./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68b0cda5422c6df9a05dd00f43cb56ae62ac5ef3a6cb82099875e56a3f490744 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:58,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:58,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:33:58,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:58,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:58,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:58,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:58,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:58,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:58,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:58,406 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:58,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:58,407 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:58,407 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:58,408 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:58,408 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:58,411 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:58,412 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:58,412 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:58,412 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:58,413 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:58,413 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:58,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:58,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:58,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:58,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:58,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:58,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:58,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:58,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:58,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:58,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:58,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:58,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:58,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:58,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:58,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:58,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:58,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:58,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:58,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:58,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:58,420 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:58,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:58,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:58,421 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:58,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:58,422 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_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b0cda5422c6df9a05dd00f43cb56ae62ac5ef3a6cb82099875e56a3f490744 [2024-11-02 12:33:58,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:58,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:58,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:58,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:58,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:58,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i Unable to find full path for "g++" [2024-11-02 12:34:01,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:02,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:02,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i [2024-11-02 12:34:02,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data/c10e2b390/c3d14a54a20e476cac3e630994fd5274/FLAGff1f39390 [2024-11-02 12:34:02,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data/c10e2b390/c3d14a54a20e476cac3e630994fd5274 [2024-11-02 12:34:02,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:02,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:02,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:02,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:02,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:02,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3bfaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02, skipping insertion in model container [2024-11-02 12:34:02,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:02,392 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i[915,928] [2024-11-02 12:34:02,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:02,455 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:02,468 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i[915,928] [2024-11-02 12:34:02,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:02,567 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:02,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02 WrapperNode [2024-11-02 12:34:02,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:02,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:02,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:02,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:02,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,639 INFO L138 Inliner]: procedures = 29, calls = 103, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342 [2024-11-02 12:34:02,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:02,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:02,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:02,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:02,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:02,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:02,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:02,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:02,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (1/1) ... [2024-11-02 12:34:02,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:02,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:02,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:02,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:34:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:34:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:34:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:34:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 12:34:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:34:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:02,942 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:02,944 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:03,675 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:03,675 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:04,362 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:04,364 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:34:04,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:04 BoogieIcfgContainer [2024-11-02 12:34:04,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:04,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:04,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:04,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:04,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:02" (1/3) ... [2024-11-02 12:34:04,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c30af94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:04, skipping insertion in model container [2024-11-02 12:34:04,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:02" (2/3) ... [2024-11-02 12:34:04,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c30af94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:04, skipping insertion in model container [2024-11-02 12:34:04,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:04" (3/3) ... [2024-11-02 12:34:04,383 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-9.i [2024-11-02 12:34:04,409 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:04,410 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:04,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:04,554 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75407aea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:04,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:34:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-02 12:34:04,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:04,580 INFO L215 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:04,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:04,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:04,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1733077669, now seen corresponding path program 1 times [2024-11-02 12:34:04,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:34:04,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594292135] [2024-11-02 12:34:04,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:04,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:34:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:34:05,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991855191] [2024-11-02 12:34:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:05,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:34:05,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:05,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:34:05,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:34:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:34:06,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:34:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:34:06,692 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:34:06,695 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:34:06,697 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:34:06,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:34:06,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:34:06,911 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:34:07,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:34:07,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:34:07 BoogieIcfgContainer [2024-11-02 12:34:07,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:34:07,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:34:07,053 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:34:07,053 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:34:07,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:04" (3/4) ... [2024-11-02 12:34:07,062 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:34:07,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:34:07,071 INFO L158 Benchmark]: Toolchain (without parser) took 5004.02ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 88.6MB in the beginning and 154.4MB in the end (delta: -65.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-02 12:34:07,075 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:34:07,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.87ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 72.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:34:07,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.79ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 69.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:34:07,086 INFO L158 Benchmark]: Boogie Preprocessor took 45.28ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:34:07,088 INFO L158 Benchmark]: RCFGBuilder took 1679.70ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 66.5MB in the beginning and 110.5MB in the end (delta: -44.1MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-02 12:34:07,090 INFO L158 Benchmark]: TraceAbstraction took 2681.74ms. Allocated memory is still 195.0MB. Free memory was 109.5MB in the beginning and 155.5MB in the end (delta: -46.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-11-02 12:34:07,092 INFO L158 Benchmark]: Witness Printer took 17.30ms. Allocated memory is still 195.0MB. Free memory was 155.5MB in the beginning and 154.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:34:07,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.87ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 72.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.79ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 69.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.28ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1679.70ms. Allocated memory was 125.8MB in the beginning and 195.0MB in the end (delta: 69.2MB). Free memory was 66.5MB in the beginning and 110.5MB in the end (delta: -44.1MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2681.74ms. Allocated memory is still 195.0MB. Free memory was 109.5MB in the beginning and 155.5MB in the end (delta: -46.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Witness Printer took 17.30ms. Allocated memory is still 195.0MB. Free memory was 155.5MB in the beginning and 154.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of shiftLeft at line 59. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L45] unsigned char last_1_WrapperStruct0_var_1_1 = 10; [L46] double last_1_WrapperStruct0_var_1_10 = 9.2; [L47] signed short int last_1_WrapperStruct0_var_1_12 = 1; [L48] signed long int last_1_WrapperStruct0_var_1_14 = -16; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L89] EXPR WrapperStruct0.var_1_1 [L89] last_1_WrapperStruct0_var_1_1 = WrapperStruct0.var_1_1 [L90] EXPR WrapperStruct0.var_1_10 [L90] last_1_WrapperStruct0_var_1_10 = WrapperStruct0.var_1_10 [L91] EXPR WrapperStruct0.var_1_12 [L91] last_1_WrapperStruct0_var_1_12 = WrapperStruct0.var_1_12 [L92] EXPR WrapperStruct0.var_1_14 [L92] last_1_WrapperStruct0_var_1_14 = WrapperStruct0.var_1_14 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L79] WrapperStruct0.var_1_3 = __VERIFIER_nondet_uchar() [L80] EXPR WrapperStruct0.var_1_3 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L80] CALL assume_abort_if_not(WrapperStruct0.var_1_3 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(WrapperStruct0.var_1_3 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L81] EXPR WrapperStruct0.var_1_3 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L81] CALL assume_abort_if_not(WrapperStruct0.var_1_3 <= 254) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(WrapperStruct0.var_1_3 <= 254) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L82] WrapperStruct0.var_1_7 = __VERIFIER_nondet_uchar() [L83] EXPR WrapperStruct0.var_1_7 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L83] CALL assume_abort_if_not(WrapperStruct0.var_1_7 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct0.var_1_7 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L84] EXPR WrapperStruct0.var_1_7 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L84] CALL assume_abort_if_not(WrapperStruct0.var_1_7 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct0.var_1_7 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L85] WrapperStruct0.var_1_11 = __VERIFIER_nondet_double() [L86] EXPR WrapperStruct0.var_1_11 [L86] EXPR WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F [L86] EXPR (WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F ) [L86] EXPR WrapperStruct0.var_1_11 [L86] EXPR WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F [L86] EXPR WrapperStruct0.var_1_11 [L86] EXPR WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F [L86] EXPR (WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L86] CALL assume_abort_if_not((WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L103] RET updateVariables() [L104] CALL step() [L52] unsigned char stepLocal_0 = last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10; [L53] COND FALSE !(((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || stepLocal_0) [L56] WrapperStruct0.var_1_12 = last_1_WrapperStruct0_var_1_12 [L58] EXPR WrapperStruct0.var_1_12 [L58] WrapperStruct0.var_1_14 = WrapperStruct0.var_1_12 [L59] EXPR WrapperStruct0.var_1_12 [L59] EXPR 10 << WrapperStruct0.var_1_12 [L59] EXPR WrapperStruct0.var_1_3 [L59] EXPR WrapperStruct0.var_1_14 [L59] COND FALSE !((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) [L62] WrapperStruct0.var_1_9 = 64 [L63] EXPR WrapperStruct0.var_1_11 [L63] WrapperStruct0.var_1_10 = WrapperStruct0.var_1_11 [L64] EXPR WrapperStruct0.var_1_12 [L64] COND TRUE WrapperStruct0.var_1_12 <= 16 [L65] EXPR WrapperStruct0.var_1_3 [L65] WrapperStruct0.var_1_1 = WrapperStruct0.var_1_3 [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR WrapperStruct0.var_1_12 [L95] EXPR (WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) [L95] EXPR WrapperStruct0.var_1_1 [L95] EXPR WrapperStruct0.var_1_3 [L95] EXPR (WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) [L95] EXPR ((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1) [L95] EXPR WrapperStruct0.var_1_12 [L95] EXPR 10 << WrapperStruct0.var_1_12 [L95] EXPR WrapperStruct0.var_1_3 [L95] EXPR WrapperStruct0.var_1_14 [L95] EXPR ((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1 [L95] EXPR ((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1) [L95] EXPR (((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64)) [L95] EXPR WrapperStruct0.var_1_9 [L95] EXPR (((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64)) [L95] EXPR ((((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64))) && (WrapperStruct0.var_1_10 == ((double) WrapperStruct0.var_1_11)) [L95] EXPR WrapperStruct0.var_1_10 [L95] EXPR WrapperStruct0.var_1_11 [L95] EXPR ((((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64))) && (WrapperStruct0.var_1_10 == ((double) WrapperStruct0.var_1_11)) [L95] EXPR (((((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64))) && (WrapperStruct0.var_1_10 == ((double) WrapperStruct0.var_1_11))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? (WrapperStruct0.var_1_12 == ((signed short int) ((((((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? (((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : (WrapperStruct0.var_1_12 == ((signed short int) last_1_WrapperStruct0_var_1_12))) [L95] EXPR (((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? (WrapperStruct0.var_1_12 == ((signed short int) ((((((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? (((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : (WrapperStruct0.var_1_12 == ((signed short int) last_1_WrapperStruct0_var_1_12)) [L95] EXPR WrapperStruct0.var_1_12 [L95] EXPR WrapperStruct0.var_1_3 [L95] EXPR ((((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? (((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1) [L95] EXPR (((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? (WrapperStruct0.var_1_12 == ((signed short int) ((((((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? (((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : (WrapperStruct0.var_1_12 == ((signed short int) last_1_WrapperStruct0_var_1_12)) [L95] EXPR (((((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64))) && (WrapperStruct0.var_1_10 == ((double) WrapperStruct0.var_1_11))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? (WrapperStruct0.var_1_12 == ((signed short int) ((((((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? (((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : (WrapperStruct0.var_1_12 == ((signed short int) last_1_WrapperStruct0_var_1_12))) [L95] EXPR ((((((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64))) && (WrapperStruct0.var_1_10 == ((double) WrapperStruct0.var_1_11))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? (WrapperStruct0.var_1_12 == ((signed short int) ((((((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? (((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : (WrapperStruct0.var_1_12 == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && (WrapperStruct0.var_1_14 == ((signed long int) WrapperStruct0.var_1_12)) [L95-L96] return ((((((WrapperStruct0.var_1_12 <= 16) ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : ((((((WrapperStruct0.var_1_10) > (WrapperStruct0.var_1_10)) ? (WrapperStruct0.var_1_10) : (WrapperStruct0.var_1_10))) < WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_7 ? (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_1 == ((unsigned char) WrapperStruct0.var_1_3)))) && (((10 << WrapperStruct0.var_1_12) < (WrapperStruct0.var_1_3 * WrapperStruct0.var_1_14)) ? (WrapperStruct0.var_1_8 == ((signed short int) (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_14))) : 1)) && (WrapperStruct0.var_1_9 == ((unsigned char) 64))) && (WrapperStruct0.var_1_10 == ((double) WrapperStruct0.var_1_11))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? (WrapperStruct0.var_1_12 == ((signed short int) ((((((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? (((WrapperStruct0.var_1_3 + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : (WrapperStruct0.var_1_12 == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && (WrapperStruct0.var_1_14 == ((signed long int) WrapperStruct0.var_1_12)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L19] reach_error() VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 5, 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=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:34:07,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68b0cda5422c6df9a05dd00f43cb56ae62ac5ef3a6cb82099875e56a3f490744 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:10,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:10,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:34:10,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:10,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:10,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:10,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:10,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:10,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:10,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:10,260 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:10,261 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:10,261 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:10,261 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:10,262 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:10,262 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:10,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:10,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:10,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:34:10,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:34:10,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:10,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:10,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:10,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:10,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:34:10,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:34:10,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:10,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:34:10,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:34:10,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:10,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:10,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:10,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:34:10,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:10,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:10,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:10,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:10,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:10,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:10,276 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:34:10,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:34:10,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:10,279 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:10,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:10,279 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_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b0cda5422c6df9a05dd00f43cb56ae62ac5ef3a6cb82099875e56a3f490744 [2024-11-02 12:34:10,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:10,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:10,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:10,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:10,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:10,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i Unable to find full path for "g++" [2024-11-02 12:34:12,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:13,246 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:13,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i [2024-11-02 12:34:13,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data/e071355e4/28afeddc726749d3b4ef18fcdac3580f/FLAG0887f7fd0 [2024-11-02 12:34:13,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/data/e071355e4/28afeddc726749d3b4ef18fcdac3580f [2024-11-02 12:34:13,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:13,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:13,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:13,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:13,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:13,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5495e3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13, skipping insertion in model container [2024-11-02 12:34:13,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:13,582 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i[915,928] [2024-11-02 12:34:13,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:13,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:13,708 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-9.i[915,928] [2024-11-02 12:34:13,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:13,796 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:13,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13 WrapperNode [2024-11-02 12:34:13,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:13,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:13,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:13,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:13,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,869 INFO L138 Inliner]: procedures = 36, calls = 103, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 328 [2024-11-02 12:34:13,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:13,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:13,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:13,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:13,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:13,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:13,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:13,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:13,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (1/1) ... [2024-11-02 12:34:13,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:13,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:14,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:14,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:34:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:34:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:34:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-02 12:34:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:34:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:34:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-02 12:34:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:34:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:34:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:34:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:34:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:34:14,253 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:14,257 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:15,256 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:15,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:15,297 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:15,301 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:34:15,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:15 BoogieIcfgContainer [2024-11-02 12:34:15,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:15,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:15,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:15,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:15,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:13" (1/3) ... [2024-11-02 12:34:15,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1af6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:15, skipping insertion in model container [2024-11-02 12:34:15,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:13" (2/3) ... [2024-11-02 12:34:15,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1af6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:15, skipping insertion in model container [2024-11-02 12:34:15,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:15" (3/3) ... [2024-11-02 12:34:15,325 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-9.i [2024-11-02 12:34:15,354 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:15,355 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:15,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:15,459 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2537f33a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:15,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:34:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:34:15,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:15,483 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:15,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:15,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:15,493 INFO L85 PathProgramCache]: Analyzing trace with hash -562539789, now seen corresponding path program 1 times [2024-11-02 12:34:15,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:15,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936506950] [2024-11-02 12:34:15,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:15,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:15,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:15,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:34:15,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:34:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:15,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:34:15,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-02 12:34:15,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:15,914 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:15,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936506950] [2024-11-02 12:34:15,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936506950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:15,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:15,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:34:15,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794856903] [2024-11-02 12:34:15,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:15,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:34:15,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:15,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:34:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:34:15,964 INFO L87 Difference]: Start difference. First operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:16,008 INFO L93 Difference]: Finished difference Result 133 states and 197 transitions. [2024-11-02 12:34:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:34:16,011 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:34:16,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:16,022 INFO L225 Difference]: With dead ends: 133 [2024-11-02 12:34:16,022 INFO L226 Difference]: Without dead ends: 66 [2024-11-02 12:34:16,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:34:16,032 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:16,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:34:16,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-02 12:34:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-02 12:34:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:34:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 92 transitions. [2024-11-02 12:34:16,094 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 92 transitions. Word has length 60 [2024-11-02 12:34:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:16,095 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 92 transitions. [2024-11-02 12:34:16,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2024-11-02 12:34:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:34:16,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:16,101 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:16,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:34:16,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:16,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:16,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:16,308 INFO L85 PathProgramCache]: Analyzing trace with hash -830046663, now seen corresponding path program 1 times [2024-11-02 12:34:16,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:16,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49216457] [2024-11-02 12:34:16,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:16,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:16,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:16,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:34:16,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:34:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:16,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:34:16,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:34:16,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:16,650 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:16,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49216457] [2024-11-02 12:34:16,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49216457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:16,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:16,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:34:16,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789467225] [2024-11-02 12:34:16,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:16,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:34:16,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:16,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:34:16,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:34:16,657 INFO L87 Difference]: Start difference. First operand 66 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:16,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:16,740 INFO L93 Difference]: Finished difference Result 132 states and 185 transitions. [2024-11-02 12:34:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:34:16,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:34:16,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:16,743 INFO L225 Difference]: With dead ends: 132 [2024-11-02 12:34:16,743 INFO L226 Difference]: Without dead ends: 69 [2024-11-02 12:34:16,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:34:16,745 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:16,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 256 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:34:16,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-02 12:34:16,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-02 12:34:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:34:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-11-02 12:34:16,757 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 60 [2024-11-02 12:34:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:16,762 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-11-02 12:34:16,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-02 12:34:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:34:16,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:16,766 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:16,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:34:16,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:16,967 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:16,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:16,968 INFO L85 PathProgramCache]: Analyzing trace with hash -128982085, now seen corresponding path program 1 times [2024-11-02 12:34:16,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:16,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801114043] [2024-11-02 12:34:16,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:16,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:16,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:34:16,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:34:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:17,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:34:17,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:34:17,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:17,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:17,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801114043] [2024-11-02 12:34:17,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801114043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:17,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:17,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:34:17,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271019750] [2024-11-02 12:34:17,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:17,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:34:17,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:17,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:34:17,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:34:17,294 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:17,400 INFO L93 Difference]: Finished difference Result 136 states and 189 transitions. [2024-11-02 12:34:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:34:17,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:34:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:17,405 INFO L225 Difference]: With dead ends: 136 [2024-11-02 12:34:17,407 INFO L226 Difference]: Without dead ends: 71 [2024-11-02 12:34:17,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:34:17,409 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:17,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 333 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:34:17,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-02 12:34:17,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-11-02 12:34:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:34:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2024-11-02 12:34:17,430 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 60 [2024-11-02 12:34:17,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:17,434 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2024-11-02 12:34:17,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2024-11-02 12:34:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:34:17,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:17,437 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:17,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:34:17,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:17,642 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:17,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:17,643 INFO L85 PathProgramCache]: Analyzing trace with hash 551076285, now seen corresponding path program 1 times [2024-11-02 12:34:17,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:17,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236079106] [2024-11-02 12:34:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:17,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:17,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:17,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:34:17,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:34:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:17,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:34:17,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:34:18,019 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:18,019 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:18,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236079106] [2024-11-02 12:34:18,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236079106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:18,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:18,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:34:18,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715296541] [2024-11-02 12:34:18,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:18,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:34:18,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:18,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:34:18,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:34:18,023 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:18,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:18,165 INFO L93 Difference]: Finished difference Result 142 states and 196 transitions. [2024-11-02 12:34:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:34:18,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:34:18,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:18,168 INFO L225 Difference]: With dead ends: 142 [2024-11-02 12:34:18,168 INFO L226 Difference]: Without dead ends: 75 [2024-11-02 12:34:18,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:34:18,170 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:18,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:34:18,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-02 12:34:18,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-02 12:34:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 67 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:34:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2024-11-02 12:34:18,181 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 60 [2024-11-02 12:34:18,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:18,181 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2024-11-02 12:34:18,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:34:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-02 12:34:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:34:18,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:18,184 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:18,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-02 12:34:18,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:18,385 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:18,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:18,386 INFO L85 PathProgramCache]: Analyzing trace with hash 552923327, now seen corresponding path program 1 times [2024-11-02 12:34:18,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:18,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535378365] [2024-11-02 12:34:18,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:18,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:18,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:18,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:34:18,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 12:34:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:18,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-02 12:34:18,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:18,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:34:18,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-02 12:34:19,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-02 12:34:21,274 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:21,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 40 treesize of output 27 [2024-11-02 12:34:21,306 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:21,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 40 treesize of output 27 [2024-11-02 12:34:21,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:21,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 60 [2024-11-02 12:34:21,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:21,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 84 treesize of output 73 [2024-11-02 12:34:23,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:23,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 77 treesize of output 94 [2024-11-02 12:34:23,835 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:23,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 51 [2024-11-02 12:34:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-02 12:34:23,916 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:23,917 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:23,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535378365] [2024-11-02 12:34:23,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535378365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:23,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:23,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-02 12:34:23,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278666940] [2024-11-02 12:34:23,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:23,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-02 12:34:23,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:23,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-02 12:34:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=45, Unknown=2, NotChecked=0, Total=72 [2024-11-02 12:34:23,923 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-02 12:34:26,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-02 12:34:28,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:28,601 INFO L93 Difference]: Finished difference Result 216 states and 294 transitions. [2024-11-02 12:34:28,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-02 12:34:28,602 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2024-11-02 12:34:28,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:28,605 INFO L225 Difference]: With dead ends: 216 [2024-11-02 12:34:28,605 INFO L226 Difference]: Without dead ends: 145 [2024-11-02 12:34:28,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=41, Invalid=67, Unknown=2, NotChecked=0, Total=110 [2024-11-02 12:34:28,607 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 304 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:28,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 287 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 268 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-02 12:34:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-02 12:34:28,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 84. [2024-11-02 12:34:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3636363636363635) internal successors, (105), 77 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:34:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2024-11-02 12:34:28,626 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 60 [2024-11-02 12:34:28,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:28,627 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2024-11-02 12:34:28,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-02 12:34:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2024-11-02 12:34:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:34:28,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:28,629 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:28,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-02 12:34:28,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:28,834 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:28,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:28,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1136020415, now seen corresponding path program 1 times [2024-11-02 12:34:28,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:28,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35622524] [2024-11-02 12:34:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:28,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:34:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:28,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:34:28,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e39d1e-96c2-4bbc-9ea8-753627a90097/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-02 12:34:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:29,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-02 12:34:29,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:29,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-02 12:34:29,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-02 12:34:29,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-02 12:34:29,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 14 [2024-11-02 12:34:29,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2024-11-02 12:34:29,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2024-11-02 12:34:30,043 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:30,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 74 [2024-11-02 12:34:32,302 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:32,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 101 treesize of output 88 [2024-11-02 12:34:32,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:32,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 141 treesize of output 63 [2024-11-02 12:34:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-02 12:34:32,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:32,844 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:32,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35622524] [2024-11-02 12:34:32,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35622524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:32,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:32,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-02 12:34:32,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090647750] [2024-11-02 12:34:32,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:32,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-02 12:34:32,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:32,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-02 12:34:32,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2024-11-02 12:34:32,847 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)