./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2 --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 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:18,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:18,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:36:18,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:18,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:18,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:18,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:18,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:18,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:18,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:18,351 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:18,352 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:18,352 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:18,352 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:36:18,353 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:18,353 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:18,354 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:36:18,354 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:36:18,355 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:18,355 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:36:18,356 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:36:18,357 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:36:18,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:18,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:18,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:36:18,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:36:18,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:36:18,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:18,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:18,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:18,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:18,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:18,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:36:18,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:18,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:18,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:18,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:18,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:18,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:18,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:18,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:18,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:18,384 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:36:18,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:36:18,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:18,384 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:18,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:18,385 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_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 [2024-11-02 12:36:18,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:18,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:18,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:18,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:18,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:18,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i Unable to find full path for "g++" [2024-11-02 12:36:20,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:21,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:21,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-02 12:36:21,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data/dd13a5aa3/a439ba76e70740759db26a5257368bcf/FLAG38383076b [2024-11-02 12:36:21,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data/dd13a5aa3/a439ba76e70740759db26a5257368bcf [2024-11-02 12:36:21,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:21,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:21,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:21,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:21,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:21,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1b6c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21, skipping insertion in model container [2024-11-02 12:36:21,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:21,383 WARN L251 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_2d4c123e-13c2-445a-98d7-914114cebbce/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-02 12:36:21,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:21,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:21,488 WARN L251 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_2d4c123e-13c2-445a-98d7-914114cebbce/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-02 12:36:21,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:21,565 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:21,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21 WrapperNode [2024-11-02 12:36:21,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:21,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:21,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:21,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:21,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,644 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2024-11-02 12:36:21,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:21,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:21,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:21,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:21,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:21,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:21,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:21,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:21,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (1/1) ... [2024-11-02 12:36:21,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:21,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:21,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:21,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:36:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:21,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:21,908 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:22,553 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:22,553 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:22,861 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:22,862 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:36:22,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:22 BoogieIcfgContainer [2024-11-02 12:36:22,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:22,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:22,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:22,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:22,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:21" (1/3) ... [2024-11-02 12:36:22,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273b9831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:22, skipping insertion in model container [2024-11-02 12:36:22,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:21" (2/3) ... [2024-11-02 12:36:22,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273b9831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:22, skipping insertion in model container [2024-11-02 12:36:22,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:22" (3/3) ... [2024-11-02 12:36:22,872 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-02 12:36:22,895 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:22,896 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:36:23,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:36:23,015 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27758231, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:36:23,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:36:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:36:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-02 12:36:23,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:23,033 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:23,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:23,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:23,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1011437841, now seen corresponding path program 1 times [2024-11-02 12:36:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:36:23,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420846907] [2024-11-02 12:36:23,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:23,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:36:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:36:23,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1251677291] [2024-11-02 12:36:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:23,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:36:23,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:23,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:36:23,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:36:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:36:24,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:36:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:36:24,484 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:36:24,487 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:36:24,489 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:36:24,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:36:24,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:36:24,699 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:36:24,811 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:36:24,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:36:24 BoogieIcfgContainer [2024-11-02 12:36:24,814 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:36:24,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:36:24,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:36:24,816 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:36:24,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:22" (3/4) ... [2024-11-02 12:36:24,820 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:36:24,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:36:24,823 INFO L158 Benchmark]: Toolchain (without parser) took 3697.47ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 98.2MB in the beginning and 120.2MB in the end (delta: -22.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-02 12:36:24,824 INFO L158 Benchmark]: CDTParser took 3.50ms. Allocated memory is still 134.2MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:24,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.18ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 81.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:36:24,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.05ms. Allocated memory is still 134.2MB. Free memory was 81.0MB in the beginning and 75.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:36:24,830 INFO L158 Benchmark]: Boogie Preprocessor took 48.89ms. Allocated memory is still 134.2MB. Free memory was 75.7MB in the beginning and 73.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:36:24,831 INFO L158 Benchmark]: RCFGBuilder took 1167.30ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 56.6MB in the end (delta: 16.5MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-02 12:36:24,832 INFO L158 Benchmark]: TraceAbstraction took 1949.91ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 56.0MB in the beginning and 120.2MB in the end (delta: -64.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-02 12:36:24,832 INFO L158 Benchmark]: Witness Printer took 5.62ms. Allocated memory is still 167.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:24,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.50ms. Allocated memory is still 134.2MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.18ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 81.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.05ms. Allocated memory is still 134.2MB. Free memory was 81.0MB in the beginning and 75.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.89ms. Allocated memory is still 134.2MB. Free memory was 75.7MB in the beginning and 73.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1167.30ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 56.6MB in the end (delta: 16.5MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1949.91ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 56.0MB in the beginning and 120.2MB in the end (delta: -64.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 5.62ms. Allocated memory is still 167.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of bitwiseOr at line 112, overapproximation of someBinaryArithmeticDOUBLEoperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] signed long int var_1_24 = -25; [L40] signed short int var_1_25 = -100; [L41] unsigned char var_1_28 = 1; [L42] unsigned long int var_1_30 = 0; [L43] unsigned char var_1_31 = 64; [L44] unsigned char var_1_33 = 128; [L45] unsigned char var_1_34 = 100; [L46] unsigned char var_1_35 = 4; [L47] unsigned short int last_1_var_1_5 = 0; [L48] unsigned char last_1_var_1_15 = 1; [L49] unsigned char last_1_var_1_18 = 1; [L50] unsigned long int last_1_var_1_19 = 1; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L179] last_1_var_1_5 = var_1_5 [L180] last_1_var_1_15 = var_1_15 [L181] last_1_var_1_18 = var_1_18 [L182] last_1_var_1_19 = var_1_19 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L148] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L149] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L150] var_1_6 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L152] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=27651, var_1_8=1289/10] [L153] var_1_7 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L155] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L156] var_1_10 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L158] var_1_11 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L160] var_1_12 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [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_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L164] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L165] var_1_16 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L167] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L168] var_1_33 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L170] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L171] var_1_34 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L173] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=4, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L174] var_1_35 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L176] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=257, var_1_15=1, var_1_16=-255, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=1289/10] [L193] RET updateVariables() [L194] CALL step() [L54] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; [L55] COND TRUE \read(last_1_var_1_18) [L56] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L57] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) [L64] COND FALSE !(var_1_12 != var_1_8) [L67] var_1_15 = var_1_16 [L69] var_1_17 = var_1_4 [L70] var_1_18 = var_1_16 [L71] var_1_19 = var_1_4 [L72] unsigned short int stepLocal_1 = var_1_17; [L73] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); [L74] COND TRUE stepLocal_0 && var_1_15 [L75] COND FALSE !(stepLocal_1 > var_1_4) [L78] COND TRUE \read(var_1_15) [L79] var_1_1 = var_1_17 [L87] unsigned short int stepLocal_2 = var_1_17; [L88] COND FALSE !(stepLocal_2 < last_1_var_1_5) [L91] COND FALSE !(! var_1_15) [L95] unsigned short int stepLocal_5 = var_1_6; [L96] unsigned short int stepLocal_4 = var_1_5; [L97] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) [L98] COND TRUE var_1_5 <= stepLocal_5 [L99] var_1_13 = 32 [L106] COND FALSE !(var_1_12 == var_1_10) [L109] COND TRUE ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) > ((((128.5f) < (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (128.5f) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) [L110] var_1_24 = ((((var_1_4) > (var_1_4)) ? (var_1_4) : (var_1_4))) [L112] EXPR var_1_14 | var_1_6 [L112] COND TRUE (var_1_4 / var_1_6) < (var_1_14 | var_1_6) [L113] COND TRUE (- var_1_12) >= 256.75f [L114] var_1_25 = var_1_4 [L119] EXPR var_1_6 ^ (~ var_1_17) [L119] COND FALSE !((var_1_6 ^ (~ var_1_17)) >= var_1_17) [L122] COND TRUE var_1_19 < var_1_6 [L123] COND FALSE !(var_1_12 <= var_1_12) [L127] COND FALSE !(var_1_4 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L142] var_1_31 = var_1_14 [L194] RET step() [L195] CALL, EXPR property() [L185-L186] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=32, var_1_14=257, var_1_15=-255, var_1_16=-255, var_1_17=16, var_1_18=-255, var_1_19=16, var_1_1=16, var_1_20=25, var_1_24=16, var_1_25=16, var_1_28=1, var_1_30=0, var_1_31=257, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_11=0, var_1_13=32, var_1_14=257, var_1_15=-255, var_1_16=-255, var_1_17=16, var_1_18=-255, var_1_19=16, var_1_1=16, var_1_20=25, var_1_24=16, var_1_25=16, var_1_28=1, var_1_30=0, var_1_31=257, var_1_33=127, var_1_34=63, var_1_35=0, var_1_4=16, var_1_5=0, var_1_6=-32769, var_1_7=16383, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 20, 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=40occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:36:24,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2 --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 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:27,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:27,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:36:27,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:27,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:27,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:27,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:27,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:27,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:27,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:27,487 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:27,487 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:27,488 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:27,490 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:27,490 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:27,491 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:27,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:27,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:27,492 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:36:27,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:36:27,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:27,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:27,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:27,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:27,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:36:27,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:36:27,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:27,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:36:27,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:36:27,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:27,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:27,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:27,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:36:27,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:27,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:27,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:27,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:27,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:27,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:27,503 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:36:27,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:36:27,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:27,506 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:27,506 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:27,515 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_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d60c41fdcdaad38dc038867a7c9992a8ab8f45b7eb867ab47c18062a0edd8d7 [2024-11-02 12:36:27,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:27,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:27,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:27,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:27,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:27,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i Unable to find full path for "g++" [2024-11-02 12:36:30,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:30,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:30,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-02 12:36:30,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data/ef2abd696/53f02959a41a404e8856cb0a375fccdf/FLAGeeb0f1108 [2024-11-02 12:36:30,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/data/ef2abd696/53f02959a41a404e8856cb0a375fccdf [2024-11-02 12:36:30,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:30,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:30,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:30,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:30,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:30,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:30,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aac107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30, skipping insertion in model container [2024-11-02 12:36:30,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:30,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:30,638 WARN L251 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_2d4c123e-13c2-445a-98d7-914114cebbce/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-02 12:36:30,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:30,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:30,787 WARN L251 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_2d4c123e-13c2-445a-98d7-914114cebbce/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i[919,932] [2024-11-02 12:36:30,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:30,904 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:30,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30 WrapperNode [2024-11-02 12:36:30,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:30,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:30,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:30,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:30,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:30,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:30,998 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2024-11-02 12:36:30,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:30,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:30,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:31,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:31,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:31,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:31,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:31,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:31,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (1/1) ... [2024-11-02 12:36:31,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:31,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:31,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:31,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:36:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:31,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:31,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:32,203 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:32,203 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:32,228 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:32,228 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:36:32,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:32 BoogieIcfgContainer [2024-11-02 12:36:32,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:32,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:32,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:32,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:32,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:30" (1/3) ... [2024-11-02 12:36:32,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332c1cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:32, skipping insertion in model container [2024-11-02 12:36:32,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:30" (2/3) ... [2024-11-02 12:36:32,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332c1cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:32, skipping insertion in model container [2024-11-02 12:36:32,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:32" (3/3) ... [2024-11-02 12:36:32,243 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-59.i [2024-11-02 12:36:32,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:32,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:36:32,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:36:32,368 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1234d747, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:36:32,369 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:36:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:36:32,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-02 12:36:32,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:32,394 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:32,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:32,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:32,403 INFO L85 PathProgramCache]: Analyzing trace with hash 130872288, now seen corresponding path program 1 times [2024-11-02 12:36:32,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:32,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708464596] [2024-11-02 12:36:32,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:32,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:32,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:32,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:36:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:36:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:32,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:36:32,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-02 12:36:32,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:36:32,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:36:32,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708464596] [2024-11-02 12:36:32,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708464596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:36:32,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:36:32,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:36:32,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487316956] [2024-11-02 12:36:32,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:36:32,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:36:32,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:36:32,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:36:32,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:36:32,945 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:36:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:32,983 INFO L93 Difference]: Finished difference Result 138 states and 242 transitions. [2024-11-02 12:36:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:36:32,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2024-11-02 12:36:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:33,008 INFO L225 Difference]: With dead ends: 138 [2024-11-02 12:36:33,009 INFO L226 Difference]: Without dead ends: 67 [2024-11-02 12:36:33,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:36:33,019 INFO L432 NwaCegarLoop]: 102 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, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:36:33,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:36:33,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-02 12:36:33,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-02 12:36:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:36:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2024-11-02 12:36:33,088 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 134 [2024-11-02 12:36:33,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:33,090 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2024-11-02 12:36:33,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:36:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-02 12:36:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-02 12:36:33,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:33,097 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:33,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:36:33,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:33,299 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:33,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1876890262, now seen corresponding path program 1 times [2024-11-02 12:36:33,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:33,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268153427] [2024-11-02 12:36:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:33,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:33,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:33,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:36:33,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:36:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:33,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:36:33,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-02 12:36:34,344 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:36:34,345 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:36:34,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268153427] [2024-11-02 12:36:34,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268153427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:36:34,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:36:34,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:36:34,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180206490] [2024-11-02 12:36:34,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:36:34,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:36:34,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:36:34,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:36:34,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:36:34,352 INFO L87 Difference]: Start difference. First operand 67 states and 102 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:36:35,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:35,443 INFO L93 Difference]: Finished difference Result 196 states and 301 transitions. [2024-11-02 12:36:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:36:35,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-11-02 12:36:35,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:35,455 INFO L225 Difference]: With dead ends: 196 [2024-11-02 12:36:35,455 INFO L226 Difference]: Without dead ends: 132 [2024-11-02 12:36:35,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:36:35,457 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 65 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:36:35,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 290 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-02 12:36:35,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-02 12:36:35,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 105. [2024-11-02 12:36:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 62 states have internal predecessors, (79), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-02 12:36:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 159 transitions. [2024-11-02 12:36:35,497 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 159 transitions. Word has length 134 [2024-11-02 12:36:35,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:35,498 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 159 transitions. [2024-11-02 12:36:35,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:36:35,499 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 159 transitions. [2024-11-02 12:36:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-02 12:36:35,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:35,503 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:35,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:36:35,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:35,704 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:35,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1303864671, now seen corresponding path program 1 times [2024-11-02 12:36:35,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:35,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199471561] [2024-11-02 12:36:35,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:35,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:35,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:35,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:36:35,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:36:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:36,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:36:36,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-02 12:36:36,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:36:36,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:36:36,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199471561] [2024-11-02 12:36:36,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199471561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:36:36,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:36:36,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:36:36,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293424172] [2024-11-02 12:36:36,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:36:36,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:36:36,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:36:36,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:36:36,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:36:36,615 INFO L87 Difference]: Start difference. First operand 105 states and 159 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:36:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:37,583 INFO L93 Difference]: Finished difference Result 251 states and 383 transitions. [2024-11-02 12:36:37,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:36:37,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2024-11-02 12:36:37,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:37,595 INFO L225 Difference]: With dead ends: 251 [2024-11-02 12:36:37,596 INFO L226 Difference]: Without dead ends: 187 [2024-11-02 12:36:37,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:36:37,598 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 94 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:36:37,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 302 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-02 12:36:37,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-02 12:36:37,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 167. [2024-11-02 12:36:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 103 states have internal predecessors, (135), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-02 12:36:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 255 transitions. [2024-11-02 12:36:37,656 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 255 transitions. Word has length 135 [2024-11-02 12:36:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:37,657 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 255 transitions. [2024-11-02 12:36:37,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:36:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 255 transitions. [2024-11-02 12:36:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-02 12:36:37,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:37,664 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:37,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:36:37,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:37,866 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:37,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:37,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1567346565, now seen corresponding path program 1 times [2024-11-02 12:36:37,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:37,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463292225] [2024-11-02 12:36:37,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:37,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:37,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:37,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:36:37,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:36:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:38,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:36:38,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 388 proven. 36 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-02 12:36:38,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:36:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-02 12:36:39,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:36:39,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463292225] [2024-11-02 12:36:39,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463292225] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:36:39,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1422331216] [2024-11-02 12:36:39,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:39,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:36:39,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:36:39,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:36:39,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-02 12:36:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:40,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:36:40,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:40,572 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-02 12:36:40,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:36:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-02 12:36:40,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1422331216] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:36:40,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585599749] [2024-11-02 12:36:40,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:40,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:36:40,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:40,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:36:40,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-02 12:36:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:41,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:36:41,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-02 12:36:41,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:36:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-02 12:36:41,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585599749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:36:41,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-02 12:36:41,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2024-11-02 12:36:41,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308941] [2024-11-02 12:36:41,761 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-02 12:36:41,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-02 12:36:41,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:36:41,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-02 12:36:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-02 12:36:41,764 INFO L87 Difference]: Start difference. First operand 167 states and 255 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-02 12:36:44,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:44,725 INFO L93 Difference]: Finished difference Result 542 states and 789 transitions. [2024-11-02 12:36:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-02 12:36:44,726 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 136 [2024-11-02 12:36:44,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:44,730 INFO L225 Difference]: With dead ends: 542 [2024-11-02 12:36:44,731 INFO L226 Difference]: Without dead ends: 416 [2024-11-02 12:36:44,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 835 GetRequests, 799 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2024-11-02 12:36:44,733 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 322 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:36:44,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 396 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-02 12:36:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-02 12:36:44,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 201. [2024-11-02 12:36:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 131 states have (on average 1.251908396946565) internal successors, (164), 131 states have internal predecessors, (164), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-02 12:36:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 284 transitions. [2024-11-02 12:36:44,802 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 284 transitions. Word has length 136 [2024-11-02 12:36:44,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:44,804 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 284 transitions. [2024-11-02 12:36:44,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 3 states have call successors, (33), 3 states have call predecessors, (33), 6 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-02 12:36:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 284 transitions. [2024-11-02 12:36:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-02 12:36:44,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:44,812 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:44,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-02 12:36:45,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-02 12:36:45,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-02 12:36:45,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:45,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:45,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:45,421 INFO L85 PathProgramCache]: Analyzing trace with hash 2140814717, now seen corresponding path program 1 times [2024-11-02 12:36:45,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:45,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540266915] [2024-11-02 12:36:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:45,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:36:45,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:45,424 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:36:45,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c123e-13c2-445a-98d7-914114cebbce/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-02 12:36:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:45,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-02 12:36:45,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 454 proven. 120 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-02 12:36:50,708 INFO L311 TraceCheckSpWp]: Computing backward predicates...