./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 12:23:45,686 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 12:23:45,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 12:23:45,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 12:23:45,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 12:23:45,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 12:23:45,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 12:23:45,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 12:23:45,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 12:23:45,799 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 12:23:45,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 12:23:45,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 12:23:45,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 12:23:45,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 12:23:45,803 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 12:23:45,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 12:23:45,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 12:23:45,804 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 12:23:45,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 12:23:45,805 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 12:23:45,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 12:23:45,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 12:23:45,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 12:23:45,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 12:23:45,812 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 12:23:45,812 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 12:23:45,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 12:23:45,813 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 12:23:45,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 12:23:45,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 12:23:45,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 12:23:45,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 12:23:45,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:23:45,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 12:23:45,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 12:23:45,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 12:23:45,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 12:23:45,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 12:23:45,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 12:23:45,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 12:23:45,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 12:23:45,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 12:23:45,817 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442
[2024-11-08 12:23:46,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 12:23:46,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 12:23:46,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 12:23:46,150 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 12:23:46,151 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 12:23:46,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i
Unable to find full path for "g++"
[2024-11-08 12:23:48,231 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 12:23:48,423 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 12:23:48,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i
[2024-11-08 12:23:48,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data/95da59f3f/6696088488054aabac7974f94e88d256/FLAGbc9213f4c
[2024-11-08 12:23:48,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data/95da59f3f/6696088488054aabac7974f94e88d256
[2024-11-08 12:23:48,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 12:23:48,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 12:23:48,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 12:23:48,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 12:23:48,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 12:23:48,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:48,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4febebee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48, skipping insertion in model container
[2024-11-08 12:23:48,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:48,503 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 12:23:48,735 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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926]
[2024-11-08 12:23:48,794 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:23:48,806 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 12:23:48,818 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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926]
[2024-11-08 12:23:48,854 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:23:48,878 INFO L204 MainTranslator]: Completed translation
[2024-11-08 12:23:48,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48 WrapperNode
[2024-11-08 12:23:48,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 12:23:48,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 12:23:48,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 12:23:48,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 12:23:48,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:48,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:48,950 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132
[2024-11-08 12:23:48,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 12:23:48,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 12:23:48,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 12:23:48,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 12:23:48,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:48,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:48,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,015 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 12:23:49,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 12:23:49,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 12:23:49,054 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 12:23:49,054 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 12:23:49,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (1/1) ...
[2024-11-08 12:23:49,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:23:49,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:23:49,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 12:23:49,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 12:23:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 12:23:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 12:23:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 12:23:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 12:23:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 12:23:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 12:23:49,249 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 12:23:49,253 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 12:23:49,699 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-08 12:23:49,699 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 12:23:49,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 12:23:49,716 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 12:23:49,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:49 BoogieIcfgContainer
[2024-11-08 12:23:49,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 12:23:49,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 12:23:49,722 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 12:23:49,725 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 12:23:49,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:23:48" (1/3) ...
[2024-11-08 12:23:49,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a314373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:49, skipping insertion in model container
[2024-11-08 12:23:49,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:48" (2/3) ...
[2024-11-08 12:23:49,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a314373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:49, skipping insertion in model container
[2024-11-08 12:23:49,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:49" (3/3) ...
[2024-11-08 12:23:49,729 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-59.i
[2024-11-08 12:23:49,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 12:23:49,750 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 12:23:49,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 12:23:49,829 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=PETRI_NET, 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;@43d7cea2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 12:23:49,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 12:23:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 12:23:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2024-11-08 12:23:49,845 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:23:49,846 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:23:49,847 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:23:49,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:49,852 INFO L85 PathProgramCache]: Analyzing trace with hash 502424345, now seen corresponding path program 1 times
[2024-11-08 12:23:49,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:49,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758859952]
[2024-11-08 12:23:49,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:49,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 12:23:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 12:23:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 12:23:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 12:23:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 12:23:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 12:23:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 12:23:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 12:23:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 12:23:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 12:23:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2024-11-08 12:23:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 12:23:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-08 12:23:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 12:23:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 12:23:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2024-11-08 12:23:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-08 12:23:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-08 12:23:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2024-11-08 12:23:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 12:23:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 12:23:50,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 12:23:50,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758859952]
[2024-11-08 12:23:50,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758859952] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:23:50,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:23:50,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 12:23:50,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159604291]
[2024-11-08 12:23:50,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:23:50,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 12:23:50,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 12:23:50,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 12:23:50,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 12:23:50,387 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-08 12:23:50,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:23:50,419 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions.
[2024-11-08 12:23:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 12:23:50,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126
[2024-11-08 12:23:50,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:23:50,433 INFO L225 Difference]: With dead ends: 115
[2024-11-08 12:23:50,433 INFO L226 Difference]: Without dead ends: 57
[2024-11-08 12:23:50,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 12:23:50,443 INFO L432 NwaCegarLoop]: 86 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, 86 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
[2024-11-08 12:23:50,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 12:23:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-08 12:23:50,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-11-08 12:23:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 12:23:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions.
[2024-11-08 12:23:50,495 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 126
[2024-11-08 12:23:50,496 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:23:50,496 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions.
[2024-11-08 12:23:50,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-08 12:23:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions.
[2024-11-08 12:23:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2024-11-08 12:23:50,500 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:23:50,501 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:23:50,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 12:23:50,501 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:23:50,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:50,502 INFO L85 PathProgramCache]: Analyzing trace with hash 276724181, now seen corresponding path program 1 times
[2024-11-08 12:23:50,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:50,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665699474]
[2024-11-08 12:23:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 12:23:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 12:23:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 12:23:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 12:23:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 12:23:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 12:23:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 12:23:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 12:23:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 12:23:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 12:23:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2024-11-08 12:23:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 12:23:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-08 12:23:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 12:23:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 12:23:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2024-11-08 12:23:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-08 12:23:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-08 12:23:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2024-11-08 12:23:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 12:23:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 12:23:51,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 12:23:51,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665699474]
[2024-11-08 12:23:51,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665699474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:23:51,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:23:51,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 12:23:51,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770030050]
[2024-11-08 12:23:51,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:23:51,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 12:23:51,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 12:23:51,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 12:23:51,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:23:51,123 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:23:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:23:51,217 INFO L93 Difference]: Finished difference Result 134 states and 200 transitions.
[2024-11-08 12:23:51,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 12:23:51,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126
[2024-11-08 12:23:51,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:23:51,220 INFO L225 Difference]: With dead ends: 134
[2024-11-08 12:23:51,223 INFO L226 Difference]: Without dead ends: 80
[2024-11-08 12:23:51,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:23:51,226 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 29 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 12:23:51,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 159 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 12:23:51,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-11-08 12:23:51,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77.
[2024-11-08 12:23:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 53 states have internal predecessors, (70), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-08 12:23:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 114 transitions.
[2024-11-08 12:23:51,250 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 114 transitions. Word has length 126
[2024-11-08 12:23:51,251 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:23:51,251 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 114 transitions.
[2024-11-08 12:23:51,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:23:51,252 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions.
[2024-11-08 12:23:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-08 12:23:51,254 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:23:51,255 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:23:51,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 12:23:51,255 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:23:51,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash 319685688, now seen corresponding path program 1 times
[2024-11-08 12:23:51,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:51,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299615007]
[2024-11-08 12:23:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 12:23:51,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890535144]
[2024-11-08 12:23:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:51,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:23:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:23:51,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 12:23:51,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 12:23:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:51,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-08 12:23:51,708 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:23:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 435 proven. 114 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked.
[2024-11-08 12:23:53,543 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 12:23:58,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 12:23:58,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299615007]
[2024-11-08 12:23:58,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 12:23:58,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890535144]
[2024-11-08 12:23:58,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890535144] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 12:23:58,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-08 12:23:58,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16
[2024-11-08 12:23:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948826698]
[2024-11-08 12:23:58,082 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-08 12:23:58,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-08 12:23:58,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 12:23:58,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-08 12:23:58,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380
[2024-11-08 12:23:58,086 INFO L87 Difference]: Start difference. First operand 77 states and 114 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2024-11-08 12:23:59,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:23:59,404 INFO L93 Difference]: Finished difference Result 221 states and 304 transitions.
[2024-11-08 12:23:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2024-11-08 12:23:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 127
[2024-11-08 12:23:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:23:59,409 INFO L225 Difference]: With dead ends: 221
[2024-11-08 12:23:59,409 INFO L226 Difference]: Without dead ends: 147
[2024-11-08 12:23:59,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=266, Invalid=664, Unknown=0, NotChecked=0, Total=930
[2024-11-08 12:23:59,412 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 171 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 12:23:59,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 368 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 12:23:59,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2024-11-08 12:23:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 98.
[2024-11-08 12:23:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 70 states have internal predecessors, (88), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-08 12:23:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions.
[2024-11-08 12:23:59,445 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 132 transitions. Word has length 127
[2024-11-08 12:23:59,448 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:23:59,448 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 132 transitions.
[2024-11-08 12:23:59,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2024-11-08 12:23:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions.
[2024-11-08 12:23:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-08 12:23:59,450 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:23:59,451 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:23:59,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 12:23:59,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:23:59,654 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:23:59,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:23:59,654 INFO L85 PathProgramCache]: Analyzing trace with hash 999744058, now seen corresponding path program 1 times
[2024-11-08 12:23:59,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:23:59,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303596003]
[2024-11-08 12:23:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:23:59,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:23:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 12:23:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 12:23:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 12:23:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 12:23:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 12:23:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 12:23:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2024-11-08 12:23:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 12:23:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2024-11-08 12:23:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 12:23:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2024-11-08 12:23:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 12:23:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-08 12:23:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 12:23:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 12:23:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2024-11-08 12:23:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-08 12:23:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-08 12:23:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105
[2024-11-08 12:23:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 12:23:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:23:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 12:23:59,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 12:23:59,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303596003]
[2024-11-08 12:23:59,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303596003] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:23:59,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:23:59,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 12:23:59,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306238252]
[2024-11-08 12:23:59,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:23:59,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 12:23:59,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 12:23:59,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 12:23:59,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:23:59,908 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:23:59,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:23:59,958 INFO L93 Difference]: Finished difference Result 195 states and 258 transitions.
[2024-11-08 12:23:59,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 12:23:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127
[2024-11-08 12:23:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:23:59,963 INFO L225 Difference]: With dead ends: 195
[2024-11-08 12:23:59,963 INFO L226 Difference]: Without dead ends: 100
[2024-11-08 12:23:59,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:23:59,968 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 19 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 12:23:59,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 162 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 12:23:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-11-08 12:23:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 86.
[2024-11-08 12:23:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 57 states have (on average 1.1578947368421053) internal successors, (66), 58 states have internal predecessors, (66), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-08 12:23:59,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions.
[2024-11-08 12:23:59,998 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 127
[2024-11-08 12:23:59,999 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:23:59,999 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions.
[2024-11-08 12:23:59,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:23:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions.
[2024-11-08 12:24:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-08 12:24:00,005 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:24:00,005 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:24:00,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 12:24:00,005 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:24:00,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:24:00,006 INFO L85 PathProgramCache]: Analyzing trace with hash 748716348, now seen corresponding path program 1 times
[2024-11-08 12:24:00,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 12:24:00,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038106662]
[2024-11-08 12:24:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:00,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 12:24:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 12:24:00,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97646570]
[2024-11-08 12:24:00,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:00,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:24:00,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:24:00,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 12:24:00,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 12:24:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:24:00,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 12:24:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 12:24:00,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 12:24:00,484 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 12:24:00,485 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 12:24:00,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 12:24:00,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:24:00,695 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-08 12:24:00,787 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 12:24:00,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:24:00 BoogieIcfgContainer
[2024-11-08 12:24:00,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 12:24:00,794 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 12:24:00,794 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 12:24:00,794 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 12:24:00,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:49" (3/4) ...
[2024-11-08 12:24:00,801 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 12:24:00,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 12:24:00,805 INFO L158 Benchmark]: Toolchain (without parser) took 12348.02ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 121.6MB in the beginning and 107.7MB in the end (delta: 13.9MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB.
[2024-11-08 12:24:00,806 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:24:00,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.40ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 119.2MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 12:24:00,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.96ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 115.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 12:24:00,808 INFO L158 Benchmark]: Boogie Preprocessor took 98.05ms. Allocated memory is still 159.4MB. Free memory was 115.7MB in the beginning and 108.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 12:24:00,809 INFO L158 Benchmark]: RCFGBuilder took 664.63ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 86.4MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2024-11-08 12:24:00,809 INFO L158 Benchmark]: TraceAbstraction took 11072.19ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 85.7MB in the beginning and 107.7MB in the end (delta: -22.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB.
[2024-11-08 12:24:00,809 INFO L158 Benchmark]: Witness Printer took 9.45ms. Allocated memory is still 195.0MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 12:24:00,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 421.40ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 119.2MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 70.96ms. Allocated memory is still 159.4MB. Free memory was 119.2MB in the beginning and 115.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 98.05ms. Allocated memory is still 159.4MB. Free memory was 115.7MB in the beginning and 108.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 664.63ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 86.4MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 11072.19ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 85.7MB in the beginning and 107.7MB in the end (delta: -22.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB.
* Witness Printer took 9.45ms. Allocated memory is still 195.0MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned short int var_1_1 = 1;
[L23] unsigned char var_1_2 = 0;
[L24] unsigned char var_1_3 = 100;
[L25] unsigned char var_1_4 = 25;
[L26] unsigned short int var_1_5 = 0;
[L27] unsigned short int var_1_6 = 62100;
[L28] unsigned short int var_1_7 = 27651;
[L29] double var_1_8 = 128.9;
[L30] unsigned char var_1_9 = 1;
[L31] double var_1_10 = 16.5;
[L32] double var_1_11 = 25.5;
[L33] double var_1_12 = 199.75;
[L34] unsigned char var_1_13 = 2;
[L35] unsigned char var_1_14 = 1;
[L36] unsigned char var_1_15 = 1;
[L37] unsigned char var_1_16 = 1;
[L38] unsigned short int var_1_17 = 32;
[L39] unsigned char var_1_18 = 1;
[L40] unsigned long int var_1_19 = 1;
VAL [isInitial=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L131] isInitial = 1
[L132] FCALL initially()
[L133] COND TRUE 1
[L134] FCALL updateLastVariables()
[L135] CALL updateVariables()
[L92] var_1_2 = __VERIFIER_nondet_uchar()
[L93] CALL assume_abort_if_not(var_1_2 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L93] RET assume_abort_if_not(var_1_2 >= 0)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L94] CALL assume_abort_if_not(var_1_2 <= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L94] RET assume_abort_if_not(var_1_2 <= 1)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_3=100, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L95] var_1_3 = __VERIFIER_nondet_uchar()
[L96] CALL assume_abort_if_not(var_1_3 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L96] RET assume_abort_if_not(var_1_3 >= 0)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L97] CALL assume_abort_if_not(var_1_3 <= 255)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L97] RET assume_abort_if_not(var_1_3 <= 255)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L98] var_1_4 = __VERIFIER_nondet_uchar()
[L99] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L99] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L100] CALL assume_abort_if_not(var_1_4 <= 255)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L100] RET assume_abort_if_not(var_1_4 <= 255)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L101] CALL assume_abort_if_not(var_1_4 != 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L101] RET assume_abort_if_not(var_1_4 != 0)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L102] var_1_6 = __VERIFIER_nondet_ushort()
[L103] CALL assume_abort_if_not(var_1_6 >= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L103] RET assume_abort_if_not(var_1_6 >= 32767)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L104] CALL assume_abort_if_not(var_1_6 <= 65534)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L104] RET assume_abort_if_not(var_1_6 <= 65534)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=27651, var_1_8=1289/10, var_1_9=1]
[L105] var_1_7 = __VERIFIER_nondet_ushort()
[L106] CALL assume_abort_if_not(var_1_7 >= 16383)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L106] RET assume_abort_if_not(var_1_7 >= 16383)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L107] CALL assume_abort_if_not(var_1_7 <= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L107] RET assume_abort_if_not(var_1_7 <= 32767)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L108] var_1_9 = __VERIFIER_nondet_uchar()
[L109] CALL assume_abort_if_not(var_1_9 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10]
[L109] RET assume_abort_if_not(var_1_9 >= 0)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10]
[L110] CALL assume_abort_if_not(var_1_9 <= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L110] RET assume_abort_if_not(var_1_9 <= 1)
VAL [isInitial=1, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L111] var_1_10 = __VERIFIER_nondet_double()
[L112] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L112] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L113] var_1_11 = __VERIFIER_nondet_double()
[L114] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L114] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ))
VAL [isInitial=1, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L115] var_1_12 = __VERIFIER_nondet_double()
[L116] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L116] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ))
VAL [isInitial=1, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L117] var_1_14 = __VERIFIER_nondet_uchar()
[L118] CALL assume_abort_if_not(var_1_14 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L118] RET assume_abort_if_not(var_1_14 >= 0)
VAL [isInitial=1, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L119] CALL assume_abort_if_not(var_1_14 <= 254)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L119] RET assume_abort_if_not(var_1_14 <= 254)
VAL [isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L120] var_1_16 = __VERIFIER_nondet_uchar()
[L121] CALL assume_abort_if_not(var_1_16 >= 1)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L121] RET assume_abort_if_not(var_1_16 >= 1)
VAL [isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L122] CALL assume_abort_if_not(var_1_16 <= 1)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L122] RET assume_abort_if_not(var_1_16 <= 1)
VAL [isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_2=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L135] RET updateVariables()
[L136] CALL step()
[L44] COND FALSE !((var_1_3 != (16 / var_1_4)) && var_1_2)
[L55] var_1_1 = var_1_3
VAL [isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L57] COND FALSE !(var_1_1 < var_1_3)
VAL [isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=0, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L60] COND TRUE ! var_1_2
[L61] var_1_5 = ((((var_1_3) > ((var_1_7 + var_1_4))) ? (var_1_3) : ((var_1_7 + var_1_4))))
VAL [isInitial=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=1289/10, var_1_9=1]
[L64] COND FALSE !(\read(var_1_2))
[L71] var_1_8 = var_1_11
VAL [isInitial=1, var_1_11=2, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
[L73] COND TRUE var_1_3 != ((var_1_6 / var_1_4) * ((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))))
VAL [isInitial=1, var_1_11=2, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
[L74] COND TRUE var_1_3 <= var_1_6
[L75] var_1_13 = 32
VAL [isInitial=1, var_1_11=2, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
[L82] COND TRUE var_1_12 != var_1_8
[L83] var_1_15 = (! var_1_16)
VAL [isInitial=1, var_1_11=2, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
[L87] var_1_17 = var_1_4
[L88] var_1_18 = var_1_16
[L89] var_1_19 = var_1_4
VAL [isInitial=1, var_1_11=2, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
[L136] RET step()
[L137] CALL, EXPR property()
[L127-L128] return (((((((((var_1_3 != (16 / var_1_4)) && var_1_2) ? ((var_1_3 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_3))) : (var_1_2 ? (var_1_1 == ((unsigned short int) var_1_3)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_3))) && ((var_1_1 < var_1_3) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - var_1_3)))) : ((! var_1_2) ? (var_1_5 == ((unsigned short int) ((((var_1_3) > ((var_1_7 + var_1_4))) ? (var_1_3) : ((var_1_7 + var_1_4)))))) : 1))) && (var_1_2 ? (((! var_1_9) || (var_1_5 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_3 != ((var_1_6 / var_1_4) * ((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))))) ? ((var_1_3 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4))
;
VAL [\result=0, isInitial=1, var_1_11=2, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
[L137] RET, EXPR property()
[L137] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, var_1_11=2, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
[L19] reach_error()
VAL [isInitial=1, var_1_11=2, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=255, var_1_5=16638, var_1_6=-32642, var_1_7=-49153, var_1_8=2, var_1_9=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 438 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 594 IncrementalHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 337 mSDtfsCounter, 594 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 66 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 889 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 502 ConstructedInterpolants, 0 QuantifiedInterpolants, 2017 SizeOfPredicates, 6 NumberOfNonLiveVariables, 295 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2926/3040 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
[2024-11-08 12:24:00,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 12:24:03,409 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 12:24:03,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-08 12:24:03,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 12:24:03,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 12:24:03,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 12:24:03,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 12:24:03,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 12:24:03,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 12:24:03,563 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 12:24:03,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 12:24:03,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 12:24:03,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 12:24:03,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 12:24:03,566 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 12:24:03,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 12:24:03,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 12:24:03,568 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 12:24:03,569 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 12:24:03,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 12:24:03,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 12:24:03,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 12:24:03,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 12:24:03,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 12:24:03,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 12:24:03,574 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 12:24:03,575 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 12:24:03,575 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 12:24:03,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 12:24:03,575 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 12:24:03,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 12:24:03,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 12:24:03,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 12:24:03,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 12:24:03,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:24:03,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 12:24:03,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 12:24:03,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 12:24:03,580 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 12:24:03,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 12:24:03,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 12:24:03,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 12:24:03,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 12:24:03,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 12:24:03,582 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e093e3889d1250dd6c4e72475f92fd634899e4114caa675b33a0cb0284b4d442
[2024-11-08 12:24:03,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 12:24:04,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 12:24:04,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 12:24:04,014 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 12:24:04,014 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 12:24:04,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i
Unable to find full path for "g++"
[2024-11-08 12:24:06,170 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 12:24:06,400 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 12:24:06,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i
[2024-11-08 12:24:06,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data/6b0bb1c77/89268a7c91c6425a835b952d91199513/FLAG63729bfc9
[2024-11-08 12:24:06,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/data/6b0bb1c77/89268a7c91c6425a835b952d91199513
[2024-11-08 12:24:06,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 12:24:06,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 12:24:06,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 12:24:06,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 12:24:06,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 12:24:06,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439d30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06, skipping insertion in model container
[2024-11-08 12:24:06,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,475 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 12:24:06,673 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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926]
[2024-11-08 12:24:06,757 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:24:06,773 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 12:24:06,787 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_aa0c85c0-b0d9-465c-825a-ace32ca5daca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-59.i[913,926]
[2024-11-08 12:24:06,833 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 12:24:06,863 INFO L204 MainTranslator]: Completed translation
[2024-11-08 12:24:06,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06 WrapperNode
[2024-11-08 12:24:06,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 12:24:06,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 12:24:06,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 12:24:06,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 12:24:06,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,933 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132
[2024-11-08 12:24:06,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 12:24:06,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 12:24:06,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 12:24:06,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 12:24:06,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:06,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,002 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 12:24:07,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 12:24:07,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 12:24:07,044 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 12:24:07,044 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 12:24:07,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (1/1) ...
[2024-11-08 12:24:07,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 12:24:07,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:24:07,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 12:24:07,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 12:24:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 12:24:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 12:24:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 12:24:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 12:24:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 12:24:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 12:24:07,263 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 12:24:07,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 12:24:08,880 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-08 12:24:08,881 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 12:24:08,901 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 12:24:08,903 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 12:24:08,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:24:08 BoogieIcfgContainer
[2024-11-08 12:24:08,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 12:24:08,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 12:24:08,907 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 12:24:08,911 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 12:24:08,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:24:06" (1/3) ...
[2024-11-08 12:24:08,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2c672e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:24:08, skipping insertion in model container
[2024-11-08 12:24:08,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:24:06" (2/3) ...
[2024-11-08 12:24:08,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2c672e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:24:08, skipping insertion in model container
[2024-11-08 12:24:08,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:24:08" (3/3) ...
[2024-11-08 12:24:08,917 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-59.i
[2024-11-08 12:24:08,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 12:24:08,938 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 12:24:09,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 12:24:09,028 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=PETRI_NET, 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;@2e7a2e2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 12:24:09,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 12:24:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 12:24:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2024-11-08 12:24:09,053 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:24:09,054 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:24:09,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:24:09,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:24:09,063 INFO L85 PathProgramCache]: Analyzing trace with hash 502424345, now seen corresponding path program 1 times
[2024-11-08 12:24:09,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 12:24:09,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6578362]
[2024-11-08 12:24:09,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:09,083 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
[2024-11-08 12:24:09,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 12:24:09,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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)
[2024-11-08 12:24:09,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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
[2024-11-08 12:24:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:24:09,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 12:24:09,462 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:24:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked.
[2024-11-08 12:24:09,510 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 12:24:09,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 12:24:09,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6578362]
[2024-11-08 12:24:09,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6578362] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:24:09,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:24:09,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 12:24:09,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160288633]
[2024-11-08 12:24:09,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:24:09,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 12:24:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 12:24:09,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 12:24:09,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 12:24:09,548 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-08 12:24:09,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:24:09,580 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions.
[2024-11-08 12:24:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 12:24:09,584 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126
[2024-11-08 12:24:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:24:09,592 INFO L225 Difference]: With dead ends: 115
[2024-11-08 12:24:09,593 INFO L226 Difference]: Without dead ends: 57
[2024-11-08 12:24:09,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 12:24:09,601 INFO L432 NwaCegarLoop]: 86 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, 86 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
[2024-11-08 12:24:09,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 12:24:09,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-08 12:24:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-11-08 12:24:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 12:24:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions.
[2024-11-08 12:24:09,665 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 126
[2024-11-08 12:24:09,666 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:24:09,666 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions.
[2024-11-08 12:24:09,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-08 12:24:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions.
[2024-11-08 12:24:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2024-11-08 12:24:09,674 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:24:09,674 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:24:09,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0
[2024-11-08 12:24:09,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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
[2024-11-08 12:24:09,878 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:24:09,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:24:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash 276724181, now seen corresponding path program 1 times
[2024-11-08 12:24:09,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 12:24:09,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435279123]
[2024-11-08 12:24:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:09,880 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
[2024-11-08 12:24:09,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 12:24:09,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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)
[2024-11-08 12:24:09,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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
[2024-11-08 12:24:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:24:10,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 12:24:10,236 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:24:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 12:24:10,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 12:24:10,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 12:24:10,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435279123]
[2024-11-08 12:24:10,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435279123] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:24:10,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:24:10,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 12:24:10,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62215910]
[2024-11-08 12:24:10,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:24:10,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 12:24:10,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 12:24:10,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 12:24:10,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:24:10,349 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:24:10,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:24:10,789 INFO L93 Difference]: Finished difference Result 134 states and 200 transitions.
[2024-11-08 12:24:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 12:24:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 126
[2024-11-08 12:24:10,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:24:10,792 INFO L225 Difference]: With dead ends: 134
[2024-11-08 12:24:10,792 INFO L226 Difference]: Without dead ends: 80
[2024-11-08 12:24:10,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:24:10,796 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 29 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 12:24:10,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 174 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 12:24:10,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-11-08 12:24:10,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77.
[2024-11-08 12:24:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 53 states have internal predecessors, (70), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-08 12:24:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 114 transitions.
[2024-11-08 12:24:10,816 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 114 transitions. Word has length 126
[2024-11-08 12:24:10,816 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:24:10,817 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 114 transitions.
[2024-11-08 12:24:10,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:24:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions.
[2024-11-08 12:24:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-08 12:24:10,819 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:24:10,819 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:24:10,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-08 12:24:11,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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
[2024-11-08 12:24:11,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:24:11,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:24:11,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1501803382, now seen corresponding path program 1 times
[2024-11-08 12:24:11,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 12:24:11,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384925911]
[2024-11-08 12:24:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:11,022 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
[2024-11-08 12:24:11,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 12:24:11,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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)
[2024-11-08 12:24:11,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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
[2024-11-08 12:24:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:24:11,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-08 12:24:11,317 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:24:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 12:24:11,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 12:24:11,363 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 12:24:11,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384925911]
[2024-11-08 12:24:11,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384925911] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 12:24:11,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 12:24:11,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 12:24:11,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558082962]
[2024-11-08 12:24:11,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 12:24:11,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 12:24:11,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 12:24:11,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 12:24:11,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:24:11,366 INFO L87 Difference]: Start difference. First operand 77 states and 114 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:24:11,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:24:11,793 INFO L93 Difference]: Finished difference Result 168 states and 247 transitions.
[2024-11-08 12:24:11,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 12:24:11,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127
[2024-11-08 12:24:11,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:24:11,798 INFO L225 Difference]: With dead ends: 168
[2024-11-08 12:24:11,799 INFO L226 Difference]: Without dead ends: 94
[2024-11-08 12:24:11,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 12:24:11,801 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 20 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 12:24:11,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 166 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 12:24:11,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-08 12:24:11,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80.
[2024-11-08 12:24:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 56 states have internal predecessors, (70), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-08 12:24:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions.
[2024-11-08 12:24:11,820 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 127
[2024-11-08 12:24:11,824 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:24:11,825 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions.
[2024-11-08 12:24:11,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 12:24:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions.
[2024-11-08 12:24:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-08 12:24:11,827 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:24:11,827 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:24:11,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-11-08 12:24:12,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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
[2024-11-08 12:24:12,028 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:24:12,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:24:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash 319685688, now seen corresponding path program 1 times
[2024-11-08 12:24:12,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 12:24:12,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629409244]
[2024-11-08 12:24:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:12,030 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
[2024-11-08 12:24:12,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 12:24:12,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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)
[2024-11-08 12:24:12,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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
[2024-11-08 12:24:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:24:12,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-08 12:24:12,444 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:24:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 435 proven. 114 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked.
[2024-11-08 12:24:15,024 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 12:24:53,755 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 12:24:53,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629409244]
[2024-11-08 12:24:53,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629409244] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 12:24:53,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763096211]
[2024-11-08 12:24:53,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:24:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:24:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 12:24:53,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 12:24:53,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 12:24:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:24:54,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-08 12:24:54,902 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:24:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 435 proven. 114 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked.
[2024-11-08 12:24:56,631 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 12:25:40,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763096211] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 12:25:40,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 12:25:40,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 16
[2024-11-08 12:25:40,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80291709]
[2024-11-08 12:25:40,875 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 12:25:40,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-08 12:25:40,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 12:25:40,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-08 12:25:40,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380
[2024-11-08 12:25:40,878 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2024-11-08 12:25:49,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 12:25:53,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 12:25:56,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 12:25:59,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-08 12:26:03,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 12:26:03,832 INFO L93 Difference]: Finished difference Result 204 states and 272 transitions.
[2024-11-08 12:26:03,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2024-11-08 12:26:03,834 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 127
[2024-11-08 12:26:03,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 12:26:03,836 INFO L225 Difference]: With dead ends: 204
[2024-11-08 12:26:03,836 INFO L226 Difference]: Without dead ends: 127
[2024-11-08 12:26:03,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 62.9s TimeCoverageRelationStatistics Valid=266, Invalid=664, Unknown=0, NotChecked=0, Total=930
[2024-11-08 12:26:03,838 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 108 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time
[2024-11-08 12:26:03,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 284 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time]
[2024-11-08 12:26:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2024-11-08 12:26:03,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 98.
[2024-11-08 12:26:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 70 states have internal predecessors, (83), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-08 12:26:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions.
[2024-11-08 12:26:03,857 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 127
[2024-11-08 12:26:03,858 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 12:26:03,858 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions.
[2024-11-08 12:26:03,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2024-11-08 12:26:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions.
[2024-11-08 12:26:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-08 12:26:03,861 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 12:26:03,861 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 12:26:03,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-08 12:26:04,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-08 12:26:04,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 12:26:04,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 12:26:04,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 12:26:04,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1951520292, now seen corresponding path program 1 times
[2024-11-08 12:26:04,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 12:26:04,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328093953]
[2024-11-08 12:26:04,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 12:26:04,268 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
[2024-11-08 12:26:04,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 12:26:04,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/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)
[2024-11-08 12:26:04,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0c85c0-b0d9-465c-825a-ace32ca5daca/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-11-08 12:26:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 12:26:04,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-11-08 12:26:04,568 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 12:26:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 357 proven. 18 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked.
[2024-11-08 12:26:17,764 INFO L311 TraceCheckSpWp]: Computing backward predicates...