./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2761ad5b8b5d660ea43c0926578149a1a33205183f80a80f035b1bec4306cb62
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-09 06:56:57,223 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-09 06:56:57,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf
[2024-11-09 06:56:57,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 06:56:57,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 06:56:57,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 06:56:57,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 06:56:57,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 06:56:57,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 06:56:57,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 06:56:57,393 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-09 06:56:57,393 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 06:56:57,394 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-09 06:56:57,394 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-09 06:56:57,395 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-09 06:56:57,397 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-09 06:56:57,397 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2024-11-09 06:56:57,398 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2024-11-09 06:56:57,398 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-09 06:56:57,398 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-09 06:56:57,399 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2024-11-09 06:56:57,403 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2024-11-09 06:56:57,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 06:56:57,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-09 06:56:57,405 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-09 06:56:57,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-09 06:56:57,405 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-09 06:56:57,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-09 06:56:57,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 06:56:57,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 06:56:57,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 06:56:57,407 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-09 06:56:57,409 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-09 06:56:57,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-09 06:56:57,409 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-09 06:56:57,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 06:56:57,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 06:56:57,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-09 06:56:57,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 06:56:57,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 06:56:57,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 06:56:57,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 06:56:57,412 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2024-11-09 06:56:57,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 06:56:57,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 06:56:57,413 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-09 06:56:57,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 06:56:57,413 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_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2761ad5b8b5d660ea43c0926578149a1a33205183f80a80f035b1bec4306cb62
[2024-11-09 06:56:57,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 06:56:57,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 06:56:57,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 06:56:57,809 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-09 06:56:57,810 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-09 06:56:57,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i
Unable to find full path for "g++"
[2024-11-09 06:56:59,894 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-09 06:57:00,163 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-09 06:57:00,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i
[2024-11-09 06:57:00,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data/39542866a/6ab47cdd4f954e3b88fff8dc4d0d3fbd/FLAGf85bdf654
[2024-11-09 06:57:00,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data/39542866a/6ab47cdd4f954e3b88fff8dc4d0d3fbd
[2024-11-09 06:57:00,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 06:57:00,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 06:57:00,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 06:57:00,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 06:57:00,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 06:57:00,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7a2b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00, skipping insertion in model container
[2024-11-09 06:57:00,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,254 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-09 06:57:00,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i[916,929]
[2024-11-09 06:57:00,561 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:57:00,579 INFO L200 MainTranslator]: Completed pre-run
[2024-11-09 06:57:00,593 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i[916,929]
[2024-11-09 06:57:00,643 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:57:00,671 INFO L204 MainTranslator]: Completed translation
[2024-11-09 06:57:00,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00 WrapperNode
[2024-11-09 06:57:00,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 06:57:00,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 06:57:00,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 06:57:00,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 06:57:00,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,756 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 256
[2024-11-09 06:57:00,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 06:57:00,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 06:57:00,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 06:57:00,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 06:57:00,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 06:57:00,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 06:57:00,845 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 06:57:00,845 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-09 06:57:00,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (1/1) ...
[2024-11-09 06:57:00,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 06:57:00,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 06:57:00,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-09 06:57:00,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-09 06:57:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 06:57:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-09 06:57:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-09 06:57:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-09 06:57:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 06:57:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 06:57:01,035 INFO L238 CfgBuilder]: Building ICFG
[2024-11-09 06:57:01,037 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 06:57:01,783 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live.
[2024-11-09 06:57:01,783 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-09 06:57:02,348 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 06:57:02,348 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-09 06:57:02,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:57:02 BoogieIcfgContainer
[2024-11-09 06:57:02,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 06:57:02,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 06:57:02,352 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 06:57:02,357 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-09 06:57:02,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:57:00" (1/3) ...
[2024-11-09 06:57:02,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fb2110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:57:02, skipping insertion in model container
[2024-11-09 06:57:02,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:00" (2/3) ...
[2024-11-09 06:57:02,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fb2110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:57:02, skipping insertion in model container
[2024-11-09 06:57:02,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:57:02" (3/3) ...
[2024-11-09 06:57:02,363 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-59.i
[2024-11-09 06:57:02,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 06:57:02,382 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-09 06:57:02,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 06:57:02,475 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;@42a36659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 06:57:02,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-09 06:57:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-09 06:57:02,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2024-11-09 06:57:02,492 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 06:57:02,493 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:57:02,494 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 06:57:02,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:57:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash 755827043, now seen corresponding path program 1 times
[2024-11-09 06:57:02,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 06:57:02,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119729739]
[2024-11-09 06:57:02,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:57:02,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 06:57:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-09 06:57:03,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869599067]
[2024-11-09 06:57:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:57:03,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 06:57:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 06:57:03,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 06:57:03,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-09 06:57:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 06:57:04,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-09 06:57:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 06:57:04,840 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2024-11-09 06:57:04,843 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-09 06:57:04,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-09 06:57:04,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-09 06:57:05,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-09 06:57:05,052 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-09 06:57:05,146 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-09 06:57:05,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:57:05 BoogieIcfgContainer
[2024-11-09 06:57:05,149 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-09 06:57:05,150 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-09 06:57:05,150 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-09 06:57:05,151 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-09 06:57:05,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:57:02" (3/4) ...
[2024-11-09 06:57:05,154 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-09 06:57:05,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-09 06:57:05,157 INFO L158 Benchmark]: Toolchain (without parser) took 4945.78ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 117.0MB in the beginning and 126.1MB in the end (delta: -9.1MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB.
[2024-11-09 06:57:05,157 INFO L158 Benchmark]: CDTParser took 3.49ms. Allocated memory is still 113.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 06:57:05,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.35ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 98.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-11-09 06:57:05,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.39ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 90.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-09 06:57:05,159 INFO L158 Benchmark]: Boogie Preprocessor took 85.96ms. Allocated memory is still 148.9MB. Free memory was 90.3MB in the beginning and 87.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-09 06:57:05,160 INFO L158 Benchmark]: RCFGBuilder took 1505.11ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 60.9MB in the end (delta: 26.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB.
[2024-11-09 06:57:05,161 INFO L158 Benchmark]: TraceAbstraction took 2797.39ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 60.9MB in the beginning and 127.1MB in the end (delta: -66.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 06:57:05,161 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 195.0MB. Free memory was 127.1MB in the beginning and 126.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 06:57:05,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 3.49ms. Allocated memory is still 113.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 459.35ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 98.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 84.39ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 90.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 85.96ms. Allocated memory is still 148.9MB. Free memory was 90.3MB in the beginning and 87.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1505.11ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 60.9MB in the end (delta: 26.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 2797.39ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 60.9MB in the beginning and 127.1MB in the end (delta: -66.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 5.29ms. Allocated memory is still 195.0MB. Free memory was 127.1MB in the beginning and 126.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of shiftRight at line 81, overapproximation of bitwiseOr at line 85, overapproximation of bitwiseAnd at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 55.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 50;
[L23] unsigned char var_1_5 = 200;
[L24] unsigned char var_1_6 = 64;
[L25] signed short int var_1_7 = -2;
[L26] signed long int var_1_8 = 16;
[L27] unsigned char var_1_11 = 1;
[L28] signed char var_1_12 = 8;
[L29] signed char var_1_13 = 0;
[L30] signed char var_1_14 = 10;
[L31] signed char var_1_15 = 8;
[L32] unsigned char var_1_16 = 5;
[L33] unsigned char var_1_17 = 100;
[L34] unsigned char var_1_18 = 25;
[L35] unsigned char var_1_19 = 0;
[L36] signed short int var_1_20 = -128;
[L37] signed short int var_1_21 = -8;
[L38] double var_1_22 = 100000000000.35;
[L39] double var_1_23 = 199.4;
[L40] double var_1_24 = 63.5;
[L41] signed short int var_1_25 = 1;
[L42] unsigned char var_1_27 = 1;
[L43] unsigned char var_1_28 = 0;
[L44] signed short int var_1_29 = -8;
[L45] signed long int last_1_var_1_8 = 16;
[L46] unsigned char last_1_var_1_16 = 5;
[L171] isInitial = 1
[L172] FCALL initially()
[L173] COND TRUE 1
[L174] CALL updateLastVariables()
[L163] last_1_var_1_8 = var_1_8
[L164] last_1_var_1_16 = var_1_16
[L174] RET updateLastVariables()
[L175] CALL updateVariables()
[L128] var_1_5 = __VERIFIER_nondet_uchar()
[L129] CALL assume_abort_if_not(var_1_5 >= 190)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=64, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L129] RET assume_abort_if_not(var_1_5 >= 190)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=64, var_1_7=-2, var_1_8=16]
[L130] CALL assume_abort_if_not(var_1_5 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=64, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L130] RET assume_abort_if_not(var_1_5 <= 254)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=64, var_1_7=-2, var_1_8=16]
[L131] var_1_6 = __VERIFIER_nondet_uchar()
[L132] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L132] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_7=-2, var_1_8=16]
[L133] CALL assume_abort_if_not(var_1_6 <= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L133] RET assume_abort_if_not(var_1_6 <= 127)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L134] var_1_13 = __VERIFIER_nondet_char()
[L135] CALL assume_abort_if_not(var_1_13 >= -63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L135] RET assume_abort_if_not(var_1_13 >= -63)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L136] CALL assume_abort_if_not(var_1_13 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L136] RET assume_abort_if_not(var_1_13 <= 63)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L137] var_1_14 = __VERIFIER_nondet_char()
[L138] CALL assume_abort_if_not(var_1_14 >= -63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L138] RET assume_abort_if_not(var_1_14 >= -63)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L139] CALL assume_abort_if_not(var_1_14 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L139] RET assume_abort_if_not(var_1_14 <= 63)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L140] var_1_15 = __VERIFIER_nondet_char()
[L141] CALL assume_abort_if_not(var_1_15 >= -63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L141] RET assume_abort_if_not(var_1_15 >= -63)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L142] CALL assume_abort_if_not(var_1_15 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L142] RET assume_abort_if_not(var_1_15 <= 63)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L143] var_1_17 = __VERIFIER_nondet_uchar()
[L144] CALL assume_abort_if_not(var_1_17 >= 95)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L144] RET assume_abort_if_not(var_1_17 >= 95)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L145] CALL assume_abort_if_not(var_1_17 <= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L145] RET assume_abort_if_not(var_1_17 <= 127)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L146] var_1_18 = __VERIFIER_nondet_uchar()
[L147] CALL assume_abort_if_not(var_1_18 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L147] RET assume_abort_if_not(var_1_18 >= 0)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L148] CALL assume_abort_if_not(var_1_18 <= 32)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L148] RET assume_abort_if_not(var_1_18 <= 32)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L149] var_1_19 = __VERIFIER_nondet_uchar()
[L150] CALL assume_abort_if_not(var_1_19 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L150] RET assume_abort_if_not(var_1_19 >= 0)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L151] CALL assume_abort_if_not(var_1_19 <= 63)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L151] RET assume_abort_if_not(var_1_19 <= 63)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L152] var_1_22 = __VERIFIER_nondet_double()
[L153] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L153] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L154] var_1_23 = __VERIFIER_nondet_double()
[L155] CALL assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L155] RET assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L156] var_1_24 = __VERIFIER_nondet_double()
[L157] CALL assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L157] RET assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L158] var_1_28 = __VERIFIER_nondet_uchar()
[L159] CALL assume_abort_if_not(var_1_28 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L159] RET assume_abort_if_not(var_1_28 >= 0)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L160] CALL assume_abort_if_not(var_1_28 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L20] COND FALSE !(!cond)
[L160] RET assume_abort_if_not(var_1_28 <= 0)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=5, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L175] RET updateVariables()
[L176] CALL step()
[L50] COND TRUE (last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16
[L51] var_1_1 = ((var_1_5 - 2) - var_1_6)
[L55] COND FALSE !(100.5f < var_1_22)
[L58] COND TRUE var_1_27 || var_1_27
[L59] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))))
[L61] signed long int stepLocal_5 = 2;
[L62] unsigned char stepLocal_4 = var_1_5;
[L63] unsigned char stepLocal_3 = var_1_27;
[L64] COND FALSE !(stepLocal_4 <= var_1_1)
[L67] COND TRUE stepLocal_3 || var_1_27
[L68] COND TRUE stepLocal_5 < var_1_1
[L69] var_1_8 = var_1_6
[L73] COND FALSE !(! var_1_27)
[L80] signed long int stepLocal_2 = ~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1)));
[L81] EXPR var_1_11 >> var_1_1
[L81] signed long int stepLocal_1 = var_1_11 >> var_1_1;
[L82] unsigned char stepLocal_0 = var_1_1;
[L83] COND TRUE var_1_5 >= stepLocal_2
[L84] COND FALSE !(var_1_1 <= stepLocal_1)
[L94] COND TRUE (var_1_22 * -0.625) < (var_1_23 * var_1_24)
[L95] var_1_21 = ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8)))))
[L101] COND FALSE !(var_1_7 > var_1_5)
[L106] COND TRUE \read(var_1_27)
[L107] COND FALSE !(var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8)))))
[L117] COND TRUE var_1_15 > var_1_25
[L118] var_1_16 = (var_1_5 - ((var_1_17 - var_1_18) - var_1_19))
[L120] EXPR var_1_16 | var_1_1
[L120] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))
[L120] signed long int stepLocal_6 = (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)));
[L121] COND FALSE !(stepLocal_6 > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16))))
[L124] var_1_20 = ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16)
[L176] RET step()
[L177] CALL, EXPR property()
[L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))
[L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))
[L167] EXPR var_1_11 >> var_1_1
[L167] EXPR (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1
[L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))
[L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))
[L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))
[L167] EXPR var_1_16 | var_1_1
[L167] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))
[L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))
[L167-L168] return ((((((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))) && (((var_1_22 * -0.625) < (var_1_23 * var_1_24)) ? (var_1_21 == ((signed short int) ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8))))))) : (var_1_27 ? (var_1_21 == ((signed short int) (((((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) > ((var_1_13 + var_1_6))) ? ((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) : ((var_1_13 + var_1_6)))))) : 1))) && (var_1_27 ? ((var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8))))) ? (var_1_27 ? (var_1_25 == ((signed short int) var_1_17)) : (var_1_25 == ((signed short int) var_1_18))) : 1) : (var_1_25 == ((signed short int) var_1_14)))) && ((100.5f < var_1_22) ? (var_1_27 == ((unsigned char) (! var_1_28))) : 1)) && ((var_1_7 > var_1_5) ? (((var_1_21 <= var_1_6) || (var_1_27 || var_1_27)) ? (var_1_29 == ((signed short int) var_1_17)) : 1) : 1)
;
[L177] RET, EXPR property()
[L177] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=1, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=158, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=172, var_1_20=164, var_1_21=63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=1, var_1_13=63, var_1_14=-62, var_1_15=63, var_1_16=158, var_1_17=-417, var_1_18=0, var_1_19=319, var_1_1=172, var_1_20=164, var_1_21=63, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=-834, var_1_6=-240, var_1_7=-2, var_1_8=16]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-09 06:57:05,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2761ad5b8b5d660ea43c0926578149a1a33205183f80a80f035b1bec4306cb62
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-09 06:57:07,624 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-09 06:57:07,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf
[2024-11-09 06:57:07,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 06:57:07,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 06:57:07,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 06:57:07,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 06:57:07,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 06:57:07,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 06:57:07,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 06:57:07,786 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-09 06:57:07,787 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 06:57:07,787 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-09 06:57:07,788 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-09 06:57:07,790 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-09 06:57:07,791 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-09 06:57:07,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 06:57:07,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-09 06:57:07,792 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-09 06:57:07,796 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-09 06:57:07,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-09 06:57:07,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 06:57:07,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 06:57:07,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 06:57:07,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-09 06:57:07,798 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-09 06:57:07,799 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-09 06:57:07,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-09 06:57:07,800 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-09 06:57:07,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-09 06:57:07,802 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-09 06:57:07,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 06:57:07,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-09 06:57:07,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 06:57:07,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-09 06:57:07,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 06:57:07,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 06:57:07,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 06:57:07,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 06:57:07,805 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS
[2024-11-09 06:57:07,806 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-09 06:57:07,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 06:57:07,807 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-09 06:57:07,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2761ad5b8b5d660ea43c0926578149a1a33205183f80a80f035b1bec4306cb62
[2024-11-09 06:57:08,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 06:57:08,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 06:57:08,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 06:57:08,257 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-09 06:57:08,259 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-09 06:57:08,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i
Unable to find full path for "g++"
[2024-11-09 06:57:10,384 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-09 06:57:10,673 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-09 06:57:10,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i
[2024-11-09 06:57:10,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data/658d50c87/561b711ad3da4b5baf903fc21c63dba4/FLAG6e18cf2e5
[2024-11-09 06:57:10,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/data/658d50c87/561b711ad3da4b5baf903fc21c63dba4
[2024-11-09 06:57:10,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 06:57:10,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 06:57:10,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 06:57:10,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 06:57:10,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 06:57:10,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:57:10" (1/1) ...
[2024-11-09 06:57:10,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f20a11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:10, skipping insertion in model container
[2024-11-09 06:57:10,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:57:10" (1/1) ...
[2024-11-09 06:57:10,791 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-09 06:57:11,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i[916,929]
[2024-11-09 06:57:11,160 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:57:11,181 INFO L200 MainTranslator]: Completed pre-run
[2024-11-09 06:57:11,194 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-59.i[916,929]
[2024-11-09 06:57:11,272 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:57:11,300 INFO L204 MainTranslator]: Completed translation
[2024-11-09 06:57:11,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11 WrapperNode
[2024-11-09 06:57:11,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 06:57:11,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 06:57:11,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 06:57:11,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 06:57:11,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,378 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164
[2024-11-09 06:57:11,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 06:57:11,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 06:57:11,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 06:57:11,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 06:57:11,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 06:57:11,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 06:57:11,430 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 06:57:11,431 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-09 06:57:11,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (1/1) ...
[2024-11-09 06:57:11,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 06:57:11,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 06:57:11,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-09 06:57:11,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-09 06:57:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 06:57:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-11-09 06:57:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-09 06:57:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-09 06:57:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 06:57:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 06:57:11,659 INFO L238 CfgBuilder]: Building ICFG
[2024-11-09 06:57:11,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 06:57:18,386 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-09 06:57:18,387 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-09 06:57:18,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 06:57:18,410 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-09 06:57:18,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:57:18 BoogieIcfgContainer
[2024-11-09 06:57:18,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 06:57:18,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 06:57:18,414 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 06:57:18,418 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-09 06:57:18,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:57:10" (1/3) ...
[2024-11-09 06:57:18,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ff71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:57:18, skipping insertion in model container
[2024-11-09 06:57:18,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:57:11" (2/3) ...
[2024-11-09 06:57:18,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ff71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:57:18, skipping insertion in model container
[2024-11-09 06:57:18,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:57:18" (3/3) ...
[2024-11-09 06:57:18,425 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-59.i
[2024-11-09 06:57:18,450 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 06:57:18,451 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-09 06:57:18,580 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 06:57:18,590 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;@79c3c7fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 06:57:18,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-09 06:57:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-09 06:57:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-09 06:57:18,617 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 06:57:18,620 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:57:18,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 06:57:18,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:57:18,629 INFO L85 PathProgramCache]: Analyzing trace with hash -21987327, now seen corresponding path program 1 times
[2024-11-09 06:57:18,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-09 06:57:18,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5452377]
[2024-11-09 06:57:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:57:18,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-09 06:57:18,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat
[2024-11-09 06:57:18,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-09 06:57:18,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-09 06:57:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:57:19,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-09 06:57:19,411 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 06:57:19,514 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked.
[2024-11-09 06:57:19,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 06:57:19,518 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-09 06:57:19,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5452377]
[2024-11-09 06:57:19,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5452377] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 06:57:19,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 06:57:19,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 06:57:19,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415002690]
[2024-11-09 06:57:19,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 06:57:19,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-09 06:57:19,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-09 06:57:19,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-09 06:57:19,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-09 06:57:19,577 INFO L87 Difference]: Start difference. First operand has 75 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-09 06:57:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 06:57:19,642 INFO L93 Difference]: Finished difference Result 143 states and 251 transitions.
[2024-11-09 06:57:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-09 06:57:19,648 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140
[2024-11-09 06:57:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 06:57:19,670 INFO L225 Difference]: With dead ends: 143
[2024-11-09 06:57:19,670 INFO L226 Difference]: Without dead ends: 71
[2024-11-09 06:57:19,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-09 06:57:19,690 INFO L432 NwaCegarLoop]: 111 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, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 06:57:19,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 06:57:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-11-09 06:57:19,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2024-11-09 06:57:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-09 06:57:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions.
[2024-11-09 06:57:19,805 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 140
[2024-11-09 06:57:19,805 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 06:57:19,806 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions.
[2024-11-09 06:57:19,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2024-11-09 06:57:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions.
[2024-11-09 06:57:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-09 06:57:19,811 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 06:57:19,811 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:57:19,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-09 06:57:20,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-09 06:57:20,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 06:57:20,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:57:20,014 INFO L85 PathProgramCache]: Analyzing trace with hash 423617095, now seen corresponding path program 1 times
[2024-11-09 06:57:20,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-09 06:57:20,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624095825]
[2024-11-09 06:57:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:57:20,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-09 06:57:20,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat
[2024-11-09 06:57:20,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-09 06:57:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-09 06:57:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:57:20,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-09 06:57:20,766 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 06:57:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked.
[2024-11-09 06:57:21,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 06:57:21,242 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-09 06:57:21,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624095825]
[2024-11-09 06:57:21,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624095825] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 06:57:21,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 06:57:21,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-09 06:57:21,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563926816]
[2024-11-09 06:57:21,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 06:57:21,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 06:57:21,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-09 06:57:21,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 06:57:21,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-09 06:57:21,250 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21)
[2024-11-09 06:57:24,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-09 06:57:26,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-09 06:57:28,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-09 06:57:28,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 06:57:28,701 INFO L93 Difference]: Finished difference Result 146 states and 224 transitions.
[2024-11-09 06:57:28,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-09 06:57:28,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140
[2024-11-09 06:57:28,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 06:57:28,741 INFO L225 Difference]: With dead ends: 146
[2024-11-09 06:57:28,741 INFO L226 Difference]: Without dead ends: 78
[2024-11-09 06:57:28,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156
[2024-11-09 06:57:28,744 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 116 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 88 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time
[2024-11-09 06:57:28,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 166 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time]
[2024-11-09 06:57:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2024-11-09 06:57:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74.
[2024-11-09 06:57:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.26) internal successors, (63), 50 states have internal predecessors, (63), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-09 06:57:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions.
[2024-11-09 06:57:28,781 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 140
[2024-11-09 06:57:28,782 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 06:57:28,782 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions.
[2024-11-09 06:57:28,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21)
[2024-11-09 06:57:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions.
[2024-11-09 06:57:28,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-09 06:57:28,785 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 06:57:28,786 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:57:28,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-09 06:57:28,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-09 06:57:28,987 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 06:57:28,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:57:28,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1000059585, now seen corresponding path program 1 times
[2024-11-09 06:57:28,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-09 06:57:28,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291529286]
[2024-11-09 06:57:28,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:57:28,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-09 06:57:28,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat
[2024-11-09 06:57:28,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-09 06:57:28,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-09 06:57:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:57:29,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-09 06:57:29,476 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 06:57:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2024-11-09 06:57:29,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 06:57:29,540 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-09 06:57:29,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291529286]
[2024-11-09 06:57:29,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291529286] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 06:57:29,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 06:57:29,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 06:57:29,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201920258]
[2024-11-09 06:57:29,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 06:57:29,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 06:57:29,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-09 06:57:29,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 06:57:29,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 06:57:29,544 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2024-11-09 06:57:31,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-09 06:57:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 06:57:31,725 INFO L93 Difference]: Finished difference Result 145 states and 207 transitions.
[2024-11-09 06:57:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-09 06:57:31,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141
[2024-11-09 06:57:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 06:57:31,755 INFO L225 Difference]: With dead ends: 145
[2024-11-09 06:57:31,755 INFO L226 Difference]: Without dead ends: 74
[2024-11-09 06:57:31,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 06:57:31,758 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-09 06:57:31,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-09 06:57:31,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-11-09 06:57:31,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2024-11-09 06:57:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-09 06:57:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions.
[2024-11-09 06:57:31,777 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 141
[2024-11-09 06:57:31,778 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 06:57:31,778 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions.
[2024-11-09 06:57:31,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2024-11-09 06:57:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions.
[2024-11-09 06:57:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2024-11-09 06:57:31,781 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 06:57:31,782 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 06:57:31,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-09 06:57:31,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-09 06:57:31,982 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-09 06:57:31,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 06:57:31,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1548349162, now seen corresponding path program 1 times
[2024-11-09 06:57:31,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-09 06:57:31,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448539395]
[2024-11-09 06:57:31,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:57:31,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-09 06:57:31,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat
[2024-11-09 06:57:31,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-09 06:57:31,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-09 06:57:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:57:32,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-09 06:57:32,451 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 06:57:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked.
[2024-11-09 06:57:35,388 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 06:57:36,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-09 06:57:36,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448539395]
[2024-11-09 06:57:36,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448539395] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 06:57:36,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1945068085]
[2024-11-09 06:57:36,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 06:57:36,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-09 06:57:36,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/cvc4
[2024-11-09 06:57:36,526 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-09 06:57:36,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6fc193-d4ae-4af9-a962-a0f6b8c74a50/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-09 06:57:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 06:57:37,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-09 06:57:37,853 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 06:57:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 236 proven. 102 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked.
[2024-11-09 06:57:45,010 INFO L311 TraceCheckSpWp]: Computing backward predicates...