./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 0fd6af94f023bb5f79f2f1fda166cb63b73d71c8f30823c00ad4ea17c46c9784 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:20,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:20,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:01:20,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:20,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:20,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:20,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:20,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:20,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:20,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:20,407 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:20,408 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:20,409 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:20,411 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:20,412 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:20,413 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:20,413 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:20,414 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:20,414 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:20,415 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:20,416 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:20,417 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:20,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:20,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:20,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:01:20,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:20,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:01:20,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:20,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:20,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:20,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:20,425 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:01:20,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:20,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:20,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:20,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:20,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:20,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:20,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:20,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:20,429 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:20,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:20,430 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:20,430 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:20,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:20,431 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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fd6af94f023bb5f79f2f1fda166cb63b73d71c8f30823c00ad4ea17c46c9784 [2023-11-12 01:01:20,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:20,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:20,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:20,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:20,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:20,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i [2023-11-12 01:01:24,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:24,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:24,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i [2023-11-12 01:01:24,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data/12cbcf5ec/71a7475e0777447880d6d9778ca41426/FLAGbfd55935d [2023-11-12 01:01:24,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data/12cbcf5ec/71a7475e0777447880d6d9778ca41426 [2023-11-12 01:01:24,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:24,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:24,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:24,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:24,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:24,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:24" (1/1) ... [2023-11-12 01:01:24,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5230ad17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:24, skipping insertion in model container [2023-11-12 01:01:24,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:24" (1/1) ... [2023-11-12 01:01:24,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:24,899 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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i[919,932] [2023-11-12 01:01:25,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:25,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:25,051 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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i[919,932] [2023-11-12 01:01:25,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:25,187 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:25,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25 WrapperNode [2023-11-12 01:01:25,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:25,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:25,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:25,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:25,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,287 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-12 01:01:25,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:25,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:25,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:25,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:25,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:25,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:25,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:25,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:25,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (1/1) ... [2023-11-12 01:01:25,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:25,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:25,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:25,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:01:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:01:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:25,614 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:25,617 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:26,279 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:26,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:26,762 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:01:26,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:26 BoogieIcfgContainer [2023-11-12 01:01:26,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:26,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:26,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:26,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:26,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:24" (1/3) ... [2023-11-12 01:01:26,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51737da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:26, skipping insertion in model container [2023-11-12 01:01:26,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:25" (2/3) ... [2023-11-12 01:01:26,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51737da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:26, skipping insertion in model container [2023-11-12 01:01:26,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:26" (3/3) ... [2023-11-12 01:01:26,780 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i [2023-11-12 01:01:26,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:26,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:01:26,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:26,878 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;@50b9fcac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:26,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:01:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 01:01:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-12 01:01:26,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:26,900 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:01:26,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:01:26,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:26,909 INFO L85 PathProgramCache]: Analyzing trace with hash 604266725, now seen corresponding path program 1 times [2023-11-12 01:01:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:26,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281998720] [2023-11-12 01:01:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:26,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:27,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 01:01:27,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [573149681] [2023-11-12 01:01:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:27,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:01:27,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:27,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:01:27,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 01:01:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:01:27,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 01:01:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:01:28,060 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 01:01:28,063 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 01:01:28,064 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:01:28,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 01:01:28,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:01:28,279 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:01:28,284 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:01:28,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:01:28 BoogieIcfgContainer [2023-11-12 01:01:28,477 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:01:28,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:01:28,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:01:28,478 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:01:28,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:26" (3/4) ... [2023-11-12 01:01:28,483 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 01:01:28,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:01:28,486 INFO L158 Benchmark]: Toolchain (without parser) took 3859.89ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 123.2MB in the beginning and 158.8MB in the end (delta: -35.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-12 01:01:28,487 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:01:28,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.81ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 107.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 01:01:28,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.69ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 102.7MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:01:28,495 INFO L158 Benchmark]: Boogie Preprocessor took 68.66ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 100.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:01:28,497 INFO L158 Benchmark]: RCFGBuilder took 1406.59ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 100.1MB in the beginning and 131.5MB in the end (delta: -31.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-12 01:01:28,499 INFO L158 Benchmark]: TraceAbstraction took 1708.82ms. Allocated memory is still 199.2MB. Free memory was 130.5MB in the beginning and 159.8MB in the end (delta: -29.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-11-12 01:01:28,499 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 199.2MB. Free memory was 159.8MB in the beginning and 158.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:01:28,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.81ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 107.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.69ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 102.7MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.66ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 100.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1406.59ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 100.1MB in the beginning and 131.5MB in the end (delta: -31.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1708.82ms. Allocated memory is still 199.2MB. Free memory was 130.5MB in the beginning and 159.8MB in the end (delta: -29.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 199.2MB. Free memory was 159.8MB in the beginning and 158.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someUnaryDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryArithmeticFLOAToperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 1.4; [L26] float var_1_7 = 9.25; [L27] float var_1_8 = 1.2; [L28] float var_1_9 = 0.0; [L29] float var_1_10 = 3.1; [L30] float var_1_11 = 500.5; [L31] signed long int var_1_12 = 0; [L32] unsigned char var_1_13 = 10; [L33] unsigned char var_1_14 = 8; [L34] unsigned char var_1_17 = 64; [L35] unsigned long int var_1_18 = 25; [L36] signed char var_1_19 = -100; [L37] signed short int var_1_20 = -4; [L38] unsigned short int var_1_21 = 200; [L39] unsigned short int var_1_22 = 54878; [L40] double var_1_23 = 9999.8; [L41] float var_1_24 = -0.25; [L42] signed char var_1_25 = 50; [L43] signed char var_1_26 = 100; [L44] unsigned char var_1_36 = 32; [L45] unsigned char var_1_39 = 64; [L46] unsigned char var_1_40 = 16; [L47] unsigned short int var_1_42 = 8; [L48] signed char var_1_43 = -16; [L49] unsigned char var_1_46 = 128; [L50] unsigned short int var_1_47 = 64; [L51] signed char var_1_49 = 0; [L52] signed char last_1_var_1_19 = -100; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L184] last_1_var_1_19 = var_1_19 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L143] var_1_2 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L146] var_1_3 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L149] var_1_7 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=6/5, var_1_9=0] [L151] var_1_8 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=0] [L153] var_1_9 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L155] var_1_10 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L157] var_1_11 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L159] var_1_13 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_13 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_13 <= 64) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L162] var_1_14 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L164] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L165] var_1_17 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L167] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L168] CALL assume_abort_if_not(var_1_17 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 != 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L169] var_1_20 = __VERIFIER_nondet_short() [L170] CALL assume_abort_if_not(var_1_20 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_20 >= -32768) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L171] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L172] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L173] var_1_22 = __VERIFIER_nondet_ushort() [L174] CALL assume_abort_if_not(var_1_22 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_22 >= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L175] CALL assume_abort_if_not(var_1_22 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_22 <= 65534) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L176] var_1_39 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_39 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_39 >= 63) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L178] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L179] var_1_40 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=61, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=61, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L181] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=61, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=0, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=120, var_1_3=0, var_1_40=61, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=2, var_1_8=3, var_1_9=4] [L195] RET updateVariables() [L196] CALL step() [L56] COND FALSE !(\read(var_1_2)) [L59] COND FALSE !(var_1_23 < 256.5) [L70] signed long int stepLocal_4 = 5; [L71] COND FALSE !(stepLocal_4 <= var_1_17) [L74] COND FALSE !(\read(var_1_1)) [L82] var_1_23 = var_1_10 [L83] var_1_24 = 31.75f [L84] COND FALSE !((var_1_10 - var_1_9) > var_1_10) [L87] var_1_36 = var_1_40 [L89] COND FALSE !(\read(var_1_1)) [L92] var_1_46 = var_1_40 [L93] var_1_25 = -5 [L94] unsigned char stepLocal_0 = var_1_1; [L95] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L96] var_1_4 = ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) [L100] signed long int stepLocal_3 = (200 - var_1_13) - var_1_14; [L101] unsigned char stepLocal_2 = var_1_13; [L102] unsigned char stepLocal_1 = var_1_13; [L103] COND TRUE stepLocal_3 != var_1_25 [L104] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))) [L116] COND FALSE !((((((var_1_23) > (var_1_10)) ? (var_1_23) : (var_1_10))) / var_1_9) > ((((var_1_8) < (var_1_10)) ? (var_1_8) : (var_1_10)))) [L125] var_1_49 = var_1_13 [L126] COND FALSE !((- (var_1_13 / var_1_17)) > var_1_25) [L129] COND TRUE var_1_20 < ((((var_1_40) > (var_1_17)) ? (var_1_40) : (var_1_17))) [L130] COND TRUE var_1_2 || (128.5 <= var_1_11) [L131] var_1_47 = (var_1_22 - var_1_39) [L136] COND FALSE !((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) [L139] var_1_19 = var_1_17 [L196] RET step() [L197] CALL, EXPR property() [L187-L188] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) var_1_3)) : 1) && (((var_1_23 <= var_1_23) || var_1_1) ? (var_1_4 == ((float) ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))))) : (var_1_4 == ((float) ((var_1_9 - var_1_10) - var_1_11))))) && ((((200 - var_1_13) - var_1_14) != var_1_25) ? (var_1_12 == ((signed long int) (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))))) : (((var_1_25 / (128 - var_1_17)) < var_1_13) ? ((var_1_13 >= var_1_25) ? (var_1_12 == ((signed long int) var_1_14)) : (var_1_12 == ((signed long int) var_1_17))) : (var_1_12 == ((signed long int) var_1_17))))) && (((- (var_1_13 / var_1_17)) > var_1_25) ? (var_1_18 == ((unsigned long int) var_1_13)) : 1)) && (((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) ? (var_1_19 == ((signed char) ((((var_1_17) > (var_1_13)) ? (var_1_17) : (var_1_13))))) : (var_1_19 == ((signed char) var_1_17)))) && ((5 <= var_1_17) ? (var_1_21 == ((unsigned short int) (var_1_22 - var_1_17))) : (var_1_1 ? (var_1_1 ? (var_1_21 == ((unsigned short int) var_1_17)) : (var_1_21 == ((unsigned short int) var_1_17))) : 1))) && (var_1_23 == ((double) var_1_10))) && (var_1_24 == ((float) 31.75f))) && (var_1_25 == ((signed char) -5)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=151, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=2, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=5, var_1_24=127/4, var_1_25=-5, var_1_26=100, var_1_2=0, var_1_36=61, var_1_39=120, var_1_3=0, var_1_40=61, var_1_42=8, var_1_43=-16, var_1_46=61, var_1_47=65414, var_1_49=24, var_1_4=63/2, var_1_7=2, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=-100, var_1_10=5, var_1_11=6, var_1_12=151, var_1_13=24, var_1_14=127, var_1_17=2, var_1_18=25, var_1_19=2, var_1_1=0, var_1_20=3, var_1_21=200, var_1_22=65534, var_1_23=5, var_1_24=127/4, var_1_25=-5, var_1_26=100, var_1_2=0, var_1_36=61, var_1_39=120, var_1_3=0, var_1_40=61, var_1_42=8, var_1_43=-16, var_1_46=61, var_1_47=65414, var_1_49=24, var_1_4=63/2, var_1_7=2, var_1_8=3, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 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 01:01:28,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 0fd6af94f023bb5f79f2f1fda166cb63b73d71c8f30823c00ad4ea17c46c9784 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:31,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:31,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 01:01:31,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:31,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:31,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:31,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:31,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:31,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:31,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:31,997 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:31,998 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:31,998 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:32,001 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:32,002 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:32,003 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:32,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:32,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:32,005 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:01:32,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:01:32,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:32,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:32,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:32,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:32,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:01:32,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:01:32,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:01:32,010 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:01:32,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:32,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:32,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:32,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:01:32,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:32,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:32,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:32,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:32,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:32,016 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:01:32,016 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:01:32,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:32,018 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:32,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:32,019 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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fd6af94f023bb5f79f2f1fda166cb63b73d71c8f30823c00ad4ea17c46c9784 [2023-11-12 01:01:32,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:32,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:32,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:32,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:32,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:32,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i [2023-11-12 01:01:35,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:36,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:36,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i [2023-11-12 01:01:36,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data/f917b22f8/22432246c5f64c23beba9535365c37c6/FLAGa79876e44 [2023-11-12 01:01:36,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/data/f917b22f8/22432246c5f64c23beba9535365c37c6 [2023-11-12 01:01:36,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:36,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:36,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:36,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:36,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:36,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22704c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36, skipping insertion in model container [2023-11-12 01:01:36,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:36,698 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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i[919,932] [2023-11-12 01:01:36,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:36,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:36,814 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_a412dc17-def6-4ace-bbf0-b9a9da0cd394/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i[919,932] [2023-11-12 01:01:36,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:36,885 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:36,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36 WrapperNode [2023-11-12 01:01:36,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:36,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:36,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:36,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:36,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,957 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-12 01:01:36,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:36,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:36,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:36,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:36,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:36,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:37,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:37,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:37,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:37,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:37,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:37,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:37,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (1/1) ... [2023-11-12 01:01:37,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:37,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:37,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:37,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:37,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:01:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:01:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:01:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:37,341 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:37,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:44,641 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:44,650 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:44,650 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:01:44,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:44 BoogieIcfgContainer [2023-11-12 01:01:44,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:44,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:44,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:44,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:44,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:36" (1/3) ... [2023-11-12 01:01:44,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fd1001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:44, skipping insertion in model container [2023-11-12 01:01:44,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:36" (2/3) ... [2023-11-12 01:01:44,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fd1001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:44, skipping insertion in model container [2023-11-12 01:01:44,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:44" (3/3) ... [2023-11-12 01:01:44,663 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-23.i [2023-11-12 01:01:44,683 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:44,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:01:44,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:44,741 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;@24c05bc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:44,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:01:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 01:01:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-12 01:01:44,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:44,763 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:01:44,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:01:44,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:44,769 INFO L85 PathProgramCache]: Analyzing trace with hash 757936951, now seen corresponding path program 1 times [2023-11-12 01:01:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:01:44,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100544757] [2023-11-12 01:01:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:44,789 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 01:01:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:01:44,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 01:01:44,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 01:01:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:46,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 01:01:46,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:01:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-12 01:01:46,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:01:46,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:01:46,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100544757] [2023-11-12 01:01:46,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100544757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:01:46,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:01:46,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 01:01:46,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101853491] [2023-11-12 01:01:46,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:01:46,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 01:01:46,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:01:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 01:01:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:01:46,274 INFO L87 Difference]: Start difference. First operand has 83 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 01:01:46,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:01:46,332 INFO L93 Difference]: Finished difference Result 159 states and 279 transitions. [2023-11-12 01:01:46,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 01:01:46,336 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 164 [2023-11-12 01:01:46,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:01:46,350 INFO L225 Difference]: With dead ends: 159 [2023-11-12 01:01:46,351 INFO L226 Difference]: Without dead ends: 79 [2023-11-12 01:01:46,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:01:46,366 INFO L413 NwaCegarLoop]: 123 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, 123 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 01:01:46,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:01:46,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-12 01:01:46,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-12 01:01:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 01:01:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 123 transitions. [2023-11-12 01:01:46,459 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 123 transitions. Word has length 164 [2023-11-12 01:01:46,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:01:46,459 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 123 transitions. [2023-11-12 01:01:46,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 01:01:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 123 transitions. [2023-11-12 01:01:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-12 01:01:46,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:46,472 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:01:46,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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)] Ended with exit code 0 [2023-11-12 01:01:46,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 01:01:46,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:01:46,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:46,685 INFO L85 PathProgramCache]: Analyzing trace with hash -999514363, now seen corresponding path program 1 times [2023-11-12 01:01:46,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:01:46,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655726041] [2023-11-12 01:01:46,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:46,687 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 01:01:46,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:01:46,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 01:01:46,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 01:01:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:48,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 01:01:48,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:01:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-12 01:01:50,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:01:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 01:01:52,229 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:01:52,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655726041] [2023-11-12 01:01:52,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655726041] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 01:01:52,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1071228341] [2023-11-12 01:01:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:52,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 01:01:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 01:01:52,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 01:01:52,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 01:01:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:55,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 01:01:55,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:01:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-12 01:01:57,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:01:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 01:01:58,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1071228341] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 01:01:58,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713808863] [2023-11-12 01:01:58,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:58,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:01:58,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:58,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:01:58,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 01:02:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:01,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 01:02:01,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:02:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-12 01:02:03,239 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:02:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 01:02:04,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713808863] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 01:02:04,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 01:02:04,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-12 01:02:04,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354059109] [2023-11-12 01:02:04,410 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 01:02:04,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 01:02:04,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:02:04,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 01:02:04,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 01:02:04,418 INFO L87 Difference]: Start difference. First operand 79 states and 123 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-12 01:02:07,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:07,246 INFO L93 Difference]: Finished difference Result 161 states and 246 transitions. [2023-11-12 01:02:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 01:02:07,277 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 164 [2023-11-12 01:02:07,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:07,281 INFO L225 Difference]: With dead ends: 161 [2023-11-12 01:02:07,281 INFO L226 Difference]: Without dead ends: 85 [2023-11-12 01:02:07,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 970 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-11-12 01:02:07,284 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 169 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:07,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 190 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-12 01:02:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-12 01:02:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2023-11-12 01:02:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 53 states have internal predecessors, (68), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 01:02:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 118 transitions. [2023-11-12 01:02:07,301 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 118 transitions. Word has length 164 [2023-11-12 01:02:07,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:07,302 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 118 transitions. [2023-11-12 01:02:07,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-12 01:02:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2023-11-12 01:02:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-12 01:02:07,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:07,306 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:07,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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)] Forceful destruction successful, exit code 0 [2023-11-12 01:02:07,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 01:02:07,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-12 01:02:07,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 01:02:07,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:07,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2010631613, now seen corresponding path program 1 times [2023-11-12 01:02:07,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:02:07,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239933273] [2023-11-12 01:02:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:07,925 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 01:02:07,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:02:07,926 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 01:02:07,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a412dc17-def6-4ace-bbf0-b9a9da0cd394/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 01:02:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:09,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 01:02:09,213 INFO L285 TraceCheckSpWp]: Computing forward predicates...