./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/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_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/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_38828fc1-f226-421c-82c8-ffcacf7e7c25/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 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:39:13,741 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:39:13,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 18:39:13,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:39:13,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:39:13,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:39:13,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:39:13,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:39:13,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:39:13,884 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:39:13,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:39:13,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:39:13,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:39:13,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:39:13,889 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:39:13,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:39:13,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:39:13,890 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 18:39:13,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:39:13,890 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 18:39:13,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:39:13,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:39:13,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:39:13,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:39:13,896 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:39:13,896 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 18:39:13,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:39:13,896 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:39:13,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:39:13,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:39:13,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:39:13,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:39:13,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:39:13,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:39:13,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:39:13,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:39:13,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:39:13,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:39:13,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:39:13,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:39:13,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:39:13,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:39:13,902 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_38828fc1-f226-421c-82c8-ffcacf7e7c25/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa
[2024-11-08 18:39:14,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:39:14,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:39:14,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:39:14,236 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:39:14,237 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:39:14,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c
Unable to find full path for "g++"
[2024-11-08 18:39:16,358 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:39:16,541 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:39:16,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c
[2024-11-08 18:39:16,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/data/47bf389ff/5d53a93f6cf94768b0a5a020c9b1df16/FLAG58b1b83d6
[2024-11-08 18:39:16,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/data/47bf389ff/5d53a93f6cf94768b0a5a020c9b1df16
[2024-11-08 18:39:16,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:39:16,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:39:16,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:39:16,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:39:16,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:39:16,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662b48ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16, skipping insertion in model container
[2024-11-08 18:39:16,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,603 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:39:16,793 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_38828fc1-f226-421c-82c8-ffcacf7e7c25/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c[573,586]
[2024-11-08 18:39:16,811 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:39:16,818 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:39:16,832 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_38828fc1-f226-421c-82c8-ffcacf7e7c25/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c[573,586]
[2024-11-08 18:39:16,837 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:39:16,856 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:39:16,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16 WrapperNode
[2024-11-08 18:39:16,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:39:16,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:39:16,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:39:16,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:39:16,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,897 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47
[2024-11-08 18:39:16,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:39:16,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:39:16,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:39:16,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:39:16,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,934 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 18:39:16,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:39:16,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:39:16,958 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:39:16,959 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:39:16,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (1/1) ...
[2024-11-08 18:39:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:39:16,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:16,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:39:17,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:39:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:39:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 18:39:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 18:39:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:39:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:39:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:39:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 18:39:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 18:39:17,123 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:39:17,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:39:17,293 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live.
[2024-11-08 18:39:17,293 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:39:17,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:39:17,316 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 18:39:17,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:39:17 BoogieIcfgContainer
[2024-11-08 18:39:17,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:39:17,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:39:17,323 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:39:17,325 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:39:17,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:39:16" (1/3) ...
[2024-11-08 18:39:17,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e11a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:39:17, skipping insertion in model container
[2024-11-08 18:39:17,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:39:16" (2/3) ...
[2024-11-08 18:39:17,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e11a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:39:17, skipping insertion in model container
[2024-11-08 18:39:17,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:39:17" (3/3) ...
[2024-11-08 18:39:17,329 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound20.c
[2024-11-08 18:39:17,343 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:39:17,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 18:39:17,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:39:17,412 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;@3f1bf3cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:39:17,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 18:39:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 18:39:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-08 18:39:17,424 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:17,425 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:17,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:17,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:17,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1928678447, now seen corresponding path program 1 times
[2024-11-08 18:39:17,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:17,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398396762]
[2024-11-08 18:39:17,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:17,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:17,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:39:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:39:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:17,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:17,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398396762]
[2024-11-08 18:39:17,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398396762] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:39:17,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:39:17,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:39:17,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910146990]
[2024-11-08 18:39:17,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:39:17,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 18:39:17,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:17,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 18:39:17,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 18:39:17,692 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 18:39:17,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:17,709 INFO L93 Difference]: Finished difference Result 47 states and 64 transitions.
[2024-11-08 18:39:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 18:39:17,712 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18
[2024-11-08 18:39:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:17,720 INFO L225 Difference]: With dead ends: 47
[2024-11-08 18:39:17,721 INFO L226 Difference]: Without dead ends: 21
[2024-11-08 18:39:17,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 18:39:17,727 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 18:39:17,729 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 18:39:17,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2024-11-08 18:39:17,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2024-11-08 18:39:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-08 18:39:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions.
[2024-11-08 18:39:17,782 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 18
[2024-11-08 18:39:17,783 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:17,783 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions.
[2024-11-08 18:39:17,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 18:39:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions.
[2024-11-08 18:39:17,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-08 18:39:17,786 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:17,787 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:17,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:39:17,788 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:17,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:17,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1693786994, now seen corresponding path program 1 times
[2024-11-08 18:39:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:17,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779371554]
[2024-11-08 18:39:17,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:17,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:17,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:39:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:17,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:39:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:17,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:17,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779371554]
[2024-11-08 18:39:17,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779371554] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:39:17,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:39:17,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:39:17,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611805867]
[2024-11-08 18:39:17,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:39:17,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:39:17,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:17,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:39:17,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:39:17,990 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:39:18,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:18,015 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-11-08 18:39:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:39:18,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19
[2024-11-08 18:39:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:18,017 INFO L225 Difference]: With dead ends: 30
[2024-11-08 18:39:18,017 INFO L226 Difference]: Without dead ends: 23
[2024-11-08 18:39:18,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 18:39:18,020 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 5 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:18,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 57 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:39:18,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-11-08 18:39:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-11-08 18:39:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-08 18:39:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2024-11-08 18:39:18,028 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 19
[2024-11-08 18:39:18,029 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:18,030 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2024-11-08 18:39:18,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:39:18,030 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2024-11-08 18:39:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-08 18:39:18,031 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:18,031 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:18,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:39:18,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:18,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:18,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1695574454, now seen corresponding path program 1 times
[2024-11-08 18:39:18,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:18,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27382600]
[2024-11-08 18:39:18,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:18,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 18:39:18,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312066245]
[2024-11-08 18:39:18,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:18,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:18,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:39:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:18,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 18:39:18,157 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:39:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:18,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:39:18,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:18,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27382600]
[2024-11-08 18:39:18,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 18:39:18,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312066245]
[2024-11-08 18:39:18,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312066245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:39:18,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:39:18,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:39:18,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204853060]
[2024-11-08 18:39:18,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:39:18,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:39:18,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:18,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:39:18,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:39:18,296 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:39:18,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:18,379 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions.
[2024-11-08 18:39:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 18:39:18,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19
[2024-11-08 18:39:18,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:18,382 INFO L225 Difference]: With dead ends: 32
[2024-11-08 18:39:18,383 INFO L226 Difference]: Without dead ends: 30
[2024-11-08 18:39:18,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:39:18,387 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:18,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 69 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:39:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-08 18:39:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28.
[2024-11-08 18:39:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 18:39:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions.
[2024-11-08 18:39:18,403 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 19
[2024-11-08 18:39:18,403 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:18,403 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions.
[2024-11-08 18:39:18,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:39:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions.
[2024-11-08 18:39:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-08 18:39:18,405 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:18,405 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 18:39:18,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 18:39:18,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:18,610 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:18,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:18,611 INFO L85 PathProgramCache]: Analyzing trace with hash -659008770, now seen corresponding path program 1 times
[2024-11-08 18:39:18,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:18,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474731579]
[2024-11-08 18:39:18,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:18,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:39:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:39:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-08 18:39:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:19,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:19,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474731579]
[2024-11-08 18:39:19,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474731579] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:39:19,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559186153]
[2024-11-08 18:39:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:19,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:19,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:19,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 18:39:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 18:39:19,183 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:39:19,358 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 18:39:19,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:39:19,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559186153] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:39:19,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:39:19,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11
[2024-11-08 18:39:19,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55323588]
[2024-11-08 18:39:19,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:39:19,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:39:19,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:19,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:39:19,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110
[2024-11-08 18:39:19,365 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-08 18:39:19,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:19,439 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions.
[2024-11-08 18:39:19,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:39:19,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25
[2024-11-08 18:39:19,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:19,441 INFO L225 Difference]: With dead ends: 37
[2024-11-08 18:39:19,441 INFO L226 Difference]: Without dead ends: 30
[2024-11-08 18:39:19,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132
[2024-11-08 18:39:19,442 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:19,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 86 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:39:19,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-08 18:39:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29.
[2024-11-08 18:39:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 18:39:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions.
[2024-11-08 18:39:19,455 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 25
[2024-11-08 18:39:19,456 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:19,456 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions.
[2024-11-08 18:39:19,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-08 18:39:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions.
[2024-11-08 18:39:19,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-08 18:39:19,459 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:19,459 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:19,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 18:39:19,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:19,660 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:19,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash -526392068, now seen corresponding path program 1 times
[2024-11-08 18:39:19,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:19,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317096216]
[2024-11-08 18:39:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:19,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:39:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:39:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-08 18:39:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:19,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:19,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317096216]
[2024-11-08 18:39:19,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317096216] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:39:19,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146539733]
[2024-11-08 18:39:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:19,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:19,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:19,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 18:39:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:19,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 18:39:19,931 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:39:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:20,001 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:39:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:20,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146539733] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:39:20,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:39:20,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 8
[2024-11-08 18:39:20,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407356987]
[2024-11-08 18:39:20,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:39:20,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 18:39:20,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:20,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 18:39:20,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:39:20,091 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9)
[2024-11-08 18:39:20,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:20,179 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions.
[2024-11-08 18:39:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 18:39:20,179 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 28
[2024-11-08 18:39:20,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:20,180 INFO L225 Difference]: With dead ends: 63
[2024-11-08 18:39:20,181 INFO L226 Difference]: Without dead ends: 56
[2024-11-08 18:39:20,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2024-11-08 18:39:20,182 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 30 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:20,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 82 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:39:20,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-08 18:39:20,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52.
[2024-11-08 18:39:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 40 states have internal predecessors, (48), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-08 18:39:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions.
[2024-11-08 18:39:20,195 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 28
[2024-11-08 18:39:20,198 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:20,198 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions.
[2024-11-08 18:39:20,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9)
[2024-11-08 18:39:20,199 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions.
[2024-11-08 18:39:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-08 18:39:20,200 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:20,200 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:20,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-08 18:39:20,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:20,401 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:20,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:20,401 INFO L85 PathProgramCache]: Analyzing trace with hash -524604608, now seen corresponding path program 1 times
[2024-11-08 18:39:20,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:20,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365896274]
[2024-11-08 18:39:20,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:20,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 18:39:20,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510581050]
[2024-11-08 18:39:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:20,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:20,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:20,419 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:20,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 18:39:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:20,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-08 18:39:20,487 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:39:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:20,665 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:39:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:20,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:20,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365896274]
[2024-11-08 18:39:20,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 18:39:20,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510581050]
[2024-11-08 18:39:20,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510581050] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:39:20,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 18:39:20,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-08 18:39:20,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988362538]
[2024-11-08 18:39:20,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:39:20,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 18:39:20,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:20,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 18:39:20,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:39:20,782 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 18:39:20,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:20,926 INFO L93 Difference]: Finished difference Result 107 states and 134 transitions.
[2024-11-08 18:39:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-08 18:39:20,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 28
[2024-11-08 18:39:20,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:20,928 INFO L225 Difference]: With dead ends: 107
[2024-11-08 18:39:20,928 INFO L226 Difference]: Without dead ends: 77
[2024-11-08 18:39:20,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-11-08 18:39:20,933 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:20,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 108 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:39:20,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-11-08 18:39:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 57.
[2024-11-08 18:39:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 18:39:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions.
[2024-11-08 18:39:20,960 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 28
[2024-11-08 18:39:20,960 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:20,961 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions.
[2024-11-08 18:39:20,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 18:39:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions.
[2024-11-08 18:39:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-08 18:39:20,962 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:20,962 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:20,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 18:39:21,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-08 18:39:21,174 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:21,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:21,174 INFO L85 PathProgramCache]: Analyzing trace with hash -2085993208, now seen corresponding path program 1 times
[2024-11-08 18:39:21,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:21,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88719283]
[2024-11-08 18:39:21,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:21,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:39:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:39:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:21,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-08 18:39:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:39:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-11-08 18:39:21,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:21,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88719283]
[2024-11-08 18:39:21,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88719283] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:39:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129183553]
[2024-11-08 18:39:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:21,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:21,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:21,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 18:39:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:21,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-11-08 18:39:21,511 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:39:21,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 18:39:21,730 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:39:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-11-08 18:39:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129183553] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:39:21,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:39:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 15
[2024-11-08 18:39:21,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074659876]
[2024-11-08 18:39:21,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:39:21,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-08 18:39:21,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:21,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-08 18:39:21,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210
[2024-11-08 18:39:21,855 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 11 states have internal predecessors, (33), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 18:39:22,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:22,026 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions.
[2024-11-08 18:39:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-08 18:39:22,027 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 11 states have internal predecessors, (33), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 34
[2024-11-08 18:39:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:22,029 INFO L225 Difference]: With dead ends: 66
[2024-11-08 18:39:22,029 INFO L226 Difference]: Without dead ends: 60
[2024-11-08 18:39:22,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272
[2024-11-08 18:39:22,031 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 8 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:22,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 189 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:39:22,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-08 18:39:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57.
[2024-11-08 18:39:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 43 states have internal predecessors, (48), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 18:39:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions.
[2024-11-08 18:39:22,044 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 34
[2024-11-08 18:39:22,045 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:22,045 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions.
[2024-11-08 18:39:22,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 11 states have internal predecessors, (33), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-08 18:39:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions.
[2024-11-08 18:39:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2024-11-08 18:39:22,046 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:22,046 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:22,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-08 18:39:22,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-08 18:39:22,251 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:22,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash -635631118, now seen corresponding path program 2 times
[2024-11-08 18:39:22,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:22,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818181580]
[2024-11-08 18:39:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:22,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:39:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:39:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-08 18:39:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:39:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 18:39:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:39:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 18:39:22,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:22,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818181580]
[2024-11-08 18:39:22,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818181580] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:39:22,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553153520]
[2024-11-08 18:39:22,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 18:39:22,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:22,495 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:22,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 18:39:22,561 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 18:39:22,561 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 18:39:22,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 18:39:22,564 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:39:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:22,665 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:39:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 18:39:22,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553153520] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:39:22,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:39:22,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14
[2024-11-08 18:39:22,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34102122]
[2024-11-08 18:39:22,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:39:22,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 18:39:22,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:22,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 18:39:22,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182
[2024-11-08 18:39:22,846 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 11 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18)
[2024-11-08 18:39:23,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:23,072 INFO L93 Difference]: Finished difference Result 116 states and 133 transitions.
[2024-11-08 18:39:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-08 18:39:23,072 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 11 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 55
[2024-11-08 18:39:23,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:23,074 INFO L225 Difference]: With dead ends: 116
[2024-11-08 18:39:23,074 INFO L226 Difference]: Without dead ends: 111
[2024-11-08 18:39:23,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506
[2024-11-08 18:39:23,075 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 43 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:23,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 144 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:39:23,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2024-11-08 18:39:23,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2024-11-08 18:39:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 85 states have (on average 1.1294117647058823) internal successors, (96), 85 states have internal predecessors, (96), 14 states have call successors, (14), 12 states have call predecessors, (14), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-08 18:39:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions.
[2024-11-08 18:39:23,098 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 55
[2024-11-08 18:39:23,098 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:23,098 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions.
[2024-11-08 18:39:23,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 11 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18)
[2024-11-08 18:39:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions.
[2024-11-08 18:39:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-11-08 18:39:23,101 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:23,101 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:23,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-08 18:39:23,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-11-08 18:39:23,305 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:23,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:23,305 INFO L85 PathProgramCache]: Analyzing trace with hash 355109810, now seen corresponding path program 3 times
[2024-11-08 18:39:23,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:23,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886231710]
[2024-11-08 18:39:23,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:23,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:39:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-08 18:39:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-08 18:39:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-08 18:39:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-08 18:39:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:39:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-08 18:39:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:39:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 18:39:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-08 18:39:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 18:39:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96
[2024-11-08 18:39:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 20 proven. 245 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked.
[2024-11-08 18:39:23,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:39:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886231710]
[2024-11-08 18:39:23,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886231710] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:39:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170736071]
[2024-11-08 18:39:23,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 18:39:23,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:23,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:23,804 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:23,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 18:39:23,919 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-11-08 18:39:23,919 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 18:39:23,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-11-08 18:39:23,929 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:39:24,115 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 20 proven. 425 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:39:24,115 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:39:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 20 proven. 245 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked.
[2024-11-08 18:39:24,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170736071] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:39:24,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:39:24,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 24
[2024-11-08 18:39:24,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634011794]
[2024-11-08 18:39:24,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:39:24,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-08 18:39:24,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:39:24,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-08 18:39:24,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=316, Unknown=0, NotChecked=0, Total=552
[2024-11-08 18:39:24,515 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand has 24 states, 24 states have (on average 5.333333333333333) internal successors, (128), 24 states have internal predecessors, (128), 21 states have call successors, (36), 13 states have call predecessors, (36), 12 states have return successors, (35), 20 states have call predecessors, (35), 20 states have call successors, (35)
[2024-11-08 18:39:25,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:39:25,052 INFO L93 Difference]: Finished difference Result 206 states and 237 transitions.
[2024-11-08 18:39:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states.
[2024-11-08 18:39:25,053 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.333333333333333) internal successors, (128), 24 states have internal predecessors, (128), 21 states have call successors, (36), 13 states have call predecessors, (36), 12 states have return successors, (35), 20 states have call predecessors, (35), 20 states have call successors, (35) Word has length 109
[2024-11-08 18:39:25,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:39:25,055 INFO L225 Difference]: With dead ends: 206
[2024-11-08 18:39:25,055 INFO L226 Difference]: Without dead ends: 201
[2024-11-08 18:39:25,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 229 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=665, Invalid=1141, Unknown=0, NotChecked=0, Total=1806
[2024-11-08 18:39:25,057 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 92 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 18:39:25,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 188 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 18:39:25,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states.
[2024-11-08 18:39:25,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201.
[2024-11-08 18:39:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 155 states have (on average 1.135483870967742) internal successors, (176), 155 states have internal predecessors, (176), 24 states have call successors, (24), 22 states have call predecessors, (24), 21 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-08 18:39:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 223 transitions.
[2024-11-08 18:39:25,090 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 223 transitions. Word has length 109
[2024-11-08 18:39:25,090 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:39:25,091 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 223 transitions.
[2024-11-08 18:39:25,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.333333333333333) internal successors, (128), 24 states have internal predecessors, (128), 21 states have call successors, (36), 13 states have call predecessors, (36), 12 states have return successors, (35), 20 states have call predecessors, (35), 20 states have call successors, (35)
[2024-11-08 18:39:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 223 transitions.
[2024-11-08 18:39:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2024-11-08 18:39:25,094 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:39:25,094 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:25,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-08 18:39:25,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2024-11-08 18:39:25,295 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:39:25,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:39:25,296 INFO L85 PathProgramCache]: Analyzing trace with hash -414178318, now seen corresponding path program 4 times
[2024-11-08 18:39:25,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:39:25,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113467923]
[2024-11-08 18:39:25,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:39:25,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:39:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 18:39:25,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450473115]
[2024-11-08 18:39:25,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-08 18:39:25,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:39:25,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:39:25,411 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:39:25,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 18:39:25,565 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-08 18:39:25,565 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-08 18:39:25,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 18:39:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 18:39:25,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 18:39:25,712 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 18:39:25,713 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 18:39:25,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-11-08 18:39:25,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-08 18:39:25,919 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:39:26,001 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:39:26,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:39:26 BoogieIcfgContainer
[2024-11-08 18:39:26,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:39:26,005 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:39:26,005 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:39:26,005 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 18:39:26,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:39:17" (3/4) ...
[2024-11-08 18:39:26,006 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 18:39:26,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:39:26,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:39:26,120 INFO L158 Benchmark]: Toolchain (without parser) took 9554.84ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 117.2MB in the beginning and 57.5MB in the end (delta: 59.7MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB.
[2024-11-08 18:39:26,120 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:39:26,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.49ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 104.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 18:39:26,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.24ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:39:26,121 INFO L158 Benchmark]: Boogie Preprocessor took 54.38ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 101.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:39:26,121 INFO L158 Benchmark]: RCFGBuilder took 363.63ms. Allocated memory is still 159.4MB. Free memory was 101.3MB in the beginning and 90.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-08 18:39:26,122 INFO L158 Benchmark]: TraceAbstraction took 8681.78ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 89.9MB in the beginning and 65.0MB in the end (delta: 25.0MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB.
[2024-11-08 18:39:26,122 INFO L158 Benchmark]: Witness Printer took 114.49ms. Allocated memory is still 203.4MB. Free memory was 65.0MB in the beginning and 57.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-08 18:39:26,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 290.49ms. Allocated memory is still 159.4MB. Free memory was 117.2MB in the beginning and 104.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.24ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.38ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 101.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 363.63ms. Allocated memory is still 159.4MB. Free memory was 101.3MB in the beginning and 90.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 8681.78ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 89.9MB in the beginning and 65.0MB in the end (delta: 25.0MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB.
* Witness Printer took 114.49ms. Allocated memory is still 203.4MB. Free memory was 65.0MB in the beginning and 57.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. 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
- CounterExampleResult [Line: 18]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L22] int counter = 0;
VAL [counter=0]
[L24] int x1, x2;
[L25] int y1, y2, y3;
[L26] x1 = __VERIFIER_nondet_int()
[L27] x2 = __VERIFIER_nondet_int()
[L29] CALL assume_abort_if_not(x1 >= 0)
VAL [\old(cond)=1, counter=0]
[L13] COND FALSE !(!cond)
VAL [\old(cond)=1, counter=0]
[L29] RET assume_abort_if_not(x1 >= 0)
VAL [counter=0, x1=21, x2=1]
[L30] CALL assume_abort_if_not(x2 != 0)
VAL [\old(cond)=1, counter=0]
[L13] COND FALSE !(!cond)
VAL [\old(cond)=1, counter=0]
[L30] RET assume_abort_if_not(x2 != 0)
VAL [counter=0, x1=21, x2=1]
[L32] y1 = 0
[L33] y2 = 0
[L34] y3 = x1
VAL [counter=0, x1=21, x2=1, y1=0, y2=0, y3=21]
[L36] EXPR counter++
VAL [counter=1, x1=21, x2=1, y1=0, y2=0, y3=21]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=1]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=1]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=1, x1=21, x2=1, y1=0, y2=0, y3=21]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=1, x1=21, x2=1, y1=0, y2=0, y3=21]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=1, x1=21, x2=1, y1=1, y2=0, y3=20]
[L36] EXPR counter++
VAL [counter=2, x1=21, x2=1, y1=1, y2=0, y3=20]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=2]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=2]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=2, x1=21, x2=1, y1=1, y2=0, y3=20]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=2, x1=21, x2=1, y1=1, y2=0, y3=20]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=2, x1=21, x2=1, y1=2, y2=0, y3=19]
[L36] EXPR counter++
VAL [counter=3, x1=21, x2=1, y1=2, y2=0, y3=19]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=3]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=3]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=3, x1=21, x2=1, y1=2, y2=0, y3=19]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=3, x1=21, x2=1, y1=2, y2=0, y3=19]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=3, x1=21, x2=1, y1=3, y2=0, y3=18]
[L36] EXPR counter++
VAL [counter=4, x1=21, x2=1, y1=3, y2=0, y3=18]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=4]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=4]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=4, x1=21, x2=1, y1=3, y2=0, y3=18]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=4, x1=21, x2=1, y1=3, y2=0, y3=18]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=4, x1=21, x2=1, y1=4, y2=0, y3=17]
[L36] EXPR counter++
VAL [counter=5, x1=21, x2=1, y1=4, y2=0, y3=17]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=5]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=5]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=5, x1=21, x2=1, y1=4, y2=0, y3=17]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=5, x1=21, x2=1, y1=4, y2=0, y3=17]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=5, x1=21, x2=1, y1=5, y2=0, y3=16]
[L36] EXPR counter++
VAL [counter=6, x1=21, x2=1, y1=5, y2=0, y3=16]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=6]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=6]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=6, x1=21, x2=1, y1=5, y2=0, y3=16]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=6, x1=21, x2=1, y1=5, y2=0, y3=16]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=6, x1=21, x2=1, y1=6, y2=0, y3=15]
[L36] EXPR counter++
VAL [counter=7, x1=21, x2=1, y1=6, y2=0, y3=15]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=7]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=7]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=7, x1=21, x2=1, y1=6, y2=0, y3=15]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=7, x1=21, x2=1, y1=6, y2=0, y3=15]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=7, x1=21, x2=1, y1=7, y2=0, y3=14]
[L36] EXPR counter++
VAL [counter=8, x1=21, x2=1, y1=7, y2=0, y3=14]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=8]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=8]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=8, x1=21, x2=1, y1=7, y2=0, y3=14]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=8, x1=21, x2=1, y1=7, y2=0, y3=14]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=8, x1=21, x2=1, y1=8, y2=0, y3=13]
[L36] EXPR counter++
VAL [counter=9, x1=21, x2=1, y1=8, y2=0, y3=13]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=9]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=9]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=9, x1=21, x2=1, y1=8, y2=0, y3=13]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=9, x1=21, x2=1, y1=8, y2=0, y3=13]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=9, x1=21, x2=1, y1=9, y2=0, y3=12]
[L36] EXPR counter++
VAL [counter=10, x1=21, x2=1, y1=9, y2=0, y3=12]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=10]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=10]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=10, x1=21, x2=1, y1=9, y2=0, y3=12]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=10, x1=21, x2=1, y1=9, y2=0, y3=12]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=10, x1=21, x2=1, y1=10, y2=0, y3=11]
[L36] EXPR counter++
VAL [counter=11, x1=21, x2=1, y1=10, y2=0, y3=11]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=11]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=11]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=11, x1=21, x2=1, y1=10, y2=0, y3=11]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=11, x1=21, x2=1, y1=10, y2=0, y3=11]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=11, x1=21, x2=1, y1=11, y2=0, y3=10]
[L36] EXPR counter++
VAL [counter=12, x1=21, x2=1, y1=11, y2=0, y3=10]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=12]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=12]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=12, x1=21, x2=1, y1=11, y2=0, y3=10]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=12, x1=21, x2=1, y1=11, y2=0, y3=10]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=12, x1=21, x2=1, y1=12, y2=0, y3=9]
[L36] EXPR counter++
VAL [counter=13, x1=21, x2=1, y1=12, y2=0, y3=9]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=13]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=13]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=13, x1=21, x2=1, y1=12, y2=0, y3=9]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=13, x1=21, x2=1, y1=12, y2=0, y3=9]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=13, x1=21, x2=1, y1=13, y2=0, y3=8]
[L36] EXPR counter++
VAL [counter=14, x1=21, x2=1, y1=13, y2=0, y3=8]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=14]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=14]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=14, x1=21, x2=1, y1=13, y2=0, y3=8]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=14, x1=21, x2=1, y1=13, y2=0, y3=8]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=14, x1=21, x2=1, y1=14, y2=0, y3=7]
[L36] EXPR counter++
VAL [counter=15, x1=21, x2=1, y1=14, y2=0, y3=7]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=15]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=15]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=15, x1=21, x2=1, y1=14, y2=0, y3=7]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=15, x1=21, x2=1, y1=14, y2=0, y3=7]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=15, x1=21, x2=1, y1=15, y2=0, y3=6]
[L36] EXPR counter++
VAL [counter=16, x1=21, x2=1, y1=15, y2=0, y3=6]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=16]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=16]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=16, x1=21, x2=1, y1=15, y2=0, y3=6]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=16, x1=21, x2=1, y1=15, y2=0, y3=6]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=16, x1=21, x2=1, y1=16, y2=0, y3=5]
[L36] EXPR counter++
VAL [counter=17, x1=21, x2=1, y1=16, y2=0, y3=5]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=17]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=17]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=17, x1=21, x2=1, y1=16, y2=0, y3=5]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=17, x1=21, x2=1, y1=16, y2=0, y3=5]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=17, x1=21, x2=1, y1=17, y2=0, y3=4]
[L36] EXPR counter++
VAL [counter=18, x1=21, x2=1, y1=17, y2=0, y3=4]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=18]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=18]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=18, x1=21, x2=1, y1=17, y2=0, y3=4]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=18, x1=21, x2=1, y1=17, y2=0, y3=4]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=18, x1=21, x2=1, y1=18, y2=0, y3=3]
[L36] EXPR counter++
VAL [counter=19, x1=21, x2=1, y1=18, y2=0, y3=3]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=19]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=19]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=19, x1=21, x2=1, y1=18, y2=0, y3=3]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=19, x1=21, x2=1, y1=18, y2=0, y3=3]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=19, x1=21, x2=1, y1=19, y2=0, y3=2]
[L36] EXPR counter++
VAL [counter=20, x1=21, x2=1, y1=19, y2=0, y3=2]
[L36] COND TRUE counter++<20
[L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [\old(cond)=1, counter=20]
[L16] COND FALSE !(!(cond))
VAL [\old(cond)=1, counter=20]
[L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1)
VAL [counter=20, x1=21, x2=1, y1=19, y2=0, y3=2]
[L39] COND FALSE !(!(y3 != 0))
VAL [counter=20, x1=21, x2=1, y1=19, y2=0, y3=2]
[L41] COND TRUE y2 + 1 == x2
[L42] y1 = y1 + 1
[L43] y2 = 0
[L44] y3 = y3 - 1
VAL [counter=20, x1=21, x2=1, y1=20, y2=0, y3=1]
[L36] EXPR counter++
VAL [counter=21, x1=21, x2=1, y1=20, y2=0, y3=1]
[L36] COND FALSE !(counter++<20)
[L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1)
VAL [\old(cond)=0, counter=21]
[L16] COND TRUE !(cond)
VAL [\old(cond)=0, counter=21]
[L18] reach_error()
VAL [\old(cond)=0, counter=21]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 10, TraceHistogramMax: 21, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 952 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 752 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 400 IncrementalHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 200 mSDtfsCounter, 400 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 688 GetRequests, 574 SyntacticMatches, 4 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=9, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1031 NumberOfCodeBlocks, 1031 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 821 ConstructedInterpolants, 0 QuantifiedInterpolants, 2050 SizeOfPredicates, 20 NumberOfNonLiveVariables, 868 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 610/1683 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 proved your program to be incorrect!
[2024-11-08 18:39:26,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38828fc1-f226-421c-82c8-ffcacf7e7c25/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE