./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8625eca51d55482cec5eb7c96eba9272b260b764c68904ba85421ac6b44d67c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:13:21,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:13:21,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:13:21,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:13:21,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:13:21,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:13:21,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:13:21,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:13:21,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:13:21,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:13:21,892 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:13:21,893 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:13:21,893 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:13:21,894 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:13:21,894 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:13:21,895 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:13:21,895 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:13:21,896 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:13:21,896 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:13:21,897 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:13:21,897 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:13:21,898 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:13:21,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:13:21,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:13:21,900 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:13:21,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:13:21,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:13:21,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:13:21,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:13:21,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:13:21,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:13:21,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:13:21,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:13:21,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:13:21,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:13:21,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:13:21,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:13:21,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:13:21,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:13:21,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:13:21,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:13:21,905 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:13:21,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:13:21,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:13:21,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:13:21,906 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:13:21,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:13:21,906 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_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8625eca51d55482cec5eb7c96eba9272b260b764c68904ba85421ac6b44d67c1 [2023-12-02 13:13:22,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:13:22,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:13:22,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:13:22,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:13:22,128 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:13:22,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i [2023-12-02 13:13:24,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:13:25,120 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:13:25,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i [2023-12-02 13:13:25,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data/b54dae36a/e8b058632f9e4db8b89786b79224f013/FLAGf3002a09d [2023-12-02 13:13:25,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data/b54dae36a/e8b058632f9e4db8b89786b79224f013 [2023-12-02 13:13:25,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:13:25,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:13:25,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:13:25,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:13:25,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:13:25,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9d1705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25, skipping insertion in model container [2023-12-02 13:13:25,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:13:25,336 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i[919,932] [2023-12-02 13:13:25,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:13:25,413 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:13:25,425 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i[919,932] [2023-12-02 13:13:25,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:13:25,479 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:13:25,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25 WrapperNode [2023-12-02 13:13:25,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:13:25,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:13:25,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:13:25,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:13:25,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,538 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 232 [2023-12-02 13:13:25,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:13:25,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:13:25,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:13:25,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:13:25,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:13:25,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:13:25,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:13:25,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:13:25,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (1/1) ... [2023-12-02 13:13:25,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:13:25,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:13:25,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:13:25,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:13:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:13:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:13:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:13:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:13:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:13:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:13:25,757 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:13:25,760 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:13:26,180 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:13:26,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:13:26,480 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:13:26,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:13:26 BoogieIcfgContainer [2023-12-02 13:13:26,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:13:26,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:13:26,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:13:26,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:13:26,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:13:25" (1/3) ... [2023-12-02 13:13:26,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2928f487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:13:26, skipping insertion in model container [2023-12-02 13:13:26,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:25" (2/3) ... [2023-12-02 13:13:26,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2928f487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:13:26, skipping insertion in model container [2023-12-02 13:13:26,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:13:26" (3/3) ... [2023-12-02 13:13:26,492 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i [2023-12-02 13:13:26,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:13:26,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:13:26,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:13:26,573 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@731ac4c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:13:26,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:13:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:13:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 13:13:26,591 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:13:26,591 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:13:26,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:13:26,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:13:26,598 INFO L85 PathProgramCache]: Analyzing trace with hash -382701481, now seen corresponding path program 1 times [2023-12-02 13:13:26,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:13:26,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133840318] [2023-12-02 13:13:26,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:26,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:13:26,787 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:13:26,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [870139360] [2023-12-02 13:13:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:26,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:13:26,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:13:26,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:13:26,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:13:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:13:27,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:13:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:13:27,334 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:13:27,336 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:13:27,337 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:13:27,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-02 13:13:27,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:13:27,543 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:13:27,546 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:13:27,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:13:27 BoogieIcfgContainer [2023-12-02 13:13:27,661 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:13:27,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:13:27,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:13:27,662 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:13:27,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:13:26" (3/4) ... [2023-12-02 13:13:27,665 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:13:27,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:13:27,668 INFO L158 Benchmark]: Toolchain (without parser) took 2517.26ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 94.0MB in the beginning and 115.9MB in the end (delta: -21.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-12-02 13:13:27,669 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:13:27,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.79ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 78.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:13:27,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.70ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 75.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:13:27,671 INFO L158 Benchmark]: Boogie Preprocessor took 34.80ms. Allocated memory is still 140.5MB. Free memory was 75.2MB in the beginning and 73.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:13:27,671 INFO L158 Benchmark]: RCFGBuilder took 906.71ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 73.1MB in the beginning and 111.0MB in the end (delta: -37.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-12-02 13:13:27,672 INFO L158 Benchmark]: TraceAbstraction took 1176.01ms. Allocated memory is still 186.6MB. Free memory was 110.2MB in the beginning and 117.0MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:13:27,673 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 186.6MB. Free memory was 117.0MB in the beginning and 115.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:13:27,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.79ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 78.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.70ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 75.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.80ms. Allocated memory is still 140.5MB. Free memory was 75.2MB in the beginning and 73.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 906.71ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 73.1MB in the beginning and 111.0MB in the end (delta: -37.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1176.01ms. Allocated memory is still 186.6MB. Free memory was 110.2MB in the beginning and 117.0MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 186.6MB. Free memory was 117.0MB in the beginning and 115.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 58, overapproximation of bitwiseOr at line 116, overapproximation of someBinaryArithmeticDOUBLEoperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] unsigned short int var_1_8 = 4; [L27] signed long int var_1_11 = 100; [L28] signed long int var_1_12 = 8; [L29] unsigned short int var_1_13 = 128; [L30] double var_1_14 = 64.5; [L31] signed short int var_1_15 = 4; [L32] signed long int var_1_16 = -8; [L33] double var_1_17 = 255.5; [L34] double var_1_18 = 0.6; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 999999.25; [L37] signed short int var_1_21 = -64; [L38] signed char var_1_25 = -128; [L39] signed char var_1_26 = -8; [L40] unsigned char var_1_27 = 32; [L41] unsigned char var_1_31 = 32; [L42] unsigned char var_1_32 = 25; [L43] unsigned char var_1_33 = 128; [L44] double var_1_34 = 499.6; [L45] double var_1_35 = 3.5; [L46] unsigned char var_1_36 = 200; [L47] unsigned short int var_1_37 = 2; [L48] unsigned short int var_1_41 = 36532; [L49] unsigned short int var_1_42 = 32367; [L50] signed char var_1_43 = -2; [L51] signed char var_1_44 = 1; [L52] unsigned short int last_1_var_1_8 = 4; [L53] signed short int last_1_var_1_21 = -64; [L54] signed char last_1_var_1_25 = -128; [L198] isInitial = 1 [L199] FCALL initially() [L200] COND TRUE 1 [L201] CALL updateLastVariables() [L189] last_1_var_1_8 = var_1_8 [L190] last_1_var_1_21 = var_1_21 [L191] last_1_var_1_25 = var_1_25 [L201] RET updateLastVariables() [L202] CALL updateVariables() [L136] var_1_4 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L138] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L139] var_1_6 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_7=0, var_1_8=4] [L141] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L142] var_1_11 = __VERIFIER_nondet_long() [L143] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L144] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L145] var_1_12 = __VERIFIER_nondet_long() [L146] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L147] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L148] var_1_13 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L150] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L151] var_1_15 = __VERIFIER_nondet_short() [L152] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L153] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L154] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L155] var_1_16 = __VERIFIER_nondet_long() [L156] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L157] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L158] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L159] var_1_17 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L161] var_1_18 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L163] var_1_19 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L165] var_1_20 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L167] var_1_26 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L169] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L170] var_1_31 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L172] CALL assume_abort_if_not(var_1_31 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_31 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=25, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L173] var_1_32 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L175] CALL assume_abort_if_not(var_1_32 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_32 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_35=7/2, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L176] var_1_35 = __VERIFIER_nondet_double() [L177] CALL assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=36532, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L178] var_1_41 = __VERIFIER_nondet_ushort() [L179] CALL assume_abort_if_not(var_1_41 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_41 >= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L180] CALL assume_abort_if_not(var_1_41 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_41 <= 65534) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32367, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L181] var_1_42 = __VERIFIER_nondet_ushort() [L182] CALL assume_abort_if_not(var_1_42 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_42 >= 16383) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L183] CALL assume_abort_if_not(var_1_42 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_42 <= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=1, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L184] var_1_44 = __VERIFIER_nondet_char() [L185] CALL assume_abort_if_not(var_1_44 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_44 >= -127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L186] CALL assume_abort_if_not(var_1_44 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_44 <= 126) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=129/2, var_1_15=4, var_1_16=32, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-1, var_1_27=32, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=2498/5, var_1_36=200, var_1_37=2, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=4] [L202] RET updateVariables() [L203] CALL step() [L58] EXPR last_1_var_1_8 >> var_1_15 [L58] COND FALSE !((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) [L61] var_1_21 = last_1_var_1_25 [L63] signed long int stepLocal_1 = ((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12; [L64] signed long int stepLocal_0 = last_1_var_1_21 + last_1_var_1_21; [L65] COND FALSE !((last_1_var_1_21 * last_1_var_1_21) < stepLocal_1) [L70] var_1_8 = var_1_13 [L72] COND TRUE ! (var_1_21 > var_1_8) [L73] COND TRUE \read(var_1_4) [L74] var_1_25 = var_1_26 [L77] COND FALSE !((8 / var_1_15) < (64 / var_1_16)) [L84] var_1_14 = var_1_18 [L86] COND FALSE !((- var_1_14) <= var_1_14) [L89] COND FALSE !(var_1_14 <= var_1_14) [L92] var_1_1 = var_1_4 [L95] COND TRUE var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14)))) [L96] var_1_7 = (var_1_1 && (! 1)) [L98] COND TRUE var_1_14 >= (((((((var_1_14) > (var_1_14)) ? (var_1_14) : (var_1_14))) < 0 ) ? -((((var_1_14) > (var_1_14)) ? (var_1_14) : (var_1_14))) : ((((var_1_14) > (var_1_14)) ? (var_1_14) : (var_1_14))))) [L99] COND TRUE var_1_14 <= var_1_14 [L100] var_1_27 = ((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) [L107] COND TRUE var_1_14 >= ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))) [L108] var_1_33 = ((((var_1_31) < (var_1_32)) ? (var_1_31) : (var_1_32))) [L110] var_1_34 = var_1_35 [L111] COND TRUE var_1_14 >= var_1_14 [L112] COND FALSE !(-16 > var_1_31) [L116] EXPR ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) | (-10 * var_1_21) [L116] COND FALSE !(-2 > (((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))) | (-10 * var_1_21))) [L119] COND FALSE !(((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))) [L124] var_1_37 = (var_1_41 - (var_1_42 - var_1_32)) [L127] COND FALSE !(var_1_42 > var_1_41) [L203] RET step() [L204] CALL, EXPR property() [L194] EXPR ((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25))) [L194-L195] return (((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25)))) && ((! (var_1_21 > var_1_8)) ? (var_1_4 ? (var_1_25 == ((signed char) var_1_26)) : 1) : 1) ; [L204] RET, EXPR property() [L204] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=2, var_1_15=4, var_1_16=32, var_1_18=2, var_1_1=1, var_1_21=-128, var_1_25=-1, var_1_26=-1, var_1_27=128, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=3, var_1_35=3, var_1_36=200, var_1_37=129, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=2147483647, var_1_13=0, var_1_14=2, var_1_15=4, var_1_16=32, var_1_18=2, var_1_1=1, var_1_21=-128, var_1_25=-1, var_1_26=-1, var_1_27=128, var_1_31=128, var_1_32=128, var_1_33=128, var_1_34=3, var_1_35=3, var_1_36=200, var_1_37=129, var_1_41=32768, var_1_42=32767, var_1_43=-2, var_1_44=-127, var_1_4=1, var_1_6=0, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 33, 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=60occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:13:27,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8625eca51d55482cec5eb7c96eba9272b260b764c68904ba85421ac6b44d67c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:13:29,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:13:29,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:13:29,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:13:29,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:13:29,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:13:29,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:13:29,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:13:29,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:13:29,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:13:29,770 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:13:29,770 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:13:29,771 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:13:29,772 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:13:29,772 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:13:29,773 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:13:29,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:13:29,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:13:29,775 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:13:29,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:13:29,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:13:29,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:13:29,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:13:29,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:13:29,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:13:29,778 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:13:29,779 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:13:29,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:13:29,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:13:29,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:13:29,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:13:29,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:13:29,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:13:29,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:13:29,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:13:29,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:13:29,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:13:29,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:13:29,782 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:13:29,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:13:29,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:13:29,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:13:29,783 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:13:29,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:13:29,784 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8625eca51d55482cec5eb7c96eba9272b260b764c68904ba85421ac6b44d67c1 [2023-12-02 13:13:30,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:13:30,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:13:30,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:13:30,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:13:30,078 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:13:30,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i [2023-12-02 13:13:32,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:13:33,114 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:13:33,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i [2023-12-02 13:13:33,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data/2b2db3216/345c3eae2cd34a21b8430aeccaed5e5c/FLAG31cf39c5a [2023-12-02 13:13:33,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/data/2b2db3216/345c3eae2cd34a21b8430aeccaed5e5c [2023-12-02 13:13:33,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:13:33,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:13:33,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:13:33,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:13:33,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:13:33,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa1f752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33, skipping insertion in model container [2023-12-02 13:13:33,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:13:33,348 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i[919,932] [2023-12-02 13:13:33,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:13:33,456 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:13:33,469 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i[919,932] [2023-12-02 13:13:33,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:13:33,539 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:13:33,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33 WrapperNode [2023-12-02 13:13:33,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:13:33,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:13:33,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:13:33,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:13:33,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,617 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-12-02 13:13:33,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:13:33,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:13:33,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:13:33,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:13:33,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:13:33,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:13:33,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:13:33,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:13:33,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (1/1) ... [2023-12-02 13:13:33,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:13:33,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:13:33,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:13:33,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:13:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:13:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:13:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:13:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:13:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:13:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:13:33,864 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:13:33,866 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:13:38,204 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:13:38,248 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:13:38,248 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:13:38,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:13:38 BoogieIcfgContainer [2023-12-02 13:13:38,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:13:38,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:13:38,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:13:38,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:13:38,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:13:33" (1/3) ... [2023-12-02 13:13:38,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffd0904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:13:38, skipping insertion in model container [2023-12-02 13:13:38,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:13:33" (2/3) ... [2023-12-02 13:13:38,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffd0904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:13:38, skipping insertion in model container [2023-12-02 13:13:38,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:13:38" (3/3) ... [2023-12-02 13:13:38,258 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-38.i [2023-12-02 13:13:38,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:13:38,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:13:38,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:13:38,333 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f41d9eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:13:38,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:13:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:13:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-02 13:13:38,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:13:38,358 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:13:38,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:13:38,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:13:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash 597402369, now seen corresponding path program 1 times [2023-12-02 13:13:38,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:13:38,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195217599] [2023-12-02 13:13:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:38,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:38,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:13:38,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:13:38,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:13:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:38,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:13:38,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:13:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2023-12-02 13:13:39,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:13:39,016 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:13:39,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195217599] [2023-12-02 13:13:39,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195217599] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:13:39,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:13:39,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:13:39,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305823468] [2023-12-02 13:13:39,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:13:39,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:13:39,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:13:39,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:13:39,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:13:39,059 INFO L87 Difference]: Start difference. First operand has 86 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 13:13:41,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:13:41,285 INFO L93 Difference]: Finished difference Result 169 states and 313 transitions. [2023-12-02 13:13:41,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:13:41,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 201 [2023-12-02 13:13:41,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:13:41,329 INFO L225 Difference]: With dead ends: 169 [2023-12-02 13:13:41,329 INFO L226 Difference]: Without dead ends: 84 [2023-12-02 13:13:41,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:13:41,342 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:13:41,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:13:41,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-02 13:13:41,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-02 13:13:41,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 13:13:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 134 transitions. [2023-12-02 13:13:41,388 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 134 transitions. Word has length 201 [2023-12-02 13:13:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:13:41,388 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 134 transitions. [2023-12-02 13:13:41,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 13:13:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2023-12-02 13:13:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-02 13:13:41,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:13:41,394 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:13:41,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:13:41,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:41,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:13:41,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:13:41,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2099059595, now seen corresponding path program 1 times [2023-12-02 13:13:41,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:13:41,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881582820] [2023-12-02 13:13:41,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:41,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:41,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:13:41,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:13:41,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:13:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:42,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:13:42,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:13:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:13:43,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:13:43,177 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:13:43,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881582820] [2023-12-02 13:13:43,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881582820] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:13:43,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:13:43,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:13:43,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719126181] [2023-12-02 13:13:43,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:13:43,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:13:43,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:13:43,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:13:43,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:13:43,182 INFO L87 Difference]: Start difference. First operand 84 states and 134 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:13:45,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:48,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:49,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:13:50,043 INFO L93 Difference]: Finished difference Result 384 states and 611 transitions. [2023-12-02 13:13:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:13:50,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 201 [2023-12-02 13:13:50,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:13:50,051 INFO L225 Difference]: With dead ends: 384 [2023-12-02 13:13:50,051 INFO L226 Difference]: Without dead ends: 301 [2023-12-02 13:13:50,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:13:50,054 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 233 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 70 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:13:50,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 703 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 38 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2023-12-02 13:13:50,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-12-02 13:13:50,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 178. [2023-12-02 13:13:50,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 109 states have (on average 1.4128440366972477) internal successors, (154), 109 states have internal predecessors, (154), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:13:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 286 transitions. [2023-12-02 13:13:50,111 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 286 transitions. Word has length 201 [2023-12-02 13:13:50,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:13:50,112 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 286 transitions. [2023-12-02 13:13:50,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:13:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2023-12-02 13:13:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-02 13:13:50,117 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:13:50,118 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:13:50,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:13:50,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:50,324 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:13:50,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:13:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash -102308979, now seen corresponding path program 1 times [2023-12-02 13:13:50,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:13:50,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268910699] [2023-12-02 13:13:50,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:50,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:50,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:13:50,337 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:13:50,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 13:13:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:50,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:13:50,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:13:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:13:50,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:13:50,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:13:50,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268910699] [2023-12-02 13:13:50,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268910699] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:13:50,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:13:50,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:13:50,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833539872] [2023-12-02 13:13:50,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:13:50,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:13:50,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:13:50,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:13:50,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:13:50,906 INFO L87 Difference]: Start difference. First operand 178 states and 286 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:13:52,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:53,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:56,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:59,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:59,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:13:59,175 INFO L93 Difference]: Finished difference Result 523 states and 838 transitions. [2023-12-02 13:13:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:13:59,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 203 [2023-12-02 13:13:59,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:13:59,181 INFO L225 Difference]: With dead ends: 523 [2023-12-02 13:13:59,181 INFO L226 Difference]: Without dead ends: 346 [2023-12-02 13:13:59,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:13:59,185 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 121 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:13:59,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 253 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2023-12-02 13:13:59,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-12-02 13:13:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 193. [2023-12-02 13:13:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 124 states have (on average 1.3629032258064515) internal successors, (169), 124 states have internal predecessors, (169), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:13:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 301 transitions. [2023-12-02 13:13:59,242 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 301 transitions. Word has length 203 [2023-12-02 13:13:59,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:13:59,243 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 301 transitions. [2023-12-02 13:13:59,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:13:59,243 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 301 transitions. [2023-12-02 13:13:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 13:13:59,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:13:59,247 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:13:59,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 13:13:59,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:59,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:13:59,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:13:59,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1294606945, now seen corresponding path program 1 times [2023-12-02 13:13:59,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:13:59,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669015489] [2023-12-02 13:13:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:59,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:59,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:13:59,451 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:13:59,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 13:13:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:59,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:13:59,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 51 proven. 1080 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2023-12-02 13:14:01,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:14:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 13:14:02,602 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:14:02,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669015489] [2023-12-02 13:14:02,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669015489] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:14:02,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1300340273] [2023-12-02 13:14:02,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:02,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:14:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:14:02,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:14:02,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 13:14:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:03,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:14:03,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 13:14:03,214 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:14:03,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1300340273] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:14:03,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:14:03,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 12 [2023-12-02 13:14:03,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214870130] [2023-12-02 13:14:03,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:14:03,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:14:03,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:14:03,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:14:03,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:14:03,218 INFO L87 Difference]: Start difference. First operand 193 states and 301 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:14:07,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:09,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:11,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:11,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:14:11,182 INFO L93 Difference]: Finished difference Result 550 states and 865 transitions. [2023-12-02 13:14:11,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:14:11,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-12-02 13:14:11,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:14:11,188 INFO L225 Difference]: With dead ends: 550 [2023-12-02 13:14:11,188 INFO L226 Difference]: Without dead ends: 358 [2023-12-02 13:14:11,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:14:11,190 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 120 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:14:11,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 251 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2023-12-02 13:14:11,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-12-02 13:14:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 199. [2023-12-02 13:14:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 130 states have internal predecessors, (181), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:14:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 313 transitions. [2023-12-02 13:14:11,229 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 313 transitions. Word has length 204 [2023-12-02 13:14:11,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:14:11,230 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 313 transitions. [2023-12-02 13:14:11,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 13:14:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2023-12-02 13:14:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 13:14:11,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:11,234 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:14:11,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 13:14:11,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 13:14:11,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:14:11,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:11,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:11,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1552772383, now seen corresponding path program 1 times [2023-12-02 13:14:11,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:14:11,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339190106] [2023-12-02 13:14:11,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:11,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:14:11,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:14:11,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:14:11,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 13:14:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:12,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:14:12,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 51 proven. 1080 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2023-12-02 13:14:13,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:14:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 13:14:14,568 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:14:14,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339190106] [2023-12-02 13:14:14,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339190106] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:14:14,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1853617307] [2023-12-02 13:14:14,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:14,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:14:14,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:14:14,570 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:14:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 13:14:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:15,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:14:15,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1086 proven. 45 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2023-12-02 13:14:17,084 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:14:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 13:14:17,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1853617307] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:14:17,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273610227] [2023-12-02 13:14:17,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:17,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:14:17,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:14:17,772 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:14:17,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 13:14:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:18,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:14:18,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1086 proven. 45 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2023-12-02 13:14:19,279 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:14:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 51 proven. 45 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 13:14:19,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273610227] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:14:19,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:14:19,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 17 [2023-12-02 13:14:19,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310262994] [2023-12-02 13:14:19,812 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:14:19,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 13:14:19,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:14:19,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 13:14:19,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2023-12-02 13:14:19,815 INFO L87 Difference]: Start difference. First operand 199 states and 313 transitions. Second operand has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 17 states have internal predecessors, (113), 5 states have call successors, (81), 3 states have call predecessors, (81), 7 states have return successors, (83), 5 states have call predecessors, (83), 5 states have call successors, (83) [2023-12-02 13:14:25,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:28,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:30,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:32,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:34,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:36,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:37,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:43,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:45,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:47,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:47,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:14:47,556 INFO L93 Difference]: Finished difference Result 931 states and 1418 transitions. [2023-12-02 13:14:47,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 13:14:47,569 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 17 states have internal predecessors, (113), 5 states have call successors, (81), 3 states have call predecessors, (81), 7 states have return successors, (83), 5 states have call predecessors, (83), 5 states have call successors, (83) Word has length 204 [2023-12-02 13:14:47,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:14:47,574 INFO L225 Difference]: With dead ends: 931 [2023-12-02 13:14:47,575 INFO L226 Difference]: Without dead ends: 733 [2023-12-02 13:14:47,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1248 GetRequests, 1204 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=526, Invalid=1280, Unknown=0, NotChecked=0, Total=1806 [2023-12-02 13:14:47,577 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 510 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 490 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:14:47,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 601 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 610 Invalid, 5 Unknown, 0 Unchecked, 26.1s Time] [2023-12-02 13:14:47,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2023-12-02 13:14:47,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 213. [2023-12-02 13:14:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 142 states have (on average 1.3591549295774648) internal successors, (193), 142 states have internal predecessors, (193), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:14:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 325 transitions. [2023-12-02 13:14:47,632 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 325 transitions. Word has length 204 [2023-12-02 13:14:47,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:14:47,632 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 325 transitions. [2023-12-02 13:14:47,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 17 states have internal predecessors, (113), 5 states have call successors, (81), 3 states have call predecessors, (81), 7 states have return successors, (83), 5 states have call predecessors, (83), 5 states have call successors, (83) [2023-12-02 13:14:47,633 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 325 transitions. [2023-12-02 13:14:47,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 13:14:47,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:47,635 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:14:47,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 13:14:47,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-02 13:14:48,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 13:14:48,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:14:48,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:48,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:48,240 INFO L85 PathProgramCache]: Analyzing trace with hash 912040363, now seen corresponding path program 1 times [2023-12-02 13:14:48,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:14:48,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428132273] [2023-12-02 13:14:48,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:48,241 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:14:48,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:14:48,241 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:14:48,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 13:14:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:48,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 13:14:48,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:15:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1106 proven. 90 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2023-12-02 13:15:17,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:15:45,356 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:15:45,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428132273] [2023-12-02 13:15:45,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428132273] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:15:45,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [364491974] [2023-12-02 13:15:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:45,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:15:45,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:15:45,357 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:15:45,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 13:15:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:15:46,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 13:15:46,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:15:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1106 proven. 90 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2023-12-02 13:15:56,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:16:08,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [364491974] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:16:08,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537453723] [2023-12-02 13:16:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:08,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:16:08,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:16:08,921 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:16:08,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 13:16:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:13,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 13:16:13,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:16:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1106 proven. 90 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2023-12-02 13:16:23,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:16:38,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537453723] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:16:38,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:16:38,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2023-12-02 13:16:38,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952015085] [2023-12-02 13:16:38,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:16:38,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 13:16:38,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:16:38,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 13:16:38,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=114, Unknown=1, NotChecked=0, Total=156 [2023-12-02 13:16:38,120 INFO L87 Difference]: Start difference. First operand 213 states and 325 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 13:16:49,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:16:51,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:16:52,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:16:57,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:16:58,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:00,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:01,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:03,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:04,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:06,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:08,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:09,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:11,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:13,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:15,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:17,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:18,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:20,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:21,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:34,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:46,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:48,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:50,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:52,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:54,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:55,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:17:59,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:02,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:03,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:05,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:06,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:07,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:09,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:10,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:12,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:14,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:15,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:17,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:20,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:24,142 WARN L539 Checker$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 [0] [2023-12-02 13:18:26,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:28,559 WARN L539 Checker$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 [0] [2023-12-02 13:18:31,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:34,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:35,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:36,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:38,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:41,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:43,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:45,720 WARN L539 Checker$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 [0] [2023-12-02 13:18:48,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:50,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:53,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:55,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:56,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:18:58,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:00,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:01,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:03,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:05,123 WARN L539 Checker$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 [0] [2023-12-02 13:19:08,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:10,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:11,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:19:13,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:15,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:17,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:19,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:21,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:23,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:27,024 WARN L539 Checker$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 [0] [2023-12-02 13:19:30,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:32,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:34,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:37,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:39,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:41,239 WARN L539 Checker$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 [0] [2023-12-02 13:19:42,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:45,736 WARN L539 Checker$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 [0] [2023-12-02 13:19:47,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:49,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:51,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:52,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:54,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:56,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:19:58,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:00,463 WARN L539 Checker$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 [0] [2023-12-02 13:20:02,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:04,493 WARN L539 Checker$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 [0] [2023-12-02 13:20:06,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:08,519 WARN L539 Checker$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 [0] [2023-12-02 13:20:10,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:11,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:13,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:15,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:16,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:20,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:22,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:24,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:28,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:32,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:34,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:36,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:37,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:39,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:41,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:43,920 WARN L539 Checker$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 [0] [2023-12-02 13:20:45,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:47,339 WARN L539 Checker$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 [0] [2023-12-02 13:20:49,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:50,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:52,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:54,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:56,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:20:58,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:00,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:02,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:03,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:05,946 WARN L539 Checker$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 [0] [2023-12-02 13:21:07,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:10,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:11,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:13,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:15,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:16,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:18,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:20,215 WARN L539 Checker$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 [0] [2023-12-02 13:21:22,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:24,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:26,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:28,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:30,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:32,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:34,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:21:34,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:21:34,313 INFO L93 Difference]: Finished difference Result 640 states and 960 transitions. [2023-12-02 13:21:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 13:21:34,315 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 205 [2023-12-02 13:21:34,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:21:34,318 INFO L225 Difference]: With dead ends: 640 [2023-12-02 13:21:34,318 INFO L226 Difference]: Without dead ends: 428 [2023-12-02 13:21:34,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 945 GetRequests, 918 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 74.9s TimeCoverageRelationStatistics Valid=219, Invalid=536, Unknown=1, NotChecked=0, Total=756 [2023-12-02 13:21:34,320 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 154 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 140 mSolverCounterUnsat, 53 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 253.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 53 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 254.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:21:34,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 348 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 370 Invalid, 53 Unknown, 0 Unchecked, 254.9s Time] [2023-12-02 13:21:34,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-12-02 13:21:34,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 227. [2023-12-02 13:21:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 154 states have (on average 1.3506493506493507) internal successors, (208), 154 states have internal predecessors, (208), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 13:21:34,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 340 transitions. [2023-12-02 13:21:34,358 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 340 transitions. Word has length 205 [2023-12-02 13:21:34,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:21:34,359 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 340 transitions. [2023-12-02 13:21:34,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-02 13:21:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 340 transitions. [2023-12-02 13:21:34,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 13:21:34,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:21:34,362 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:21:34,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 13:21:34,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-02 13:21:34,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-02 13:21:34,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:21:34,963 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:21:34,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:21:34,963 INFO L85 PathProgramCache]: Analyzing trace with hash -99076887, now seen corresponding path program 1 times [2023-12-02 13:21:34,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:21:34,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341642415] [2023-12-02 13:21:34,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:21:34,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:21:34,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:21:34,965 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:21:34,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ece2ef-76c5-4034-851a-2ab7381f6eaf/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-02 13:21:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:21:35,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 13:21:35,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:22:09,508 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 257.0 4.0))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)))) (or (exists ((~var_1_19~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_19~0 .cse0) (exists ((~var_1_18~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_18~0 .cse0) (fp.leq ~var_1_18~0 .cse1) (exists ((~var_1_20~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_20~0 .cse2) (= (fp.sub roundNearestTiesToEven ~var_1_18~0 (fp.add roundNearestTiesToEven .cse3 ~var_1_20~0)) c_~var_1_14~0) (not (fp.gt ~var_1_19~0 ~var_1_20~0)))))) (fp.leq ~var_1_19~0 .cse2))) (exists ((~var_1_19~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_19~0 .cse0) (exists ((~var_1_18~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_18~0 .cse0) (fp.leq ~var_1_18~0 .cse1) (= c_~var_1_14~0 (fp.sub roundNearestTiesToEven ~var_1_18~0 (fp.add roundNearestTiesToEven .cse3 ~var_1_19~0))))) (exists ((~var_1_20~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_20~0 .cse0) (fp.gt ~var_1_19~0 ~var_1_20~0))) (fp.leq ~var_1_19~0 .cse2))))) is different from false [2023-12-02 13:22:11,523 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 257.0 4.0))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)))) (or (exists ((~var_1_19~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_19~0 .cse0) (exists ((~var_1_18~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_18~0 .cse0) (fp.leq ~var_1_18~0 .cse1) (exists ((~var_1_20~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_20~0 .cse2) (= (fp.sub roundNearestTiesToEven ~var_1_18~0 (fp.add roundNearestTiesToEven .cse3 ~var_1_20~0)) c_~var_1_14~0) (not (fp.gt ~var_1_19~0 ~var_1_20~0)))))) (fp.leq ~var_1_19~0 .cse2))) (exists ((~var_1_19~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_19~0 .cse0) (exists ((~var_1_18~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_18~0 .cse0) (fp.leq ~var_1_18~0 .cse1) (= c_~var_1_14~0 (fp.sub roundNearestTiesToEven ~var_1_18~0 (fp.add roundNearestTiesToEven .cse3 ~var_1_19~0))))) (exists ((~var_1_20~0 (_ FloatingPoint 11 53))) (and (fp.geq ~var_1_20~0 .cse0) (fp.gt ~var_1_19~0 ~var_1_20~0))) (fp.leq ~var_1_19~0 .cse2))))) is different from true [2023-12-02 13:23:21,171 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_20~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 11 53)) (~var_1_19~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_18~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (let ((.cse0 (fp.sub roundNearestTiesToEven ~var_1_18~0 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 257.0 4.0)) ~var_1_19~0)))) (fp.geq .cse0 .cse0))) (fp.geq ~var_1_20~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.gt ~var_1_19~0 ~var_1_20~0) (fp.leq ~var_1_19~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0))))) is different from false [2023-12-02 13:23:41,774 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_20~0 (_ FloatingPoint 11 53)) (~var_1_18~0 (_ FloatingPoint 11 53)) (~var_1_19~0 (_ FloatingPoint 11 53))) (and (fp.leq ~var_1_18~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (not (let ((.cse0 (fp.sub roundNearestTiesToEven ~var_1_18~0 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 257.0 4.0)) ~var_1_19~0)))) (fp.geq .cse0 .cse0))) (fp.geq ~var_1_20~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.gt ~var_1_19~0 ~var_1_20~0))) is different from false [2023-12-02 13:23:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1122 proven. 117 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-12-02 13:23:45,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:23:56,686 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 257.0 4.0))) (.cse2 (fp.gt c_~var_1_19~0 c_~var_1_20~0))) (and (or (let ((.cse0 (fp.sub c_currentRoundingMode c_~var_1_18~0 (fp.add c_currentRoundingMode .cse1 c_~var_1_19~0)))) (fp.geq .cse0 .cse0)) (not .cse2)) (or (let ((.cse3 (fp.sub c_currentRoundingMode c_~var_1_18~0 (fp.add c_currentRoundingMode .cse1 c_~var_1_20~0)))) (fp.geq .cse3 .cse3)) .cse2))) is different from false [2023-12-02 13:23:58,721 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 257.0 4.0))) (.cse2 (fp.gt c_~var_1_19~0 c_~var_1_20~0))) (and (or (let ((.cse0 (fp.sub c_currentRoundingMode c_~var_1_18~0 (fp.add c_currentRoundingMode .cse1 c_~var_1_19~0)))) (fp.geq .cse0 .cse0)) (not .cse2)) (or (let ((.cse3 (fp.sub c_currentRoundingMode c_~var_1_18~0 (fp.add c_currentRoundingMode .cse1 c_~var_1_20~0)))) (fp.geq .cse3 .cse3)) .cse2))) is different from true