./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 eddbc0be99e491b41b2298c61aa505690328b3f202a7871e81ba45da2de325f2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:43,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:43,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:39:43,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:43,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:43,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:43,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:43,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:43,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:43,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:43,806 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:43,807 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:43,807 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:43,807 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:39:43,808 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:43,808 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:43,809 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:39:43,809 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:39:43,810 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:43,810 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:39:43,811 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:39:43,811 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:39:43,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:43,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:43,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:43,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:39:43,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:43,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:43,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:43,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:43,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:43,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:43,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:43,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:43,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:43,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:43,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:43,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:43,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:43,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:43,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:43,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:43,821 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:39:43,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:39:43,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:43,822 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:43,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:43,822 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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eddbc0be99e491b41b2298c61aa505690328b3f202a7871e81ba45da2de325f2 [2024-11-02 12:39:44,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:44,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:44,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:44,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:44,174 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:44,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i Unable to find full path for "g++" [2024-11-02 12:39:46,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:46,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:46,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i [2024-11-02 12:39:46,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data/1707156ad/7a6117e0938643a5b07d7e56e89c136b/FLAGb85793276 [2024-11-02 12:39:46,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data/1707156ad/7a6117e0938643a5b07d7e56e89c136b [2024-11-02 12:39:46,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:46,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:46,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:46,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:46,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:46,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:46" (1/1) ... [2024-11-02 12:39:46,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e011a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:46, skipping insertion in model container [2024-11-02 12:39:46,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:46" (1/1) ... [2024-11-02 12:39:46,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:47,059 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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i[919,932] [2024-11-02 12:39:47,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:47,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:47,174 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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i[919,932] [2024-11-02 12:39:47,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:47,269 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:47,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47 WrapperNode [2024-11-02 12:39:47,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:47,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:47,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:47,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:47,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,348 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2024-11-02 12:39:47,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:47,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:47,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:47,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:47,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:47,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:47,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:47,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:47,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (1/1) ... [2024-11-02 12:39:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:47,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:47,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:47,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:39:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:47,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:47,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:48,239 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:48,239 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:48,670 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:48,670 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:48,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:48 BoogieIcfgContainer [2024-11-02 12:39:48,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:48,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:48,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:48,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:48,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:46" (1/3) ... [2024-11-02 12:39:48,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37789422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:48, skipping insertion in model container [2024-11-02 12:39:48,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:47" (2/3) ... [2024-11-02 12:39:48,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37789422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:48, skipping insertion in model container [2024-11-02 12:39:48,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:48" (3/3) ... [2024-11-02 12:39:48,689 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i [2024-11-02 12:39:48,732 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:48,735 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:48,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:48,875 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;@5d05d8cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:48,875 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:39:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-02 12:39:48,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:48,894 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:39:48,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:48,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:48,902 INFO L85 PathProgramCache]: Analyzing trace with hash -881882455, now seen corresponding path program 1 times [2024-11-02 12:39:48,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:39:48,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699167737] [2024-11-02 12:39:48,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:48,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:39:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:39:49,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585188371] [2024-11-02 12:39:49,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:49,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:39:49,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:49,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:39:49,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:39:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:49,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:39:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:50,058 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:39:50,062 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:39:50,063 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:39:50,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:39:50,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:39:50,270 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:39:50,398 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:39:50,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:39:50 BoogieIcfgContainer [2024-11-02 12:39:50,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:39:50,402 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:39:50,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:39:50,405 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:39:50,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:48" (3/4) ... [2024-11-02 12:39:50,410 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:39:50,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:39:50,412 INFO L158 Benchmark]: Toolchain (without parser) took 3640.55ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 95.2MB in the beginning and 69.1MB in the end (delta: 26.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:50,413 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 136.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:50,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.33ms. Allocated memory is still 136.3MB. Free memory was 95.2MB in the beginning and 78.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:39:50,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.12ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 73.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:39:50,417 INFO L158 Benchmark]: Boogie Preprocessor took 51.00ms. Allocated memory is still 136.3MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:39:50,417 INFO L158 Benchmark]: RCFGBuilder took 1269.36ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 138.3MB in the end (delta: -67.4MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-02 12:39:50,418 INFO L158 Benchmark]: TraceAbstraction took 1729.17ms. Allocated memory is still 176.2MB. Free memory was 138.3MB in the beginning and 69.1MB in the end (delta: 69.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:50,420 INFO L158 Benchmark]: Witness Printer took 8.82ms. Allocated memory is still 176.2MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:50,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 136.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.33ms. Allocated memory is still 136.3MB. Free memory was 95.2MB in the beginning and 78.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.12ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 73.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.00ms. Allocated memory is still 136.3MB. Free memory was 73.3MB in the beginning and 70.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1269.36ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 138.3MB in the end (delta: -67.4MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1729.17ms. Allocated memory is still 176.2MB. Free memory was 138.3MB in the beginning and 69.1MB in the end (delta: 69.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 8.82ms. Allocated memory is still 176.2MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 182, overapproximation of bitwiseOr at line 83, overapproximation of someBinaryArithmeticDOUBLEoperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 32; [L27] double var_1_9 = 4.6; [L28] double var_1_10 = 9.25; [L29] double var_1_11 = 1.25; [L30] unsigned char var_1_12 = 100; [L31] unsigned char var_1_13 = 64; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 7.5; [L34] signed long int var_1_16 = 0; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_20 = 0; [L38] double var_1_21 = 4.65; [L39] double var_1_23 = 9999999999.1; [L40] double var_1_24 = 5.5; [L41] unsigned short int var_1_25 = 16; [L42] signed long int var_1_27 = 32; [L43] signed char var_1_31 = 32; [L44] signed char var_1_32 = 32; [L45] signed short int var_1_33 = 100; [L46] unsigned char var_1_34 = 1; [L47] double var_1_35 = 3.8; [L48] unsigned char var_1_36 = 0; [L49] signed short int var_1_37 = -256; [L50] unsigned short int var_1_38 = 4; [L51] double last_1_var_1_9 = 4.6; [L52] unsigned char last_1_var_1_12 = 100; [L53] unsigned char last_1_var_1_14 = 0; [L54] signed long int last_1_var_1_16 = 0; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L176] last_1_var_1_9 = var_1_9 [L177] last_1_var_1_12 = var_1_12 [L178] last_1_var_1_14 = var_1_14 [L179] last_1_var_1_16 = var_1_16 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L137] var_1_5 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L139] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=32, var_1_9=23/5] [L142] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=32, var_1_9=23/5] [L143] var_1_8 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_9=23/5] [L145] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_9=23/5] [L146] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L147] var_1_10 = __VERIFIER_nondet_double() [L148] 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_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L148] 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_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L149] var_1_13 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L151] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L152] var_1_18 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L154] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L155] var_1_20 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L157] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L158] var_1_23 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L160] var_1_24 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L162] var_1_31 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_31 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_31 >= -127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L164] CALL assume_abort_if_not(var_1_31 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_31 <= 127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L165] var_1_32 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L167] CALL assume_abort_if_not(var_1_32 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_32 <= 127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L168] var_1_35 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L170] CALL assume_abort_if_not(var_1_35 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_35 != 0.0F) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L171] var_1_36 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L173] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=16, var_1_27=32, var_1_31=101, var_1_32=102, var_1_33=100, var_1_34=1, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=-255, var_1_8=99, var_1_9=23/5] [L190] RET updateVariables() [L191] CALL step() [L58] signed long int stepLocal_4 = last_1_var_1_16; [L59] COND FALSE !(\read(last_1_var_1_14)) [L70] var_1_12 = var_1_13 [L72] var_1_16 = last_1_var_1_12 [L73] unsigned long int stepLocal_6 = var_1_13 % (5u + 256u); [L74] signed long int stepLocal_5 = var_1_13 + 16; [L75] COND TRUE stepLocal_6 <= var_1_16 [L76] COND FALSE !(stepLocal_5 >= var_1_16) [L79] var_1_14 = var_1_7 [L82] unsigned char stepLocal_0 = var_1_12; [L83] EXPR var_1_12 ^ var_1_12 [L83] COND TRUE stepLocal_0 <= (var_1_12 ^ var_1_12) [L84] var_1_1 = (! var_1_5) [L88] unsigned char stepLocal_2 = var_1_12 < (var_1_16 / var_1_8); [L89] signed long int stepLocal_1 = var_1_16; [L90] COND FALSE !(-256 >= stepLocal_1) [L93] COND TRUE stepLocal_2 || ((var_1_5 && var_1_7) && var_1_1) [L94] var_1_6 = var_1_7 [L97] unsigned char stepLocal_3 = ! var_1_5; [L98] COND TRUE (var_1_7 && var_1_14) || stepLocal_3 [L99] var_1_11 = var_1_10 [L101] var_1_15 = var_1_10 [L102] COND TRUE ((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8) [L103] var_1_9 = var_1_10 [L105] var_1_17 = (var_1_18 || (var_1_6 && var_1_20)) [L106] COND FALSE !(! var_1_14) [L109] var_1_25 = var_1_12 [L110] COND TRUE ((((var_1_9) > (var_1_24)) ? (var_1_9) : (var_1_24))) > var_1_23 [L111] COND FALSE !(var_1_9 > var_1_23) [L114] COND FALSE !(((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) > (var_1_12 - ((((var_1_12) < (10)) ? (var_1_12) : (10))))) [L119] var_1_27 = var_1_31 [L123] var_1_33 = var_1_31 [L124] COND FALSE !(var_1_31 >= var_1_32) [L129] var_1_34 = ((var_1_24 >= (var_1_11 / var_1_35)) || var_1_36) [L131] EXPR var_1_12 | var_1_16 [L131] EXPR var_1_12 ^ (var_1_12 | var_1_16) [L131] EXPR var_1_31 ^ var_1_12 [L131] COND TRUE (var_1_12 ^ (var_1_12 | var_1_16)) < (var_1_31 ^ var_1_12) [L132] var_1_37 = var_1_31 [L134] var_1_38 = var_1_12 [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR var_1_12 ^ var_1_12 [L182-L183] return ((((((((var_1_12 <= (var_1_12 ^ var_1_12)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_16) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_12 < (var_1_16 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_14) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (last_1_var_1_14 ? ((var_1_10 >= (- last_1_var_1_9)) ? ((var_1_8 != last_1_var_1_16) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_16) ? (((var_1_13 + 16) >= var_1_16) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) last_1_var_1_12)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=-255, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=0, var_1_27=101, var_1_31=101, var_1_32=102, var_1_33=101, var_1_34=1, var_1_36=1, var_1_37=101, var_1_38=0, var_1_5=0, var_1_6=-255, var_1_7=-255, var_1_8=99, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=-255, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_25=0, var_1_27=101, var_1_31=101, var_1_32=102, var_1_33=101, var_1_34=1, var_1_36=1, var_1_37=101, var_1_38=0, var_1_5=0, var_1_6=-255, var_1_7=-255, var_1_8=99, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 24, 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=46occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 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 12:39:50,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 eddbc0be99e491b41b2298c61aa505690328b3f202a7871e81ba45da2de325f2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:52,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:52,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:39:52,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:52,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:53,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:53,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:53,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:53,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:53,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:53,031 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:53,031 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:53,031 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:53,032 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:53,032 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:53,033 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:53,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:53,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:53,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:53,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:53,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:53,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:53,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:53,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:53,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:39:53,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:39:53,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:53,044 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:39:53,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:53,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:53,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:53,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:53,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:39:53,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:53,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:53,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:53,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:53,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:53,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:53,051 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:39:53,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:39:53,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:53,053 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:53,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:53,054 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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eddbc0be99e491b41b2298c61aa505690328b3f202a7871e81ba45da2de325f2 [2024-11-02 12:39:53,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:53,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:53,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:53,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:53,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:53,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i Unable to find full path for "g++" [2024-11-02 12:39:55,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:55,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:55,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i [2024-11-02 12:39:55,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data/ad85941e6/eb1264c3c94745788432a5326cc7384b/FLAGd3e86570a [2024-11-02 12:39:56,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/data/ad85941e6/eb1264c3c94745788432a5326cc7384b [2024-11-02 12:39:56,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:56,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:56,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:56,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:56,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:56,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9e5553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56, skipping insertion in model container [2024-11-02 12:39:56,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:56,539 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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i[919,932] [2024-11-02 12:39:56,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:56,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:56,684 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_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i[919,932] [2024-11-02 12:39:56,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:56,779 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:56,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56 WrapperNode [2024-11-02 12:39:56,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:56,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:56,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:56,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:56,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,887 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-11-02 12:39:56,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:56,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:56,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:56,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:56,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:56,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:56,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:56,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:56,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (1/1) ... [2024-11-02 12:39:56,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:56,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:57,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:57,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:39:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:57,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:57,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:40:00,519 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-02 12:40:00,519 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:40:00,544 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:40:00,544 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:40:00,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:00 BoogieIcfgContainer [2024-11-02 12:40:00,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:40:00,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:40:00,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:40:00,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:40:00,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:56" (1/3) ... [2024-11-02 12:40:00,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9f1bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:00, skipping insertion in model container [2024-11-02 12:40:00,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:56" (2/3) ... [2024-11-02 12:40:00,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9f1bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:00, skipping insertion in model container [2024-11-02 12:40:00,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:00" (3/3) ... [2024-11-02 12:40:00,561 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-68.i [2024-11-02 12:40:00,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:40:00,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:40:00,669 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:40:00,676 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;@2da8b85f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:40:00,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:40:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:40:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-02 12:40:00,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:00,723 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:00,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:00,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:00,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1885384555, now seen corresponding path program 1 times [2024-11-02 12:40:00,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:40:00,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615228838] [2024-11-02 12:40:00,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:00,744 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 12:40:00,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:40:00,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:00,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:40:02,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:40:02,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:40:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-02 12:40:02,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:40:02,108 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:40:02,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615228838] [2024-11-02 12:40:02,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615228838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:40:02,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:40:02,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:40:02,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259364731] [2024-11-02 12:40:02,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:40:02,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:40:02,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:40:02,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:40:02,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:40:02,150 INFO L87 Difference]: Start difference. First operand has 83 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:40:02,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:40:02,189 INFO L93 Difference]: Finished difference Result 159 states and 272 transitions. [2024-11-02 12:40:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:40:02,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2024-11-02 12:40:02,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:40:02,204 INFO L225 Difference]: With dead ends: 159 [2024-11-02 12:40:02,205 INFO L226 Difference]: Without dead ends: 79 [2024-11-02 12:40:02,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 12:40:02,213 INFO L432 NwaCegarLoop]: 120 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, 120 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 12:40:02,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:40:02,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-02 12:40:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-02 12:40:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:40:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2024-11-02 12:40:02,285 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 161 [2024-11-02 12:40:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:40:02,287 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2024-11-02 12:40:02,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:40:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2024-11-02 12:40:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-02 12:40:02,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:02,297 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:02,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:40:02,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:02,498 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:02,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1322509931, now seen corresponding path program 1 times [2024-11-02 12:40:02,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:40:02,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103169818] [2024-11-02 12:40:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:02,501 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 12:40:02,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:40:02,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:02,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:40:03,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:40:03,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:40:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-02 12:40:06,083 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:40:06,083 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:40:06,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103169818] [2024-11-02 12:40:06,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103169818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:40:06,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:40:06,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:40:06,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287016994] [2024-11-02 12:40:06,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:40:06,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-02 12:40:06,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:40:06,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-02 12:40:06,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:40:06,089 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:40:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:40:11,349 INFO L93 Difference]: Finished difference Result 336 states and 513 transitions. [2024-11-02 12:40:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-02 12:40:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-02 12:40:11,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:40:11,360 INFO L225 Difference]: With dead ends: 336 [2024-11-02 12:40:11,361 INFO L226 Difference]: Without dead ends: 260 [2024-11-02 12:40:11,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-02 12:40:11,365 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 258 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:40:11,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 564 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-02 12:40:11,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-02 12:40:11,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 142. [2024-11-02 12:40:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.3296703296703296) internal successors, (121), 91 states have internal predecessors, (121), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-02 12:40:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2024-11-02 12:40:11,420 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 161 [2024-11-02 12:40:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:40:11,421 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2024-11-02 12:40:11,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:40:11,422 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2024-11-02 12:40:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-02 12:40:11,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:11,425 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:11,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:11,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:11,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:11,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:11,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1283513623, now seen corresponding path program 1 times [2024-11-02 12:40:11,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:40:11,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487504664] [2024-11-02 12:40:11,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:11,628 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 12:40:11,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:40:11,634 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:11,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:40:12,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:40:12,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:40:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-02 12:40:12,891 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:40:12,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:40:12,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487504664] [2024-11-02 12:40:12,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487504664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:40:12,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:40:12,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:40:12,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274653702] [2024-11-02 12:40:12,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:40:12,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:40:12,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:40:12,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:40:12,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:40:12,895 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:40:13,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:40:13,553 INFO L93 Difference]: Finished difference Result 228 states and 349 transitions. [2024-11-02 12:40:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:40:13,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-11-02 12:40:13,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:40:13,567 INFO L225 Difference]: With dead ends: 228 [2024-11-02 12:40:13,567 INFO L226 Difference]: Without dead ends: 142 [2024-11-02 12:40:13,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:40:13,569 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 114 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:40:13,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 213 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-02 12:40:13,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-02 12:40:13,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-02 12:40:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 91 states have internal predecessors, (119), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-02 12:40:13,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2024-11-02 12:40:13,603 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 161 [2024-11-02 12:40:13,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:40:13,604 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2024-11-02 12:40:13,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-02 12:40:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2024-11-02 12:40:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-02 12:40:13,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:13,608 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:13,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:40:13,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:13,809 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:13,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:13,809 INFO L85 PathProgramCache]: Analyzing trace with hash 999794447, now seen corresponding path program 1 times [2024-11-02 12:40:13,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:40:13,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333143205] [2024-11-02 12:40:13,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:13,811 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 12:40:13,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:40:13,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:13,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f307a7fe-58f0-4e99-8540-4bc1b53dcd39/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 12:40:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:40:15,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-02 12:40:15,044 INFO L278 TraceCheckSpWp]: Computing forward predicates...