./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c --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_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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_5152c49f-051c-48c4-b8b7-13c471375bec/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 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:08:52,765 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:08:52,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 17:08:52,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:08:52,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:08:52,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:08:52,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:08:52,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:08:52,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:08:52,917 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:08:52,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:08:52,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:08:52,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:08:52,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:08:52,924 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:08:52,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:08:52,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:08:52,942 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:08:52,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:08:52,943 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:08:52,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:08:52,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:08:52,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:08:52,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:08:52,944 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:08:52,945 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:08:52,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:08:52,945 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:08:52,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:08:52,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:08:52,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:08:52,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:08:52,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:08:52,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:08:52,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:08:52,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:08:52,950 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:08:52,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:08:52,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:08:52,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:08:52,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:08:52,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:08:52,952 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_5152c49f-051c-48c4-b8b7-13c471375bec/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
[2024-11-08 17:08:53,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:08:53,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:08:53,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:08:53,265 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:08:53,265 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:08:53,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c
Unable to find full path for "g++"
[2024-11-08 17:08:55,351 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:08:55,520 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:08:55,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/sv-benchmarks/c/float-newlib/float_req_bl_1230.c
[2024-11-08 17:08:55,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data/3b80efe5e/f2c9d43c55c94e5da0900c253b2f3343/FLAGca5260c7a
[2024-11-08 17:08:55,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data/3b80efe5e/f2c9d43c55c94e5da0900c253b2f3343
[2024-11-08 17:08:55,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:08:55,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:08:55,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:08:55,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:08:55,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:08:55,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454bac6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55, skipping insertion in model container
[2024-11-08 17:08:55,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,581 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:08:55,789 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_5152c49f-051c-48c4-b8b7-13c471375bec/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424]
[2024-11-08 17:08:55,794 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:08:55,803 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:08:55,828 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_5152c49f-051c-48c4-b8b7-13c471375bec/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424]
[2024-11-08 17:08:55,829 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:08:55,848 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:08:55,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55 WrapperNode
[2024-11-08 17:08:55,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:08:55,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:08:55,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:08:55,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:08:55,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,883 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45
[2024-11-08 17:08:55,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:08:55,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:08:55,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:08:55,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:08:55,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,908 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-08 17:08:55,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:08:55,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:08:55,924 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:08:55,925 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:08:55,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (1/1) ...
[2024-11-08 17:08:55,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:08:55,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:08:55,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:08:55,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:08:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:08:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:08:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 17:08:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:08:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float
[2024-11-08 17:08:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float
[2024-11-08 17:08:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0
[2024-11-08 17:08:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1
[2024-11-08 17:08:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:08:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:08:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 17:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 17:08:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:08:56,104 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:08:56,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:08:56,304 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-08 17:08:56,305 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:08:56,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:08:56,317 INFO L316 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-08 17:08:56,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:56 BoogieIcfgContainer
[2024-11-08 17:08:56,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:08:56,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:08:56,321 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:08:56,325 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:08:56,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:08:55" (1/3) ...
[2024-11-08 17:08:56,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ceb219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:08:56, skipping insertion in model container
[2024-11-08 17:08:56,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:55" (2/3) ...
[2024-11-08 17:08:56,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ceb219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:08:56, skipping insertion in model container
[2024-11-08 17:08:56,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:56" (3/3) ...
[2024-11-08 17:08:56,328 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1230.c
[2024-11-08 17:08:56,347 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:08:56,348 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:08:56,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:08:56,418 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;@53112ed6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:08:56,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:08:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 17:08:56,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-08 17:08:56,431 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:08:56,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:56,432 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:56,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:56,438 INFO L85 PathProgramCache]: Analyzing trace with hash -822052462, now seen corresponding path program 1 times
[2024-11-08 17:08:56,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:56,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566560545]
[2024-11-08 17:08:56,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:56,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:56,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:08:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:56,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:08:56,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:08:56,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566560545]
[2024-11-08 17:08:56,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566560545] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:08:56,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:08:56,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:08:56,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329050371]
[2024-11-08 17:08:56,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:08:56,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:08:56,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:08:56,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:08:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:08:56,751 INFO L87 Difference]: Start difference. First operand has 25 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:56,788 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions.
[2024-11-08 17:08:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:08:56,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2024-11-08 17:08:56,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:56,802 INFO L225 Difference]: With dead ends: 47
[2024-11-08 17:08:56,803 INFO L226 Difference]: Without dead ends: 22
[2024-11-08 17:08:56,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:08:56,810 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:08:56,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:08:56,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-11-08 17:08:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-11-08 17:08:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 17:08:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions.
[2024-11-08 17:08:56,856 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 14
[2024-11-08 17:08:56,857 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:56,858 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions.
[2024-11-08 17:08:56,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions.
[2024-11-08 17:08:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-08 17:08:56,862 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:08:56,862 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:56,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:08:56,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:56,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:56,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1145522804, now seen corresponding path program 1 times
[2024-11-08 17:08:56,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:56,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116096494]
[2024-11-08 17:08:56,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:56,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:08:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:08:57,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:08:57,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116096494]
[2024-11-08 17:08:57,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116096494] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:08:57,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:08:57,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:08:57,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198627201]
[2024-11-08 17:08:57,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:08:57,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:08:57,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:08:57,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:08:57,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:57,264 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:57,341 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions.
[2024-11-08 17:08:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:08:57,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2024-11-08 17:08:57,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:57,345 INFO L225 Difference]: With dead ends: 31
[2024-11-08 17:08:57,346 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 17:08:57,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:57,350 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:08:57,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 88 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:08:57,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 17:08:57,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-08 17:08:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:08:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions.
[2024-11-08 17:08:57,365 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 15
[2024-11-08 17:08:57,365 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:57,365 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions.
[2024-11-08 17:08:57,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions.
[2024-11-08 17:08:57,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-08 17:08:57,366 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:08:57,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:57,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:08:57,367 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:57,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:57,372 INFO L85 PathProgramCache]: Analyzing trace with hash -691966380, now seen corresponding path program 1 times
[2024-11-08 17:08:57,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:57,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256673969]
[2024-11-08 17:08:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:57,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:08:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:08:57,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:08:57,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256673969]
[2024-11-08 17:08:57,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256673969] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:08:57,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:08:57,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:08:57,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730855178]
[2024-11-08 17:08:57,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:08:57,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:08:57,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:08:57,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:08:57,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:57,600 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:57,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:57,657 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions.
[2024-11-08 17:08:57,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:08:57,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2024-11-08 17:08:57,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:57,659 INFO L225 Difference]: With dead ends: 35
[2024-11-08 17:08:57,659 INFO L226 Difference]: Without dead ends: 30
[2024-11-08 17:08:57,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:57,661 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:08:57,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:08:57,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-08 17:08:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26.
[2024-11-08 17:08:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:08:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions.
[2024-11-08 17:08:57,668 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 16
[2024-11-08 17:08:57,668 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:57,669 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions.
[2024-11-08 17:08:57,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:57,669 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions.
[2024-11-08 17:08:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-08 17:08:57,670 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:08:57,670 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:57,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:08:57,671 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:57,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:57,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1843497616, now seen corresponding path program 1 times
[2024-11-08 17:08:57,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:57,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908086251]
[2024-11-08 17:08:57,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:57,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:57,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:08:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:08:57,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:08:57,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908086251]
[2024-11-08 17:08:57,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908086251] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:08:57,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:08:57,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:08:57,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940357785]
[2024-11-08 17:08:57,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:08:57,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:08:57,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:08:57,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:08:57,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:57,867 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:57,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:57,920 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions.
[2024-11-08 17:08:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:08:57,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2024-11-08 17:08:57,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:57,926 INFO L225 Difference]: With dead ends: 35
[2024-11-08 17:08:57,927 INFO L226 Difference]: Without dead ends: 30
[2024-11-08 17:08:57,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:57,928 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:08:57,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:08:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-08 17:08:57,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26.
[2024-11-08 17:08:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:08:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions.
[2024-11-08 17:08:57,943 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 17
[2024-11-08 17:08:57,947 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:57,947 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions.
[2024-11-08 17:08:57,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions.
[2024-11-08 17:08:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-08 17:08:57,948 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:08:57,949 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:57,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 17:08:57,949 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:57,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:57,950 INFO L85 PathProgramCache]: Analyzing trace with hash 198619608, now seen corresponding path program 1 times
[2024-11-08 17:08:57,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:57,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181591629]
[2024-11-08 17:08:57,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:57,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:58,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 17:08:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:08:58,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:08:58,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181591629]
[2024-11-08 17:08:58,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181591629] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:08:58,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:08:58,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:08:58,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159048445]
[2024-11-08 17:08:58,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:08:58,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:08:58,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:08:58,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:08:58,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:58,094 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:58,128 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions.
[2024-11-08 17:08:58,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:08:58,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2024-11-08 17:08:58,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:58,130 INFO L225 Difference]: With dead ends: 35
[2024-11-08 17:08:58,130 INFO L226 Difference]: Without dead ends: 30
[2024-11-08 17:08:58,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:08:58,131 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:08:58,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:08:58,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-08 17:08:58,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26.
[2024-11-08 17:08:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:08:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions.
[2024-11-08 17:08:58,137 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 18
[2024-11-08 17:08:58,137 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:58,138 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions.
[2024-11-08 17:08:58,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:08:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions.
[2024-11-08 17:08:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-08 17:08:58,139 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:08:58,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:58,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 17:08:58,139 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:58,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:58,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1608834855, now seen corresponding path program 1 times
[2024-11-08 17:08:58,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:58,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907375255]
[2024-11-08 17:08:58,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:58,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:08:58,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:08:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:08:58,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 17:08:58,205 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:08:58,207 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 17:08:58,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 17:08:58,212 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:58,236 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:08:58,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:08:58 BoogieIcfgContainer
[2024-11-08 17:08:58,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:08:58,246 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:08:58,246 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:08:58,246 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:08:58,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:56" (3/4) ...
[2024-11-08 17:08:58,250 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:08:58,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:08:58,253 INFO L158 Benchmark]: Toolchain (without parser) took 2704.96ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 125.4MB in the beginning and 125.0MB in the end (delta: 446.0kB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB.
[2024-11-08 17:08:58,253 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:08:58,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.70ms. Allocated memory is still 165.7MB. Free memory was 125.4MB in the beginning and 112.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 17:08:58,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.71ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 110.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:08:58,254 INFO L158 Benchmark]: Boogie Preprocessor took 39.67ms. Allocated memory is still 165.7MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:08:58,254 INFO L158 Benchmark]: RCFGBuilder took 393.86ms. Allocated memory is still 165.7MB. Free memory was 108.7MB in the beginning and 96.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 17:08:58,255 INFO L158 Benchmark]: TraceAbstraction took 1922.47ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 95.1MB in the beginning and 125.0MB in the end (delta: -29.9MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB.
[2024-11-08 17:08:58,255 INFO L158 Benchmark]: Witness Printer took 5.52ms. Allocated memory is still 216.0MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:08:58,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 300.70ms. Allocated memory is still 165.7MB. Free memory was 125.4MB in the beginning and 112.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.71ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 110.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.67ms. Allocated memory is still 165.7MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 393.86ms. Allocated memory is still 165.7MB. Free memory was 108.7MB in the beginning and 96.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 1922.47ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 95.1MB in the beginning and 125.0MB in the end (delta: -29.9MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB.
* Witness Printer took 5.52ms. Allocated memory is still 216.0MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 61]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 56.
Possible FailurePath:
[L56] float x = 0.0f / 0.0f;
[L57] float y = 0.0f / 0.0f;
[L58] CALL, EXPR fmin_float(x, y)
[L37] CALL, EXPR __fpclassify_float(x)
VAL [\old(x)=4286578699]
[L14] __uint32_t w;
VAL [\old(x)=4286578699, x=4286578699]
[L17] ieee_float_shape_type gf_u;
[L18] gf_u.value = (x)
[L19] EXPR gf_u.word
[L19] (w) = gf_u.word
[L22] COND FALSE !(w == 0x00000000 || w == 0x80000000)
VAL [\old(x)=4286578699, w=4286578689, x=4286578699]
[L24-L25] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) ||
(w >= 0x80800000 && w <= 0xff7fffff))
VAL [\old(x)=4286578699, w=4286578689, x=4286578699]
[L27-L28] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) ||
(w >= 0x80000001 && w <= 0x807fffff))
VAL [\old(x)=4286578699, w=4286578689, x=4286578699]
[L30] COND FALSE !(w == 0x7f800000 || w == 0xff800000)
[L33] return 0;
VAL [\old(x)=4286578699, \result=0, x=4286578699]
[L37] RET, EXPR __fpclassify_float(x)
VAL [x=4286578699, y=4286578698]
[L37] COND TRUE __fpclassify_float(x) == 0
[L38] return y;
VAL [\result=4286578698, x=4286578699]
[L58] RET, EXPR fmin_float(x, y)
[L58] float res = fmin_float(x, y);
[L60] CALL, EXPR isnan_float(res)
[L46] return x != x;
VAL [\result=0]
[L60] RET, EXPR isnan_float(res)
[L60] COND TRUE !isnan_float(res)
[L61] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 456 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 311 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 145 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=2, InterpolantAutomatonStates: 23, 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, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 17:08:58,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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_5152c49f-051c-48c4-b8b7-13c471375bec/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 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:09:00,625 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:09:00,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-08 17:09:00,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:09:00,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:09:00,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:09:00,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:09:00,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:09:00,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:09:00,789 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:09:00,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:09:00,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:09:00,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:09:00,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:09:00,793 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:09:00,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:09:00,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:09:00,795 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:09:00,795 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:09:00,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:09:00,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:09:00,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:09:00,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:09:00,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:09:00,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:09:00,801 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:09:00,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:09:00,805 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:09:00,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:09:00,806 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:09:00,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:09:00,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:09:00,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:09:00,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:09:00,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:09:00,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:09:00,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:09:00,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:09:00,809 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:09:00,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:09:00,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:09:00,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:09:00,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:09:00,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:09:00,811 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_5152c49f-051c-48c4-b8b7-13c471375bec/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
[2024-11-08 17:09:01,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:09:01,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:09:01,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:09:01,236 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:09:01,236 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:09:01,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c
Unable to find full path for "g++"
[2024-11-08 17:09:03,269 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:09:03,522 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:09:03,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/sv-benchmarks/c/float-newlib/float_req_bl_1230.c
[2024-11-08 17:09:03,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data/54615f812/f656871708904c3da88b83f26c8bd3a9/FLAG219132391
[2024-11-08 17:09:03,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/data/54615f812/f656871708904c3da88b83f26c8bd3a9
[2024-11-08 17:09:03,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:09:03,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:09:03,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:09:03,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:09:03,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:09:03,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:09:03" (1/1) ...
[2024-11-08 17:09:03,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d1c03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:03, skipping insertion in model container
[2024-11-08 17:09:03,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:09:03" (1/1) ...
[2024-11-08 17:09:03,906 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:09:04,104 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_5152c49f-051c-48c4-b8b7-13c471375bec/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424]
[2024-11-08 17:09:04,108 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:09:04,122 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:09:04,180 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_5152c49f-051c-48c4-b8b7-13c471375bec/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424]
[2024-11-08 17:09:04,184 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:09:04,214 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:09:04,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04 WrapperNode
[2024-11-08 17:09:04,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:09:04,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:09:04,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:09:04,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:09:04,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,250 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43
[2024-11-08 17:09:04,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:09:04,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:09:04,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:09:04,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:09:04,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,282 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-08 17:09:04,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:09:04,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:09:04,307 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:09:04,307 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:09:04,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (1/1) ...
[2024-11-08 17:09:04,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:09:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:09:04,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:09:04,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:09:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:09:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 17:09:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-08 17:09:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:09:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float
[2024-11-08 17:09:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float
[2024-11-08 17:09:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-08 17:09:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-08 17:09:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:09:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:09:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-08 17:09:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-08 17:09:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:09:04,481 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:09:04,483 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:09:04,677 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-08 17:09:04,678 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:09:04,690 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:09:04,691 INFO L316 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-08 17:09:04,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:04 BoogieIcfgContainer
[2024-11-08 17:09:04,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:09:04,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:09:04,695 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:09:04,698 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:09:04,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:09:03" (1/3) ...
[2024-11-08 17:09:04,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cbca84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:04, skipping insertion in model container
[2024-11-08 17:09:04,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:04" (2/3) ...
[2024-11-08 17:09:04,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cbca84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:04, skipping insertion in model container
[2024-11-08 17:09:04,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:04" (3/3) ...
[2024-11-08 17:09:04,701 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1230.c
[2024-11-08 17:09:04,721 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:09:04,721 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:09:04,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:09:04,803 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;@23ae2f42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:09:04,803 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:09:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 17:09:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-08 17:09:04,814 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:04,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:04,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:04,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:04,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1896870275, now seen corresponding path program 1 times
[2024-11-08 17:09:04,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:04,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064864966]
[2024-11-08 17:09:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:04,836 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 17:09:04,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:04,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:04,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:04,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:04,981 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:05,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:05,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:05,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:05,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064864966]
[2024-11-08 17:09:05,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064864966] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:05,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:05,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:09:05,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983969871]
[2024-11-08 17:09:05,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:05,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:09:05,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:05,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:09:05,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:09:05,038 INFO L87 Difference]: Start difference. First operand has 23 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:05,062 INFO L93 Difference]: Finished difference Result 43 states and 62 transitions.
[2024-11-08 17:09:05,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:09:05,065 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-11-08 17:09:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:05,073 INFO L225 Difference]: With dead ends: 43
[2024-11-08 17:09:05,073 INFO L226 Difference]: Without dead ends: 20
[2024-11-08 17:09:05,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 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 17:09:05,084 INFO L432 NwaCegarLoop]: 29 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, 29 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 17:09:05,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:05,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-11-08 17:09:05,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-11-08 17:09:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 17:09:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions.
[2024-11-08 17:09:05,127 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 13
[2024-11-08 17:09:05,129 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:05,129 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions.
[2024-11-08 17:09:05,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions.
[2024-11-08 17:09:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-08 17:09:05,133 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:05,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:05,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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)] Ended with exit code 0
[2024-11-08 17:09:05,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:05,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:05,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:05,338 INFO L85 PathProgramCache]: Analyzing trace with hash -918544251, now seen corresponding path program 1 times
[2024-11-08 17:09:05,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:05,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715220696]
[2024-11-08 17:09:05,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:05,340 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 17:09:05,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:05,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:05,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:05,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:05,420 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:05,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:05,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:05,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715220696]
[2024-11-08 17:09:05,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715220696] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:05,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:05,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:05,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551806615]
[2024-11-08 17:09:05,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:05,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:05,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:05,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:05,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:05,500 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:05,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:05,539 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions.
[2024-11-08 17:09:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:05,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2024-11-08 17:09:05,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:05,542 INFO L225 Difference]: With dead ends: 28
[2024-11-08 17:09:05,542 INFO L226 Difference]: Without dead ends: 23
[2024-11-08 17:09:05,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:05,544 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:05,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:05,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-11-08 17:09:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-11-08 17:09:05,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:09:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-11-08 17:09:05,557 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 14
[2024-11-08 17:09:05,557 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:05,557 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-11-08 17:09:05,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-11-08 17:09:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-08 17:09:05,559 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:05,559 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:05,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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)] Ended with exit code 0
[2024-11-08 17:09:05,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:05,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:05,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:05,764 INFO L85 PathProgramCache]: Analyzing trace with hash -732749381, now seen corresponding path program 1 times
[2024-11-08 17:09:05,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:05,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049639364]
[2024-11-08 17:09:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:05,765 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 17:09:05,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:05,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:05,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:05,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:05,859 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:05,884 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:05,885 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:05,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049639364]
[2024-11-08 17:09:05,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049639364] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:05,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:05,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:05,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597777347]
[2024-11-08 17:09:05,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:05,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:05,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:05,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:05,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:05,888 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:05,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:05,919 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions.
[2024-11-08 17:09:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:05,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2024-11-08 17:09:05,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:05,921 INFO L225 Difference]: With dead ends: 31
[2024-11-08 17:09:05,921 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 17:09:05,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:05,923 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:05,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:05,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 17:09:05,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2024-11-08 17:09:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:09:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-11-08 17:09:05,937 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 15
[2024-11-08 17:09:05,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:05,938 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-11-08 17:09:05,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-11-08 17:09:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-08 17:09:05,939 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:05,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:05,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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)] Ended with exit code 0
[2024-11-08 17:09:06,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:06,140 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:06,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:06,140 INFO L85 PathProgramCache]: Analyzing trace with hash -886768959, now seen corresponding path program 1 times
[2024-11-08 17:09:06,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:06,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777507126]
[2024-11-08 17:09:06,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:06,141 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 17:09:06,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:06,145 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:06,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-08 17:09:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:06,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:06,226 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:06,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:06,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:06,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777507126]
[2024-11-08 17:09:06,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777507126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:06,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:06,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:06,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302187400]
[2024-11-08 17:09:06,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:06,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:06,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:06,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:06,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:06,272 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:06,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:06,324 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions.
[2024-11-08 17:09:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:06,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2024-11-08 17:09:06,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:06,326 INFO L225 Difference]: With dead ends: 31
[2024-11-08 17:09:06,326 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 17:09:06,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:06,330 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:06,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:06,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 17:09:06,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2024-11-08 17:09:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:09:06,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-11-08 17:09:06,341 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 16
[2024-11-08 17:09:06,343 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:06,343 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-11-08 17:09:06,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-11-08 17:09:06,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-08 17:09:06,345 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:06,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:06,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-08 17:09:06,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:06,549 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:06,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:06,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1309865463, now seen corresponding path program 1 times
[2024-11-08 17:09:06,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:06,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290492123]
[2024-11-08 17:09:06,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:06,550 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 17:09:06,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:06,551 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:06,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-08 17:09:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:06,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:06,624 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:06,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:06,657 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:06,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290492123]
[2024-11-08 17:09:06,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290492123] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:06,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:06,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:06,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652380106]
[2024-11-08 17:09:06,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:06,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:06,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:06,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:06,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:06,662 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:06,709 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions.
[2024-11-08 17:09:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:06,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2024-11-08 17:09:06,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:06,712 INFO L225 Difference]: With dead ends: 31
[2024-11-08 17:09:06,712 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 17:09:06,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:06,713 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:06,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:06,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 17:09:06,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2024-11-08 17:09:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:09:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-11-08 17:09:06,725 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 17
[2024-11-08 17:09:06,725 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:06,725 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-11-08 17:09:06,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-11-08 17:09:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-08 17:09:06,728 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:06,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:06,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-11-08 17:09:06,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:06,930 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:06,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:06,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1242291498, now seen corresponding path program 1 times
[2024-11-08 17:09:06,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:06,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461967464]
[2024-11-08 17:09:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:06,931 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 17:09:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:06,932 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:06,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-11-08 17:09:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:07,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:07,017 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:07,171 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:07,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:07,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461967464]
[2024-11-08 17:09:07,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461967464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:07,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:07,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 17:09:07,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685490646]
[2024-11-08 17:09:07,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:07,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:09:07,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:07,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:09:07,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:09:07,173 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:07,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:07,257 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions.
[2024-11-08 17:09:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 17:09:07,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2024-11-08 17:09:07,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:07,259 INFO L225 Difference]: With dead ends: 28
[2024-11-08 17:09:07,259 INFO L226 Difference]: Without dead ends: 23
[2024-11-08 17:09:07,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:09:07,260 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:07,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 103 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:09:07,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-11-08 17:09:07,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20.
[2024-11-08 17:09:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 17:09:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2024-11-08 17:09:07,266 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 17
[2024-11-08 17:09:07,266 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:07,266 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2024-11-08 17:09:07,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 17:09:07,278 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2024-11-08 17:09:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-08 17:09:07,278 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:07,278 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:07,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0
[2024-11-08 17:09:07,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:07,480 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:07,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:07,482 INFO L85 PathProgramCache]: Analyzing trace with hash -434286168, now seen corresponding path program 1 times
[2024-11-08 17:09:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539656350]
[2024-11-08 17:09:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:07,483 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 17:09:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:07,485 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:07,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (8)] Waiting until timeout for monitored process
[2024-11-08 17:09:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:07,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:07,624 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:09:07,659 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:07,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:07,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539656350]
[2024-11-08 17:09:07,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539656350] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:07,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:07,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:07,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583398565]
[2024-11-08 17:09:07,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:07,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:07,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:07,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:07,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:07,661 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:07,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:07,690 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions.
[2024-11-08 17:09:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:07,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22
[2024-11-08 17:09:07,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:07,692 INFO L225 Difference]: With dead ends: 28
[2024-11-08 17:09:07,692 INFO L226 Difference]: Without dead ends: 22
[2024-11-08 17:09:07,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:07,694 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:07,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:07,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-11-08 17:09:07,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-11-08 17:09:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-08 17:09:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-11-08 17:09:07,705 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 22
[2024-11-08 17:09:07,705 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:07,705 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-11-08 17:09:07,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-11-08 17:09:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-08 17:09:07,708 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:07,708 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:07,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (8)] Forceful destruction successful, exit code 0
[2024-11-08 17:09:07,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:07,912 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:07,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:07,912 INFO L85 PathProgramCache]: Analyzing trace with hash -489633536, now seen corresponding path program 1 times
[2024-11-08 17:09:07,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:07,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861998907]
[2024-11-08 17:09:07,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:07,913 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 17:09:07,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:07,916 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:07,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (9)] Waiting until timeout for monitored process
[2024-11-08 17:09:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:08,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:08,008 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:09:08,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:08,043 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:08,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861998907]
[2024-11-08 17:09:08,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861998907] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:08,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:08,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:08,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142065261]
[2024-11-08 17:09:08,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:08,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:08,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:08,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:08,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:08,045 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:08,078 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-11-08 17:09:08,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:08,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23
[2024-11-08 17:09:08,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:08,080 INFO L225 Difference]: With dead ends: 30
[2024-11-08 17:09:08,080 INFO L226 Difference]: Without dead ends: 24
[2024-11-08 17:09:08,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:08,081 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:08,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-08 17:09:08,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22.
[2024-11-08 17:09:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-08 17:09:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-11-08 17:09:08,086 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 23
[2024-11-08 17:09:08,086 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:08,086 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-11-08 17:09:08,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-11-08 17:09:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-11-08 17:09:08,088 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:08,088 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:08,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (9)] Ended with exit code 0
[2024-11-08 17:09:08,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:08,289 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:08,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:08,289 INFO L85 PathProgramCache]: Analyzing trace with hash 470872100, now seen corresponding path program 1 times
[2024-11-08 17:09:08,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:08,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168743955]
[2024-11-08 17:09:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:08,290 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 17:09:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:08,293 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:08,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (10)] Waiting until timeout for monitored process
[2024-11-08 17:09:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:08,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:08,382 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:09:08,401 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:08,402 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:08,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168743955]
[2024-11-08 17:09:08,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168743955] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:08,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:08,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:08,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004479770]
[2024-11-08 17:09:08,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:08,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:08,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:08,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:08,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:08,404 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:08,424 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-11-08 17:09:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:08,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24
[2024-11-08 17:09:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:08,425 INFO L225 Difference]: With dead ends: 30
[2024-11-08 17:09:08,425 INFO L226 Difference]: Without dead ends: 24
[2024-11-08 17:09:08,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:08,426 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:08,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:08,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-08 17:09:08,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22.
[2024-11-08 17:09:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-08 17:09:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-11-08 17:09:08,431 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 24
[2024-11-08 17:09:08,431 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:08,432 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-11-08 17:09:08,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-11-08 17:09:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-08 17:09:08,433 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:08,433 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:08,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (10)] Ended with exit code 0
[2024-11-08 17:09:08,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:08,633 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:08,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1436917508, now seen corresponding path program 1 times
[2024-11-08 17:09:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:08,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131672964]
[2024-11-08 17:09:08,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:08,635 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 17:09:08,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:08,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:08,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (11)] Waiting until timeout for monitored process
[2024-11-08 17:09:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:08,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:08,725 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:09:08,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:08,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:08,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131672964]
[2024-11-08 17:09:08,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131672964] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:08,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:08,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:08,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391349064]
[2024-11-08 17:09:08,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:08,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:08,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:08,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:08,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:08,748 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:08,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:08,778 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-11-08 17:09:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:08,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-11-08 17:09:08,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:08,786 INFO L225 Difference]: With dead ends: 30
[2024-11-08 17:09:08,786 INFO L226 Difference]: Without dead ends: 24
[2024-11-08 17:09:08,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:08,787 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:08,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:08,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-08 17:09:08,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22.
[2024-11-08 17:09:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-08 17:09:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-11-08 17:09:08,795 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 25
[2024-11-08 17:09:08,795 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:08,795 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-11-08 17:09:08,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:08,796 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-11-08 17:09:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-08 17:09:08,796 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:08,797 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:08,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (11)] Ended with exit code 0
[2024-11-08 17:09:08,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:08,997 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:08,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash 305892827, now seen corresponding path program 1 times
[2024-11-08 17:09:08,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:08,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23566440]
[2024-11-08 17:09:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:08,999 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 17:09:08,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 17:09:09,002 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:09,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (12)] Waiting until timeout for monitored process
[2024-11-08 17:09:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:09,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:09,095 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-08 17:09:09,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:09,226 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:09,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23566440]
[2024-11-08 17:09:09,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23566440] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:09,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:09,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 17:09:09,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208382515]
[2024-11-08 17:09:09,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:09,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:09:09,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:09,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:09:09,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:09:09,229 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:09,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:09,300 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions.
[2024-11-08 17:09:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 17:09:09,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-11-08 17:09:09,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:09,301 INFO L225 Difference]: With dead ends: 22
[2024-11-08 17:09:09,301 INFO L226 Difference]: Without dead ends: 0
[2024-11-08 17:09:09,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:09:09,302 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:09,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:09:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 17:09:09,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 17:09:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:09:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 17:09:09,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25
[2024-11-08 17:09:09,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:09,304 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 17:09:09,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:09:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 17:09:09,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 17:09:09,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 17:09:09,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 (12)] Ended with exit code 0
[2024-11-08 17:09:09,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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 17:09:09,513 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:09,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 17:09:09,580 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:09:09,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:09:09 BoogieIcfgContainer
[2024-11-08 17:09:09,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:09:09,596 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:09:09,596 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:09:09,597 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:09:09,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:04" (3/4) ...
[2024-11-08 17:09:09,601 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 17:09:09,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float
[2024-11-08 17:09:09,612 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-11-08 17:09:09,613 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-08 17:09:09,614 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 17:09:09,614 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 17:09:09,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 17:09:09,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 17:09:09,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:09:09,712 INFO L158 Benchmark]: Toolchain (without parser) took 5848.86ms. Allocated memory was 69.2MB in the beginning and 117.4MB in the end (delta: 48.2MB). Free memory was 45.4MB in the beginning and 72.5MB in the end (delta: -27.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB.
[2024-11-08 17:09:09,713 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:09:09,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.12ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 74.4MB in the end (delta: -29.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 17:09:09,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.73ms. Allocated memory is still 96.5MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:09:09,715 INFO L158 Benchmark]: Boogie Preprocessor took 54.59ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:09:09,715 INFO L158 Benchmark]: RCFGBuilder took 385.06ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 57.6MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 17:09:09,716 INFO L158 Benchmark]: TraceAbstraction took 4901.34ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 56.9MB in the beginning and 77.7MB in the end (delta: -20.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB.
[2024-11-08 17:09:09,716 INFO L158 Benchmark]: Witness Printer took 115.49ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 72.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:09:09,718 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.37ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 350.12ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 74.4MB in the end (delta: -29.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.73ms. Allocated memory is still 96.5MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.59ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 385.06ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 57.6MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 4901.34ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 56.9MB in the beginning and 77.7MB in the end (delta: -20.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB.
* Witness Printer took 115.49ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 72.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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
- PositiveResult [Line: 61]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 787 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 502 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 285 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 46, 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, 11 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 200 ConstructedInterpolants, 8 QuantifiedInterpolants, 304 SizeOfPredicates, 2 NumberOfNonLiveVariables, 739 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 30/30 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 17:09:09,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5152c49f-051c-48c4-b8b7-13c471375bec/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
Writing output log to file Ultimate.log
Result:
TRUE