./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 4fc63b2a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f8bcfdb6015d440e6a1a4eaadd74459c55c3a05418feb55db2c008576c462ad
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4fc63b2
[2024-11-02 12:39:22,777 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-02 12:39:22,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf
[2024-11-02 12:39:22,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 12:39:22,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 12:39:22,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 12:39:22,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 12:39:22,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 12:39:22,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 12:39:22,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 12:39:22,926 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-02 12:39:22,926 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-02 12:39:22,927 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-02 12:39:22,927 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-02 12:39:22,929 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-02 12:39:22,930 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-02 12:39:22,930 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2024-11-02 12:39:22,930 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2024-11-02 12:39:22,931 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-02 12:39:22,931 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-02 12:39:22,935 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2024-11-02 12:39:22,936 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2024-11-02 12:39:22,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 12:39:22,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-02 12:39:22,937 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-02 12:39:22,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-02 12:39:22,938 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-02 12:39:22,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-02 12:39:22,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 12:39:22,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 12:39:22,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 12:39:22,940 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-02 12:39:22,940 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-02 12:39:22,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-02 12:39:22,941 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-02 12:39:22,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 12:39:22,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 12:39:22,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-02 12:39:22,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 12:39:22,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 12:39:22,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 12:39:22,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 12:39:22,943 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2024-11-02 12:39:22,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-02 12:39:22,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 12:39:22,945 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-02 12:39:22,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 12:39:22,945 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_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f8bcfdb6015d440e6a1a4eaadd74459c55c3a05418feb55db2c008576c462ad
[2024-11-02 12:39:23,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 12:39:23,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 12:39:23,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 12:39:23,280 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-02 12:39:23,280 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-02 12:39:23,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i
Unable to find full path for "g++"
[2024-11-02 12:39:25,446 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-02 12:39:25,752 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-02 12:39:25,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i
[2024-11-02 12:39:25,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data/61b3c8036/951334abebe44d4487e4a546dc4d872b/FLAG6996dc31f
[2024-11-02 12:39:26,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data/61b3c8036/951334abebe44d4487e4a546dc4d872b
[2024-11-02 12:39:26,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 12:39:26,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-02 12:39:26,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 12:39:26,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 12:39:26,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 12:39:26,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56aa9dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26, skipping insertion in model container
[2024-11-02 12:39:26,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,098 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-02 12:39:26,289 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i[915,928]
[2024-11-02 12:39:26,412 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 12:39:26,429 INFO L200 MainTranslator]: Completed pre-run
[2024-11-02 12:39:26,445 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i[915,928]
[2024-11-02 12:39:26,498 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 12:39:26,523 INFO L204 MainTranslator]: Completed translation
[2024-11-02 12:39:26,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26 WrapperNode
[2024-11-02 12:39:26,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-02 12:39:26,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-02 12:39:26,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-02 12:39:26,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-02 12:39:26,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,616 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179
[2024-11-02 12:39:26,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-02 12:39:26,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-02 12:39:26,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-02 12:39:26,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-02 12:39:26,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-02 12:39:26,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-02 12:39:26,669 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-02 12:39:26,669 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-02 12:39:26,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (1/1) ...
[2024-11-02 12:39:26,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 12:39:26,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/z3
[2024-11-02 12:39:26,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-02 12:39:26,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-02 12:39:26,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-02 12:39:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-02 12:39:26,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-02 12:39:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-02 12:39:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-02 12:39:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-02 12:39:26,862 INFO L238 CfgBuilder]: Building ICFG
[2024-11-02 12:39:26,871 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-02 12:39:27,340 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-11-02 12:39:27,340 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-02 12:39:27,608 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-02 12:39:27,609 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-02 12:39:27,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:27 BoogieIcfgContainer
[2024-11-02 12:39:27,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-02 12:39:27,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-02 12:39:27,612 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-02 12:39:27,616 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-02 12:39:27,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:26" (1/3) ...
[2024-11-02 12:39:27,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e91e75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:27, skipping insertion in model container
[2024-11-02 12:39:27,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:26" (2/3) ...
[2024-11-02 12:39:27,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e91e75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:27, skipping insertion in model container
[2024-11-02 12:39:27,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:27" (3/3) ...
[2024-11-02 12:39:27,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-63.i
[2024-11-02 12:39:27,644 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-02 12:39:27,644 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-02 12:39:27,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-02 12:39:27,733 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;@1fe612c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-02 12:39:27,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-02 12:39:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-02 12:39:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2024-11-02 12:39:27,752 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:39:27,753 INFO L215 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:39:27,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 12:39:27,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:39:27,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1897813850, now seen corresponding path program 1 times
[2024-11-02 12:39:27,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-02 12:39:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370851130]
[2024-11-02 12:39:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:39:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-02 12:39:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-02 12:39:28,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-02 12:39:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-02 12:39:28,689 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2024-11-02 12:39:28,691 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-02 12:39:28,693 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-02 12:39:28,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-02 12:39:28,701 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-02 12:39:28,798 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-02 12:39:28,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:39:28 BoogieIcfgContainer
[2024-11-02 12:39:28,802 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-02 12:39:28,803 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-02 12:39:28,804 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-02 12:39:28,805 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-02 12:39:28,806 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:27" (3/4) ...
[2024-11-02 12:39:28,809 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-02 12:39:28,811 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-02 12:39:28,812 INFO L158 Benchmark]: Toolchain (without parser) took 2760.43ms. Allocated memory is still 165.7MB. Free memory was 127.9MB in the beginning and 93.3MB in the end (delta: 34.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB.
[2024-11-02 12:39:28,813 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-02 12:39:28,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.17ms. Allocated memory is still 165.7MB. Free memory was 127.4MB in the beginning and 111.7MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-02 12:39:28,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.69ms. Allocated memory is still 165.7MB. Free memory was 111.7MB in the beginning and 107.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-02 12:39:28,815 INFO L158 Benchmark]: Boogie Preprocessor took 51.19ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-02 12:39:28,816 INFO L158 Benchmark]: RCFGBuilder took 940.40ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 100.6MB in the end (delta: 5.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB.
[2024-11-02 12:39:28,818 INFO L158 Benchmark]: TraceAbstraction took 1190.64ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 94.3MB in the end (delta: 5.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB.
[2024-11-02 12:39:28,818 INFO L158 Benchmark]: Witness Printer took 7.41ms. Allocated memory is still 165.7MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-02 12:39:28,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 472.17ms. Allocated memory is still 165.7MB. Free memory was 127.4MB in the beginning and 111.7MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 90.69ms. Allocated memory is still 165.7MB. Free memory was 111.7MB in the beginning and 107.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.19ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 940.40ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 100.6MB in the end (delta: 5.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 1190.64ms. Allocated memory is still 165.7MB. Free memory was 99.7MB in the beginning and 94.3MB in the end (delta: 5.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB.
* Witness Printer took 7.41ms. Allocated memory is still 165.7MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 124, overapproximation of shiftRight at line 64, overapproximation of bitwiseOr at line 70, overapproximation of someBinaryArithmeticDOUBLEoperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 54.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] signed long int var_1_1 = 64;
[L23] unsigned char var_1_7 = 0;
[L24] unsigned short int var_1_11 = 500;
[L25] unsigned char var_1_13 = 64;
[L26] unsigned char var_1_15 = 1;
[L27] unsigned char var_1_16 = 8;
[L28] double var_1_17 = 7.5;
[L29] double var_1_18 = 31.125;
[L30] double var_1_19 = 10.5;
[L31] double var_1_20 = 0.0;
[L32] double var_1_21 = 16.75;
[L33] double var_1_22 = 2.5;
[L34] double var_1_23 = 64.5;
[L35] signed long int var_1_24 = 10;
[L36] signed char var_1_26 = 16;
[L37] signed char var_1_27 = 4;
[L38] signed char var_1_28 = -10;
[L39] float var_1_29 = 63.794;
[L40] unsigned short int var_1_30 = 1;
[L41] signed long int var_1_31 = -2;
[L42] unsigned char var_1_32 = 64;
[L43] signed long int last_1_var_1_1 = 64;
[L44] unsigned char last_1_var_1_13 = 64;
[L128] isInitial = 1
[L129] FCALL initially()
[L130] int k_loop;
[L131] k_loop = 0
VAL [isInitial=1, k_loop=0, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L131] COND TRUE k_loop < 1
[L132] CALL updateLastVariables()
[L120] last_1_var_1_1 = var_1_1
[L121] last_1_var_1_13 = var_1_13
[L132] RET updateLastVariables()
[L133] CALL updateVariables()
[L91] var_1_7 = __VERIFIER_nondet_uchar()
[L92] CALL assume_abort_if_not(var_1_7 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64]
[L20] COND FALSE !(!cond)
[L92] RET assume_abort_if_not(var_1_7 >= 0)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64]
[L93] CALL assume_abort_if_not(var_1_7 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L93] RET assume_abort_if_not(var_1_7 <= 1)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L94] var_1_15 = __VERIFIER_nondet_uchar()
[L95] CALL assume_abort_if_not(var_1_15 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L95] RET assume_abort_if_not(var_1_15 >= 0)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L96] CALL assume_abort_if_not(var_1_15 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L96] RET assume_abort_if_not(var_1_15 <= 254)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L97] var_1_16 = __VERIFIER_nondet_uchar()
[L98] CALL assume_abort_if_not(var_1_16 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L98] RET assume_abort_if_not(var_1_16 >= 0)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L99] CALL assume_abort_if_not(var_1_16 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L99] RET assume_abort_if_not(var_1_16 <= 254)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L100] var_1_18 = __VERIFIER_nondet_double()
[L101] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L101] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L102] var_1_19 = __VERIFIER_nondet_double()
[L103] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L103] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L104] var_1_20 = __VERIFIER_nondet_double()
[L105] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L105] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L106] var_1_21 = __VERIFIER_nondet_double()
[L107] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L107] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L108] var_1_22 = __VERIFIER_nondet_double()
[L109] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L109] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L110] var_1_23 = __VERIFIER_nondet_double()
[L111] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L111] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L112] var_1_27 = __VERIFIER_nondet_char()
[L113] CALL assume_abort_if_not(var_1_27 >= -63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L113] RET assume_abort_if_not(var_1_27 >= -63)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L114] CALL assume_abort_if_not(var_1_27 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L114] RET assume_abort_if_not(var_1_27 <= 63)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L115] var_1_28 = __VERIFIER_nondet_char()
[L116] CALL assume_abort_if_not(var_1_28 >= -63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L116] RET assume_abort_if_not(var_1_28 >= -63)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L117] CALL assume_abort_if_not(var_1_28 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L20] COND FALSE !(!cond)
[L117] RET assume_abort_if_not(var_1_28 <= 63)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=-47, var_1_28=63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0]
[L133] RET updateVariables()
[L134] CALL step()
[L48] signed long int stepLocal_1 = last_1_var_1_1;
[L49] COND FALSE !(stepLocal_1 != last_1_var_1_13)
[L52] var_1_31 = var_1_13
[L53] COND FALSE !(\read(var_1_7))
[L56] var_1_17 = var_1_22
[L58] COND FALSE !(\read(var_1_7))
[L61] var_1_32 = var_1_16
[L62] var_1_30 = var_1_32
[L63] unsigned char stepLocal_0 = var_1_13;
[L64] EXPR var_1_32 >> var_1_32
[L64] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0
[L65] var_1_11 = var_1_32
[L67] COND TRUE var_1_11 >= var_1_30
[L68] var_1_26 = (var_1_27 + var_1_28)
[L70] EXPR (var_1_31 + 4u) | var_1_30
[L70] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30)
[L71] var_1_1 = (var_1_26 + (var_1_26 + var_1_32))
[L79] unsigned short int stepLocal_2 = var_1_30;
[L80] COND TRUE ! var_1_7
[L81] var_1_24 = (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15)))))
[L134] RET step()
[L135] CALL, EXPR property()
[L124] EXPR (var_1_31 + 4u) | var_1_30
[L124] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)
[L124] EXPR var_1_32 >> var_1_32
[L124] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)
[L124-L125] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16))
;
[L135] RET, EXPR property()
[L135] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=64, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=506, var_1_1=96, var_1_20=31897/500, var_1_22=506, var_1_23=506, var_1_24=0, var_1_26=16, var_1_27=-47, var_1_28=63, var_1_29=31897/500, var_1_30=64, var_1_31=64, var_1_32=64, var_1_7=0]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=64, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=506, var_1_1=96, var_1_20=31897/500, var_1_22=506, var_1_23=506, var_1_24=0, var_1_26=16, var_1_27=-47, var_1_28=63, var_1_29=31897/500, var_1_30=64, var_1_31=64, var_1_32=64, var_1_7=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 16, 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=36occurred 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 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
[2024-11-02 12:39:28,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f8bcfdb6015d440e6a1a4eaadd74459c55c3a05418feb55db2c008576c462ad
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4fc63b2
[2024-11-02 12:39:31,310 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-02 12:39:31,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf
[2024-11-02 12:39:31,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 12:39:31,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 12:39:31,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 12:39:31,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 12:39:31,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 12:39:31,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 12:39:31,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 12:39:31,467 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-02 12:39:31,468 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-02 12:39:31,468 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-02 12:39:31,468 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-02 12:39:31,469 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-02 12:39:31,469 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-02 12:39:31,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 12:39:31,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-02 12:39:31,474 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-02 12:39:31,474 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-02 12:39:31,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-02 12:39:31,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 12:39:31,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 12:39:31,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 12:39:31,476 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-02 12:39:31,477 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-02 12:39:31,477 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-02 12:39:31,477 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-02 12:39:31,477 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-02 12:39:31,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-02 12:39:31,478 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-02 12:39:31,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 12:39:31,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-02 12:39:31,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 12:39:31,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-02 12:39:31,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 12:39:31,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 12:39:31,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 12:39:31,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 12:39:31,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS
[2024-11-02 12:39:31,482 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-02 12:39:31,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 12:39:31,484 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-02 12:39:31,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 12:39:31,484 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_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f8bcfdb6015d440e6a1a4eaadd74459c55c3a05418feb55db2c008576c462ad
[2024-11-02 12:39:31,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 12:39:31,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 12:39:31,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 12:39:31,916 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-02 12:39:31,916 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-02 12:39:31,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i
Unable to find full path for "g++"
[2024-11-02 12:39:34,195 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-02 12:39:34,458 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-02 12:39:34,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i
[2024-11-02 12:39:34,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data/cb809e684/e1c61d20a83c44088480d26c15f7cffd/FLAG04fd442cc
[2024-11-02 12:39:34,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/data/cb809e684/e1c61d20a83c44088480d26c15f7cffd
[2024-11-02 12:39:34,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 12:39:34,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-02 12:39:34,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 12:39:34,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 12:39:34,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 12:39:34,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:34" (1/1) ...
[2024-11-02 12:39:34,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43625054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:34, skipping insertion in model container
[2024-11-02 12:39:34,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:34" (1/1) ...
[2024-11-02 12:39:34,541 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-02 12:39:34,767 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i[915,928]
[2024-11-02 12:39:34,876 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 12:39:34,903 INFO L200 MainTranslator]: Completed pre-run
[2024-11-02 12:39:34,920 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-63.i[915,928]
[2024-11-02 12:39:34,987 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 12:39:35,023 INFO L204 MainTranslator]: Completed translation
[2024-11-02 12:39:35,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35 WrapperNode
[2024-11-02 12:39:35,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-02 12:39:35,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-02 12:39:35,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-02 12:39:35,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-02 12:39:35,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,107 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140
[2024-11-02 12:39:35,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-02 12:39:35,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-02 12:39:35,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-02 12:39:35,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-02 12:39:35,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-02 12:39:35,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-02 12:39:35,231 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-02 12:39:35,231 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-02 12:39:35,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ...
[2024-11-02 12:39:35,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 12:39:35,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/z3
[2024-11-02 12:39:35,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-02 12:39:35,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-02 12:39:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-02 12:39:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-11-02 12:39:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-02 12:39:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-02 12:39:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-02 12:39:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-02 12:39:35,454 INFO L238 CfgBuilder]: Building ICFG
[2024-11-02 12:39:35,459 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-02 12:39:40,175 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live.
[2024-11-02 12:39:40,176 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-02 12:39:40,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-02 12:39:40,208 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-02 12:39:40,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:40 BoogieIcfgContainer
[2024-11-02 12:39:40,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-02 12:39:40,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-02 12:39:40,211 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-02 12:39:40,217 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-02 12:39:40,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:34" (1/3) ...
[2024-11-02 12:39:40,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d1cfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:40, skipping insertion in model container
[2024-11-02 12:39:40,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (2/3) ...
[2024-11-02 12:39:40,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d1cfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:40, skipping insertion in model container
[2024-11-02 12:39:40,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:40" (3/3) ...
[2024-11-02 12:39:40,222 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-63.i
[2024-11-02 12:39:40,241 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-02 12:39:40,241 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-02 12:39:40,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-02 12:39:40,408 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;@4de0362a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-02 12:39:40,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-02 12:39:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-02 12:39:40,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-11-02 12:39:40,430 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:39:40,431 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:39:40,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 12:39:40,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:39:40,438 INFO L85 PathProgramCache]: Analyzing trace with hash -94440497, now seen corresponding path program 1 times
[2024-11-02 12:39:40,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:39:40,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2034454059]
[2024-11-02 12:39:40,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:39:40,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:39:40,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:39:40,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:39:40,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-02 12:39:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:39:41,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-02 12:39:41,252 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:39:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked.
[2024-11-02 12:39:41,315 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:39:41,316 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:39:41,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2034454059]
[2024-11-02 12:39:41,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2034454059] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:39:41,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:39:41,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-02 12:39:41,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513849709]
[2024-11-02 12:39:41,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:39:41,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-02 12:39:41,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:39:41,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-02 12:39:41,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 12:39:41,360 INFO L87 Difference]: Start difference. First operand has 59 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-02 12:39:41,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:39:41,409 INFO L93 Difference]: Finished difference Result 115 states and 185 transitions.
[2024-11-02 12:39:41,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-02 12:39:41,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 110
[2024-11-02 12:39:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:39:41,424 INFO L225 Difference]: With dead ends: 115
[2024-11-02 12:39:41,424 INFO L226 Difference]: Without dead ends: 55
[2024-11-02 12:39:41,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 12:39:41,433 INFO L432 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-02 12:39:41,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 12:39:41,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2024-11-02 12:39:41,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2024-11-02 12:39:41,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-02 12:39:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions.
[2024-11-02 12:39:41,497 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 110
[2024-11-02 12:39:41,498 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:39:41,498 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions.
[2024-11-02 12:39:41,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-02 12:39:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions.
[2024-11-02 12:39:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-11-02 12:39:41,502 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:39:41,502 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:39:41,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-02 12:39:41,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:39:41,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 12:39:41,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:39:41,706 INFO L85 PathProgramCache]: Analyzing trace with hash 530981763, now seen corresponding path program 1 times
[2024-11-02 12:39:41,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:39:41,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102362489]
[2024-11-02 12:39:41,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:39:41,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:39:41,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:39:41,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:39:41,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-02 12:39:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:39:42,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-02 12:39:42,343 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:39:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-02 12:39:44,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:39:44,394 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:39:44,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102362489]
[2024-11-02 12:39:44,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102362489] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:39:44,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:39:44,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-02 12:39:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424887036]
[2024-11-02 12:39:44,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:39:44,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-02 12:39:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:39:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-02 12:39:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-02 12:39:44,399 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-02 12:39:47,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:39:49,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:39:51,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:39:53,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:39:55,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:39:56,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:39:56,035 INFO L93 Difference]: Finished difference Result 160 states and 232 transitions.
[2024-11-02 12:39:56,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-02 12:39:56,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 110
[2024-11-02 12:39:56,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:39:56,071 INFO L225 Difference]: With dead ends: 160
[2024-11-02 12:39:56,072 INFO L226 Difference]: Without dead ends: 108
[2024-11-02 12:39:56,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-02 12:39:56,074 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 58 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 33 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time
[2024-11-02 12:39:56,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 249 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 59 Invalid, 5 Unknown, 0 Unchecked, 11.5s Time]
[2024-11-02 12:39:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2024-11-02 12:39:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 89.
[2024-11-02 12:39:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-02 12:39:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions.
[2024-11-02 12:39:56,114 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 110
[2024-11-02 12:39:56,117 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:39:56,118 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions.
[2024-11-02 12:39:56,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-02 12:39:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions.
[2024-11-02 12:39:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-11-02 12:39:56,122 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:39:56,122 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:39:56,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-02 12:39:56,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:39:56,323 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 12:39:56,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:39:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash -480135487, now seen corresponding path program 1 times
[2024-11-02 12:39:56,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:39:56,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278554498]
[2024-11-02 12:39:56,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:39:56,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:39:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:39:56,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:39:56,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-02 12:39:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:39:56,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-02 12:39:56,776 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:39:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-02 12:39:56,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:39:56,853 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:39:56,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278554498]
[2024-11-02 12:39:56,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278554498] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:39:56,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:39:56,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-02 12:39:56,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493153569]
[2024-11-02 12:39:56,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:39:56,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-02 12:39:56,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:39:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-02 12:39:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 12:39:56,857 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-02 12:39:59,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:40:01,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:40:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:40:01,250 INFO L93 Difference]: Finished difference Result 158 states and 227 transitions.
[2024-11-02 12:40:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-02 12:40:01,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 110
[2024-11-02 12:40:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:40:01,255 INFO L225 Difference]: With dead ends: 158
[2024-11-02 12:40:01,259 INFO L226 Difference]: Without dead ends: 106
[2024-11-02 12:40:01,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 12:40:01,261 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 15 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time
[2024-11-02 12:40:01,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 148 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time]
[2024-11-02 12:40:01,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2024-11-02 12:40:01,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97.
[2024-11-02 12:40:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-02 12:40:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions.
[2024-11-02 12:40:01,297 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 110
[2024-11-02 12:40:01,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:40:01,298 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions.
[2024-11-02 12:40:01,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-02 12:40:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions.
[2024-11-02 12:40:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-11-02 12:40:01,301 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:40:01,301 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:40:01,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-02 12:40:01,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:01,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 12:40:01,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:40:01,503 INFO L85 PathProgramCache]: Analyzing trace with hash 479094529, now seen corresponding path program 1 times
[2024-11-02 12:40:01,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:40:01,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990696693]
[2024-11-02 12:40:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:40:01,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:40:01,506 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:01,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7379f21f-c7ec-4931-8cfb-865ab00f4545/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process