./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 971c3c41652faa6763f696423d617342190d331658e9b3a0d06a1ab8241c9b75 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:22:56,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:22:57,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:22:57,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:22:57,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:22:57,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:22:57,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:22:57,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:22:57,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:22:57,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:22:57,106 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:22:57,106 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:22:57,106 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:22:57,107 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:22:57,107 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:22:57,107 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:22:57,108 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:22:57,108 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:22:57,108 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:22:57,109 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:22:57,109 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:22:57,110 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:22:57,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:22:57,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:22:57,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:22:57,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:22:57,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:22:57,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:22:57,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:22:57,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:22:57,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:22:57,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:22:57,115 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:22:57,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:22:57,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:22:57,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:22:57,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:22:57,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:22:57,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:22:57,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:22:57,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:22:57,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:22:57,119 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:22:57,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:22:57,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:22:57,120 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:22:57,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:22:57,121 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_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971c3c41652faa6763f696423d617342190d331658e9b3a0d06a1ab8241c9b75 [2024-11-09 07:22:57,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:22:57,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:22:57,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:22:57,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:22:57,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:22:57,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i Unable to find full path for "g++" [2024-11-09 07:22:59,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:22:59,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:22:59,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i [2024-11-09 07:22:59,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data/5ab802e43/ae973d5d7c094bd9b0e16c2ed8a66bf4/FLAG35f13b23a [2024-11-09 07:22:59,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data/5ab802e43/ae973d5d7c094bd9b0e16c2ed8a66bf4 [2024-11-09 07:22:59,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:22:59,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:22:59,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:22:59,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:22:59,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:22:59,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:22:59" (1/1) ... [2024-11-09 07:22:59,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eca17d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:22:59, skipping insertion in model container [2024-11-09 07:22:59,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:22:59" (1/1) ... [2024-11-09 07:23:00,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:23:00,253 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i[913,926] [2024-11-09 07:23:00,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:00,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:23:00,386 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i[913,926] [2024-11-09 07:23:00,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:00,467 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:23:00,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00 WrapperNode [2024-11-09 07:23:00,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:00,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:00,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:23:00,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:23:00,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,544 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-09 07:23:00,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:00,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:23:00,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:23:00,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:23:00,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:23:00,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:23:00,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:23:00,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:23:00,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (1/1) ... [2024-11-09 07:23:00,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:00,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:00,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:23:00,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:23:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:23:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:23:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:23:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:23:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:23:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:23:00,778 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:23:00,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:23:01,135 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 07:23:01,136 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:23:01,362 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:23:01,362 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:23:01,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:01 BoogieIcfgContainer [2024-11-09 07:23:01,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:23:01,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:23:01,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:23:01,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:23:01,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:22:59" (1/3) ... [2024-11-09 07:23:01,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8da9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:01, skipping insertion in model container [2024-11-09 07:23:01,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:00" (2/3) ... [2024-11-09 07:23:01,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8da9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:01, skipping insertion in model container [2024-11-09 07:23:01,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:01" (3/3) ... [2024-11-09 07:23:01,372 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-60.i [2024-11-09 07:23:01,391 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:23:01,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:23:01,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:23:01,459 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;@6e069429, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:23:01,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:23:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:23:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 07:23:01,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:01,472 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:01,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:01,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:01,477 INFO L85 PathProgramCache]: Analyzing trace with hash 656555023, now seen corresponding path program 1 times [2024-11-09 07:23:01,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:23:01,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999530103] [2024-11-09 07:23:01,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:01,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:23:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:23:01,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896427375] [2024-11-09 07:23:01,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:23:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:01,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:23:01,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:23:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:23:02,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:23:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:23:02,338 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:23:02,341 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:23:02,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:23:02,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:23:02,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:23:02,555 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:23:02,731 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:23:02,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:23:02 BoogieIcfgContainer [2024-11-09 07:23:02,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:23:02,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:23:02,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:23:02,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:23:02,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:01" (3/4) ... [2024-11-09 07:23:02,763 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:23:02,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:23:02,766 INFO L158 Benchmark]: Toolchain (without parser) took 2776.37ms. Allocated memory is still 148.9MB. Free memory was 86.4MB in the beginning and 76.4MB in the end (delta: 10.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,767 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 148.9MB. Free memory was 123.5MB in the beginning and 123.4MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:23:02,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.69ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 114.0MB in the end (delta: -27.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.14ms. Allocated memory is still 148.9MB. Free memory was 114.0MB in the beginning and 110.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,769 INFO L158 Benchmark]: Boogie Preprocessor took 44.49ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,770 INFO L158 Benchmark]: RCFGBuilder took 769.35ms. Allocated memory is still 148.9MB. Free memory was 109.1MB in the beginning and 75.2MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 07:23:02,770 INFO L158 Benchmark]: TraceAbstraction took 1384.98ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 76.4MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:23:02,771 INFO L158 Benchmark]: Witness Printer took 11.60ms. Allocated memory is still 148.9MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:23:02,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 148.9MB. Free memory was 123.5MB in the beginning and 123.4MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.69ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 114.0MB in the end (delta: -27.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.14ms. Allocated memory is still 148.9MB. Free memory was 114.0MB in the beginning and 110.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.49ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 109.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 769.35ms. Allocated memory is still 148.9MB. Free memory was 109.1MB in the beginning and 75.2MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1384.98ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 76.4MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.60ms. Allocated memory is still 148.9MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] float var_1_4 = 7.8; [L25] signed short int var_1_6 = 16; [L26] signed short int var_1_7 = 256; [L27] float var_1_8 = 256.6; [L28] unsigned char var_1_9 = 50; [L29] unsigned char var_1_10 = 5; [L30] double var_1_11 = 127.75; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 1; [L33] unsigned char var_1_14 = 0; [L34] double var_1_15 = 15.2; [L35] double var_1_16 = 256.5; [L36] double var_1_17 = 256.5; [L37] double var_1_18 = 0.0; [L38] double var_1_19 = 9.7; [L39] unsigned long int var_1_20 = 10000000; [L40] unsigned long int var_1_21 = 4008920074; [L41] signed short int last_1_var_1_1 = 32; [L42] unsigned char last_1_var_1_9 = 50; [L43] double last_1_var_1_11 = 127.75; [L44] double last_1_var_1_16 = 256.5; [L45] unsigned long int last_1_var_1_20 = 10000000; [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] CALL updateLastVariables() [L134] last_1_var_1_1 = var_1_1 [L135] last_1_var_1_9 = var_1_9 [L136] last_1_var_1_11 = var_1_11 [L137] last_1_var_1_16 = var_1_16 [L138] last_1_var_1_20 = var_1_20 [L148] RET updateLastVariables() [L149] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L99] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] var_1_4 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L102] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L103] var_1_6 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L121] var_1_15 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L149] RET updateVariables() [L150] CALL step() [L49] signed long int stepLocal_0 = (((var_1_7) < (last_1_var_1_1)) ? (var_1_7) : (last_1_var_1_1)); [L50] COND FALSE !(last_1_var_1_11 < (last_1_var_1_11 + last_1_var_1_16)) [L57] var_1_9 = var_1_10 [L59] unsigned long int stepLocal_1 = last_1_var_1_20; [L60] COND FALSE !(((var_1_10 * last_1_var_1_9) + last_1_var_1_1) > stepLocal_1) [L63] COND TRUE (last_1_var_1_16 >= last_1_var_1_16) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14)) [L64] COND TRUE \read(var_1_2) [L65] var_1_11 = var_1_15 [L72] COND TRUE \read(var_1_13) [L73] var_1_20 = (((((var_1_9) > (128u)) ? (var_1_9) : (128u))) + var_1_9) [L81] COND FALSE !((- var_1_16) <= var_1_4) [L86] COND TRUE \read(var_1_2) [L87] COND FALSE !((var_1_11 / var_1_4) <= var_1_8) [L90] var_1_1 = var_1_9 [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return (((((var_1_2 ? (((var_1_11 / var_1_4) <= var_1_8) ? (var_1_1 == ((signed short int) (var_1_9 - var_1_9))) : (var_1_1 == ((signed short int) var_1_9))) : (var_1_1 == ((signed short int) var_1_9))) && (((- var_1_16) <= var_1_4) ? (((var_1_11 <= var_1_4) || var_1_2) ? (var_1_8 == ((float) 3.3f)) : 1) : 1)) && ((last_1_var_1_11 < (last_1_var_1_11 + last_1_var_1_16)) ? ((((((var_1_7) < (last_1_var_1_1)) ? (var_1_7) : (last_1_var_1_1))) > (var_1_6 * 1)) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) var_1_10))) : (var_1_9 == ((unsigned char) var_1_10)))) && (((last_1_var_1_16 >= last_1_var_1_16) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) ? (var_1_2 ? (var_1_11 == ((double) var_1_15)) : (var_1_11 == ((double) var_1_15))) : (var_1_11 == ((double) var_1_15)))) && ((((var_1_10 * last_1_var_1_9) + last_1_var_1_1) > last_1_var_1_20) ? (var_1_16 == ((double) (var_1_17 - (var_1_18 - var_1_19)))) : 1)) && (var_1_13 ? (var_1_20 == ((unsigned long int) (((((var_1_9) > (128u)) ? (var_1_9) : (128u))) + var_1_9))) : ((var_1_9 >= var_1_9) ? (var_1_20 == ((unsigned long int) (var_1_21 - var_1_9))) : (var_1_20 == ((unsigned long int) var_1_9)))) ; [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_16=513/2, var_1_1=0, var_1_20=128, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_16=513/2, var_1_1=0, var_1_20=128, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:23:02,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 971c3c41652faa6763f696423d617342190d331658e9b3a0d06a1ab8241c9b75 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:23:05,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:23:05,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:23:05,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:23:05,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:23:05,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:23:05,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:23:05,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:23:05,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:23:05,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:23:05,618 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:23:05,618 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:23:05,619 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:23:05,622 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:23:05,623 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:23:05,623 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:23:05,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:23:05,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:23:05,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:23:05,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:23:05,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:23:05,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:23:05,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:23:05,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:23:05,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:23:05,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:23:05,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:23:05,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:23:05,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:23:05,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:23:05,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:23:05,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:23:05,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:23:05,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:23:05,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:23:05,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:05,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:23:05,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:23:05,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:23:05,635 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:23:05,635 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:23:05,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:23:05,636 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:23:05,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971c3c41652faa6763f696423d617342190d331658e9b3a0d06a1ab8241c9b75 [2024-11-09 07:23:06,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:23:06,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:23:06,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:23:06,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:23:06,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:23:06,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i Unable to find full path for "g++" [2024-11-09 07:23:08,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:23:08,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:23:08,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i [2024-11-09 07:23:08,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data/c53fdeed3/989132f1dd7e47bfb7ece263cfa9b8ff/FLAG73e06f61c [2024-11-09 07:23:08,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/data/c53fdeed3/989132f1dd7e47bfb7ece263cfa9b8ff [2024-11-09 07:23:08,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:23:08,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:23:08,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:08,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:23:08,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:23:08,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:08" (1/1) ... [2024-11-09 07:23:08,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37504d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:08, skipping insertion in model container [2024-11-09 07:23:08,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:08" (1/1) ... [2024-11-09 07:23:08,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:23:08,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i[913,926] [2024-11-09 07:23:09,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:09,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:23:09,037 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-60.i[913,926] [2024-11-09 07:23:09,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:09,120 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:23:09,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09 WrapperNode [2024-11-09 07:23:09,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:09,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:09,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:23:09,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:23:09,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,193 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2024-11-09 07:23:09,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:09,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:23:09,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:23:09,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:23:09,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:23:09,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:23:09,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:23:09,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:23:09,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (1/1) ... [2024-11-09 07:23:09,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:09,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:23:09,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:23:09,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:23:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:23:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:23:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:23:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:23:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:23:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:23:09,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:23:09,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:23:18,244 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 07:23:18,244 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:23:18,257 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:23:18,258 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:23:18,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:18 BoogieIcfgContainer [2024-11-09 07:23:18,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:23:18,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:23:18,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:23:18,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:23:18,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:23:08" (1/3) ... [2024-11-09 07:23:18,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b425ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:18, skipping insertion in model container [2024-11-09 07:23:18,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:09" (2/3) ... [2024-11-09 07:23:18,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b425ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:23:18, skipping insertion in model container [2024-11-09 07:23:18,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:23:18" (3/3) ... [2024-11-09 07:23:18,267 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-60.i [2024-11-09 07:23:18,285 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:23:18,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:23:18,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:23:18,352 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;@787b066, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:23:18,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:23:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:23:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 07:23:18,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:18,376 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:18,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:18,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:18,380 INFO L85 PathProgramCache]: Analyzing trace with hash -246714611, now seen corresponding path program 1 times [2024-11-09 07:23:18,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:18,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798481335] [2024-11-09 07:23:18,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:18,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:18,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:18,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:23:18,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 07:23:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:19,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:23:19,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:23:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-09 07:23:19,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:23:19,673 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:23:19,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798481335] [2024-11-09 07:23:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798481335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:23:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:23:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:23:19,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020225842] [2024-11-09 07:23:19,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:23:19,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:23:19,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:23:19,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:23:19,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:23:19,718 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:23:19,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:19,750 INFO L93 Difference]: Finished difference Result 125 states and 218 transitions. [2024-11-09 07:23:19,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:23:19,751 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2024-11-09 07:23:19,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:19,759 INFO L225 Difference]: With dead ends: 125 [2024-11-09 07:23:19,759 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 07:23:19,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:23:19,766 INFO L432 NwaCegarLoop]: 93 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, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:19,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:23:19,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 07:23:19,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-09 07:23:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:23:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2024-11-09 07:23:19,825 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 139 [2024-11-09 07:23:19,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:19,826 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2024-11-09 07:23:19,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:23:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2024-11-09 07:23:19,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 07:23:19,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:19,830 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:19,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 07:23:20,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:20,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:20,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:20,033 INFO L85 PathProgramCache]: Analyzing trace with hash -812891579, now seen corresponding path program 1 times [2024-11-09 07:23:20,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:20,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597464167] [2024-11-09 07:23:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:20,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:20,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:20,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:23:20,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 07:23:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:21,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:23:21,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:23:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 07:23:28,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:23:28,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:23:28,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597464167] [2024-11-09 07:23:28,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597464167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:23:28,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:23:28,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:23:28,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204754081] [2024-11-09 07:23:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:23:28,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:23:28,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:23:28,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:23:28,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:23:28,510 INFO L87 Difference]: Start difference. First operand 62 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:23:32,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:34,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:36,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:38,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:40,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:42,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:46,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:48,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:51,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:53,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:55,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:57,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:57,385 INFO L93 Difference]: Finished difference Result 183 states and 278 transitions. [2024-11-09 07:23:57,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:23:57,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139 [2024-11-09 07:23:57,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:57,456 INFO L225 Difference]: With dead ends: 183 [2024-11-09 07:23:57,456 INFO L226 Difference]: Without dead ends: 124 [2024-11-09 07:23:57,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:23:57,459 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 52 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 46 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:57,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 224 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 48 Invalid, 12 Unknown, 0 Unchecked, 28.7s Time] [2024-11-09 07:23:57,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-09 07:23:57,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2024-11-09 07:23:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 61 states have internal predecessors, (74), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 07:23:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 162 transitions. [2024-11-09 07:23:57,490 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 162 transitions. Word has length 139 [2024-11-09 07:23:57,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:57,491 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 162 transitions. [2024-11-09 07:23:57,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:23:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 162 transitions. [2024-11-09 07:23:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 07:23:57,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:57,495 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:23:57,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 07:23:57,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:57,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:57,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:57,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1995900404, now seen corresponding path program 1 times [2024-11-09 07:23:57,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:23:57,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290532524] [2024-11-09 07:23:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:57,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:23:57,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:23:57,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:23:57,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 07:23:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:58,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:23:58,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:24:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 07:24:03,891 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:24:03,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:24:03,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290532524] [2024-11-09 07:24:03,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290532524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:24:03,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:24:03,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:24:03,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776200245] [2024-11-09 07:24:03,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:24:03,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:24:03,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:24:03,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:24:03,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:24:03,895 INFO L87 Difference]: Start difference. First operand 108 states and 162 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:24:07,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:09,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:11,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:13,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:15,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:16,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:19,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:21,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:23,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:25,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:27,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:24:27,706 INFO L93 Difference]: Finished difference Result 182 states and 273 transitions. [2024-11-09 07:24:27,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:24:27,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 141 [2024-11-09 07:24:27,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:24:27,772 INFO L225 Difference]: With dead ends: 182 [2024-11-09 07:24:27,772 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 07:24:27,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:24:27,775 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 52 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 45 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:24:27,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 298 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 63 Invalid, 10 Unknown, 0 Unchecked, 23.5s Time] [2024-11-09 07:24:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 07:24:27,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 108. [2024-11-09 07:24:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 61 states have internal predecessors, (73), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 07:24:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 161 transitions. [2024-11-09 07:24:27,801 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 161 transitions. Word has length 141 [2024-11-09 07:24:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:24:27,802 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 161 transitions. [2024-11-09 07:24:27,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:24:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2024-11-09 07:24:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 07:24:27,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:24:27,805 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:24:27,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 07:24:28,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:24:28,006 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:24:28,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:24:28,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1906039882, now seen corresponding path program 1 times [2024-11-09 07:24:28,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:24:28,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489449617] [2024-11-09 07:24:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:24:28,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:24:28,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:24:28,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:24:28,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 07:24:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:24:29,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 07:24:29,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:24:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-09 07:24:29,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:24:29,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:24:29,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489449617] [2024-11-09 07:24:29,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489449617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:24:29,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:24:29,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:24:29,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439625122] [2024-11-09 07:24:29,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:24:29,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:24:29,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:24:29,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:24:29,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:24:29,230 INFO L87 Difference]: Start difference. First operand 108 states and 161 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:24:31,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:33,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:24:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:24:33,944 INFO L93 Difference]: Finished difference Result 180 states and 268 transitions. [2024-11-09 07:24:33,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:24:33,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 141 [2024-11-09 07:24:33,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:24:33,947 INFO L225 Difference]: With dead ends: 180 [2024-11-09 07:24:33,947 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 07:24:33,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:24:33,949 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:24:33,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 172 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2024-11-09 07:24:33,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 07:24:33,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2024-11-09 07:24:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 66 states have internal predecessors, (80), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 07:24:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 168 transitions. [2024-11-09 07:24:33,987 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 168 transitions. Word has length 141 [2024-11-09 07:24:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:24:33,988 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 168 transitions. [2024-11-09 07:24:33,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-09 07:24:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 168 transitions. [2024-11-09 07:24:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 07:24:33,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:24:33,991 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:24:34,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 07:24:34,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:24:34,192 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:24:34,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:24:34,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1096693256, now seen corresponding path program 1 times [2024-11-09 07:24:34,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:24:34,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530548481] [2024-11-09 07:24:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:24:34,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:24:34,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:24:34,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:24:34,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8947c4-a118-4545-9263-2861d783b8d3/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 07:24:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:24:35,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 07:24:35,441 INFO L278 TraceCheckSpWp]: Computing forward predicates...