./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 bdb04820b0552f240cac64f9b4eeb39d6636c8d16d50737ca938c89bab3fc009
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:16:14,760 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:16:14,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 17:16:14,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:16:14,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:16:14,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:16:14,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:16:14,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:16:14,914 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:16:14,914 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:16:14,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:16:14,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:16:14,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:16:14,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:16:14,920 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:16:14,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:16:14,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:16:14,921 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:16:14,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:16:14,922 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:16:14,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:16:14,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:16:14,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:16:14,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:16:14,928 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:16:14,928 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:16:14,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:16:14,929 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:16:14,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:16:14,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:16:14,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:16:14,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:16:14,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:16:14,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:16:14,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:16:14,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:16:14,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:16:14,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:16:14,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:16:14,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:16:14,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:16:14,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:16:14,937 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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb04820b0552f240cac64f9b4eeb39d6636c8d16d50737ca938c89bab3fc009
[2024-11-08 17:16:15,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:16:15,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:16:15,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:16:15,244 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:16:15,244 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:16:15,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i
Unable to find full path for "g++"
[2024-11-08 17:16:17,330 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:16:17,541 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:16:17,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i
[2024-11-08 17:16:17,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data/48ba1700c/f659d73311f64292b41cc712d106fa2f/FLAG542bd58f7
[2024-11-08 17:16:17,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data/48ba1700c/f659d73311f64292b41cc712d106fa2f
[2024-11-08 17:16:17,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:16:17,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:16:17,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:17,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:16:17,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:16:17,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:17,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323df65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17, skipping insertion in model container
[2024-11-08 17:16:17,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:17,612 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:16:17,796 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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i[913,926]
[2024-11-08 17:16:17,851 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:17,862 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:16:17,876 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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i[913,926]
[2024-11-08 17:16:17,915 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:17,942 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:16:17,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17 WrapperNode
[2024-11-08 17:16:17,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:17,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:16:17,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:16:17,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:16:17,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:17,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,008 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135
[2024-11-08 17:16:18,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:16:18,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:16:18,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:16:18,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:16:18,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,046 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 17:16:18,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:16:18,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:16:18,073 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:16:18,073 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:16:18,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (1/1) ...
[2024-11-08 17:16:18,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:16:18,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:18,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:16:18,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:16:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:16:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:16:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:16:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:16:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:16:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:16:18,240 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:16:18,243 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:16:18,656 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-08 17:16:18,657 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:16:18,680 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:16:18,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:16:18,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:18 BoogieIcfgContainer
[2024-11-08 17:16:18,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:16:18,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:16:18,687 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:16:18,690 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:16:18,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:16:17" (1/3) ...
[2024-11-08 17:16:18,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f3f207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:18, skipping insertion in model container
[2024-11-08 17:16:18,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:17" (2/3) ...
[2024-11-08 17:16:18,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f3f207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:18, skipping insertion in model container
[2024-11-08 17:16:18,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:18" (3/3) ...
[2024-11-08 17:16:18,694 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-68.i
[2024-11-08 17:16:18,712 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:16:18,712 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:16:18,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:16:18,788 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;@6d3445f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:16:18,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:16:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 45 states have internal predecessors, (65), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2024-11-08 17:16:18,805 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:18,806 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:18,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:18,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:18,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1936413828, now seen corresponding path program 1 times
[2024-11-08 17:16:18,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:16:18,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051273675]
[2024-11-08 17:16:18,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:16:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:16:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:16:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:16:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:16:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:16:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:16:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:16:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:16:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:16:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:16:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:16:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:16:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-08 17:16:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:16:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:16:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:16:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-08 17:16:19,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:16:19,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051273675]
[2024-11-08 17:16:19,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051273675] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:19,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:19,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:16:19,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108159883]
[2024-11-08 17:16:19,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:19,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:16:19,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:16:19,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:16:19,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:16:19,233 INFO L87 Difference]: Start difference. First operand has 63 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 45 states have internal predecessors, (65), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-08 17:16:19,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:19,261 INFO L93 Difference]: Finished difference Result 119 states and 204 transitions.
[2024-11-08 17:16:19,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:16:19,264 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107
[2024-11-08 17:16:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:19,272 INFO L225 Difference]: With dead ends: 119
[2024-11-08 17:16:19,273 INFO L226 Difference]: Without dead ends: 59
[2024-11-08 17:16:19,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 17:16:19,280 INFO L432 NwaCegarLoop]: 89 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, 89 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 17:16:19,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:16:19,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-11-08 17:16:19,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2024-11-08 17:16:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 41 states have internal predecessors, (57), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions.
[2024-11-08 17:16:19,329 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 107
[2024-11-08 17:16:19,329 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:19,329 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions.
[2024-11-08 17:16:19,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-08 17:16:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions.
[2024-11-08 17:16:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-08 17:16:19,334 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:19,334 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:19,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:16:19,335 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:19,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:19,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1430837422, now seen corresponding path program 1 times
[2024-11-08 17:16:19,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:16:19,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545731193]
[2024-11-08 17:16:19,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:19,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:16:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:16:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:16:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:16:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:16:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:16:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:16:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:16:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:16:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:16:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:16:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:16:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:16:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:19,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-08 17:16:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:16:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:16:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:16:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-08 17:16:20,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:16:20,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545731193]
[2024-11-08 17:16:20,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545731193] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:20,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:20,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:20,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853322406]
[2024-11-08 17:16:20,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:20,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:20,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:16:20,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:20,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:20,016 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-08 17:16:20,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:20,265 INFO L93 Difference]: Finished difference Result 173 states and 256 transitions.
[2024-11-08 17:16:20,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:16:20,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 108
[2024-11-08 17:16:20,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:20,268 INFO L225 Difference]: With dead ends: 173
[2024-11-08 17:16:20,268 INFO L226 Difference]: Without dead ends: 117
[2024-11-08 17:16:20,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:16:20,270 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 127 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:20,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 176 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:16:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2024-11-08 17:16:20,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 64.
[2024-11-08 17:16:20,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:20,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions.
[2024-11-08 17:16:20,287 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 108
[2024-11-08 17:16:20,287 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:20,287 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions.
[2024-11-08 17:16:20,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-08 17:16:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions.
[2024-11-08 17:16:20,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-08 17:16:20,291 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:20,291 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:20,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:16:20,291 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:20,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:20,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1037810412, now seen corresponding path program 1 times
[2024-11-08 17:16:20,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:16:20,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943961967]
[2024-11-08 17:16:20,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:20,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:16:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:16:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:16:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:16:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:16:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:16:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:16:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:16:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:16:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:16:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:16:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:16:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:16:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70
[2024-11-08 17:16:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:16:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:16:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:16:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-08 17:16:20,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:16:20,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943961967]
[2024-11-08 17:16:20,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943961967] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:16:20,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329467657]
[2024-11-08 17:16:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:20,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:20,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:20,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:20,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:16:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:20,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:20,844 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 253 proven. 24 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked.
[2024-11-08 17:16:21,076 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:16:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-08 17:16:21,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329467657] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:16:21,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:16:21,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7
[2024-11-08 17:16:21,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341705438]
[2024-11-08 17:16:21,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:16:21,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 17:16:21,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:16:21,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 17:16:21,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-08 17:16:21,349 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2024-11-08 17:16:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:21,561 INFO L93 Difference]: Finished difference Result 132 states and 188 transitions.
[2024-11-08 17:16:21,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-08 17:16:21,562 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 108
[2024-11-08 17:16:21,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:21,564 INFO L225 Difference]: With dead ends: 132
[2024-11-08 17:16:21,564 INFO L226 Difference]: Without dead ends: 71
[2024-11-08 17:16:21,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-08 17:16:21,566 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 48 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:21,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 158 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:16:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-11-08 17:16:21,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67.
[2024-11-08 17:16:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions.
[2024-11-08 17:16:21,582 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 108
[2024-11-08 17:16:21,582 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:21,583 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions.
[2024-11-08 17:16:21,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2024-11-08 17:16:21,583 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions.
[2024-11-08 17:16:21,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-11-08 17:16:21,587 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:21,587 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:21,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 17:16:21,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-11-08 17:16:21,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:21,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:21,793 INFO L85 PathProgramCache]: Analyzing trace with hash 139058677, now seen corresponding path program 1 times
[2024-11-08 17:16:21,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:16:21,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935301800]
[2024-11-08 17:16:21,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:21,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:16:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 17:16:21,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [454055190]
[2024-11-08 17:16:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:21,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:21,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:21,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:21,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:16:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:16:21,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:16:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:16:22,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 17:16:22,101 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:16:22,102 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 17:16:22,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 17:16:22,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:22,307 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 17:16:22,377 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:16:22,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:16:22 BoogieIcfgContainer
[2024-11-08 17:16:22,380 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:16:22,381 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:16:22,381 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:16:22,381 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:16:22,381 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:18" (3/4) ...
[2024-11-08 17:16:22,384 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:16:22,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:16:22,390 INFO L158 Benchmark]: Toolchain (without parser) took 4817.61ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 127.3MB in the beginning and 103.4MB in the end (delta: 23.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB.
[2024-11-08 17:16:22,391 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 80.9MB in the beginning and 80.8MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:16:22,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.67ms. Allocated memory is still 165.7MB. Free memory was 127.3MB in the beginning and 111.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 17:16:22,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.03ms. Allocated memory is still 165.7MB. Free memory was 111.6MB in the beginning and 107.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:16:22,392 INFO L158 Benchmark]: Boogie Preprocessor took 62.85ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 102.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:16:22,392 INFO L158 Benchmark]: RCFGBuilder took 611.43ms. Allocated memory is still 165.7MB. Free memory was 102.7MB in the beginning and 121.9MB in the end (delta: -19.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB.
[2024-11-08 17:16:22,393 INFO L158 Benchmark]: TraceAbstraction took 3693.70ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 120.9MB in the beginning and 103.4MB in the end (delta: 17.6MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB.
[2024-11-08 17:16:22,393 INFO L158 Benchmark]: Witness Printer took 8.75ms. Allocated memory is still 199.2MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:16:22,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 80.9MB in the beginning and 80.8MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 368.67ms. Allocated memory is still 165.7MB. Free memory was 127.3MB in the beginning and 111.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 65.03ms. Allocated memory is still 165.7MB. Free memory was 111.6MB in the beginning and 107.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 62.85ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 102.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 611.43ms. Allocated memory is still 165.7MB. Free memory was 102.7MB in the beginning and 121.9MB in the end (delta: -19.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 3693.70ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 120.9MB in the beginning and 103.4MB in the end (delta: 17.6MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB.
* Witness Printer took 8.75ms. Allocated memory is still 199.2MB. Free memory is still 103.4MB. 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 111, overapproximation of someBinaryFLOATComparisonOperation at line 111.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 1;
[L23] unsigned char var_1_2 = 10;
[L24] unsigned char var_1_3 = 25;
[L25] unsigned char var_1_4 = 16;
[L26] unsigned char var_1_5 = 0;
[L27] unsigned char var_1_6 = 0;
[L28] unsigned char var_1_7 = 1;
[L29] unsigned char var_1_8 = 32;
[L30] double var_1_9 = 4.6;
[L31] double var_1_10 = 9.25;
[L32] double var_1_11 = 1.25;
[L33] unsigned char var_1_12 = 100;
[L34] unsigned char var_1_13 = 64;
[L35] unsigned char var_1_14 = 0;
[L36] float var_1_15 = 7.5;
[L37] signed long int var_1_16 = 0;
VAL [isInitial=0, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=10, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L115] isInitial = 1
[L116] FCALL initially()
[L117] COND TRUE 1
[L118] FCALL updateLastVariables()
[L119] CALL updateVariables()
[L83] var_1_2 = __VERIFIER_nondet_uchar()
[L84] CALL assume_abort_if_not(var_1_2 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L84] RET assume_abort_if_not(var_1_2 >= 0)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L85] CALL assume_abort_if_not(var_1_2 <= 255)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L85] RET assume_abort_if_not(var_1_2 <= 255)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=25, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L86] var_1_3 = __VERIFIER_nondet_uchar()
[L87] CALL assume_abort_if_not(var_1_3 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L87] RET assume_abort_if_not(var_1_3 >= 0)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L88] CALL assume_abort_if_not(var_1_3 <= 255)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L88] RET assume_abort_if_not(var_1_3 <= 255)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_4=16, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L89] var_1_4 = __VERIFIER_nondet_uchar()
[L90] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L90] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L91] CALL assume_abort_if_not(var_1_4 <= 255)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L91] RET assume_abort_if_not(var_1_4 <= 255)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L92] var_1_5 = __VERIFIER_nondet_uchar()
[L93] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L93] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L94] CALL assume_abort_if_not(var_1_5 <= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L94] RET assume_abort_if_not(var_1_5 <= 0)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L95] var_1_7 = __VERIFIER_nondet_uchar()
[L96] CALL assume_abort_if_not(var_1_7 >= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L96] RET assume_abort_if_not(var_1_7 >= 1)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L97] CALL assume_abort_if_not(var_1_7 <= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L97] RET assume_abort_if_not(var_1_7 <= 1)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5]
[L98] var_1_8 = __VERIFIER_nondet_uchar()
[L99] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L99] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L100] CALL assume_abort_if_not(var_1_8 <= 255)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L100] RET assume_abort_if_not(var_1_8 <= 255)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5]
[L101] CALL assume_abort_if_not(var_1_8 != 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L101] RET assume_abort_if_not(var_1_8 != 0)
VAL [isInitial=1, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L102] var_1_10 = __VERIFIER_nondet_double()
[L103] 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=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L103] 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=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L104] var_1_13 = __VERIFIER_nondet_uchar()
[L105] CALL assume_abort_if_not(var_1_13 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L105] RET assume_abort_if_not(var_1_13 >= 0)
VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L106] CALL assume_abort_if_not(var_1_13 <= 254)
VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L106] RET assume_abort_if_not(var_1_13 <= 254)
VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L119] RET updateVariables()
[L120] CALL step()
[L41] EXPR var_1_3 ^ var_1_4
VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L41] COND TRUE var_1_2 <= (var_1_3 ^ var_1_4)
[L42] var_1_1 = (! var_1_5)
VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L46] COND FALSE !(-256 >= var_1_3)
VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L49] COND TRUE (var_1_2 < (var_1_4 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)
[L50] var_1_6 = var_1_7
VAL [isInitial=1, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=23/5]
[L53] COND TRUE ((((((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) > (var_1_4)) ? (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) <= (50 * var_1_8)
[L54] var_1_9 = var_1_10
VAL [isInitial=1, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L56] COND TRUE (var_1_7 && var_1_1) || (! var_1_5)
[L57] var_1_11 = var_1_10
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L59] COND TRUE \read(var_1_1)
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=100, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L60] COND FALSE !(var_1_10 >= (- var_1_9))
[L67] var_1_12 = var_1_13
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L72] COND FALSE !((var_1_13 % (5u + 256u)) <= var_1_2)
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L79] var_1_15 = var_1_10
[L80] var_1_16 = var_1_3
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L120] RET step()
[L121] CALL, EXPR property()
[L111] EXPR var_1_3 ^ var_1_4
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L111-L112] return ((((((((var_1_2 <= (var_1_3 ^ var_1_4)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_3) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_2 < (var_1_4 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) > (var_1_4)) ? (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_1) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (var_1_1 ? ((var_1_10 >= (- var_1_9)) ? ((var_1_8 != var_1_3) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_2) ? (((var_1_13 + 16) >= var_1_2) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) var_1_3))
;
[L121] RET, EXPR property()
[L121] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
[L19] reach_error()
VAL [isInitial=1, var_1_10=2, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=2, var_1_16=0, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 423 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 171 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 252 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 331 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 3 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 1017 SizeOfPredicates, 1 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2328/2400 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 17:16:22,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 bdb04820b0552f240cac64f9b4eeb39d6636c8d16d50737ca938c89bab3fc009
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:16:24,876 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:16:24,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-08 17:16:24,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:16:24,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:16:25,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:16:25,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:16:25,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:16:25,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:16:25,039 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:16:25,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:16:25,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:16:25,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:16:25,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:16:25,043 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:16:25,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:16:25,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:16:25,047 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:16:25,048 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:16:25,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:16:25,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:16:25,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:16:25,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:16:25,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:16:25,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:16:25,050 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:16:25,051 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:16:25,051 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:16:25,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:16:25,052 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:16:25,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:16:25,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:16:25,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:16:25,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:16:25,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:16:25,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:16:25,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:16:25,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:16:25,058 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:16:25,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:16:25,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:16:25,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:16:25,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:16:25,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:16:25,060 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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb04820b0552f240cac64f9b4eeb39d6636c8d16d50737ca938c89bab3fc009
[2024-11-08 17:16:25,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:16:25,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:16:25,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:16:25,513 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:16:25,514 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:16:25,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i
Unable to find full path for "g++"
[2024-11-08 17:16:27,711 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:16:27,963 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:16:27,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i
[2024-11-08 17:16:27,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data/37eddd9e1/5b9451a1f3c14a08824e1d4d1e2ef297/FLAG0d2a0b081
[2024-11-08 17:16:27,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/data/37eddd9e1/5b9451a1f3c14a08824e1d4d1e2ef297
[2024-11-08 17:16:27,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:16:27,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:16:28,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:28,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:16:28,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:16:28,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:27" (1/1) ...
[2024-11-08 17:16:28,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38eef61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28, skipping insertion in model container
[2024-11-08 17:16:28,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:27" (1/1) ...
[2024-11-08 17:16:28,040 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:16:28,223 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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i[913,926]
[2024-11-08 17:16:28,291 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:28,307 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:16:28,321 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_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-68.i[913,926]
[2024-11-08 17:16:28,348 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:28,369 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:16:28,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28 WrapperNode
[2024-11-08 17:16:28,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:28,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:16:28,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:16:28,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:16:28,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,428 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113
[2024-11-08 17:16:28,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:16:28,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:16:28,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:16:28,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:16:28,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,531 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 17:16:28,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:16:28,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:16:28,586 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:16:28,586 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:16:28,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (1/1) ...
[2024-11-08 17:16:28,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:16:28,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:28,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:16:28,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:16:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:16:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 17:16:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:16:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:16:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:16:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:16:28,785 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:16:28,788 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:16:29,387 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-08 17:16:29,387 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:16:29,400 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:16:29,400 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:16:29,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:29 BoogieIcfgContainer
[2024-11-08 17:16:29,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:16:29,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:16:29,403 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:16:29,407 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:16:29,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:16:27" (1/3) ...
[2024-11-08 17:16:29,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d64ad1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:29, skipping insertion in model container
[2024-11-08 17:16:29,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:28" (2/3) ...
[2024-11-08 17:16:29,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d64ad1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:29, skipping insertion in model container
[2024-11-08 17:16:29,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:29" (3/3) ...
[2024-11-08 17:16:29,410 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-68.i
[2024-11-08 17:16:29,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:16:29,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:16:29,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:16:29,494 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;@704e54a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:16:29,495 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:16:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2024-11-08 17:16:29,514 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:29,515 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:29,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:29,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:29,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1904000526, now seen corresponding path program 1 times
[2024-11-08 17:16:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:29,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203571725]
[2024-11-08 17:16:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:29,545 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 17:16:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:16:29,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:29,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:29,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:29,841 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked.
[2024-11-08 17:16:29,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:29,893 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:29,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203571725]
[2024-11-08 17:16:29,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203571725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:29,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:29,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:16:29,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284940973]
[2024-11-08 17:16:29,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:29,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:16:29,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:29,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:16:29,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:16:29,930 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-08 17:16:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:29,957 INFO L93 Difference]: Finished difference Result 101 states and 174 transitions.
[2024-11-08 17:16:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:16:29,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104
[2024-11-08 17:16:29,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:29,967 INFO L225 Difference]: With dead ends: 101
[2024-11-08 17:16:29,967 INFO L226 Difference]: Without dead ends: 50
[2024-11-08 17:16:29,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 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 17:16:29,978 INFO L432 NwaCegarLoop]: 74 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, 74 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 17:16:29,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:16:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-08 17:16:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-11-08 17:16:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 74 transitions.
[2024-11-08 17:16:30,024 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 74 transitions. Word has length 104
[2024-11-08 17:16:30,025 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:30,025 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 74 transitions.
[2024-11-08 17:16:30,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-08 17:16:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions.
[2024-11-08 17:16:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-08 17:16:30,029 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:30,029 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:30,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:30,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:30,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:30,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:30,231 INFO L85 PathProgramCache]: Analyzing trace with hash 767433929, now seen corresponding path program 1 times
[2024-11-08 17:16:30,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:30,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124005298]
[2024-11-08 17:16:30,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:30,233 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 17:16:30,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:16:30,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:30,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:30,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:30,459 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 253 proven. 24 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked.
[2024-11-08 17:16:30,807 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:16:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-08 17:16:31,131 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:31,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124005298]
[2024-11-08 17:16:31,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124005298] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:16:31,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:16:31,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2024-11-08 17:16:31,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015536396]
[2024-11-08 17:16:31,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:16:31,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-08 17:16:31,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:31,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-08 17:16:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-08 17:16:31,136 INFO L87 Difference]: Start difference. First operand 50 states and 74 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2024-11-08 17:16:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:31,891 INFO L93 Difference]: Finished difference Result 105 states and 152 transitions.
[2024-11-08 17:16:31,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 17:16:31,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 105
[2024-11-08 17:16:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:31,902 INFO L225 Difference]: With dead ends: 105
[2024-11-08 17:16:31,902 INFO L226 Difference]: Without dead ends: 58
[2024-11-08 17:16:31,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240
[2024-11-08 17:16:31,904 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 140 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:31,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 109 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 17:16:31,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-08 17:16:31,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54.
[2024-11-08 17:16:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-08 17:16:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions.
[2024-11-08 17:16:31,937 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 105
[2024-11-08 17:16:31,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:31,940 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions.
[2024-11-08 17:16:31,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2024-11-08 17:16:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions.
[2024-11-08 17:16:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-08 17:16:31,944 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:31,945 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:31,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:32,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:32,146 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:16:32,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1095713981, now seen corresponding path program 1 times
[2024-11-08 17:16:32,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:32,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974974800]
[2024-11-08 17:16:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:32,149 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 17:16:32,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:16:32,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:32,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e820dc-1872-4cd5-90e2-5b3edd04e0dc/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 17:16:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:32,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:32,393 INFO L278 TraceCheckSpWp]: Computing forward predicates...