./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh --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 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:11:49,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:11:49,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:11:49,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:11:49,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:11:49,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:11:49,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:11:49,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:11:49,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:11:49,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:11:49,613 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:11:49,614 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:11:49,614 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:11:49,615 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:11:49,615 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:11:49,616 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:11:49,616 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:11:49,617 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:11:49,617 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:11:49,618 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:11:49,618 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:11:49,619 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:11:49,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:11:49,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:11:49,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:11:49,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:11:49,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:11:49,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:11:49,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:11:49,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:11:49,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:11:49,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:11:49,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:11:49,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:11:49,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:11:49,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:11:49,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:11:49,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:11:49,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:11:49,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:11:49,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:11:49,626 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:11:49,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:11:49,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:11:49,627 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:11:49,627 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:11:49,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:11:49,627 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_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a [2023-12-02 13:11:49,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:11:49,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:11:49,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:11:49,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:11:49,850 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:11:49,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2023-12-02 13:11:52,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:11:52,761 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:11:52,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2023-12-02 13:11:52,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data/2f4d8a47f/73d4c960119545138469b75216e47d0a/FLAG6b390cbe8 [2023-12-02 13:11:52,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data/2f4d8a47f/73d4c960119545138469b75216e47d0a [2023-12-02 13:11:52,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:11:52,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:11:52,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:11:52,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:11:52,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:11:52,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:52" (1/1) ... [2023-12-02 13:11:52,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2381c4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:52, skipping insertion in model container [2023-12-02 13:11:52,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:52" (1/1) ... [2023-12-02 13:11:52,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:11:52,947 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2023-12-02 13:11:53,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:11:53,015 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:11:53,026 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2023-12-02 13:11:53,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:11:53,087 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:11:53,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53 WrapperNode [2023-12-02 13:11:53,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:11:53,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:11:53,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:11:53,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:11:53,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,152 INFO L138 Inliner]: procedures = 29, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 478 [2023-12-02 13:11:53,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:11:53,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:11:53,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:11:53,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:11:53,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:11:53,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:11:53,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:11:53,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:11:53,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (1/1) ... [2023-12-02 13:11:53,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:11:53,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:11:53,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:11:53,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:11:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:11:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 13:11:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:11:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 13:11:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:11:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 13:11:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:11:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:11:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:11:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:11:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:11:53,382 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:11:53,384 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:11:53,832 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:11:54,351 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:11:54,351 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:11:54,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:54 BoogieIcfgContainer [2023-12-02 13:11:54,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:11:54,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:11:54,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:11:54,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:11:54,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:11:52" (1/3) ... [2023-12-02 13:11:54,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727cad13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:54, skipping insertion in model container [2023-12-02 13:11:54,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:53" (2/3) ... [2023-12-02 13:11:54,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727cad13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:54, skipping insertion in model container [2023-12-02 13:11:54,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:54" (3/3) ... [2023-12-02 13:11:54,362 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-72.i [2023-12-02 13:11:54,381 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:11:54,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:11:54,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:11:54,437 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b1267f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:11:54,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:11:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:11:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 13:11:54,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:11:54,453 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:11:54,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:11:54,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:11:54,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1635480573, now seen corresponding path program 1 times [2023-12-02 13:11:54,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:11:54,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297703389] [2023-12-02 13:11:54,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:11:54,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:11:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:11:55,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:11:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:11:56,033 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:11:56,035 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:11:56,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:11:56,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:11:56,044 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:11:56,049 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:11:56,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 13:11:56,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 13:11:56,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 13:11:56,085 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 13:11:56,085 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 13:11:56,085 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 13:11:56,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 13:11:56,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 13:11:56,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 13:11:56,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 13:11:56,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 13:11:56,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 13:11:56,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:11:56,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:11:56,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 13:11:56,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 13:11:56,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 13:11:56,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 13:11:56,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 13:11:56,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 13:11:56,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:11:56,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:11:56,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 13:11:56,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 13:11:56,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 13:11:56,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 13:11:56,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 13:11:56,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-12-02 13:11:56,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-12-02 13:11:56,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-12-02 13:11:56,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:11:56,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 13:11:56,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 13:11:56,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 13:11:56,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-12-02 13:11:56,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-12-02 13:11:56,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-12-02 13:11:56,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:11:56,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 13:11:56,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 13:11:56,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:11:56,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 13:11:56,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-12-02 13:11:56,098 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 13:11:56,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 13:11:56,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-12-02 13:11:56,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:11:56,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 13:11:56,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 13:11:56,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-12-02 13:11:56,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:11:56,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:11:56,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-12-02 13:11:56,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 13:11:56,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-12-02 13:11:56,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-12-02 13:11:56,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-12-02 13:11:56,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-12-02 13:11:56,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-12-02 13:11:56,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-12-02 13:11:56,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-12-02 13:11:56,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-12-02 13:11:56,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-12-02 13:11:56,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-12-02 13:11:56,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-12-02 13:11:56,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-12-02 13:11:56,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-12-02 13:11:56,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-12-02 13:11:56,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-12-02 13:11:56,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-12-02 13:11:56,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-12-02 13:11:56,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-12-02 13:11:56,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-12-02 13:11:56,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-12-02 13:11:56,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-12-02 13:11:56,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-12-02 13:11:56,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-12-02 13:11:56,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-12-02 13:11:56,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-12-02 13:11:56,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-12-02 13:11:56,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-12-02 13:11:56,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-12-02 13:11:56,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:11:56 BoogieIcfgContainer [2023-12-02 13:11:56,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:11:56,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:11:56,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:11:56,131 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:11:56,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:54" (3/4) ... [2023-12-02 13:11:56,133 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:11:56,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:11:56,136 INFO L158 Benchmark]: Toolchain (without parser) took 3350.51ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 91.8MB in the beginning and 51.9MB in the end (delta: 39.9MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2023-12-02 13:11:56,137 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:11:56,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.29ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 74.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 13:11:56,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.03ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 70.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:11:56,139 INFO L158 Benchmark]: Boogie Preprocessor took 59.39ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 67.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:11:56,140 INFO L158 Benchmark]: RCFGBuilder took 1139.94ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-12-02 13:11:56,141 INFO L158 Benchmark]: TraceAbstraction took 1774.16ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 64.7MB in the beginning and 51.9MB in the end (delta: 12.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-12-02 13:11:56,141 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 178.3MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:11:56,144 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.29ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 74.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.03ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 70.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.39ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 67.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1139.94ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1774.16ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 64.7MB in the beginning and 51.9MB in the end (delta: 12.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 178.3MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryArithmeticDOUBLEoperation at line 77. Possible FailurePath: [L41] unsigned char isInitial = 0; [L42-L60] struct WrapperStruct00 WrapperStruct00 = { 1, 0, 1, 0, 2, -16, -2, -10, 4, 256.4, 0.25, 100000000000.2, 50.5, 9.5, 100000000000.4, 4, 10000 }; [L61] unsigned char last_1_WrapperStruct00_var_1_1 = 1; [L62] double last_1_WrapperStruct00_var_1_15 = 256.4; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L114] EXPR WrapperStruct00.var_1_1 [L114] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L115] EXPR WrapperStruct00.var_1_15 [L115] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L125] RET updateLastVariables() [L126] CALL updateVariables() [L85] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L88] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L91] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L94] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L95] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L97] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L98] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L100] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L101] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L103] WrapperStruct00.var_1_16 = __VERIFIER_nondet_float() [L104] EXPR WrapperStruct00.var_1_16 [L104] EXPR WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F [L104] EXPR (WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) [L104] EXPR WrapperStruct00.var_1_16 [L104] EXPR WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F [L104] EXPR WrapperStruct00.var_1_16 [L104] EXPR WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F [L104] EXPR (WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_16 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_16 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L106] WrapperStruct00.var_1_17 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F [L107] EXPR (WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F ) [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F [L107] EXPR (WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L108] WrapperStruct00.var_1_18 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_18 [L109] EXPR WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_18 [L109] EXPR WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F [L109] EXPR (WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L110] WrapperStruct00.var_1_19 = __VERIFIER_nondet_double() [L111] EXPR WrapperStruct00.var_1_19 [L111] EXPR WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_19 [L111] EXPR WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L126] RET updateVariables() [L127] CALL step() [L66] WrapperStruct00.var_1_9 [L66] COND FALSE !(WrapperStruct00.var_1_9) [L69] EXPR WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_13 [L69] EXPR WrapperStruct00.var_1_14 [L69] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) [L69] EXPR WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_13 [L69] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) [L69] WrapperStruct00.var_1_11 = (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)))) [L70] EXPR WrapperStruct00.var_1_19 [L70] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_19 [L71] WrapperStruct00.var_1_21 = 1 [L72] WrapperStruct00.var_1_22 = 10 [L73] EXPR WrapperStruct00.var_1_20 [L73] EXPR WrapperStruct00.var_1_20 [L73] EXPR WrapperStruct00.var_1_16 [L73] EXPR WrapperStruct00.var_1_20 [L73] COND TRUE (WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20 [L74] EXPR WrapperStruct00.var_1_20 [L74] COND FALSE !(WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) [L77] EXPR WrapperStruct00.var_1_17 [L77] EXPR WrapperStruct00.var_1_19 [L77] EXPR ((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19)) [L77] EXPR WrapperStruct00.var_1_17 [L77] EXPR ((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19)) [L77] WrapperStruct00.var_1_15 = ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19)))) [L80] EXPR WrapperStruct00.var_1_20 [L80] EXPR WrapperStruct00.var_1_15 [L80] EXPR WrapperStruct00.var_1_15 [L80] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L80] EXPR WrapperStruct00.var_1_15 [L80] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L80] EXPR WrapperStruct00.var_1_15 [L80] COND FALSE !(WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR WrapperStruct00.var_1_20 [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR (WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1 [L118] EXPR ((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1) [L118] EXPR WrapperStruct00.var_1_9 [L118] EXPR WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1 [L118] EXPR ((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1) [L118] EXPR (((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)))))) [L118] EXPR WrapperStruct00.var_1_11 [L118] EXPR WrapperStruct00.var_1_12 [L118] EXPR WrapperStruct00.var_1_13 [L118] EXPR WrapperStruct00.var_1_14 [L118] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) [L118] EXPR WrapperStruct00.var_1_12 [L118] EXPR WrapperStruct00.var_1_13 [L118] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) [L118] EXPR (((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)))))) [L118] EXPR ((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1) [L118] EXPR WrapperStruct00.var_1_20 [L118] EXPR WrapperStruct00.var_1_20 [L118] EXPR WrapperStruct00.var_1_16 [L118] EXPR WrapperStruct00.var_1_20 [L118] EXPR ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1 [L118] EXPR WrapperStruct00.var_1_20 [L118] EXPR (WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19)))))) [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR WrapperStruct00.var_1_17 [L118] EXPR WrapperStruct00.var_1_18 [L118] EXPR WrapperStruct00.var_1_19 [L118] EXPR (((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12) [L118] EXPR WrapperStruct00.var_1_18 [L118] EXPR WrapperStruct00.var_1_19 [L118] EXPR (((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12) [L118] EXPR (WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19)))))) [L118] EXPR ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1 [L118] EXPR ((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1) [L118] EXPR (((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19)) [L118] EXPR ((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1)) [L118] EXPR (((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1))) && (WrapperStruct00.var_1_22 == ((unsigned short int) 10)) [L118-L119] return (((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1))) && (WrapperStruct00.var_1_22 == ((unsigned short int) 10)) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:11:56,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh --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 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:11:58,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:11:58,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:11:58,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:11:58,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:11:58,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:11:58,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:11:58,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:11:58,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:11:58,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:11:58,215 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:11:58,216 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:11:58,216 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:11:58,217 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:11:58,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:11:58,218 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:11:58,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:11:58,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:11:58,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:11:58,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:11:58,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:11:58,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:11:58,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:11:58,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:11:58,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:11:58,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:11:58,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:11:58,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:11:58,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:11:58,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:11:58,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:11:58,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:11:58,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:11:58,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:11:58,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:11:58,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:11:58,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:11:58,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:11:58,228 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:11:58,228 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:11:58,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:11:58,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:11:58,229 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:11:58,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:11:58,229 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a [2023-12-02 13:11:58,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:11:58,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:11:58,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:11:58,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:11:58,561 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:11:58,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2023-12-02 13:12:01,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:12:01,567 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:12:01,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2023-12-02 13:12:01,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data/aee4e81da/fbf8c6d0e0554f6aafa21701c6fcbe0f/FLAG1da919219 [2023-12-02 13:12:01,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/data/aee4e81da/fbf8c6d0e0554f6aafa21701c6fcbe0f [2023-12-02 13:12:01,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:12:01,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:12:01,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:12:01,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:12:01,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:12:01,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:01,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319a2d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01, skipping insertion in model container [2023-12-02 13:12:01,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:01,642 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:12:01,822 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2023-12-02 13:12:01,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:12:01,894 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:12:01,908 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2023-12-02 13:12:01,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:12:01,982 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:12:01,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01 WrapperNode [2023-12-02 13:12:01,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:12:01,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:12:01,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:12:01,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:12:01,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,051 INFO L138 Inliner]: procedures = 39, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 475 [2023-12-02 13:12:02,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:12:02,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:12:02,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:12:02,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:12:02,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:12:02,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:12:02,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:12:02,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:12:02,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (1/1) ... [2023-12-02 13:12:02,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:12:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:12:02,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:12:02,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 13:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 13:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 13:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 13:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 13:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 13:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 13:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 13:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 13:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 13:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 13:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:12:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:12:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 13:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 13:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 13:12:02,313 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:12:02,315 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:12:21,939 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:12:21,985 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:12:21,986 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:12:21,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:21 BoogieIcfgContainer [2023-12-02 13:12:21,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:12:21,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:12:21,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:12:21,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:12:21,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:12:01" (1/3) ... [2023-12-02 13:12:21,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f2006a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:21, skipping insertion in model container [2023-12-02 13:12:21,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:12:01" (2/3) ... [2023-12-02 13:12:21,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f2006a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:21, skipping insertion in model container [2023-12-02 13:12:21,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:21" (3/3) ... [2023-12-02 13:12:21,996 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-72.i [2023-12-02 13:12:22,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:12:22,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:12:22,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:12:22,073 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76e41c12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:12:22,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:12:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 101 states have (on average 1.4455445544554455) internal successors, (146), 102 states have internal predecessors, (146), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:12:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 13:12:22,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:22,108 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:12:22,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:22,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:22,114 INFO L85 PathProgramCache]: Analyzing trace with hash -881856283, now seen corresponding path program 1 times [2023-12-02 13:12:22,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:22,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895387593] [2023-12-02 13:12:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:22,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:22,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:22,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:22,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:12:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:23,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:12:23,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-12-02 13:12:23,597 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:23,597 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:23,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895387593] [2023-12-02 13:12:23,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895387593] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:23,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:23,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:12:23,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139749925] [2023-12-02 13:12:23,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:23,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:12:23,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:23,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:12:23,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:12:23,632 INFO L87 Difference]: Start difference. First operand has 121 states, 101 states have (on average 1.4455445544554455) internal successors, (146), 102 states have internal predecessors, (146), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:12:23,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:23,706 INFO L93 Difference]: Finished difference Result 239 states and 375 transitions. [2023-12-02 13:12:23,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:12:23,709 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2023-12-02 13:12:23,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:23,717 INFO L225 Difference]: With dead ends: 239 [2023-12-02 13:12:23,717 INFO L226 Difference]: Without dead ends: 119 [2023-12-02 13:12:23,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:12:23,724 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:23,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:12:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-02 13:12:23,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-12-02 13:12:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 100 states have (on average 1.41) internal successors, (141), 100 states have internal predecessors, (141), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:12:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2023-12-02 13:12:23,769 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 144 [2023-12-02 13:12:23,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:23,769 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2023-12-02 13:12:23,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:12:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2023-12-02 13:12:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 13:12:23,774 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:23,774 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:12:23,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:12:23,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:23,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:23,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2029423183, now seen corresponding path program 1 times [2023-12-02 13:12:23,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:23,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642636907] [2023-12-02 13:12:23,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:23,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:23,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:23,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:23,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:12:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:25,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:12:25,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:12:25,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:25,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:25,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642636907] [2023-12-02 13:12:25,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642636907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:25,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:25,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:12:25,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841966235] [2023-12-02 13:12:25,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:25,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:12:25,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:25,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:12:25,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:12:25,504 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:25,737 INFO L93 Difference]: Finished difference Result 262 states and 386 transitions. [2023-12-02 13:12:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:12:25,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2023-12-02 13:12:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:25,741 INFO L225 Difference]: With dead ends: 262 [2023-12-02 13:12:25,741 INFO L226 Difference]: Without dead ends: 144 [2023-12-02 13:12:25,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:12:25,744 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 40 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:25,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 558 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:12:25,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-02 13:12:25,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 121. [2023-12-02 13:12:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:12:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2023-12-02 13:12:25,762 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 144 [2023-12-02 13:12:25,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:25,764 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2023-12-02 13:12:25,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2023-12-02 13:12:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 13:12:25,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:25,768 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:12:25,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:12:25,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:25,972 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:25,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:25,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1957780412, now seen corresponding path program 1 times [2023-12-02 13:12:25,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:25,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436339285] [2023-12-02 13:12:25,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:25,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:25,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:25,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 13:12:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:27,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:12:27,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:12:27,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:27,594 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:27,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436339285] [2023-12-02 13:12:27,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436339285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:27,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:27,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 13:12:27,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968926593] [2023-12-02 13:12:27,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:27,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:12:27,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:27,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:12:27,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:12:27,598 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:28,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:28,206 INFO L93 Difference]: Finished difference Result 273 states and 399 transitions. [2023-12-02 13:12:28,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 13:12:28,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2023-12-02 13:12:28,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:28,230 INFO L225 Difference]: With dead ends: 273 [2023-12-02 13:12:28,230 INFO L226 Difference]: Without dead ends: 153 [2023-12-02 13:12:28,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:12:28,233 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 83 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:28,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 816 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:12:28,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-12-02 13:12:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 127. [2023-12-02 13:12:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:12:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2023-12-02 13:12:28,246 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 146 [2023-12-02 13:12:28,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:28,247 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2023-12-02 13:12:28,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2023-12-02 13:12:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 13:12:28,249 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:28,250 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:12:28,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:12:28,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:28,451 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:28,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:28,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1527840258, now seen corresponding path program 1 times [2023-12-02 13:12:28,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:28,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94674760] [2023-12-02 13:12:28,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:28,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:28,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:28,453 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:28,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 13:12:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:29,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:12:29,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:12:30,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:30,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:30,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94674760] [2023-12-02 13:12:30,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94674760] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:30,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:30,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 13:12:30,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346963717] [2023-12-02 13:12:30,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:30,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:12:30,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:30,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:12:30,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:12:30,202 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:31,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:31,214 INFO L93 Difference]: Finished difference Result 282 states and 403 transitions. [2023-12-02 13:12:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 13:12:31,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2023-12-02 13:12:31,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:31,218 INFO L225 Difference]: With dead ends: 282 [2023-12-02 13:12:31,218 INFO L226 Difference]: Without dead ends: 156 [2023-12-02 13:12:31,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-12-02 13:12:31,221 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 85 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:31,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 971 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 13:12:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-12-02 13:12:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 129. [2023-12-02 13:12:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:12:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 185 transitions. [2023-12-02 13:12:31,234 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 185 transitions. Word has length 146 [2023-12-02 13:12:31,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:31,235 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 185 transitions. [2023-12-02 13:12:31,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 185 transitions. [2023-12-02 13:12:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 13:12:31,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:31,238 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:12:31,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:12:31,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:31,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:31,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1585098560, now seen corresponding path program 1 times [2023-12-02 13:12:31,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:31,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325446357] [2023-12-02 13:12:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:31,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:31,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:31,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:31,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 13:12:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:32,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:12:32,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:12:33,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:33,190 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:33,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325446357] [2023-12-02 13:12:33,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325446357] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:33,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:33,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 13:12:33,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68337627] [2023-12-02 13:12:33,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:33,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 13:12:33,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:33,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 13:12:33,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:12:33,193 INFO L87 Difference]: Start difference. First operand 129 states and 185 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:12:34,547 INFO L93 Difference]: Finished difference Result 285 states and 402 transitions. [2023-12-02 13:12:34,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 13:12:34,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2023-12-02 13:12:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:12:34,550 INFO L225 Difference]: With dead ends: 285 [2023-12-02 13:12:34,550 INFO L226 Difference]: Without dead ends: 157 [2023-12-02 13:12:34,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-12-02 13:12:34,552 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 71 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:12:34,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 1121 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 13:12:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-12-02 13:12:34,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 131. [2023-12-02 13:12:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:12:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 187 transitions. [2023-12-02 13:12:34,566 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 187 transitions. Word has length 146 [2023-12-02 13:12:34,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:12:34,567 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 187 transitions. [2023-12-02 13:12:34,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:12:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 187 transitions. [2023-12-02 13:12:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 13:12:34,570 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:12:34,570 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:12:34,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:12:34,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:12:34,772 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:12:34,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:12:34,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1585158142, now seen corresponding path program 1 times [2023-12-02 13:12:34,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:12:34,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044910259] [2023-12-02 13:12:34,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:12:34,773 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 [2023-12-02 13:12:34,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:12:34,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:12:34,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (7)] Waiting until timeout for monitored process [2023-12-02 13:12:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:12:36,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:12:36,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:12:37,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:12:37,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-12-02 13:12:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-12-02 13:12:37,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:12:37,365 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:12:37,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044910259] [2023-12-02 13:12:37,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044910259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:12:37,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:12:37,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:12:37,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178584777] [2023-12-02 13:12:37,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:12:37,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:12:37,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:12:37,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:12:37,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:12:37,369 INFO L87 Difference]: Start difference. First operand 131 states and 187 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:12:41,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:43,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:45,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:47,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:50,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:52,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:54,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:56,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:12:59,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:01,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:03,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:06,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:08,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:09,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:11,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:13,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:16,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:18,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:20,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:22,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:24,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:26,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:28,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:30,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:33,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:35,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:37,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:39,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:42,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:13:42,469 INFO L93 Difference]: Finished difference Result 267 states and 382 transitions. [2023-12-02 13:13:42,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:13:42,470 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2023-12-02 13:13:42,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:13:42,472 INFO L225 Difference]: With dead ends: 267 [2023-12-02 13:13:42,473 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 13:13:42,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:13:42,474 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 137 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 4 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:13:42,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 456 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 216 Invalid, 26 Unknown, 0 Unchecked, 64.8s Time] [2023-12-02 13:13:42,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 13:13:42,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 131. [2023-12-02 13:13:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:13:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 186 transitions. [2023-12-02 13:13:42,486 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 186 transitions. Word has length 146 [2023-12-02 13:13:42,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:13:42,487 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 186 transitions. [2023-12-02 13:13:42,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:13:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 186 transitions. [2023-12-02 13:13:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-02 13:13:42,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:13:42,490 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:13:42,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (7)] Ended with exit code 0 [2023-12-02 13:13:42,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:42,691 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:13:42,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:13:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1664643140, now seen corresponding path program 1 times [2023-12-02 13:13:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:13:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889984009] [2023-12-02 13:13:42,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:13:42,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:13:42,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:13:42,693 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:13:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 13:13:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:13:44,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:13:44,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:13:45,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:13:45,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-12-02 13:13:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-12-02 13:13:45,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:13:45,348 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:13:45,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889984009] [2023-12-02 13:13:45,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889984009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:13:45,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:13:45,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:13:45,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552050331] [2023-12-02 13:13:45,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:13:45,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:13:45,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:13:45,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:13:45,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:13:45,351 INFO L87 Difference]: Start difference. First operand 131 states and 186 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:13:49,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:51,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:53,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:55,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:13:58,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:00,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:02,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:04,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:06,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:08,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:10,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:12,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:14,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:16,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:19,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:21,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:22,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:25,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:27,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:30,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:32,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:34,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:36,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:39,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:41,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:43,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:45,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:48,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:14:48,109 INFO L93 Difference]: Finished difference Result 267 states and 380 transitions. [2023-12-02 13:14:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:14:48,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-12-02 13:14:48,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:14:48,113 INFO L225 Difference]: With dead ends: 267 [2023-12-02 13:14:48,113 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 13:14:48,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:14:48,114 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 128 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 5 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:14:48,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 452 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 212 Invalid, 24 Unknown, 0 Unchecked, 62.5s Time] [2023-12-02 13:14:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 13:14:48,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 131. [2023-12-02 13:14:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 112 states have (on average 1.3482142857142858) internal successors, (151), 112 states have internal predecessors, (151), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:14:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 185 transitions. [2023-12-02 13:14:48,122 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 185 transitions. Word has length 148 [2023-12-02 13:14:48,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:14:48,123 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 185 transitions. [2023-12-02 13:14:48,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:14:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 185 transitions. [2023-12-02 13:14:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 13:14:48,124 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:48,125 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:14:48,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 13:14:48,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:14:48,326 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:48,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:48,326 INFO L85 PathProgramCache]: Analyzing trace with hash -120584514, now seen corresponding path program 1 times [2023-12-02 13:14:48,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:14:48,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24616964] [2023-12-02 13:14:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:48,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:14:48,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:14:48,328 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:14:48,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (9)] Waiting until timeout for monitored process [2023-12-02 13:14:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:49,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:14:49,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:50,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:14:50,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-12-02 13:14:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-02 13:14:51,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:14:51,098 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:14:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24616964] [2023-12-02 13:14:51,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24616964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:14:51,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:14:51,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:14:51,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508048614] [2023-12-02 13:14:51,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:14:51,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:14:51,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:14:51,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:14:51,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:14:51,100 INFO L87 Difference]: Start difference. First operand 131 states and 185 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:14:55,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:57,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:59,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:01,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:04,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:06,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:08,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:10,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:15,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:17,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:19,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:21,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:23,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:25,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:27,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:29,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:32,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:34,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:36,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:38,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:41,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:43,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:45,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:47,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:50,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:52,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:54,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:56,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:15:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:15:58,577 INFO L93 Difference]: Finished difference Result 267 states and 378 transitions. [2023-12-02 13:15:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:15:58,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2023-12-02 13:15:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:15:58,580 INFO L225 Difference]: With dead ends: 267 [2023-12-02 13:15:58,581 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 13:15:58,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:15:58,582 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 119 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 4 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:15:58,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 448 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 214 Invalid, 28 Unknown, 0 Unchecked, 67.2s Time] [2023-12-02 13:15:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 13:15:58,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 131. [2023-12-02 13:15:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:15:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 184 transitions. [2023-12-02 13:15:58,590 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 184 transitions. Word has length 150 [2023-12-02 13:15:58,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:15:58,590 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 184 transitions. [2023-12-02 13:15:58,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:15:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2023-12-02 13:15:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 13:15:58,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:15:58,592 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:15:58,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (9)] Forceful destruction successful, exit code 0 [2023-12-02 13:15:58,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:15:58,793 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:15:58,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:15:58,793 INFO L85 PathProgramCache]: Analyzing trace with hash 565645572, now seen corresponding path program 1 times [2023-12-02 13:15:58,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:15:58,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85651369] [2023-12-02 13:15:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:58,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:15:58,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:15:58,795 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:15:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (10)] Waiting until timeout for monitored process [2023-12-02 13:16:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:00,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:16:00,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:16:00,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:16:00,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 31 [2023-12-02 13:16:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:16:00,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:16:00,669 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:16:00,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85651369] [2023-12-02 13:16:00,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85651369] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:00,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:00,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:16:00,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480225872] [2023-12-02 13:16:00,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:00,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:16:00,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:16:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:16:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:16:00,672 INFO L87 Difference]: Start difference. First operand 131 states and 184 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:16:02,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:16:05,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:16:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:05,083 INFO L93 Difference]: Finished difference Result 261 states and 367 transitions. [2023-12-02 13:16:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:16:05,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-12-02 13:16:05,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:05,086 INFO L225 Difference]: With dead ends: 261 [2023-12-02 13:16:05,086 INFO L226 Difference]: Without dead ends: 131 [2023-12-02 13:16:05,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:16:05,087 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 2 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:05,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 327 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2023-12-02 13:16:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-12-02 13:16:05,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-12-02 13:16:05,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 112 states have (on average 1.3303571428571428) internal successors, (149), 112 states have internal predecessors, (149), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:16:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 183 transitions. [2023-12-02 13:16:05,097 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 183 transitions. Word has length 152 [2023-12-02 13:16:05,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:05,097 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 183 transitions. [2023-12-02 13:16:05,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:16:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 183 transitions. [2023-12-02 13:16:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 13:16:05,099 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:05,099 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:16:05,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (10)] Ended with exit code 0 [2023-12-02 13:16:05,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:16:05,300 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:16:05,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:05,300 INFO L85 PathProgramCache]: Analyzing trace with hash 431632066, now seen corresponding path program 1 times [2023-12-02 13:16:05,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:16:05,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367163862] [2023-12-02 13:16:05,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:05,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:16:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:16:05,302 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:16:05,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (11)] Waiting until timeout for monitored process [2023-12-02 13:16:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:06,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:16:06,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:16:07,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:16:07,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 31 [2023-12-02 13:16:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:16:07,076 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:16:07,076 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:16:07,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367163862] [2023-12-02 13:16:07,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367163862] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:07,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:07,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:16:07,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442516897] [2023-12-02 13:16:07,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:07,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:16:07,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:16:07,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:16:07,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:16:07,079 INFO L87 Difference]: Start difference. First operand 131 states and 183 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:16:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:07,237 INFO L93 Difference]: Finished difference Result 261 states and 365 transitions. [2023-12-02 13:16:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:16:07,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2023-12-02 13:16:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:07,240 INFO L225 Difference]: With dead ends: 261 [2023-12-02 13:16:07,240 INFO L226 Difference]: Without dead ends: 131 [2023-12-02 13:16:07,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:16:07,241 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 49 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:07,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 281 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:16:07,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-12-02 13:16:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-12-02 13:16:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 112 states have (on average 1.3214285714285714) internal successors, (148), 112 states have internal predecessors, (148), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:16:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 182 transitions. [2023-12-02 13:16:07,247 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 182 transitions. Word has length 152 [2023-12-02 13:16:07,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:07,247 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 182 transitions. [2023-12-02 13:16:07,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:16:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 182 transitions. [2023-12-02 13:16:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 13:16:07,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:07,248 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:16:07,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (11)] Ended with exit code 0 [2023-12-02 13:16:07,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:16:07,449 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:16:07,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:07,449 INFO L85 PathProgramCache]: Analyzing trace with hash -386016384, now seen corresponding path program 1 times [2023-12-02 13:16:07,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:16:07,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276505425] [2023-12-02 13:16:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:07,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:16:07,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:16:07,451 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:16:07,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efcb5766-b86f-4c86-869f-e6e52b59226b/bin/utaipan-verify-nQ1chXbOIh/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 (12)] Waiting until timeout for monitored process