./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje --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 4fcc2ce47bc034780fb01758f27a0099ceca40e7fe000487fe647a6fb5f368a8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:49:50,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:49:50,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:49:50,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:49:50,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:49:50,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:49:50,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:49:50,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:49:50,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:49:50,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:49:50,583 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:49:50,584 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:49:50,584 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:49:50,585 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:49:50,585 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:49:50,586 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:49:50,586 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:49:50,587 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:49:50,587 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:49:50,587 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:49:50,588 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:49:50,592 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:49:50,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:49:50,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:49:50,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:49:50,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:49:50,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:49:50,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:49:50,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:49:50,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:49:50,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:49:50,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:49:50,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:49:50,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:49:50,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:49:50,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:49:50,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:49:50,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:49:50,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:49:50,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:49:50,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:49:50,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:49:50,599 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:49:50,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:49:50,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:49:50,599 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:49:50,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:49:50,600 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_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fcc2ce47bc034780fb01758f27a0099ceca40e7fe000487fe647a6fb5f368a8 [2024-11-09 04:49:50,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:49:50,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:49:50,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:49:50,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:49:50,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:49:50,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i Unable to find full path for "g++" [2024-11-09 04:49:52,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:49:53,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:49:53,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i [2024-11-09 04:49:53,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data/f29e6eccc/cc7839949e93423cbb84eb14247157b0/FLAGf8f7b289c [2024-11-09 04:49:53,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data/f29e6eccc/cc7839949e93423cbb84eb14247157b0 [2024-11-09 04:49:53,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:49:53,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:49:53,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:49:53,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:49:53,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:49:53,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403850e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53, skipping insertion in model container [2024-11-09 04:49:53,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:49:53,775 WARN L250 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_0f98829e-1552-4318-b1d5-71a78341a535/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i[915,928] [2024-11-09 04:49:53,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:49:53,827 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:49:53,840 WARN L250 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_0f98829e-1552-4318-b1d5-71a78341a535/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i[915,928] [2024-11-09 04:49:53,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:49:53,881 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:49:53,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53 WrapperNode [2024-11-09 04:49:53,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:49:53,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:49:53,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:49:53,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:49:53,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,939 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2024-11-09 04:49:53,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:49:53,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:49:53,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:49:53,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:49:53,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:49:53,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:49:53,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:49:53,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:49:53,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (1/1) ... [2024-11-09 04:49:53,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:49:54,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:49:54,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:49:54,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:49:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:49:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:49:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:49:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:49:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:49:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:49:54,165 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:49:54,168 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:49:54,506 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 04:49:54,507 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:49:54,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:49:54,656 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:49:54,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:54 BoogieIcfgContainer [2024-11-09 04:49:54,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:49:54,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:49:54,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:49:54,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:49:54,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:49:53" (1/3) ... [2024-11-09 04:49:54,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dafbbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:49:54, skipping insertion in model container [2024-11-09 04:49:54,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:53" (2/3) ... [2024-11-09 04:49:54,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dafbbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:49:54, skipping insertion in model container [2024-11-09 04:49:54,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:54" (3/3) ... [2024-11-09 04:49:54,671 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-30.i [2024-11-09 04:49:54,711 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:49:54,711 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:49:54,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:49:54,786 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;@1d9365bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:49:54,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:49:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 04:49:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 04:49:54,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:49:54,798 INFO L215 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:49:54,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:49:54,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:49:54,804 INFO L85 PathProgramCache]: Analyzing trace with hash 868471729, now seen corresponding path program 1 times [2024-11-09 04:49:54,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:49:54,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45483721] [2024-11-09 04:49:54,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:54,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:49:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:49:55,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38006003] [2024-11-09 04:49:55,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:55,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:49:55,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:49:55,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:49:55,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:49:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:49:55,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:49:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:49:55,342 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:49:55,345 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:49:55,346 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:49:55,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:49:55,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:49:55,554 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:49:55,591 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:49:55,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:49:55 BoogieIcfgContainer [2024-11-09 04:49:55,594 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:49:55,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:49:55,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:49:55,595 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:49:55,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:54" (3/4) ... [2024-11-09 04:49:55,598 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:49:55,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:49:55,601 INFO L158 Benchmark]: Toolchain (without parser) took 2058.50ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 84.6MB in the end (delta: 18.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-09 04:49:55,601 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory was 89.9MB in the beginning and 89.9MB in the end (delta: 77.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:49:55,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.06ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 89.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 04:49:55,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.93ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:49:55,603 INFO L158 Benchmark]: Boogie Preprocessor took 44.99ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:49:55,604 INFO L158 Benchmark]: RCFGBuilder took 670.97ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 61.6MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 04:49:55,604 INFO L158 Benchmark]: TraceAbstraction took 934.82ms. Allocated memory is still 142.6MB. Free memory was 60.7MB in the beginning and 85.3MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:49:55,605 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 84.6MB in the end (delta: 769.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:49:55,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory was 89.9MB in the beginning and 89.9MB in the end (delta: 77.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.06ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 89.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.93ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 86.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.99ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.97ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 61.6MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 934.82ms. Allocated memory is still 142.6MB. Free memory was 60.7MB in the beginning and 85.3MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 84.6MB in the end (delta: 769.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = -32; [L26] unsigned char var_1_7 = 100; [L27] signed long int var_1_8 = 32; [L28] float var_1_10 = 255.3; [L29] float var_1_13 = 2.8; [L30] signed long int last_1_var_1_8 = 32; [L86] isInitial = 1 [L87] FCALL initially() [L88] COND TRUE 1 [L89] CALL updateLastVariables() [L79] last_1_var_1_8 = var_1_8 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L64] var_1_5 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L66] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L67] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L68] var_1_6 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L70] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L71] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_8=32] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_8=32] [L74] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=-191, var_1_8=32] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=-191, var_1_8=32] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=-191, var_1_8=32] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=-191, var_1_8=32] [L90] RET updateVariables() [L91] CALL step() [L34] signed long int stepLocal_0 = (last_1_var_1_8 / var_1_5) % var_1_6; [L35] COND TRUE \read(var_1_2) [L36] COND FALSE !(last_1_var_1_8 > stepLocal_0) [L42] unsigned char stepLocal_1 = var_1_1; [L43] COND FALSE !(stepLocal_1 < var_1_5) [L46] var_1_8 = var_1_7 [L48] COND TRUE ((var_1_6 * var_1_8) * var_1_7) <= (var_1_8 - var_1_1) [L49] COND TRUE var_1_5 <= (var_1_8 + var_1_8) [L50] var_1_10 = var_1_13 [L91] RET step() [L92] CALL, EXPR property() [L82-L83] return ((var_1_2 ? ((last_1_var_1_8 > ((last_1_var_1_8 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((var_1_1 < var_1_5) ? (var_1_8 == ((signed long int) (var_1_1 - ((((var_1_7) < (var_1_1)) ? (var_1_7) : (var_1_1)))))) : (var_1_8 == ((signed long int) var_1_7)))) && ((((var_1_6 * var_1_8) * var_1_7) <= (var_1_8 - var_1_1)) ? ((var_1_5 <= (var_1_8 + var_1_8)) ? (var_1_10 == ((float) var_1_13)) : 1) : ((var_1_1 >= var_1_1) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13)))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2, var_1_13=2, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=-191, var_1_8=65] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2, var_1_13=2, var_1_1=64, var_1_2=1, var_1_5=1, var_1_6=-33, var_1_7=-191, var_1_8=65] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 11, 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=25occurred 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 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 [2024-11-09 04:49:55,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje --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 4fcc2ce47bc034780fb01758f27a0099ceca40e7fe000487fe647a6fb5f368a8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:49:58,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:49:58,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:49:58,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:49:58,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:49:58,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:49:58,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:49:58,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:49:58,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:49:58,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:49:58,329 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:49:58,329 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:49:58,329 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:49:58,330 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:49:58,330 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:49:58,330 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:49:58,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:49:58,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:49:58,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:49:58,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:49:58,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:49:58,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:49:58,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:49:58,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:49:58,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:49:58,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:49:58,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:49:58,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:49:58,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:49:58,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:49:58,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:49:58,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:49:58,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:49:58,341 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:49:58,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:49:58,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:49:58,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:49:58,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:49:58,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:49:58,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:49:58,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:49:58,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:49:58,347 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:49:58,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fcc2ce47bc034780fb01758f27a0099ceca40e7fe000487fe647a6fb5f368a8 [2024-11-09 04:49:58,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:49:58,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:49:58,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:49:58,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:49:58,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:49:58,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i Unable to find full path for "g++" [2024-11-09 04:50:00,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:50:01,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:50:01,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i [2024-11-09 04:50:01,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data/e4552173c/d8dd9fc73506420f89f03865b2ffac69/FLAGc73223f1a [2024-11-09 04:50:01,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/data/e4552173c/d8dd9fc73506420f89f03865b2ffac69 [2024-11-09 04:50:01,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:50:01,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:50:01,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:01,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:50:01,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:50:01,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457b312b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01, skipping insertion in model container [2024-11-09 04:50:01,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:50:01,421 WARN L250 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_0f98829e-1552-4318-b1d5-71a78341a535/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i[915,928] [2024-11-09 04:50:01,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:01,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:50:01,532 WARN L250 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_0f98829e-1552-4318-b1d5-71a78341a535/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-30.i[915,928] [2024-11-09 04:50:01,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:01,597 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:50:01,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01 WrapperNode [2024-11-09 04:50:01,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:01,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:01,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:50:01,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:50:01,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,660 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-11-09 04:50:01,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:01,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:50:01,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:50:01,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:50:01,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:50:01,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:50:01,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:50:01,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:50:01,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (1/1) ... [2024-11-09 04:50:01,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:50:01,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:01,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:50:01,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:50:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:50:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:50:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:50:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:50:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:50:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:50:01,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:50:01,965 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:50:02,472 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 04:50:02,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:50:02,489 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:50:02,489 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:50:02,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:02 BoogieIcfgContainer [2024-11-09 04:50:02,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:50:02,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:50:02,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:50:02,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:50:02,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:50:01" (1/3) ... [2024-11-09 04:50:02,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d592411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:02, skipping insertion in model container [2024-11-09 04:50:02,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:01" (2/3) ... [2024-11-09 04:50:02,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d592411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:02, skipping insertion in model container [2024-11-09 04:50:02,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:02" (3/3) ... [2024-11-09 04:50:02,500 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-30.i [2024-11-09 04:50:02,520 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:50:02,520 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:50:02,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:50:02,601 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;@284fe05a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:50:02,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:50:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 04:50:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:50:02,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:02,623 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:50:02,624 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:02,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:02,631 INFO L85 PathProgramCache]: Analyzing trace with hash -224234091, now seen corresponding path program 1 times [2024-11-09 04:50:02,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:02,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173559218] [2024-11-09 04:50:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:02,647 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 [2024-11-09 04:50:02,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:02,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:50:02,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:02,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:50:02,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-09 04:50:03,017 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:50:03,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:50:03,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173559218] [2024-11-09 04:50:03,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173559218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:50:03,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:50:03,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:50:03,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62405906] [2024-11-09 04:50:03,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:50:03,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:50:03,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:50:03,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:50:03,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:50:03,058 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:50:03,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:03,096 INFO L93 Difference]: Finished difference Result 77 states and 127 transitions. [2024-11-09 04:50:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:50:03,099 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 04:50:03,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:03,111 INFO L225 Difference]: With dead ends: 77 [2024-11-09 04:50:03,111 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 04:50:03,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:50:03,122 INFO L432 NwaCegarLoop]: 53 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, 53 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 [2024-11-09 04:50:03,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:50:03,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 04:50:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 04:50:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 04:50:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2024-11-09 04:50:03,179 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 74 [2024-11-09 04:50:03,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:03,181 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2024-11-09 04:50:03,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:50:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-09 04:50:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:50:03,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:03,188 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:50:03,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:03,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:03,390 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:03,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:03,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1128730733, now seen corresponding path program 1 times [2024-11-09 04:50:03,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:03,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146125447] [2024-11-09 04:50:03,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:03,393 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 [2024-11-09 04:50:03,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:03,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:50:03,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:03,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 04:50:03,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 04:50:13,399 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:50:13,400 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:50:13,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146125447] [2024-11-09 04:50:13,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146125447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:50:13,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:50:13,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 04:50:13,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663768626] [2024-11-09 04:50:13,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:50:13,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:50:13,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:50:13,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:50:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:50:13,410 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:50:18,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:50:18,538 INFO L93 Difference]: Finished difference Result 109 states and 144 transitions. [2024-11-09 04:50:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 04:50:18,543 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 04:50:18,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:50:18,545 INFO L225 Difference]: With dead ends: 109 [2024-11-09 04:50:18,546 INFO L226 Difference]: Without dead ends: 74 [2024-11-09 04:50:18,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-11-09 04:50:18,548 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 104 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:50:18,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 177 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 04:50:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-09 04:50:18,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 49. [2024-11-09 04:50:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 04:50:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2024-11-09 04:50:18,567 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 74 [2024-11-09 04:50:18,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:50:18,567 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-11-09 04:50:18,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:50:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-11-09 04:50:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:50:18,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:18,570 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:50:18,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:50:18,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:18,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:50:18,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:18,772 INFO L85 PathProgramCache]: Analyzing trace with hash -892309357, now seen corresponding path program 1 times [2024-11-09 04:50:18,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:50:18,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917257577] [2024-11-09 04:50:18,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:18,773 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 [2024-11-09 04:50:18,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:50:18,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:50:18,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:50:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:19,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 04:50:19,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 132 proven. 15 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-09 04:50:25,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:51:07,418 WARN L286 SmtUtils]: Spent 20.14s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:51:50,612 WARN L286 SmtUtils]: Spent 22.15s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:52:27,483 WARN L286 SmtUtils]: Spent 15.97s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:53:01,857 WARN L286 SmtUtils]: Spent 19.99s on a formula simplification. DAG size of input: 85 DAG size of output: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:53:25,991 WARN L286 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:53:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 04:53:39,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:53:39,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917257577] [2024-11-09 04:53:39,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917257577] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:53:39,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:53:39,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 26 [2024-11-09 04:53:39,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133392723] [2024-11-09 04:53:39,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:53:39,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 04:53:39,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:53:39,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 04:53:39,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=530, Unknown=4, NotChecked=0, Total=650 [2024-11-09 04:53:39,410 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:53:44,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:54:17,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:54:20,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:54:27,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:54:29,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:54:31,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:54:44,784 WARN L286 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 76 DAG size of output: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:54:46,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:07,992 WARN L286 SmtUtils]: Spent 18.49s on a formula simplification. DAG size of input: 93 DAG size of output: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:55:11,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:14,545 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ zero_extend 24) c_~var_1_1~0))) (let ((.cse14 (bvneg .cse13)) (.cse20 ((_ zero_extend 24) c_~var_1_7~0))) (let ((.cse18 (= (_ bv0 8) c_~var_1_2~0)) (.cse6 ((_ sign_extend 16) c_~var_1_5~0)) (.cse45 (bvadd .cse14 .cse20))) (let ((.cse21 (bvadd c_~var_1_8~0 .cse14)) (.cse37 (forall ((~var_1_6~0 (_ BitVec 16))) (bvsle (bvmul (bvmul ((_ sign_extend 16) ~var_1_6~0) .cse20) .cse20) .cse45))) (.cse7 (fp.eq c_~var_1_13~0 c_~var_1_13~0)) (.cse31 (bvadd (bvneg .cse20) .cse13)) (.cse47 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse49 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse49))) (bvsle (bvmul (bvmul .cse49 .cse20) .cse20) .cse45))))) (.cse17 (= .cse13 .cse20)) (.cse22 (not .cse18))) (let ((.cse4 (bvslt .cse13 .cse6)) (.cse39 (or (and (or .cse17 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse48 ((_ sign_extend 16) ~var_1_6~0))) (or (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse48)) (bvsle (bvmul (bvmul .cse48 .cse20) .cse20) .cse45))))) (or .cse47 .cse17)) .cse22)) (.cse40 (or .cse47 .cse17 .cse18)) (.cse2 (bvslt .cse20 .cse13)) (.cse36 (= .cse31 .cse20)) (.cse34 (or .cse47 .cse18)) (.cse35 (or (and (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse44 ((_ sign_extend 16) ~var_1_6~0))) (or (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse44)))) (bvsle (bvmul (bvmul .cse44 .cse20) .cse20) .cse45)))) (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse46 ((_ sign_extend 16) ~var_1_6~0))) (or (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse46))) (bvsle (bvmul (bvmul .cse46 .cse20) .cse20) .cse45))))) .cse22)) (.cse38 (or .cse37 .cse7)) (.cse29 (= c_~var_1_8~0 .cse20)) (.cse15 (forall ((~var_1_6~0 (_ BitVec 16))) (bvsle (bvmul (bvmul c_~var_1_8~0 ((_ sign_extend 16) ~var_1_6~0)) .cse20) .cse21)))) (let ((.cse8 (or .cse29 .cse15)) (.cse10 (or .cse15 .cse7)) (.cse16 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse43 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse43))) (bvsle (bvmul (bvmul c_~var_1_8~0 .cse43) .cse20) .cse21))))) (.cse0 (and (or (let ((.cse41 (bvsle .cse6 (bvmul (_ bv2 32) .cse20))) (.cse42 (and .cse34 .cse35))) (and (or (not .cse41) .cse42) .cse38 (or .cse41 .cse42))) .cse36) (or (not .cse36) (and .cse34 .cse35 .cse38)))) (.cse1 (not .cse2)) (.cse3 (and .cse39 .cse38 .cse40)) (.cse12 (not .cse4))) (and (or (and (or .cse0 .cse1) (or .cse2 .cse3)) .cse4) (or (forall ((~var_1_7~0 (_ BitVec 8)) (~var_1_6~0 (_ BitVec 16))) (let ((.cse5 ((_ zero_extend 24) ~var_1_7~0))) (or (bvsle (bvmul .cse5 (bvmul .cse5 ((_ sign_extend 16) ~var_1_6~0))) (bvadd (bvneg .cse5) .cse5)) (bvslt .cse5 .cse6)))) .cse7) (or .cse2 (let ((.cse9 (or (and (or .cse17 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse19 ((_ sign_extend 16) ~var_1_6~0))) (or (bvsle (bvmul (bvmul c_~var_1_8~0 .cse19) .cse20) .cse21) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse19)))))) (or .cse16 .cse17)) .cse22)) (.cse11 (or .cse16 .cse17 .cse18))) (and (or (and .cse8 .cse9 .cse10 .cse11) .cse4) (or .cse12 (and .cse9 .cse10 (or (= c_~var_1_8~0 (bvadd .cse13 .cse14)) .cse15) .cse11))))) (or .cse1 (let ((.cse26 (or .cse16 .cse18)) (.cse27 (or (and (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse32 ((_ sign_extend 16) ~var_1_6~0))) (or (bvsle (bvmul (bvmul c_~var_1_8~0 .cse32) .cse20) .cse21) (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse32))))))) (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse33 ((_ sign_extend 16) ~var_1_6~0))) (or (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse6) .cse33))) (bvsle (bvmul (bvmul c_~var_1_8~0 .cse33) .cse20) .cse21))))) .cse22))) (let ((.cse28 (and .cse26 .cse27)) (.cse30 (bvsle .cse6 (bvmul (_ bv2 32) c_~var_1_8~0)))) (let ((.cse25 (= c_~var_1_8~0 .cse31)) (.cse23 (or .cse28 .cse30)) (.cse24 (or (not .cse30) .cse28))) (and (or (and (or (and .cse8 .cse10 .cse23 .cse24) .cse25) (or (not .cse25) (and .cse8 .cse26 .cse27 .cse10))) .cse4) (or .cse12 (and (or .cse28 (not .cse29)) .cse10 (or .cse15 .cse25) (or .cse29 (and .cse23 .cse24))))))))) (or (and (or (and (or .cse0 .cse4) (or (and .cse34 .cse35 (or .cse36 .cse37) .cse38) .cse12)) .cse1) (or .cse2 (and (or .cse3 .cse4) (or .cse12 (and .cse39 .cse37 .cse38 .cse40))))) (bvslt ((_ zero_extend 24) |c_ULTIMATE.start_step_~stepLocal_1~0#1|) .cse6))))))))) is different from true [2024-11-09 04:55:16,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:20,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:22,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:25,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:31,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:33,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:35,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:40,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:45,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:50,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:52,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:55:55,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:56:30,440 WARN L286 SmtUtils]: Spent 27.34s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:56:31,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:56:33,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:56:36,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:56:38,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:19,277 WARN L286 SmtUtils]: Spent 32.04s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:57:21,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:23,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:26,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:28,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:30,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:33,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:35,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:37,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:38,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:41,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:44,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:46,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:48,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 04:57:48,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:48,679 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2024-11-09 04:57:48,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 04:57:48,683 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 04:57:48,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:48,685 INFO L225 Difference]: With dead ends: 90 [2024-11-09 04:57:48,685 INFO L226 Difference]: Without dead ends: 88 [2024-11-09 04:57:48,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 248.9s TimeCoverageRelationStatistics Valid=151, Invalid=713, Unknown=10, NotChecked=56, Total=930 [2024-11-09 04:57:48,687 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 106 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 14 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 139.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:48,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 220 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 307 Invalid, 18 Unknown, 21 Unchecked, 139.2s Time] [2024-11-09 04:57:48,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-09 04:57:48,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 66. [2024-11-09 04:57:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 50 states have internal predecessors, (61), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:57:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2024-11-09 04:57:48,705 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 74 [2024-11-09 04:57:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:48,706 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2024-11-09 04:57:48,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:57:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2024-11-09 04:57:48,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:57:48,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:48,709 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:48,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 04:57:48,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:57:48,913 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:48,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1391229201, now seen corresponding path program 1 times [2024-11-09 04:57:48,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:57:48,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053678207] [2024-11-09 04:57:48,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:48,915 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 [2024-11-09 04:57:48,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:57:48,918 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:57:48,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:57:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:49,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:57:49,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 114 proven. 18 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 04:57:50,498 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:57:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 04:57:51,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:57:51,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053678207] [2024-11-09 04:57:51,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053678207] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:57:51,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:57:51,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-09 04:57:51,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849152889] [2024-11-09 04:57:51,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:57:51,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:57:51,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:57:51,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:57:51,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:57:51,503 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:57:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:57:53,408 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2024-11-09 04:57:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:57:53,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-09 04:57:53,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:57:53,412 INFO L225 Difference]: With dead ends: 190 [2024-11-09 04:57:53,412 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 04:57:53,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 04:57:53,414 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 70 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:57:53,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 161 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 04:57:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 04:57:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 59. [2024-11-09 04:57:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 04:57:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions. [2024-11-09 04:57:53,429 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 74 [2024-11-09 04:57:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:57:53,429 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions. [2024-11-09 04:57:53,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 04:57:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2024-11-09 04:57:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 04:57:53,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:57:53,431 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:57:53,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 04:57:53,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:57:53,632 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:57:53,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:57:53,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1393076243, now seen corresponding path program 1 times [2024-11-09 04:57:53,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:57:53,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586180774] [2024-11-09 04:57:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:57:53,634 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 [2024-11-09 04:57:53,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:57:53,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:57:53,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f98829e-1552-4318-b1d5-71a78341a535/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 04:57:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:57:53,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 04:57:53,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:57:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 114 proven. 18 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 04:57:59,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:58:25,778 WARN L286 SmtUtils]: Spent 8.80s on a formula simplification. DAG size of input: 64 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:58:38,921 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:59:05,873 WARN L286 SmtUtils]: Spent 12.19s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:59:51,259 WARN L286 SmtUtils]: Spent 25.52s on a formula simplification. DAG size of input: 82 DAG size of output: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:00:21,404 WARN L286 SmtUtils]: Spent 11.14s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:00:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 05:00:22,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:00:22,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586180774] [2024-11-09 05:00:22,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586180774] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:00:22,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:00:22,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2024-11-09 05:00:22,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779003145] [2024-11-09 05:00:22,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:22,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:00:22,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:00:22,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:00:22,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=245, Unknown=4, NotChecked=0, Total=306 [2024-11-09 05:00:22,208 INFO L87 Difference]: Start difference. First operand 59 states and 77 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-09 05:00:24,466 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 24) c_~var_1_7~0)) (.cse46 ((_ zero_extend 24) c_~var_1_1~0))) (let ((.cse39 (bvneg .cse46)) (.cse47 (bvneg .cse3)) (.cse24 (= (_ bv0 8) c_~var_1_2~0))) (let ((.cse23 (not .cse24)) (.cse2 (bvadd .cse47 .cse46)) (.cse4 (bvadd .cse47 .cse46 .cse39)) (.cse40 (bvadd .cse46 .cse39)) (.cse43 (bvadd .cse46 (bvmul (_ bv2 32) .cse39))) (.cse0 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse25 (bvslt .cse3 .cse46)) (.cse16 (= c_~var_1_8~0 .cse3)) (.cse6 (bvslt .cse46 .cse0)) (.cse26 (= .cse46 .cse3)) (.cse41 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse51 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse51))) (not (bvsle (bvmul .cse3 (bvmul .cse51 .cse40)) .cse43)))))) (.cse1 (or (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse50 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse50))) (not (bvsle (bvmul (bvmul .cse2 .cse50) .cse3) .cse4))))) .cse24)) (.cse5 (or (and (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse48 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul .cse2 .cse48) .cse3) .cse4)) (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse48))))))) (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse49 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul .cse2 .cse49) .cse3) .cse4)) (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse49))))))) .cse23))) (let ((.cse10 (bvsle .cse0 (bvadd (bvmul (_ bv2 32) .cse46) (bvmul (_ bv2 32) .cse47)))) (.cse8 (let ((.cse44 (= .cse2 .cse3)) (.cse45 (and .cse1 .cse5))) (and (or .cse44 .cse45) (or (not .cse44) .cse45)))) (.cse11 (or (and (or .cse26 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse42 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul .cse3 (bvmul .cse42 .cse40)) .cse43)) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse42)))))) (or .cse26 .cse41)) .cse23)) (.cse12 (or .cse26 .cse41 .cse24)) (.cse7 (not .cse6)) (.cse19 (not .cse16)) (.cse20 (= c_~var_1_8~0 .cse2)) (.cse9 (not .cse25)) (.cse27 (= c_~var_1_8~0 .cse40)) (.cse29 (bvadd c_~var_1_8~0 .cse39)) (.cse13 (bvsle .cse0 (bvmul (_ bv2 32) c_~var_1_8~0)))) (and (or (not (bvslt ((_ zero_extend 24) |c_ULTIMATE.start_step_~stepLocal_1~0#1|) .cse0)) (and (or (and (or (and .cse1 (forall ((~var_1_6~0 (_ BitVec 16))) (not (bvsle (bvmul (bvmul .cse2 ((_ sign_extend 16) ~var_1_6~0)) .cse3) .cse4))) .cse5) .cse6) (or .cse7 .cse8)) .cse9 .cse10) .cse11 .cse12)) (or .cse13 (let ((.cse28 ((_ sign_extend 16) c_~var_1_6~0))) (let ((.cse21 (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse28)))) (.cse14 (bvsle (bvmul (bvmul c_~var_1_8~0 .cse28) .cse3) .cse29)) (.cse22 (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse28)))))) (and (or (let ((.cse15 (or .cse22 .cse24)) (.cse17 (or (and .cse21 .cse22) .cse23))) (and .cse14 (or .cse6 (and .cse15 .cse16 .cse17)) (or .cse7 (let ((.cse18 (and .cse15 .cse17))) (and (or .cse16 .cse18) (or .cse19 .cse18) .cse20))))) .cse9) (or .cse25 (and (or .cse23 (and (or .cse26 .cse22) (or .cse26 .cse21))) .cse14 .cse27 (or .cse26 .cse22 .cse24))))))) (or .cse7 (and (or .cse9 .cse10 .cse8) .cse11 .cse12)) (or (let ((.cse30 (forall ((~var_1_6~0 (_ BitVec 16))) (not (bvsle (bvmul (bvmul c_~var_1_8~0 ((_ sign_extend 16) ~var_1_6~0)) .cse3) .cse29)))) (.cse34 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse38 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse38))) (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse38) .cse3) .cse29))))))) (and (or (let ((.cse31 (or (and (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse35 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse35) .cse3) .cse29)) (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse35))))))) (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse36 ((_ sign_extend 16) ~var_1_6~0))) (or (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse36))) (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse36) .cse3) .cse29)))))) .cse23)) (.cse32 (or .cse34 .cse24))) (and (or (and (or .cse30 .cse16) .cse31 .cse32) .cse6) (or .cse7 (let ((.cse33 (and .cse31 .cse32))) (and (or .cse19 .cse33) (or .cse30 .cse20) (or .cse16 .cse33)))))) .cse9) (or .cse25 (and (or .cse30 .cse27) (or .cse34 .cse26 .cse24) (or (and (or .cse26 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse37 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse37) .cse3) .cse29)) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse0) .cse37)))))) (or .cse34 .cse26)) .cse23))))) .cse13))))))) is different from true [2024-11-09 05:00:27,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:29,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:37,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:39,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:41,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:42,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:44,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:49,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:52,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:00:55,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:01:00,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:01:25,310 WARN L286 SmtUtils]: Spent 22.03s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:01:27,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:01:29,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:02:11,171 WARN L286 SmtUtils]: Spent 35.81s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:02:16,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:02:19,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:02:23,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:02:27,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:02:30,823 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse22 ((_ zero_extend 24) c_~var_1_1~0)) (.cse20 ((_ zero_extend 24) c_~var_1_7~0))) (let ((.cse18 ((_ sign_extend 16) c_~var_1_5~0)) (.cse23 (bvneg .cse20)) (.cse31 (bvneg .cse22))) (let ((.cse13 (= (_ bv0 8) c_~var_1_2~0)) (.cse33 (bvadd .cse22 .cse31)) (.cse15 (bvslt .cse20 .cse22)) (.cse27 (bvadd .cse23 .cse22)) (.cse4 (= c_~var_1_8~0 .cse20)) (.cse2 (bvslt .cse22 .cse18))) (let ((.cse6 (not .cse2)) (.cse8 (not .cse4)) (.cse9 (= c_~var_1_8~0 .cse27)) (.cse14 (not .cse15)) (.cse17 (= c_~var_1_8~0 .cse33)) (.cse16 (= .cse22 .cse20)) (.cse12 (not .cse13)) (.cse21 (bvadd c_~var_1_8~0 .cse31)) (.cse0 (bvsle .cse18 (bvmul (_ bv2 32) c_~var_1_8~0)))) (and (or .cse0 (let ((.cse19 ((_ sign_extend 16) c_~var_1_6~0))) (let ((.cse10 (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse19)))) (.cse1 (bvsle (bvmul (bvmul c_~var_1_8~0 .cse19) .cse20) .cse21)) (.cse11 (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse19)))))) (and (or (let ((.cse3 (or .cse11 .cse13)) (.cse5 (or (and .cse10 .cse11) .cse12))) (and .cse1 (or .cse2 (and .cse3 .cse4 .cse5)) (or .cse6 (let ((.cse7 (and .cse3 .cse5))) (and (or .cse4 .cse7) (or .cse8 .cse7) .cse9))))) .cse14) (or .cse15 (and (or .cse12 (and (or .cse16 .cse11) (or .cse16 .cse10))) .cse1 .cse17 (or .cse16 .cse11 .cse13))))))) (or .cse6 (let ((.cse34 (bvadd .cse22 (bvmul (_ bv2 32) .cse31)))) (let ((.cse35 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse36 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse36))) (not (bvsle (bvmul .cse20 (bvmul .cse36 .cse33)) .cse34))))))) (and (or .cse14 (bvsle .cse18 (bvadd (bvmul (_ bv2 32) .cse22) (bvmul (_ bv2 32) .cse23))) (let ((.cse24 (= .cse27 .cse20)) (.cse25 (let ((.cse28 (bvadd .cse23 .cse22 .cse31))) (and (or (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse26 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse26))) (not (bvsle (bvmul (bvmul .cse27 .cse26) .cse20) .cse28))))) .cse13) (or (and (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse29 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul .cse27 .cse29) .cse20) .cse28)) (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse29))))))) (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse30 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul .cse27 .cse30) .cse20) .cse28)) (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse30))))))) .cse12))))) (and (or .cse24 .cse25) (or (not .cse24) .cse25)))) (or (and (or .cse16 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse32 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul .cse20 (bvmul .cse32 .cse33)) .cse34)) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse32)))))) (or .cse16 .cse35)) .cse12) (or .cse16 .cse35 .cse13))))) (or (let ((.cse37 (forall ((~var_1_6~0 (_ BitVec 16))) (not (bvsle (bvmul (bvmul c_~var_1_8~0 ((_ sign_extend 16) ~var_1_6~0)) .cse20) .cse21)))) (.cse41 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse45 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse45))) (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse45) .cse20) .cse21))))))) (and (or (let ((.cse38 (or (and (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse42 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse42) .cse20) .cse21)) (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (not (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse42))))))) (forall ((~var_1_6~0 (_ BitVec 16))) (let ((.cse43 ((_ sign_extend 16) ~var_1_6~0))) (or (forall ((~last_1_var_1_8~0 (_ BitVec 32))) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse43))) (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse43) .cse20) .cse21)))))) .cse12)) (.cse39 (or .cse41 .cse13))) (and (or (and (or .cse37 .cse4) .cse38 .cse39) .cse2) (or .cse6 (let ((.cse40 (and .cse38 .cse39))) (and (or .cse8 .cse40) (or .cse37 .cse9) (or .cse4 .cse40)))))) .cse14) (or .cse15 (and (or .cse37 .cse17) (or .cse41 .cse16 .cse13) (or (and (or .cse16 (forall ((~var_1_6~0 (_ BitVec 16)) (~last_1_var_1_8~0 (_ BitVec 32))) (let ((.cse44 ((_ sign_extend 16) ~var_1_6~0))) (or (not (bvsle (bvmul (bvmul c_~var_1_8~0 .cse44) .cse20) .cse21)) (bvsgt ~last_1_var_1_8~0 (bvsrem (bvsdiv ~last_1_var_1_8~0 .cse18) .cse44)))))) (or .cse41 .cse16)) .cse12))))) .cse0)))))) is different from true [2024-11-09 05:02:34,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:02:35,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:02:37,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:17,222 WARN L286 SmtUtils]: Spent 33.36s on a formula simplification. DAG size of input: 96 DAG size of output: 127 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:03:18,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:19,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:22,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:24,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:26,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:28,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:30,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:45,932 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:03:47,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:03:49,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:04:19,814 WARN L286 SmtUtils]: Spent 21.20s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:04:21,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:04:23,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:04:25,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:04:27,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:04:29,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:04:52,701 WARN L286 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:04:55,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:04:57,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:05:00,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:05:02,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:05:04,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-09 05:05:06,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]