./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5 --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 a8e8864fbe413b3462ae8de456d5394de90101cbca5bf1017bcb2949274e710c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:36:24,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:36:24,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:36:24,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:36:24,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:36:24,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:36:24,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:36:24,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:36:24,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:36:24,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:36:24,745 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:36:24,746 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:36:24,746 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:36:24,748 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:36:24,749 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:36:24,749 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:36:24,750 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:36:24,750 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:36:24,751 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:36:24,751 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:36:24,753 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:36:24,754 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:36:24,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:36:24,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:36:24,756 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:36:24,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:36:24,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:36:24,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:36:24,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:36:24,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:36:24,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:36:24,760 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:36:24,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:36:24,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:36:24,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:36:24,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:36:24,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:36:24,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:36:24,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:36:24,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:36:24,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:36:24,764 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:36:24,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:36:24,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:36:24,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:36:24,765 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:36:24,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:36:24,766 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_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8e8864fbe413b3462ae8de456d5394de90101cbca5bf1017bcb2949274e710c [2023-11-21 19:36:25,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:36:25,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:36:25,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:36:25,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:36:25,097 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:36:25,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i [2023-11-21 19:36:28,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:36:28,542 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:36:28,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i [2023-11-21 19:36:28,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data/ef094d556/76aaf2f5d690473a83829d8875aff2e6/FLAGc6165ac6c [2023-11-21 19:36:28,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data/ef094d556/76aaf2f5d690473a83829d8875aff2e6 [2023-11-21 19:36:28,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:36:28,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:36:28,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:36:28,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:36:28,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:36:28,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:28,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30497e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28, skipping insertion in model container [2023-11-21 19:36:28,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:28,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:36:28,813 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i[916,929] [2023-11-21 19:36:28,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:36:28,883 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:36:28,895 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i[916,929] [2023-11-21 19:36:28,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:36:28,945 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:36:28,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28 WrapperNode [2023-11-21 19:36:28,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:36:28,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:36:28,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:36:28,947 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:36:28,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:28,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,007 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-11-21 19:36:29,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:36:29,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:36:29,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:36:29,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:36:29,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:36:29,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:36:29,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:36:29,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:36:29,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (1/1) ... [2023-11-21 19:36:29,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:36:29,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:36:29,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:36:29,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:36:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:36:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:36:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:36:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:36:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:36:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:36:29,321 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:36:29,324 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:36:29,739 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:36:30,062 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:36:30,062 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:36:30,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:36:30 BoogieIcfgContainer [2023-11-21 19:36:30,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:36:30,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:36:30,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:36:30,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:36:30,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:36:28" (1/3) ... [2023-11-21 19:36:30,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ef7170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:36:30, skipping insertion in model container [2023-11-21 19:36:30,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:28" (2/3) ... [2023-11-21 19:36:30,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ef7170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:36:30, skipping insertion in model container [2023-11-21 19:36:30,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:36:30" (3/3) ... [2023-11-21 19:36:30,074 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-9.i [2023-11-21 19:36:30,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:36:30,098 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:36:30,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:36:30,153 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27e71ffa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:36:30,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:36:30,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 19:36:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 19:36:30,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:36:30,172 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:36:30,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:36:30,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:36:30,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1783709694, now seen corresponding path program 1 times [2023-11-21 19:36:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:36:30,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134940021] [2023-11-21 19:36:30,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:36:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:36:30,473 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 19:36:30,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906031662] [2023-11-21 19:36:30,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:36:30,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:36:30,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:36:30,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 19:36:30,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 19:36:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:36:30,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:36:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:36:30,980 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 19:36:30,983 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:36:30,985 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:36:30,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-21 19:36:31,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:36:31,199 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:36:31,203 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:36:31,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:36:31 BoogieIcfgContainer [2023-11-21 19:36:31,299 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:36:31,300 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:36:31,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:36:31,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:36:31,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:36:30" (3/4) ... [2023-11-21 19:36:31,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 19:36:31,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:36:31,307 INFO L158 Benchmark]: Toolchain (without parser) took 2732.58ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 89.6MB in the beginning and 126.5MB in the end (delta: -36.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-21 19:36:31,309 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:36:31,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.93ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 76.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:36:31,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.16ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:36:31,317 INFO L158 Benchmark]: Boogie Preprocessor took 42.93ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:36:31,319 INFO L158 Benchmark]: RCFGBuilder took 1011.60ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 71.7MB in the beginning and 106.9MB in the end (delta: -35.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-21 19:36:31,321 INFO L158 Benchmark]: TraceAbstraction took 1232.97ms. Allocated memory is still 188.7MB. Free memory was 106.1MB in the beginning and 126.5MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:36:31,322 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 188.7MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:36:31,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.93ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 76.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.16ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 73.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.93ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1011.60ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 71.7MB in the beginning and 106.9MB in the end (delta: -35.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1232.97ms. Allocated memory is still 188.7MB. Free memory was 106.1MB in the beginning and 126.5MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 188.7MB. Free memory is still 126.5MB. 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 someBinaryDOUBLEComparisonOperation at line 46, overapproximation of shiftRight at line 42, overapproximation of shiftLeft at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed char var_1_2 = 100; [L24] signed short int var_1_3 = 1; [L25] signed long int var_1_4 = -16; [L26] signed long int var_1_5 = -64; [L27] signed char var_1_6 = 10; [L28] signed char var_1_7 = 5; [L29] double var_1_8 = 16.25; [L30] double var_1_9 = 1.8; [L31] unsigned char var_1_10 = 32; [L32] unsigned char var_1_11 = 64; [L33] unsigned short int var_1_12 = 16; [L34] unsigned long int var_1_13 = 128; [L35] unsigned char var_1_15 = 1; [L36] unsigned short int var_1_16 = 256; [L37] unsigned short int var_1_17 = 8; [L38] signed char var_1_18 = -2; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] FCALL updateLastVariables() [L133] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L91] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=1, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L92] var_1_3 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L94] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=-16, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L98] var_1_5 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L100] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L101] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L102] var_1_6 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L104] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L105] var_1_7 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L107] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=65/4, var_1_9=9/5] [L108] var_1_8 = __VERIFIER_nondet_double() [L109] 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, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=9/5] [L20] COND FALSE !(!cond) [L109] 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, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=9/5] [L110] var_1_9 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L112] var_1_11 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L114] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L115] var_1_15 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L117] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=8, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L118] var_1_17 = __VERIFIER_nondet_ushort() [L119] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=9, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=9, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L120] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=9, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_17=9, var_1_18=-2, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L133] RET updateVariables() [L134] CALL step() [L42] EXPR var_1_2 >> var_1_3 [L42] signed long int stepLocal_1 = var_1_2 >> var_1_3; [L43] EXPR var_1_3 << (var_1_6 - var_1_7) [L43] signed long int stepLocal_0 = var_1_3 << (var_1_6 - var_1_7); [L44] COND FALSE !(stepLocal_1 == (var_1_4 / var_1_5)) [L51] signed char stepLocal_2 = var_1_6; [L52] COND FALSE !(stepLocal_2 <= (var_1_4 + var_1_7)) [L55] var_1_10 = (var_1_3 + var_1_7) [L57] COND FALSE !(((var_1_6 >> 2) * var_1_10) > var_1_4) [L60] EXPR 1 << var_1_2 [L60] COND TRUE (1 << var_1_2) != (-500 / -100) [L61] COND FALSE !((var_1_6 - var_1_3) >= (var_1_10 + 256)) [L64] var_1_13 = var_1_12 [L69] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L70] unsigned short int stepLocal_3 = var_1_17; [L71] COND FALSE !((- var_1_9) <= var_1_8) [L84] var_1_16 = var_1_10 [L86] var_1_18 = var_1_3 [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR var_1_2 >> var_1_3 [L125] EXPR ((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L125] EXPR (((((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (var_1_4 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * var_1_10) > var_1_4) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_2) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_10 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L125] EXPR 1 << var_1_2 [L125] EXPR (((((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (var_1_4 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * var_1_10) > var_1_4) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_2) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_10 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L125-L126] return (((((((var_1_2 >> var_1_3) == (var_1_4 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_4 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (var_1_4 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * var_1_10) > var_1_4) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_2) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_10 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_2) ? ((var_1_17 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_13=16, var_1_15=0, var_1_16=1, var_1_17=9, var_1_18=0, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_13=16, var_1_15=0, var_1_16=1, var_1_17=9, var_1_18=0, var_1_1=11/2, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=3, var_1_6=8, var_1_7=1, var_1_8=2, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 21, 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=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 19:36:31,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/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_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5 --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 a8e8864fbe413b3462ae8de456d5394de90101cbca5bf1017bcb2949274e710c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:36:34,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:36:34,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 19:36:34,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:36:34,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:36:34,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:36:34,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:36:34,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:36:34,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:36:34,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:36:34,397 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:36:34,397 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:36:34,398 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:36:34,399 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:36:34,400 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:36:34,400 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:36:34,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:36:34,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:36:34,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:36:34,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:36:34,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:36:34,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:36:34,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:36:34,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:36:34,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:36:34,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:36:34,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:36:34,407 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:36:34,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:36:34,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:36:34,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:36:34,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:36:34,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:36:34,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:36:34,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:36:34,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:36:34,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:36:34,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:36:34,411 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:36:34,413 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:36:34,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:36:34,413 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:36:34,414 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:36:34,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:36:34,414 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8e8864fbe413b3462ae8de456d5394de90101cbca5bf1017bcb2949274e710c [2023-11-21 19:36:34,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:36:34,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:36:34,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:36:34,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:36:34,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:36:34,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i [2023-11-21 19:36:38,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:36:38,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:36:38,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i [2023-11-21 19:36:38,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data/53be11398/0ac97d88796141dc9a87e6b1adfc829e/FLAG3218d8714 [2023-11-21 19:36:38,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/data/53be11398/0ac97d88796141dc9a87e6b1adfc829e [2023-11-21 19:36:38,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:36:38,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:36:38,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:36:38,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:36:38,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:36:38,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:36:38" (1/1) ... [2023-11-21 19:36:38,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d96fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:38, skipping insertion in model container [2023-11-21 19:36:38,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:36:38" (1/1) ... [2023-11-21 19:36:38,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:36:38,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i[916,929] [2023-11-21 19:36:38,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:36:38,953 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:36:38,976 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-9.i[916,929] [2023-11-21 19:36:39,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:36:39,057 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:36:39,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39 WrapperNode [2023-11-21 19:36:39,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:36:39,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:36:39,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:36:39,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:36:39,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,129 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-21 19:36:39,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:36:39,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:36:39,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:36:39,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:36:39,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:36:39,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:36:39,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:36:39,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:36:39,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (1/1) ... [2023-11-21 19:36:39,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:36:39,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:36:39,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:36:39,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:36:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:36:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:36:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:36:39,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:36:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:36:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:36:39,397 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:36:39,402 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:36:39,941 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:36:40,133 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:36:40,133 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:36:40,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:36:40 BoogieIcfgContainer [2023-11-21 19:36:40,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:36:40,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:36:40,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:36:40,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:36:40,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:36:38" (1/3) ... [2023-11-21 19:36:40,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7e094b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:36:40, skipping insertion in model container [2023-11-21 19:36:40,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:36:39" (2/3) ... [2023-11-21 19:36:40,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7e094b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:36:40, skipping insertion in model container [2023-11-21 19:36:40,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:36:40" (3/3) ... [2023-11-21 19:36:40,145 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-9.i [2023-11-21 19:36:40,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:36:40,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:36:40,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:36:40,223 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d5c3f14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:36:40,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:36:40,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 19:36:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 19:36:40,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:36:40,245 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:36:40,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:36:40,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:36:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2100528492, now seen corresponding path program 1 times [2023-11-21 19:36:40,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:36:40,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297601059] [2023-11-21 19:36:40,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:36:40,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 19:36:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:36:40,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 19:36:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300ee1ab-bd42-4730-a8ca-38dbbf6058a9/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 19:36:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:36:40,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 19:36:40,634 INFO L285 TraceCheckSpWp]: Computing forward predicates...