./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX --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 e4b5218f5d3a27c5e2ae7270ca0ace608ea9a040af0489e2a1c372a6dbdff903 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:03,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:03,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:11:03,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:03,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:03,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:03,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:03,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:03,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:03,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:03,601 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:03,602 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:03,603 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:03,605 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:11:03,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:03,606 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:03,606 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:11:03,607 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:11:03,607 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:03,608 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:11:03,608 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:11:03,609 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:11:03,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:03,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:11:03,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:03,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:11:03,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:03,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:03,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:11:03,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:03,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:11:03,615 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:03,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:11:03,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:03,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:03,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:03,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:03,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:03,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:03,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:11:03,617 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:11:03,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:11:03,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:11:03,618 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:03,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:03,619 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b5218f5d3a27c5e2ae7270ca0ace608ea9a040af0489e2a1c372a6dbdff903 [2023-11-12 00:11:03,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:03,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:03,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:03,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:03,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:03,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i [2023-11-12 00:11:07,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:07,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:07,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i [2023-11-12 00:11:07,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data/25d2705b5/480cc6951e8a44b2910c031172f9470c/FLAG06b778551 [2023-11-12 00:11:07,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data/25d2705b5/480cc6951e8a44b2910c031172f9470c [2023-11-12 00:11:07,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:07,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:07,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:07,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:07,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:07,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bce455d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07, skipping insertion in model container [2023-11-12 00:11:07,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:07,580 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i[915,928] [2023-11-12 00:11:07,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:07,674 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:07,687 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i[915,928] [2023-11-12 00:11:07,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:07,783 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:07,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07 WrapperNode [2023-11-12 00:11:07,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:07,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:07,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:07,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:07,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,866 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-12 00:11:07,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:07,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:07,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:07,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:07,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:07,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:07,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:07,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:07,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (1/1) ... [2023-11-12 00:11:07,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:07,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:07,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:07,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:11:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:11:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:11:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:08,121 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:08,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:08,645 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:08,940 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:08,940 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:11:08,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:08 BoogieIcfgContainer [2023-11-12 00:11:08,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:08,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:08,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:08,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:08,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:07" (1/3) ... [2023-11-12 00:11:08,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecef201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:08, skipping insertion in model container [2023-11-12 00:11:08,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:07" (2/3) ... [2023-11-12 00:11:08,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecef201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:08, skipping insertion in model container [2023-11-12 00:11:08,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:08" (3/3) ... [2023-11-12 00:11:08,952 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-63.i [2023-11-12 00:11:08,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:08,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:09,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:09,062 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;@796e1d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:09,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:09,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:11:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-12 00:11:09,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:09,084 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:09,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:09,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1764494117, now seen corresponding path program 1 times [2023-11-12 00:11:09,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:11:09,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992120199] [2023-11-12 00:11:09,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:09,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:11:09,344 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:11:09,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1689274048] [2023-11-12 00:11:09,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:09,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:11:09,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:09,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:11:09,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:11:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:11:09,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:11:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:11:09,923 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:11:09,926 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:11:09,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:11:09,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:10,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:11:10,140 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:11:10,143 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:11:10,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:11:10 BoogieIcfgContainer [2023-11-12 00:11:10,280 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:11:10,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:11:10,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:11:10,281 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:11:10,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:08" (3/4) ... [2023-11-12 00:11:10,284 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:11:10,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:11:10,286 INFO L158 Benchmark]: Toolchain (without parser) took 2904.54ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 62.9MB in the end (delta: 62.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-11-12 00:11:10,287 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:11:10,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.73ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 110.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:11:10,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.73ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 106.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:11:10,295 INFO L158 Benchmark]: Boogie Preprocessor took 45.39ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:11:10,297 INFO L158 Benchmark]: RCFGBuilder took 1030.03ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 115.3MB in the end (delta: -10.7MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-11-12 00:11:10,299 INFO L158 Benchmark]: TraceAbstraction took 1334.81ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 63.8MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-12 00:11:10,301 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 157.3MB. Free memory was 63.8MB in the beginning and 62.9MB in the end (delta: 869.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:11:10,304 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.73ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 110.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.73ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 106.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.39ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.03ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 115.3MB in the end (delta: -10.7MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1334.81ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 63.8MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 157.3MB. Free memory was 63.8MB in the beginning and 62.9MB in the end (delta: 869.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of shiftRight at line 77, overapproximation of bitwiseOr at line 83, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] unsigned char var_1_33 = 8; [L44] float var_1_34 = 127.5; [L45] float var_1_35 = 2.25; [L46] unsigned char var_1_36 = 25; [L47] unsigned char var_1_37 = 1; [L48] signed short int var_1_38 = 500; [L49] signed long int var_1_39 = 4; [L50] signed long int last_1_var_1_1 = 64; [L51] unsigned char last_1_var_1_13 = 64; [L156] isInitial = 1 [L157] FCALL initially() [L158] COND TRUE 1 [L159] CALL updateLastVariables() [L148] last_1_var_1_1 = var_1_1 [L149] last_1_var_1_13 = var_1_13 [L159] RET updateLastVariables() [L160] CALL updateVariables() [L104] var_1_7 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4] [L106] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L107] var_1_15 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L109] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L110] var_1_16 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L112] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L113] var_1_18 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] 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_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L116] 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_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L119] var_1_21 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L121] var_1_22 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L123] var_1_23 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L125] var_1_27 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L127] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L128] var_1_28 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L130] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=255/2, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L131] var_1_34 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L133] CALL assume_abort_if_not(var_1_34 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_34 != 0.0F) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9/4, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L134] var_1_35 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=25, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L136] var_1_36 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L138] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=500, var_1_39=4, var_1_7=0] [L139] var_1_38 = __VERIFIER_nondet_short() [L140] CALL assume_abort_if_not(var_1_38 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_38 >= -32768) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=4, var_1_7=0] [L141] CALL assume_abort_if_not(var_1_38 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_38 <= 32767) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=4, var_1_7=0] [L142] CALL assume_abort_if_not(var_1_38 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=4, var_1_7=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_38 != 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=4, var_1_7=0] [L143] var_1_39 = __VERIFIER_nondet_long() [L144] CALL assume_abort_if_not(var_1_39 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=-1, var_1_7=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_39 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=-1, var_1_7=0] [L145] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=-1, var_1_7=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=15/2, var_1_18=2, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=10, var_1_26=16, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=-1, var_1_7=0] [L160] RET updateVariables() [L161] CALL step() [L55] COND FALSE !((25.3f / var_1_34) > (- var_1_35)) [L58] COND FALSE !(((var_1_33 - var_1_36) * (256 / var_1_38)) <= var_1_39) [L61] signed long int stepLocal_1 = last_1_var_1_1; [L62] COND FALSE !(stepLocal_1 != last_1_var_1_13) [L65] var_1_31 = var_1_13 [L66] COND FALSE !(\read(var_1_7)) [L69] var_1_17 = var_1_22 [L71] COND FALSE !(\read(var_1_7)) [L74] var_1_32 = var_1_16 [L75] var_1_30 = var_1_32 [L76] unsigned char stepLocal_0 = var_1_13; [L77] EXPR var_1_32 >> var_1_32 [L77] COND FALSE !((var_1_32 >> var_1_32) < stepLocal_0) [L80] COND TRUE var_1_11 >= var_1_30 [L81] var_1_26 = (var_1_27 + var_1_28) [L83] EXPR (var_1_31 + 4u) | var_1_30 [L83] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L84] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) [L92] unsigned short int stepLocal_2 = var_1_30; [L93] COND TRUE ! var_1_7 [L94] var_1_24 = (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))) [L161] RET step() [L162] CALL, EXPR property() [L152] EXPR (var_1_31 + 4u) | var_1_30 [L152] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L152] EXPR var_1_32 >> var_1_32 [L152] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L152-L153] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L162] RET, EXPR property() [L162] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=6, var_1_18=2, var_1_19=3, var_1_1=69, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=431, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=69, var_1_31=64, var_1_32=69, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=-1, var_1_7=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=69, var_1_17=6, var_1_18=2, var_1_19=3, var_1_1=69, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=431, var_1_26=0, var_1_27=-63, var_1_28=63, var_1_29=31897/500, var_1_30=69, var_1_31=64, var_1_32=69, var_1_33=8, var_1_34=8, var_1_35=9, var_1_36=8, var_1_37=1, var_1_38=256, var_1_39=-1, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 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 [2023-11-12 00:11:10,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX --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 e4b5218f5d3a27c5e2ae7270ca0ace608ea9a040af0489e2a1c372a6dbdff903 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:13,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:13,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:11:13,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:13,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:13,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:13,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:13,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:13,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:13,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:13,262 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:13,262 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:13,263 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:13,265 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:13,265 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:13,266 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:13,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:13,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:11:13,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:13,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:13,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:13,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:11:13,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:13,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:11:13,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:11:13,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:11:13,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:11:13,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:13,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:11:13,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:13,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:13,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:11:13,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:13,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:13,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:13,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:13,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:11:13,277 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:11:13,277 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:11:13,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:11:13,278 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:13,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:13,279 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b5218f5d3a27c5e2ae7270ca0ace608ea9a040af0489e2a1c372a6dbdff903 [2023-11-12 00:11:13,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:13,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:13,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:13,695 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:13,696 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:13,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i [2023-11-12 00:11:16,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:17,040 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:17,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i [2023-11-12 00:11:17,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data/e668afea6/2cf812da66494aeea31318fd87566ec6/FLAGe33e6ba7c [2023-11-12 00:11:17,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/data/e668afea6/2cf812da66494aeea31318fd87566ec6 [2023-11-12 00:11:17,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:17,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:17,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:17,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:17,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:17,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20526130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17, skipping insertion in model container [2023-11-12 00:11:17,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:17,317 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i[915,928] [2023-11-12 00:11:17,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:17,459 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:17,478 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_ee3b0148-4c4c-434f-8c96-d1bc6075c372/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-63.i[915,928] [2023-11-12 00:11:17,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:17,569 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:17,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17 WrapperNode [2023-11-12 00:11:17,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:17,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:17,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:17,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:17,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,657 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-12 00:11:17,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:17,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:17,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:17,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:17,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:17,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:17,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:17,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:17,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (1/1) ... [2023-11-12 00:11:17,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:17,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:17,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:17,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:11:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:11:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:11:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:17,966 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:17,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:25,154 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:25,164 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:25,164 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:11:25,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:25 BoogieIcfgContainer [2023-11-12 00:11:25,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:25,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:25,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:25,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:25,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:17" (1/3) ... [2023-11-12 00:11:25,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f82ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:25, skipping insertion in model container [2023-11-12 00:11:25,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:17" (2/3) ... [2023-11-12 00:11:25,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f82ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:25, skipping insertion in model container [2023-11-12 00:11:25,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:25" (3/3) ... [2023-11-12 00:11:25,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-63.i [2023-11-12 00:11:25,193 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:25,194 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:25,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:25,259 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;@67f24ee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:25,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:11:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:11:25,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:25,283 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:25,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:25,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:25,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1352480228, now seen corresponding path program 1 times [2023-11-12 00:11:25,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:25,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736379461] [2023-11-12 00:11:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:25,306 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 [2023-11-12 00:11:25,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:25,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:25,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:26,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:11:26,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-12 00:11:26,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:26,089 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736379461] [2023-11-12 00:11:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736379461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:26,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:26,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:11:26,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305398972] [2023-11-12 00:11:26,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:26,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:11:26,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:26,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:11:26,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:26,131 INFO L87 Difference]: Start difference. First operand has 76 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:11:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:26,168 INFO L93 Difference]: Finished difference Result 145 states and 250 transitions. [2023-11-12 00:11:26,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:11:26,171 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2023-11-12 00:11:26,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:26,183 INFO L225 Difference]: With dead ends: 145 [2023-11-12 00:11:26,183 INFO L226 Difference]: Without dead ends: 72 [2023-11-12 00:11:26,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:26,194 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:26,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:11:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-12 00:11:26,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-12 00:11:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 44 states have internal predecessors, (56), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:11:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 108 transitions. [2023-11-12 00:11:26,292 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 108 transitions. Word has length 168 [2023-11-12 00:11:26,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:26,293 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 108 transitions. [2023-11-12 00:11:26,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:11:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2023-11-12 00:11:26,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:11:26,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:26,306 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:26,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:26,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:26,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:26,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:26,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1637202800, now seen corresponding path program 1 times [2023-11-12 00:11:26,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:26,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785003554] [2023-11-12 00:11:26,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:26,523 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 [2023-11-12 00:11:26,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:26,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:26,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:27,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:11:27,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:11:29,145 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:29,145 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:29,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785003554] [2023-11-12 00:11:29,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785003554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:29,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:29,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:11:29,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318223598] [2023-11-12 00:11:29,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:29,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:11:29,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:29,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:11:29,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:11:29,151 INFO L87 Difference]: Start difference. First operand 72 states and 108 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:11:32,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:34,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:36,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:38,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:40,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:42,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:42,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:42,258 INFO L93 Difference]: Finished difference Result 211 states and 319 transitions. [2023-11-12 00:11:42,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:11:42,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-12 00:11:42,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:42,294 INFO L225 Difference]: With dead ends: 211 [2023-11-12 00:11:42,294 INFO L226 Difference]: Without dead ends: 142 [2023-11-12 00:11:42,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:11:42,297 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 89 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 53 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:42,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 347 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 76 Invalid, 6 Unknown, 0 Unchecked, 13.0s Time] [2023-11-12 00:11:42,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-12 00:11:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 124. [2023-11-12 00:11:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 69 states have internal predecessors, (83), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:11:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 187 transitions. [2023-11-12 00:11:42,346 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 187 transitions. Word has length 168 [2023-11-12 00:11:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:42,348 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 187 transitions. [2023-11-12 00:11:42,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:11:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 187 transitions. [2023-11-12 00:11:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:11:42,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:42,364 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:42,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:42,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:42,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:42,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:42,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1646647246, now seen corresponding path program 1 times [2023-11-12 00:11:42,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:42,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686360806] [2023-11-12 00:11:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:42,582 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 [2023-11-12 00:11:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:42,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:42,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:43,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:11:43,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:11:43,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:43,458 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:43,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686360806] [2023-11-12 00:11:43,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686360806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:43,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:43,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:11:43,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744848104] [2023-11-12 00:11:43,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:43,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:11:43,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:43,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:11:43,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:11:43,461 INFO L87 Difference]: Start difference. First operand 124 states and 187 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:11:46,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:47,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:47,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:47,798 INFO L93 Difference]: Finished difference Result 209 states and 314 transitions. [2023-11-12 00:11:47,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:11:47,799 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-12 00:11:47,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:47,802 INFO L225 Difference]: With dead ends: 209 [2023-11-12 00:11:47,803 INFO L226 Difference]: Without dead ends: 140 [2023-11-12 00:11:47,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:11:47,806 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 14 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:47,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 205 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-12 00:11:47,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-12 00:11:47,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 132. [2023-11-12 00:11:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 77 states have internal predecessors, (94), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:11:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 198 transitions. [2023-11-12 00:11:47,835 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 198 transitions. Word has length 168 [2023-11-12 00:11:47,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:47,836 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 198 transitions. [2023-11-12 00:11:47,836 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:11:47,837 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 198 transitions. [2023-11-12 00:11:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:11:47,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:47,839 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:47,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:48,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:48,053 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:48,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:48,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1689090034, now seen corresponding path program 1 times [2023-11-12 00:11:48,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:48,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893784522] [2023-11-12 00:11:48,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:48,055 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 [2023-11-12 00:11:48,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:48,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:48,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:48,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:11:48,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:11:49,601 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:49,602 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:49,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893784522] [2023-11-12 00:11:49,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893784522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:49,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:49,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:11:49,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071136274] [2023-11-12 00:11:49,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:49,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:11:49,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:49,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:11:49,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:11:49,606 INFO L87 Difference]: Start difference. First operand 132 states and 198 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:11:51,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:53,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:55,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:57,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:57,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:57,911 INFO L93 Difference]: Finished difference Result 286 states and 430 transitions. [2023-11-12 00:11:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:11:57,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-12 00:11:57,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:57,918 INFO L225 Difference]: With dead ends: 286 [2023-11-12 00:11:57,920 INFO L226 Difference]: Without dead ends: 209 [2023-11-12 00:11:57,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:11:57,927 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 35 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:57,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 301 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2023-11-12 00:11:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-12 00:11:57,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2023-11-12 00:11:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 125 states have (on average 1.24) internal successors, (155), 125 states have internal predecessors, (155), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-12 00:11:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 311 transitions. [2023-11-12 00:11:57,985 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 311 transitions. Word has length 168 [2023-11-12 00:11:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:57,986 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 311 transitions. [2023-11-12 00:11:57,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:11:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 311 transitions. [2023-11-12 00:11:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-12 00:11:57,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:57,989 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:58,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:58,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:58,214 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:58,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:58,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1925818892, now seen corresponding path program 1 times [2023-11-12 00:11:58,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:58,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464381598] [2023-11-12 00:11:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:58,216 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 [2023-11-12 00:11:58,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:58,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:58,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b0148-4c4c-434f-8c96-d1bc6075c372/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:11:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:59,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 00:11:59,080 INFO L285 TraceCheckSpWp]: Computing forward predicates...