./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.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_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:50:32,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:50:32,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:50:32,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:50:32,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:50:32,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:50:32,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:50:32,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:50:32,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:50:32,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:50:32,639 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:50:32,639 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:50:32,640 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:50:32,640 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:50:32,645 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:50:32,646 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:50:32,646 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:50:32,647 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:50:32,654 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:50:32,655 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:50:32,655 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:50:32,656 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:50:32,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:50:32,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:50:32,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:50:32,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:50:32,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:50:32,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:50:32,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:50:32,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:50:32,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:50:32,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:50:32,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:50:32,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:50:32,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:50:32,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:50:32,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:50:32,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:50:32,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:32,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:50:32,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:50:32,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:50:32,678 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:50:32,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:50:32,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:50:32,680 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:50:32,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:50:32,682 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_f80868a8-9adb-456d-8a1c-600faf4ada1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f [2024-11-09 06:50:33,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:50:33,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:50:33,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:50:33,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:50:33,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:50:33,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i Unable to find full path for "g++" [2024-11-09 06:50:35,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:50:35,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:50:35,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i [2024-11-09 06:50:35,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data/744194cf4/56e866c63172478ca43b75d49adca1be/FLAGe2bb21b60 [2024-11-09 06:50:35,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data/744194cf4/56e866c63172478ca43b75d49adca1be [2024-11-09 06:50:35,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:50:35,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:50:35,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:35,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:50:35,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:50:35,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:35" (1/1) ... [2024-11-09 06:50:35,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c8ed35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:35, skipping insertion in model container [2024-11-09 06:50:35,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:35" (1/1) ... [2024-11-09 06:50:35,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:50:36,158 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_f80868a8-9adb-456d-8a1c-600faf4ada1b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2024-11-09 06:50:36,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:36,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:50:36,333 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_f80868a8-9adb-456d-8a1c-600faf4ada1b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2024-11-09 06:50:36,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:36,405 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:50:36,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36 WrapperNode [2024-11-09 06:50:36,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:36,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:36,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:50:36,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:50:36,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,500 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 296 [2024-11-09 06:50:36,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:36,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:50:36,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:50:36,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:50:36,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:50:36,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:50:36,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:50:36,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:50:36,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (1/1) ... [2024-11-09 06:50:36,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:36,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:36,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:50:36,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:50:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:50:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:50:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:50:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:50:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:50:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:50:36,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:50:36,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:50:37,558 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-09 06:50:37,559 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:50:38,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:50:38,252 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:50:38,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:38 BoogieIcfgContainer [2024-11-09 06:50:38,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:50:38,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:50:38,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:50:38,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:50:38,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:50:35" (1/3) ... [2024-11-09 06:50:38,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd4b2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:38, skipping insertion in model container [2024-11-09 06:50:38,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:36" (2/3) ... [2024-11-09 06:50:38,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd4b2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:38, skipping insertion in model container [2024-11-09 06:50:38,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:38" (3/3) ... [2024-11-09 06:50:38,265 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-11.i [2024-11-09 06:50:38,285 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:50:38,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:50:38,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:50:38,372 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;@442d6a50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:50:38,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:50:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:50:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 06:50:38,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:50:38,389 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:38,390 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:50:38,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:38,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1471363860, now seen corresponding path program 1 times [2024-11-09 06:50:38,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:50:38,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469695887] [2024-11-09 06:50:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:50:39,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010701751] [2024-11-09 06:50:39,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:39,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:50:39,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:39,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:50:39,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:50:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:50:40,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:50:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:50:41,349 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:50:41,352 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:50:41,353 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:50:41,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:50:41,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:50:41,567 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:50:41,763 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:50:41,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:50:41 BoogieIcfgContainer [2024-11-09 06:50:41,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:50:41,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:50:41,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:50:41,768 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:50:41,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:38" (3/4) ... [2024-11-09 06:50:41,771 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:50:41,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:50:41,773 INFO L158 Benchmark]: Toolchain (without parser) took 5991.08ms. Allocated memory was 155.2MB in the beginning and 247.5MB in the end (delta: 92.3MB). Free memory was 117.4MB in the beginning and 173.2MB in the end (delta: -55.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-11-09 06:50:41,773 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:41,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.09ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 114.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:50:41,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.43ms. Allocated memory is still 155.2MB. Free memory was 114.0MB in the beginning and 107.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:50:41,775 INFO L158 Benchmark]: Boogie Preprocessor took 55.09ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 104.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:50:41,776 INFO L158 Benchmark]: RCFGBuilder took 1694.76ms. Allocated memory was 155.2MB in the beginning and 247.5MB in the end (delta: 92.3MB). Free memory was 104.2MB in the beginning and 211.5MB in the end (delta: -107.3MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2024-11-09 06:50:41,777 INFO L158 Benchmark]: TraceAbstraction took 3510.83ms. Allocated memory is still 247.5MB. Free memory was 210.6MB in the beginning and 174.3MB in the end (delta: 36.3MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-09 06:50:41,777 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 247.5MB. Free memory was 174.3MB in the beginning and 173.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:41,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.09ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 114.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.43ms. Allocated memory is still 155.2MB. Free memory was 114.0MB in the beginning and 107.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.09ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 104.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1694.76ms. Allocated memory was 155.2MB in the beginning and 247.5MB in the end (delta: 92.3MB). Free memory was 104.2MB in the beginning and 211.5MB in the end (delta: -107.3MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3510.83ms. Allocated memory is still 247.5MB. Free memory was 210.6MB in the beginning and 174.3MB in the end (delta: 36.3MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 247.5MB. Free memory was 174.3MB in the beginning and 173.2MB in the end (delta: 1.0MB). 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 bitwiseOr at line 61, overapproximation of shiftRight at line 95, overapproximation of bitwiseAnd at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 4.75; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_6 = -4; [L25] double var_1_7 = 49.8; [L26] double var_1_8 = 255.625; [L27] unsigned short int var_1_9 = 10; [L28] unsigned short int var_1_11 = 10000; [L29] signed char var_1_12 = 100; [L30] signed char var_1_13 = 16; [L31] unsigned long int var_1_14 = 4; [L32] signed short int var_1_15 = -16; [L33] unsigned char var_1_17 = 5; [L34] double var_1_18 = 64.75; [L35] double var_1_19 = 99.5; [L36] unsigned long int var_1_20 = 32; [L37] unsigned long int var_1_22 = 32; [L38] unsigned long int var_1_23 = 2461517415; [L39] unsigned long int var_1_24 = 1399914902; [L40] unsigned char var_1_25 = 2; [L41] signed long int var_1_26 = 4; [L42] unsigned char var_1_27 = 0; [L43] unsigned short int var_1_28 = 32; [L44] unsigned short int var_1_29 = 36457; [L45] double last_1_var_1_1 = 4.75; [L46] unsigned short int last_1_var_1_9 = 10; [L47] unsigned short int last_1_var_1_11 = 10000; [L48] unsigned long int last_1_var_1_14 = 4; [L49] signed short int last_1_var_1_15 = -16; [L50] unsigned char last_1_var_1_17 = 5; [L51] double last_1_var_1_18 = 64.75; [L52] unsigned long int last_1_var_1_20 = 32; [L53] unsigned long int last_1_var_1_22 = 32; [L54] unsigned char last_1_var_1_25 = 2; [L55] signed long int last_1_var_1_26 = 4; [L56] unsigned short int last_1_var_1_28 = 32; [L193] isInitial = 1 [L194] FCALL initially() [L195] int k_loop; [L196] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L196] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L196] COND TRUE k_loop < 1 [L197] CALL updateLastVariables() [L175] last_1_var_1_1 = var_1_1 [L176] last_1_var_1_9 = var_1_9 [L177] last_1_var_1_11 = var_1_11 [L178] last_1_var_1_14 = var_1_14 [L179] last_1_var_1_15 = var_1_15 [L180] last_1_var_1_17 = var_1_17 [L181] last_1_var_1_18 = var_1_18 [L182] last_1_var_1_20 = var_1_20 [L183] last_1_var_1_22 = var_1_22 [L184] last_1_var_1_25 = var_1_25 [L185] last_1_var_1_26 = var_1_26 [L186] last_1_var_1_28 = var_1_28 [L197] RET updateLastVariables() [L198] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L145] var_1_6 = __VERIFIER_nondet_long() [L146] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L147] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L148] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_8=2045/8, var_1_9=10] [L151] var_1_8 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L153] var_1_12 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L155] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L156] var_1_13 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L159] var_1_19 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L161] var_1_23 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L163] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L164] var_1_24 = __VERIFIER_nondet_ulong() [L165] CALL assume_abort_if_not(var_1_24 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_24 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L166] CALL assume_abort_if_not(var_1_24 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L167] var_1_27 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L169] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-5, var_1_9=10] [L170] var_1_29 = __VERIFIER_nondet_ushort() [L171] CALL assume_abort_if_not(var_1_29 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=98303, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_29 >= 32767) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=98303, var_1_2=0, var_1_6=-5, var_1_9=10] [L172] CALL assume_abort_if_not(var_1_29 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=98303, var_1_2=0, var_1_6=-5, var_1_9=10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 <= 65534) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=2, var_1_26=4, var_1_27=1, var_1_28=32, var_1_29=98303, var_1_2=0, var_1_6=-5, var_1_9=10] [L198] RET updateVariables() [L199] CALL step() [L60] EXPR var_1_6 & 10000 [L60] signed long int stepLocal_0 = var_1_6 & 10000; [L61] EXPR (last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9 [L61] COND TRUE ((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < stepLocal_0 [L62] var_1_1 = var_1_7 [L66] COND TRUE last_1_var_1_14 <= last_1_var_1_15 [L67] COND FALSE !(((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13)))) [L70] var_1_14 = last_1_var_1_22 [L75] COND FALSE !(last_1_var_1_20 > last_1_var_1_15) [L80] COND TRUE last_1_var_1_14 <= 16 [L81] var_1_9 = last_1_var_1_25 [L84] unsigned long int stepLocal_5 = (3423867512u - var_1_13) - var_1_24; [L85] signed long int stepLocal_4 = 8; [L86] EXPR last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))) [L86] COND TRUE stepLocal_4 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25)))) [L87] COND TRUE var_1_8 >= last_1_var_1_18 [L88] EXPR last_1_var_1_28 | last_1_var_1_25 [L88] COND TRUE ((last_1_var_1_28 | last_1_var_1_25) + last_1_var_1_11) < stepLocal_5 [L89] var_1_25 = var_1_13 [L95] EXPR last_1_var_1_11 >> var_1_14 [L95] COND FALSE !(! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) [L98] signed char stepLocal_1 = var_1_13; [L99] COND TRUE (var_1_9 + var_1_25) >= stepLocal_1 [L100] var_1_18 = ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))) [L102] var_1_17 = var_1_13 [L103] COND TRUE ! var_1_2 [L104] var_1_22 = (var_1_23 - var_1_25) [L108] COND FALSE !(var_1_7 >= 4.5) [L111] var_1_28 = (var_1_29 - (var_1_13 + ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) [L112] unsigned long int stepLocal_3 = var_1_22; [L113] signed char stepLocal_2 = var_1_13; [L114] COND FALSE !(stepLocal_2 == (var_1_6 * (var_1_12 - 64))) [L117] COND FALSE !(! (var_1_7 <= (var_1_1 * var_1_8))) [L125] unsigned long int stepLocal_7 = var_1_14; [L126] unsigned long int stepLocal_6 = var_1_23; [L127] COND FALSE !(\read(var_1_2)) [L199] RET step() [L200] CALL, EXPR property() [L189] EXPR (last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9 [L189] EXPR var_1_6 & 10000 [L189] EXPR (((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1) [L189] EXPR ((((((((((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1)) && ((last_1_var_1_14 <= last_1_var_1_15) ? ((((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13)))) ? (var_1_14 == ((unsigned long int) var_1_13)) : (var_1_14 == ((unsigned long int) last_1_var_1_22))) : (var_1_14 == ((unsigned long int) last_1_var_1_26)))) && ((var_1_7 >= 4.5) ? (var_1_15 == ((signed short int) (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) - ((((var_1_13) > (var_1_25)) ? (var_1_13) : (var_1_25)))))) : 1)) && (var_1_17 == ((unsigned char) var_1_13))) && (((var_1_9 + var_1_25) >= var_1_13) ? (var_1_18 == ((double) ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))))) : 1)) && ((var_1_13 == (var_1_6 * (var_1_12 - 64))) ? (var_1_20 == ((unsigned long int) var_1_17)) : ((! (var_1_7 <= (var_1_1 * var_1_8))) ? ((var_1_28 < var_1_22) ? (var_1_20 == ((unsigned long int) var_1_9)) : (var_1_20 == ((unsigned long int) var_1_9))) : 1))) && ((! var_1_2) ? (var_1_22 == ((unsigned long int) (var_1_23 - var_1_25))) : (var_1_22 == ((unsigned long int) (var_1_17 + (var_1_24 - var_1_9)))))) && ((8 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))))) ? ((var_1_8 >= last_1_var_1_18) ? ((((last_1_var_1_28 | last_1_var_1_25) + last_1_var_1_11) < ((3423867512u - var_1_13) - var_1_24)) ? (var_1_25 == ((unsigned char) var_1_13)) : 1) : 1) : (var_1_25 == ((unsigned char) var_1_13))) [L189-L190] return ((((((((((((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1)) && ((last_1_var_1_14 <= last_1_var_1_15) ? ((((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13)))) ? (var_1_14 == ((unsigned long int) var_1_13)) : (var_1_14 == ((unsigned long int) last_1_var_1_22))) : (var_1_14 == ((unsigned long int) last_1_var_1_26)))) && ((var_1_7 >= 4.5) ? (var_1_15 == ((signed short int) (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) - ((((var_1_13) > (var_1_25)) ? (var_1_13) : (var_1_25)))))) : 1)) && (var_1_17 == ((unsigned char) var_1_13))) && (((var_1_9 + var_1_25) >= var_1_13) ? (var_1_18 == ((double) ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))))) : 1)) && ((var_1_13 == (var_1_6 * (var_1_12 - 64))) ? (var_1_20 == ((unsigned long int) var_1_17)) : ((! (var_1_7 <= (var_1_1 * var_1_8))) ? ((var_1_28 < var_1_22) ? (var_1_20 == ((unsigned long int) var_1_9)) : (var_1_20 == ((unsigned long int) var_1_9))) : 1))) && ((! var_1_2) ? (var_1_22 == ((unsigned long int) (var_1_23 - var_1_25))) : (var_1_22 == ((unsigned long int) (var_1_17 + (var_1_24 - var_1_9)))))) && ((8 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))))) ? ((var_1_8 >= last_1_var_1_18) ? ((((last_1_var_1_28 | last_1_var_1_25) + last_1_var_1_11) < ((3423867512u - var_1_13) - var_1_24)) ? (var_1_25 == ((unsigned char) var_1_13)) : 1) : 1) : (var_1_25 == ((unsigned char) var_1_13)))) && (var_1_2 ? ((var_1_23 >= var_1_25) ? (((var_1_25 - 10) <= var_1_14) ? (var_1_27 ? (var_1_26 == ((signed long int) (((((((((var_1_25) < (var_1_22)) ? (var_1_25) : (var_1_22)))) < (var_1_17)) ? (((((var_1_25) < (var_1_22)) ? (var_1_25) : (var_1_22)))) : (var_1_17))) + var_1_17))) : 1) : (var_1_26 == ((signed long int) ((((var_1_12) < (var_1_17)) ? (var_1_12) : (var_1_17)))))) : (var_1_26 == ((signed long int) ((-32 + var_1_22) + var_1_14)))) : 1)) && (var_1_28 == ((unsigned short int) (var_1_29 - (var_1_13 + ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))))) ; [L200] RET, EXPR property() [L200] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=32, var_1_15=-16, var_1_17=32, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=32, var_1_22=10737418207, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=32, var_1_26=4, var_1_27=1, var_1_28=32719, var_1_29=98303, var_1_2=0, var_1_6=-5, var_1_7=2, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=-1, var_1_13=32, var_1_14=32, var_1_15=-16, var_1_17=32, var_1_18=2, var_1_19=0, var_1_1=2, var_1_20=32, var_1_22=10737418207, var_1_23=10737418239, var_1_24=-3221225473, var_1_25=32, var_1_26=4, var_1_27=1, var_1_28=32719, var_1_29=98303, var_1_2=0, var_1_6=-5, var_1_7=2, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 20, 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=42occurred 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, 2.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 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 06:50:41,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:50:44,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:50:44,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:50:44,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:50:44,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:50:44,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:50:44,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:50:44,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:50:44,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:50:44,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:50:44,685 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:50:44,685 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:50:44,685 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:50:44,686 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:50:44,686 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:50:44,687 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:50:44,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:50:44,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:50:44,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:50:44,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:50:44,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:50:44,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:50:44,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:50:44,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:50:44,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:50:44,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:50:44,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:50:44,697 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:50:44,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:50:44,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:50:44,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:50:44,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:50:44,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:50:44,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:50:44,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:50:44,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:44,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:50:44,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:50:44,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:50:44,706 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:50:44,706 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:50:44,714 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:50:44,715 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:50:44,715 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_f80868a8-9adb-456d-8a1c-600faf4ada1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f [2024-11-09 06:50:45,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:50:45,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:50:45,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:50:45,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:50:45,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:50:45,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i Unable to find full path for "g++" [2024-11-09 06:50:47,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:50:47,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:50:47,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i [2024-11-09 06:50:47,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data/83b8a4a5b/e9164d1444774978af22853490eca373/FLAGeb290bb29 [2024-11-09 06:50:47,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/data/83b8a4a5b/e9164d1444774978af22853490eca373 [2024-11-09 06:50:47,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:50:47,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:50:47,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:47,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:50:47,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:50:47,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:47" (1/1) ... [2024-11-09 06:50:47,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df7f7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:47, skipping insertion in model container [2024-11-09 06:50:47,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:47" (1/1) ... [2024-11-09 06:50:47,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:50:48,114 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_f80868a8-9adb-456d-8a1c-600faf4ada1b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2024-11-09 06:50:48,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:48,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:50:48,286 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_f80868a8-9adb-456d-8a1c-600faf4ada1b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2024-11-09 06:50:48,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:48,396 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:50:48,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48 WrapperNode [2024-11-09 06:50:48,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:48,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:48,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:50:48,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:50:48,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,468 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-11-09 06:50:48,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:48,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:50:48,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:50:48,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:50:48,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:50:48,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:50:48,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:50:48,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:50:48,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (1/1) ... [2024-11-09 06:50:48,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:48,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:48,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:50:48,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:50:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:50:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:50:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:50:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:50:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:50:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:50:48,762 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:50:48,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:50:53,950 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 06:50:53,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:50:53,969 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:50:53,970 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:50:53,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:53 BoogieIcfgContainer [2024-11-09 06:50:53,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:50:53,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:50:53,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:50:53,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:50:53,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:50:47" (1/3) ... [2024-11-09 06:50:53,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681aaaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:53, skipping insertion in model container [2024-11-09 06:50:53,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:48" (2/3) ... [2024-11-09 06:50:53,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681aaaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:53, skipping insertion in model container [2024-11-09 06:50:53,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:53" (3/3) ... [2024-11-09 06:50:53,983 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-11.i [2024-11-09 06:50:54,004 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:50:54,004 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:50:54,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:50:54,091 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;@5f0bb08b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:50:54,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:50:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:50:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 06:50:54,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:50:54,130 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:54,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:50:54,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1974234771, now seen corresponding path program 1 times [2024-11-09 06:50:54,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:50:54,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393812909] [2024-11-09 06:50:54,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:54,157 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 06:50:54,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:50:54,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:50:54,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:50:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:54,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:50:54,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:50:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-09 06:50:54,756 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:50:54,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:50:54,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393812909] [2024-11-09 06:50:54,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393812909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:54,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:54,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:50:54,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065710406] [2024-11-09 06:50:54,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:54,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:50:54,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:50:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:50:54,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:50:54,829 INFO L87 Difference]: Start difference. First operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 06:50:54,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:50:54,887 INFO L93 Difference]: Finished difference Result 149 states and 253 transitions. [2024-11-09 06:50:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:50:54,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2024-11-09 06:50:54,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:50:54,899 INFO L225 Difference]: With dead ends: 149 [2024-11-09 06:50:54,902 INFO L226 Difference]: Without dead ends: 72 [2024-11-09 06:50:54,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 06:50:54,913 INFO L432 NwaCegarLoop]: 116 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, 116 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 06:50:54,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:50:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-09 06:50:54,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-09 06:50:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:50:54,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2024-11-09 06:50:54,971 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 137 [2024-11-09 06:50:54,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:50:54,975 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2024-11-09 06:50:54,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 06:50:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2024-11-09 06:50:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 06:50:54,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:50:54,984 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:55,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:50:55,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:50:55,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:50:55,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:55,186 INFO L85 PathProgramCache]: Analyzing trace with hash -275982875, now seen corresponding path program 1 times [2024-11-09 06:50:55,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:50:55,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549041666] [2024-11-09 06:50:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:55,187 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 06:50:55,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:50:55,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:50:55,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:50:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:55,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:50:55,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:50:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-09 06:50:58,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:50:58,442 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:50:58,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549041666] [2024-11-09 06:50:58,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549041666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:58,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:58,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:50:58,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060952174] [2024-11-09 06:50:58,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:58,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:50:58,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:50:58,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:50:58,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:50:58,446 INFO L87 Difference]: Start difference. First operand 72 states and 111 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:01,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:02,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:05,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:05,142 INFO L93 Difference]: Finished difference Result 212 states and 329 transitions. [2024-11-09 06:51:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:51:05,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-09 06:51:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:05,180 INFO L225 Difference]: With dead ends: 212 [2024-11-09 06:51:05,180 INFO L226 Difference]: Without dead ends: 143 [2024-11-09 06:51:05,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:51:05,183 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 71 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 42 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:05,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 295 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 30 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2024-11-09 06:51:05,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-09 06:51:05,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 115. [2024-11-09 06:51:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 states have internal predecessors, (96), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 06:51:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 176 transitions. [2024-11-09 06:51:05,231 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 176 transitions. Word has length 137 [2024-11-09 06:51:05,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:05,232 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 176 transitions. [2024-11-09 06:51:05,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2024-11-09 06:51:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 06:51:05,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:05,239 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:05,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 06:51:05,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:05,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:05,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1864848454, now seen corresponding path program 1 times [2024-11-09 06:51:05,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:05,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008263970] [2024-11-09 06:51:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:05,443 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 06:51:05,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:05,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:05,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:05,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:51:05,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-09 06:51:08,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:51:08,380 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:08,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008263970] [2024-11-09 06:51:08,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008263970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:08,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:08,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:51:08,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51559019] [2024-11-09 06:51:08,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:08,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:51:08,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:08,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:51:08,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:51:08,387 INFO L87 Difference]: Start difference. First operand 115 states and 176 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:10,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:12,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:12,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:12,726 INFO L93 Difference]: Finished difference Result 269 states and 414 transitions. [2024-11-09 06:51:12,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:51:12,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2024-11-09 06:51:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:12,738 INFO L225 Difference]: With dead ends: 269 [2024-11-09 06:51:12,738 INFO L226 Difference]: Without dead ends: 200 [2024-11-09 06:51:12,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:51:12,740 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 109 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:12,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 327 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-09 06:51:12,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-09 06:51:12,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 180. [2024-11-09 06:51:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 116 states have (on average 1.353448275862069) internal successors, (157), 116 states have internal predecessors, (157), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-09 06:51:12,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 277 transitions. [2024-11-09 06:51:12,791 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 277 transitions. Word has length 138 [2024-11-09 06:51:12,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:12,792 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 277 transitions. [2024-11-09 06:51:12,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 277 transitions. [2024-11-09 06:51:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 06:51:12,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:12,796 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:12,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 06:51:12,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:12,997 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:12,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:12,998 INFO L85 PathProgramCache]: Analyzing trace with hash 985050298, now seen corresponding path program 1 times [2024-11-09 06:51:12,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:12,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753541457] [2024-11-09 06:51:12,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:12,999 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 06:51:13,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:13,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:13,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:13,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:51:13,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-09 06:51:14,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:51:14,701 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:14,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753541457] [2024-11-09 06:51:14,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753541457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:14,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:51:14,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:51:14,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419053282] [2024-11-09 06:51:14,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:14,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:51:14,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:14,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:51:14,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:51:14,706 INFO L87 Difference]: Start difference. First operand 180 states and 277 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:16,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:19,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:19,202 INFO L93 Difference]: Finished difference Result 355 states and 549 transitions. [2024-11-09 06:51:19,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:51:19,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2024-11-09 06:51:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:19,234 INFO L225 Difference]: With dead ends: 355 [2024-11-09 06:51:19,234 INFO L226 Difference]: Without dead ends: 221 [2024-11-09 06:51:19,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:51:19,237 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 77 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:19,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 370 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 06:51:19,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-09 06:51:19,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 182. [2024-11-09 06:51:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-09 06:51:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 279 transitions. [2024-11-09 06:51:19,296 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 279 transitions. Word has length 138 [2024-11-09 06:51:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:19,298 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 279 transitions. [2024-11-09 06:51:19,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 279 transitions. [2024-11-09 06:51:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 06:51:19,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:19,304 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:19,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:51:19,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:19,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:19,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:19,505 INFO L85 PathProgramCache]: Analyzing trace with hash -809157751, now seen corresponding path program 1 times [2024-11-09 06:51:19,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:19,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498088694] [2024-11-09 06:51:19,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:19,506 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 06:51:19,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:19,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:19,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 06:51:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:20,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:51:20,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-09 06:51:22,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:51:23,377 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498088694] [2024-11-09 06:51:23,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498088694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:51:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2086763416] [2024-11-09 06:51:23,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:23,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:51:23,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:51:23,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:51:23,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 06:51:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:24,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:51:24,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-09 06:51:28,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:51:28,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2086763416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:28,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:51:28,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2024-11-09 06:51:28,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348376177] [2024-11-09 06:51:28,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:28,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:51:28,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:28,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:51:28,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:51:28,132 INFO L87 Difference]: Start difference. First operand 182 states and 279 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:33,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:51:35,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:51:37,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:40,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:42,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:51:46,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:51:49,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:51:49,431 INFO L93 Difference]: Finished difference Result 637 states and 978 transitions. [2024-11-09 06:51:49,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:51:49,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2024-11-09 06:51:49,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:51:49,442 INFO L225 Difference]: With dead ends: 637 [2024-11-09 06:51:49,442 INFO L226 Difference]: Without dead ends: 503 [2024-11-09 06:51:49,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:51:49,444 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 205 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 40 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:51:49,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 471 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 329 Invalid, 6 Unknown, 0 Unchecked, 20.4s Time] [2024-11-09 06:51:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-09 06:51:49,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 422. [2024-11-09 06:51:49,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 296 states have (on average 1.4087837837837838) internal successors, (417), 298 states have internal predecessors, (417), 118 states have call successors, (118), 7 states have call predecessors, (118), 7 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-09 06:51:49,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 653 transitions. [2024-11-09 06:51:49,538 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 653 transitions. Word has length 139 [2024-11-09 06:51:49,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:51:49,540 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 653 transitions. [2024-11-09 06:51:49,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:51:49,541 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 653 transitions. [2024-11-09 06:51:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 06:51:49,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:51:49,543 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:49,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:51:49,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:51:49,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:49,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:51:49,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:51:49,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1067323189, now seen corresponding path program 1 times [2024-11-09 06:51:49,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:51:49,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624820848] [2024-11-09 06:51:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:49,947 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 06:51:49,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:51:49,948 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:51:49,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 (8)] Waiting until timeout for monitored process [2024-11-09 06:51:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:50,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:51:50,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-09 06:51:52,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:51:53,513 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:51:53,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624820848] [2024-11-09 06:51:53,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624820848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:51:53,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1027577973] [2024-11-09 06:51:53,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:53,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:51:53,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:51:53,515 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:51:53,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 06:51:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:54,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:51:54,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-09 06:51:58,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:51:58,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1027577973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:51:58,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:51:58,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-09 06:51:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158610276] [2024-11-09 06:51:58,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:51:58,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:51:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:51:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:51:58,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-09 06:51:58,902 INFO L87 Difference]: Start difference. First operand 422 states and 653 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:52:03,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:52:05,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:07,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:09,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:52:11,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:52:13,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:52:15,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:52:19,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:52:19,673 INFO L93 Difference]: Finished difference Result 1150 states and 1777 transitions. [2024-11-09 06:52:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:19,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2024-11-09 06:52:19,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:52:19,687 INFO L225 Difference]: With dead ends: 1150 [2024-11-09 06:52:19,687 INFO L226 Difference]: Without dead ends: 780 [2024-11-09 06:52:19,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:52:19,694 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 322 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 100 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:52:19,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 435 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 278 Invalid, 5 Unknown, 0 Unchecked, 20.1s Time] [2024-11-09 06:52:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-09 06:52:19,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 658. [2024-11-09 06:52:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 470 states have (on average 1.4191489361702128) internal successors, (667), 474 states have internal predecessors, (667), 176 states have call successors, (176), 11 states have call predecessors, (176), 11 states have return successors, (176), 172 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-09 06:52:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1019 transitions. [2024-11-09 06:52:19,846 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1019 transitions. Word has length 139 [2024-11-09 06:52:19,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:52:19,846 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 1019 transitions. [2024-11-09 06:52:19,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-09 06:52:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1019 transitions. [2024-11-09 06:52:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 06:52:19,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:52:19,850 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:52:19,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 (8)] Forceful destruction successful, exit code 0 [2024-11-09 06:52:20,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:52:20,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:52:20,251 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:52:20,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:20,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2078440439, now seen corresponding path program 1 times [2024-11-09 06:52:20,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:52:20,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168360051] [2024-11-09 06:52:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:20,252 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 06:52:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:52:20,253 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 06:52:20,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80868a8-9adb-456d-8a1c-600faf4ada1b/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 (10)] Waiting until timeout for monitored process [2024-11-09 06:52:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:20,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 06:52:20,676 INFO L278 TraceCheckSpWp]: Computing forward predicates...