./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 037d5b4f4f3cfb963574c56e4f8027d9770852d6c9f3f3db4945c10da5726615 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:12:05,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:12:06,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:12:06,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:12:06,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:12:06,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:12:06,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:12:06,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:12:06,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:12:06,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:12:06,157 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:12:06,157 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:12:06,158 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:12:06,158 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:12:06,159 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:12:06,159 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:12:06,159 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:12:06,160 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:12:06,160 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:12:06,161 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:12:06,166 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:12:06,167 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:12:06,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:12:06,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:12:06,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:12:06,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:12:06,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:12:06,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:12:06,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:12:06,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:12:06,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:12:06,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:12:06,171 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:12:06,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:12:06,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:12:06,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:12:06,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:12:06,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:12:06,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:06,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:12:06,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:12:06,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:12:06,174 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:12:06,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:12:06,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:12:06,175 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:12:06,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:12:06,176 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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037d5b4f4f3cfb963574c56e4f8027d9770852d6c9f3f3db4945c10da5726615 [2024-11-09 01:12:06,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:12:06,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:12:06,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:12:06,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:12:06,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:12:06,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i Unable to find full path for "g++" [2024-11-09 01:12:08,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:12:09,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:12:09,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i [2024-11-09 01:12:09,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data/f83edbb23/eabe7b814cfc428ba59058a3d12e33b6/FLAGa59104900 [2024-11-09 01:12:09,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data/f83edbb23/eabe7b814cfc428ba59058a3d12e33b6 [2024-11-09 01:12:09,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:12:09,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:12:09,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:09,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:12:09,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:12:09,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9e67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09, skipping insertion in model container [2024-11-09 01:12:09,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:12:09,386 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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i[919,932] [2024-11-09 01:12:09,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:09,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:12:09,541 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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i[919,932] [2024-11-09 01:12:09,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:09,642 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:12:09,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09 WrapperNode [2024-11-09 01:12:09,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:09,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:09,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:12:09,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:12:09,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,735 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2024-11-09 01:12:09,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:09,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:12:09,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:12:09,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:12:09,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:12:09,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:12:09,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:12:09,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:12:09,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (1/1) ... [2024-11-09 01:12:09,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:09,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:12:09,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:12:09,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:12:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:12:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:12:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:12:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:12:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:12:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:12:10,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:12:10,058 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:12:10,858 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 01:12:10,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:12:11,295 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:12:11,295 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:12:11,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:11 BoogieIcfgContainer [2024-11-09 01:12:11,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:12:11,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:12:11,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:12:11,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:12:11,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:12:09" (1/3) ... [2024-11-09 01:12:11,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31972dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:11, skipping insertion in model container [2024-11-09 01:12:11,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:09" (2/3) ... [2024-11-09 01:12:11,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31972dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:11, skipping insertion in model container [2024-11-09 01:12:11,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:11" (3/3) ... [2024-11-09 01:12:11,309 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i [2024-11-09 01:12:11,335 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:12:11,335 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:12:11,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:12:11,438 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;@50be56f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:12:11,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:12:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 01:12:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 01:12:11,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:11,461 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:11,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:11,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:11,471 INFO L85 PathProgramCache]: Analyzing trace with hash 276727023, now seen corresponding path program 1 times [2024-11-09 01:12:11,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:12:11,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035433857] [2024-11-09 01:12:11,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:11,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:12:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:12:12,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [577505291] [2024-11-09 01:12:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:12,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:12:12,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:12:12,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:12:12,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:12:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:12:12,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:12:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:12:13,093 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:12:13,096 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:12:13,098 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:12:13,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:12:13,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 01:12:13,304 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:12:13,402 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:12:13,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:12:13 BoogieIcfgContainer [2024-11-09 01:12:13,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:12:13,406 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:12:13,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:12:13,407 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:12:13,407 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:11" (3/4) ... [2024-11-09 01:12:13,410 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:12:13,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:12:13,413 INFO L158 Benchmark]: Toolchain (without parser) took 4327.82ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 103.9MB in the beginning and 140.4MB in the end (delta: -36.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-09 01:12:13,414 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory was 95.6MB in the beginning and 95.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:12:13,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.29ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 86.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 01:12:13,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.72ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 80.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:12:13,415 INFO L158 Benchmark]: Boogie Preprocessor took 82.15ms. Allocated memory is still 146.8MB. Free memory was 80.3MB in the beginning and 77.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:12:13,416 INFO L158 Benchmark]: RCFGBuilder took 1477.03ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 77.7MB in the beginning and 119.1MB in the end (delta: -41.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-09 01:12:13,417 INFO L158 Benchmark]: TraceAbstraction took 2106.01ms. Allocated memory is still 207.6MB. Free memory was 118.0MB in the beginning and 140.4MB in the end (delta: -22.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:12:13,417 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 207.6MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:12:13,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory was 95.6MB in the beginning and 95.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.29ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 86.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.72ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 80.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.15ms. Allocated memory is still 146.8MB. Free memory was 80.3MB in the beginning and 77.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1477.03ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 77.7MB in the beginning and 119.1MB in the end (delta: -41.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2106.01ms. Allocated memory is still 207.6MB. Free memory was 118.0MB in the beginning and 140.4MB in the end (delta: -22.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 207.6MB. Free memory is still 140.4MB. 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 60, overapproximation of bitwiseOr at line 68, overapproximation of shiftLeft at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned char var_1_4 = 0; [L24] unsigned long int var_1_5 = 3914692693; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_11 = 50; [L30] signed long int var_1_12 = 25; [L31] signed long int var_1_13 = 1; [L32] float var_1_15 = 4.75; [L33] unsigned char var_1_16 = 100; [L34] float var_1_17 = 50.1; [L35] float var_1_18 = 100.9; [L36] float var_1_19 = 8.5; [L37] float var_1_20 = 10.625; [L38] float var_1_21 = 0.0; [L39] float var_1_22 = 7.8; [L40] float var_1_23 = 8.25; [L41] double var_1_24 = 5.5; [L42] signed char var_1_25 = -16; [L43] signed char var_1_27 = 4; [L44] float var_1_28 = 3.5; [L45] signed short int var_1_29 = -8; [L46] signed char var_1_31 = -32; [L47] signed char var_1_32 = 2; [L48] signed long int var_1_34 = -4; [L49] double var_1_38 = 0.5; [L50] double var_1_39 = 255.8; [L51] unsigned long int last_1_var_1_1 = 64; [L52] unsigned char last_1_var_1_11 = 50; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L181] last_1_var_1_1 = var_1_1 [L182] last_1_var_1_11 = var_1_11 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L140] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L141] var_1_5 = __VERIFIER_nondet_ulong() [L142] CALL assume_abort_if_not(var_1_5 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L144] var_1_7 = __VERIFIER_nondet_ulong() [L145] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_8=0, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L147] var_1_9 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0] [L149] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L150] var_1_10 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L153] var_1_12 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_12 >= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 >= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L155] CALL assume_abort_if_not(var_1_12 <= 29) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_12 <= 29) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L156] var_1_13 = __VERIFIER_nondet_long() [L157] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L158] CALL assume_abort_if_not(var_1_13 <= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_13 <= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L159] var_1_16 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L161] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L162] var_1_17 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && 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=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && 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=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L164] var_1_19 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && 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=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && 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=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L166] var_1_20 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L168] var_1_21 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L170] var_1_22 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L172] var_1_23 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L174] var_1_27 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L176] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L177] var_1_39 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_39 >= -922337.2036854765600e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_39 >= -922337.2036854765600e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L193] RET updateVariables() [L194] CALL step() [L56] COND FALSE !((~ (var_1_11 % 200u)) < 32u) [L59] COND TRUE var_1_1 > var_1_11 [L60] var_1_28 = ((((4.2f) < (1.25f)) ? (4.2f) : (1.25f))) [L62] COND TRUE (~ (5 + var_1_11)) >= 10000u [L63] var_1_29 = (((((var_1_11 + var_1_27)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((var_1_11 + var_1_27)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) [L67] var_1_31 = var_1_27 [L68] EXPR var_1_11 | -5 [L68] EXPR ((var_1_27) < ((var_1_11 | -5))) ? (var_1_27) : ((var_1_11 | -5)) [L68] EXPR var_1_11 | -5 [L68] EXPR ((var_1_27) < ((var_1_11 | -5))) ? (var_1_27) : ((var_1_11 | -5)) [L68] COND FALSE !(var_1_11 <= ((((var_1_27) < ((var_1_11 | -5))) ? (var_1_27) : ((var_1_11 | -5))))) [L73] COND TRUE ((((var_1_11) < (var_1_27)) ? (var_1_11) : (var_1_27))) <= var_1_11 [L74] COND FALSE !(\read(var_1_8)) [L90] var_1_38 = var_1_39 [L91] signed long int stepLocal_1 = last_1_var_1_11; [L92] signed long int stepLocal_0 = last_1_var_1_11; [L93] COND TRUE stepLocal_1 < last_1_var_1_1 [L94] COND FALSE !(last_1_var_1_1 <= stepLocal_0) [L98] unsigned long int stepLocal_3 = var_1_7; [L99] EXPR 5u << (var_1_12 - var_1_13) [L99] unsigned long int stepLocal_2 = 5u << (var_1_12 - var_1_13); [L100] COND FALSE !(! ((var_1_5 > var_1_7) || var_1_8)) [L111] var_1_11 = var_1_12 [L113] COND FALSE !(! (var_1_11 >= var_1_11)) [L120] var_1_1 = var_1_11 [L122] COND FALSE !(\read(var_1_10)) [L127] COND FALSE !(\read(var_1_10)) [L130] var_1_18 = (((var_1_21 - var_1_22) - var_1_23) + var_1_20) [L132] unsigned long int stepLocal_4 = ~ var_1_1; [L133] COND FALSE !(stepLocal_4 <= (var_1_12 - var_1_11)) [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L185] EXPR (! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)) [L185] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L185-L186] return ((((((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)))) && (var_1_10 ? ((var_1_1 > (var_1_11 / (var_1_12 + var_1_16))) ? (var_1_15 == ((float) var_1_17)) : 1) : 1)) && (var_1_10 ? (var_1_18 == ((float) (var_1_19 + var_1_20))) : (var_1_18 == ((float) (((var_1_21 - var_1_22) - var_1_23) + var_1_20))))) && (((~ var_1_1) <= (var_1_12 - var_1_11)) ? (var_1_24 == ((double) var_1_22)) : 1) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_17=0, var_1_1=14, var_1_22=0, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=21/5, var_1_29=100, var_1_31=50, var_1_32=2, var_1_34=-4, var_1_38=2, var_1_39=2, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=13, var_1_15=19/4, var_1_16=-255, var_1_17=0, var_1_1=14, var_1_22=0, var_1_24=11/2, var_1_25=-16, var_1_27=50, var_1_28=21/5, var_1_29=100, var_1_31=50, var_1_32=2, var_1_34=-4, var_1_38=2, var_1_39=2, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 25, 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=50occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 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 01:12:13,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 037d5b4f4f3cfb963574c56e4f8027d9770852d6c9f3f3db4945c10da5726615 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:12:16,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:12:16,164 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:12:16,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:12:16,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:12:16,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:12:16,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:12:16,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:12:16,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:12:16,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:12:16,221 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:12:16,221 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:12:16,222 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:12:16,222 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:12:16,225 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:12:16,225 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:12:16,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:12:16,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:12:16,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:12:16,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:12:16,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:12:16,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:12:16,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:12:16,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:12:16,234 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:12:16,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:12:16,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:12:16,235 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:12:16,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:12:16,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:12:16,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:12:16,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:12:16,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:12:16,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:12:16,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:12:16,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:16,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:12:16,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:12:16,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:12:16,245 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:12:16,245 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:12:16,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:12:16,246 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:12:16,246 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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037d5b4f4f3cfb963574c56e4f8027d9770852d6c9f3f3db4945c10da5726615 [2024-11-09 01:12:16,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:12:16,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:12:16,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:12:16,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:12:16,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:12:16,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i Unable to find full path for "g++" [2024-11-09 01:12:19,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:12:19,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:12:19,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i [2024-11-09 01:12:19,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data/95bebf158/8629b450453f4944abb82a1561a88960/FLAG603c1a63c [2024-11-09 01:12:19,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/data/95bebf158/8629b450453f4944abb82a1561a88960 [2024-11-09 01:12:19,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:12:19,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:12:19,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:19,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:12:19,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:12:19,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:19" (1/1) ... [2024-11-09 01:12:19,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5ba8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:19, skipping insertion in model container [2024-11-09 01:12:19,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:19" (1/1) ... [2024-11-09 01:12:19,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:12:19,701 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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i[919,932] [2024-11-09 01:12:19,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:19,891 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:12:19,909 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_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i[919,932] [2024-11-09 01:12:19,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:12:20,021 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:12:20,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20 WrapperNode [2024-11-09 01:12:20,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:12:20,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:20,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:12:20,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:12:20,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,118 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-11-09 01:12:20,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:12:20,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:12:20,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:12:20,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:12:20,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:12:20,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:12:20,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:12:20,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:12:20,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (1/1) ... [2024-11-09 01:12:20,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:12:20,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:12:20,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:12:20,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:12:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:12:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:12:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:12:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:12:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:12:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:12:20,383 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:12:20,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:12:24,101 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 01:12:24,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:12:24,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:12:24,124 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:12:24,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:24 BoogieIcfgContainer [2024-11-09 01:12:24,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:12:24,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:12:24,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:12:24,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:12:24,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:12:19" (1/3) ... [2024-11-09 01:12:24,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6655cf99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:24, skipping insertion in model container [2024-11-09 01:12:24,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:20" (2/3) ... [2024-11-09 01:12:24,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6655cf99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:24, skipping insertion in model container [2024-11-09 01:12:24,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:24" (3/3) ... [2024-11-09 01:12:24,138 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-74.i [2024-11-09 01:12:24,161 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:12:24,161 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:12:24,236 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:12:24,243 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;@1d08005b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:12:24,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:12:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 59 states have internal predecessors, (85), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 01:12:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-09 01:12:24,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:24,267 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:24,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:24,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:24,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1382679241, now seen corresponding path program 1 times [2024-11-09 01:12:24,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:24,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460180713] [2024-11-09 01:12:24,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:24,293 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 01:12:24,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:24,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:24,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:24,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:12:24,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2024-11-09 01:12:24,989 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:24,990 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:24,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460180713] [2024-11-09 01:12:24,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460180713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:24,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:12:24,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:12:24,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989274436] [2024-11-09 01:12:24,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:25,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:12:25,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:12:25,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:12:25,037 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 59 states have internal predecessors, (85), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 01:12:25,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:25,080 INFO L93 Difference]: Finished difference Result 161 states and 281 transitions. [2024-11-09 01:12:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:12:25,084 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 166 [2024-11-09 01:12:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:25,093 INFO L225 Difference]: With dead ends: 161 [2024-11-09 01:12:25,093 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 01:12:25,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 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 01:12:25,101 INFO L432 NwaCegarLoop]: 115 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, 115 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 01:12:25,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:12:25,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 01:12:25,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-09 01:12:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 51 states have internal predecessors, (65), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 01:12:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 115 transitions. [2024-11-09 01:12:25,163 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 115 transitions. Word has length 166 [2024-11-09 01:12:25,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:25,164 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 115 transitions. [2024-11-09 01:12:25,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 01:12:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2024-11-09 01:12:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-09 01:12:25,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:25,170 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:25,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:25,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:25,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:25,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash 599685521, now seen corresponding path program 1 times [2024-11-09 01:12:25,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:25,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748318488] [2024-11-09 01:12:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:25,375 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 01:12:25,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:25,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:25,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:25,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:12:25,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 01:12:28,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:28,513 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:28,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748318488] [2024-11-09 01:12:28,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748318488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:28,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:12:28,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:12:28,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956920217] [2024-11-09 01:12:28,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:28,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:12:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:28,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:12:28,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:12:28,520 INFO L87 Difference]: Start difference. First operand 78 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 01:12:31,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:33,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:33,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:33,107 INFO L93 Difference]: Finished difference Result 229 states and 340 transitions. [2024-11-09 01:12:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:12:33,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 166 [2024-11-09 01:12:33,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:33,131 INFO L225 Difference]: With dead ends: 229 [2024-11-09 01:12:33,132 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 01:12:33,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:12:33,134 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 74 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:12:33,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 348 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 01:12:33,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 01:12:33,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 136. [2024-11-09 01:12:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 83 states have (on average 1.2048192771084338) internal successors, (100), 83 states have internal predecessors, (100), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 01:12:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 200 transitions. [2024-11-09 01:12:33,173 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 200 transitions. Word has length 166 [2024-11-09 01:12:33,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:33,174 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 200 transitions. [2024-11-09 01:12:33,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 01:12:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 200 transitions. [2024-11-09 01:12:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 01:12:33,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:33,178 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:33,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 01:12:33,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:33,379 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:33,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:33,380 INFO L85 PathProgramCache]: Analyzing trace with hash -405724476, now seen corresponding path program 1 times [2024-11-09 01:12:33,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:33,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117207846] [2024-11-09 01:12:33,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:33,382 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 01:12:33,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:33,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:33,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:33,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:12:33,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 01:12:36,127 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:36,127 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:36,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117207846] [2024-11-09 01:12:36,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117207846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:36,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:12:36,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:12:36,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936616580] [2024-11-09 01:12:36,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:36,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:12:36,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:36,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:12:36,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:12:36,132 INFO L87 Difference]: Start difference. First operand 136 states and 200 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 01:12:38,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:40,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:42,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:42,706 INFO L93 Difference]: Finished difference Result 229 states and 338 transitions. [2024-11-09 01:12:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:12:42,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2024-11-09 01:12:42,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:42,736 INFO L225 Difference]: With dead ends: 229 [2024-11-09 01:12:42,737 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 01:12:42,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:12:42,740 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 72 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 51 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:12:42,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 349 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 103 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2024-11-09 01:12:42,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 01:12:42,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 137. [2024-11-09 01:12:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 84 states have (on average 1.2023809523809523) internal successors, (101), 84 states have internal predecessors, (101), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 01:12:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 201 transitions. [2024-11-09 01:12:42,785 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 201 transitions. Word has length 167 [2024-11-09 01:12:42,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:42,787 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 201 transitions. [2024-11-09 01:12:42,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 01:12:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 201 transitions. [2024-11-09 01:12:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 01:12:42,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:42,791 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:42,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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)] Forceful destruction successful, exit code 0 [2024-11-09 01:12:42,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:42,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:42,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:42,993 INFO L85 PathProgramCache]: Analyzing trace with hash -147559038, now seen corresponding path program 1 times [2024-11-09 01:12:42,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:42,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187604109] [2024-11-09 01:12:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:42,995 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 01:12:42,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:42,996 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:42,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:43,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:12:43,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 582 proven. 45 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-09 01:12:44,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:12:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-09 01:12:45,033 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187604109] [2024-11-09 01:12:45,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187604109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:12:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1414453699] [2024-11-09 01:12:45,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:45,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:12:45,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:12:45,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:12:45,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 01:12:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:45,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:12:45,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 01:12:45,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:45,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1414453699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:45,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:12:45,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 7 [2024-11-09 01:12:45,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242556515] [2024-11-09 01:12:45,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:45,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:12:45,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:45,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:12:45,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:12:45,774 INFO L87 Difference]: Start difference. First operand 137 states and 201 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 01:12:47,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:49,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:49,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:49,325 INFO L93 Difference]: Finished difference Result 243 states and 352 transitions. [2024-11-09 01:12:49,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:12:49,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2024-11-09 01:12:49,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:49,329 INFO L225 Difference]: With dead ends: 243 [2024-11-09 01:12:49,330 INFO L226 Difference]: Without dead ends: 168 [2024-11-09 01:12:49,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 491 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:12:49,332 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 36 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:12:49,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 217 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 01:12:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-09 01:12:49,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2024-11-09 01:12:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1862745098039216) internal successors, (121), 103 states have internal predecessors, (121), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 01:12:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 237 transitions. [2024-11-09 01:12:49,392 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 237 transitions. Word has length 167 [2024-11-09 01:12:49,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:49,393 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 237 transitions. [2024-11-09 01:12:49,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 01:12:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 237 transitions. [2024-11-09 01:12:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 01:12:49,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:49,397 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:49,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-09 01:12:49,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 01:12:49,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 01:12:49,798 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:49,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:49,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1627448324, now seen corresponding path program 1 times [2024-11-09 01:12:49,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:49,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145249123] [2024-11-09 01:12:49,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:49,800 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 01:12:49,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:49,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 01:12:49,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/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 (7)] Waiting until timeout for monitored process [2024-11-09 01:12:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:50,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:12:50,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 78 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-09 01:12:52,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:12:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-09 01:12:53,515 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:53,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145249123] [2024-11-09 01:12:53,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145249123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:12:53,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1591882901] [2024-11-09 01:12:53,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:53,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:12:53,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:12:53,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:12:53,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53e13a0-b241-4ccf-89ea-2cf7e9f71c2f/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 01:12:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:55,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 01:12:55,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:14:06,279 WARN L286 SmtUtils]: Spent 22.06s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:15:04,101 WARN L286 SmtUtils]: Spent 21.81s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:16:37,652 WARN L286 SmtUtils]: Spent 33.32s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)