./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
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_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash cb96b9db29eb9339445c5d18c4526e95cdc940db6fcccba6ff8e2a771f6f2248
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:10:04,929 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:10:04,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:10:04,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:10:04,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:10:04,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:10:04,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:10:05,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:10:05,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:10:05,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:10:05,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:10:05,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:10:05,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:10:05,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:10:05,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:10:05,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:10:05,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:10:05,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:10:05,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:10:05,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:10:05,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:10:05,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:10:05,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:10:05,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:10:05,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:10:05,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:10:05,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:10:05,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:10:05,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:10:05,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:10:05,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:10:05,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:10:05,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:10:05,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:10:05,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:10:05,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:10:05,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:10:05,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:10:05,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:10:05,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:10:05,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:10:05,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf
[2022-11-02 20:10:05,104 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:10:05,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:10:05,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:10:05,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:10:05,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:10:05,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:10:05,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:10:05,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:10:05,109 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:10:05,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:10:05,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:10:05,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:10:05,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:10:05,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:10:05,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:10:05,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:10:05,113 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:10:05,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:10:05,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:10:05,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:10:05,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:10:05,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:10:05,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:10:05,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:10:05,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:10:05,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:10:05,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:10:05,117 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:10:05,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:10:05,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:10:05,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb96b9db29eb9339445c5d18c4526e95cdc940db6fcccba6ff8e2a771f6f2248
[2022-11-02 20:10:05,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:10:05,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:10:05,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:10:05,536 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:10:05,537 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:10:05,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c
[2022-11-02 20:10:05,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/50b981cc5/f7e7cf5b1ed64c6280cdf379f4629f88/FLAG99ab47beb
[2022-11-02 20:10:06,333 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:10:06,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c
[2022-11-02 20:10:06,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/50b981cc5/f7e7cf5b1ed64c6280cdf379f4629f88/FLAG99ab47beb
[2022-11-02 20:10:06,492 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/50b981cc5/f7e7cf5b1ed64c6280cdf379f4629f88
[2022-11-02 20:10:06,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:10:06,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:10:06,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:10:06,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:10:06,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:10:06,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:06" (1/1) ...
[2022-11-02 20:10:06,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e11be08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:06, skipping insertion in model container
[2022-11-02 20:10:06,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:06" (1/1) ...
[2022-11-02 20:10:06,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:10:06,612 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:10:06,911 WARN L230 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_f041f882-00e8-454e-a09d-213d0987cddf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1014,1027]
[2022-11-02 20:10:07,296 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:10:07,307 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:10:07,322 WARN L230 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_f041f882-00e8-454e-a09d-213d0987cddf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1014,1027]
[2022-11-02 20:10:07,476 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:10:07,490 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:10:07,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07 WrapperNode
[2022-11-02 20:10:07,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:10:07,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:10:07,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:10:07,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:10:07,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:07,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:07,838 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2112
[2022-11-02 20:10:07,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:10:07,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:10:07,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:10:07,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:10:07,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:07,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:07,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:07,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:07,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:08,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:08,024 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:08,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:08,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:10:08,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:10:08,174 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:10:08,174 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:10:08,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (1/1) ...
[2022-11-02 20:10:08,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:10:08,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:10:08,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:10:08,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:10:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:10:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:10:08,874 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:10:08,876 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:13:21,981 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:13:21,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:13:21,990 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:13:21,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:13:21 BoogieIcfgContainer
[2022-11-02 20:13:21,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:13:21,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:13:21,996 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:13:22,000 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:13:22,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:10:06" (1/3) ...
[2022-11-02 20:13:22,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285cd651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:13:22, skipping insertion in model container
[2022-11-02 20:13:22,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:07" (2/3) ...
[2022-11-02 20:13:22,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285cd651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:13:22, skipping insertion in model container
[2022-11-02 20:13:22,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:13:21" (3/3) ...
[2022-11-02 20:13:22,004 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c
[2022-11-02 20:13:22,026 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:13:22,027 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:13:22,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:13:22,104 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@48e1e6ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:13:22,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:13:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 121 states have (on average 1.4958677685950412) internal successors, (181), 122 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:13:22,121 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:22,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:13:22,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:22,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times
[2022-11-02 20:13:22,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:13:22,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785330047]
[2022-11-02 20:13:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:22,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:13:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:13:22,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:13:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:13:23,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:13:23,179 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:13:23,180 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:13:23,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:13:23,186 INFO L444 BasicCegarLoop]: Path program histogram: [1]
[2022-11-02 20:13:23,192 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:13:23,236 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null
[2022-11-02 20:13:23,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:13:23 BoogieIcfgContainer
[2022-11-02 20:13:23,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:13:23,261 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:13:23,262 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:13:23,262 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:13:23,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:13:21" (3/4) ...
[2022-11-02 20:13:23,266 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-11-02 20:13:23,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:13:23,269 INFO L158 Benchmark]: Toolchain (without parser) took 196769.86ms. Allocated memory was 125.8MB in the beginning and 725.6MB in the end (delta: 599.8MB). Free memory was 88.5MB in the beginning and 558.3MB in the end (delta: -469.8MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB.
[2022-11-02 20:13:23,270 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:13:23,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.42ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 51.5MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2022-11-02 20:13:23,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 346.99ms. Allocated memory is still 125.8MB. Free memory was 51.5MB in the beginning and 58.7MB in the end (delta: -7.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB.
[2022-11-02 20:13:23,277 INFO L158 Benchmark]: Boogie Preprocessor took 332.43ms. Allocated memory was 125.8MB in the beginning and 127.9MB in the end (delta: 2.1MB). Free memory was 58.7MB in the beginning and 66.8MB in the end (delta: -8.1MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB.
[2022-11-02 20:13:23,278 INFO L158 Benchmark]: RCFGBuilder took 193819.66ms. Allocated memory was 127.9MB in the beginning and 725.6MB in the end (delta: 597.7MB). Free memory was 66.8MB in the beginning and 642.2MB in the end (delta: -575.4MB). Peak memory consumption was 447.9MB. Max. memory is 16.1GB.
[2022-11-02 20:13:23,280 INFO L158 Benchmark]: TraceAbstraction took 1263.74ms. Allocated memory is still 725.6MB. Free memory was 641.1MB in the beginning and 558.3MB in the end (delta: 82.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB.
[2022-11-02 20:13:23,280 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 725.6MB. Free memory was 558.3MB in the beginning and 558.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:13:23,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 990.42ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 51.5MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 346.99ms. Allocated memory is still 125.8MB. Free memory was 51.5MB in the beginning and 58.7MB in the end (delta: -7.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 332.43ms. Allocated memory was 125.8MB in the beginning and 127.9MB in the end (delta: 2.1MB). Free memory was 58.7MB in the beginning and 66.8MB in the end (delta: -8.1MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB.
* RCFGBuilder took 193819.66ms. Allocated memory was 127.9MB in the beginning and 725.6MB in the end (delta: 597.7MB). Free memory was 66.8MB in the beginning and 642.2MB in the end (delta: -575.4MB). Peak memory consumption was 447.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 1263.74ms. Allocated memory is still 725.6MB. Free memory was 641.1MB in the beginning and 558.3MB in the end (delta: 82.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB.
* Witness Printer took 5.54ms. Allocated memory is still 725.6MB. Free memory was 558.3MB in the beginning and 558.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of bitwiseComplement at line 251, overapproximation of bitwiseOr at line 246, overapproximation of bitwiseAnd at line 202.
Possible FailurePath:
[L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1);
[L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1);
[L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8);
[L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1);
[L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24);
[L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1);
[L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32);
[L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1);
[L37] const SORT_2 var_5 = 0;
[L38] const SORT_1 var_30 = 0;
[L39] const SORT_3 var_91 = 0;
[L40] const SORT_4 var_93 = 80;
[L41] const SORT_2 var_97 = 15;
[L42] const SORT_4 var_101 = 1;
[L43] const SORT_2 var_107 = 4;
[L44] const SORT_4 var_109 = 2;
[L45] const SORT_2 var_133 = 12;
[L46] const SORT_2 var_160 = 2;
[L47] const SORT_2 var_225 = 10;
[L49] SORT_1 input_98;
[L50] SORT_1 input_108;
[L51] SORT_1 input_114;
[L52] SORT_1 input_138;
[L53] SORT_1 input_141;
[L54] SORT_1 input_142;
[L55] SORT_1 input_143;
[L56] SORT_1 input_144;
[L57] SORT_1 input_145;
[L58] SORT_1 input_146;
[L59] SORT_1 input_167;
[L60] SORT_1 input_168;
[L61] SORT_1 input_169;
[L62] SORT_1 input_194;
[L63] SORT_1 input_198;
[L64] SORT_1 input_199;
[L65] SORT_1 input_245;
[L66] SORT_1 input_248;
[L67] SORT_1 input_249;
[L68] SORT_1 input_272;
[L69] SORT_1 input_293;
[L70] SORT_1 input_314;
[L72] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L73] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L74] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L75] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L76] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L77] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L78] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L79] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L80] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L81] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L82] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L83] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L84] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L85] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L86] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L87] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L88] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L89] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L90] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L91] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L92] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L93] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L94] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L95] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L96] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L97] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L98] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L99] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L100] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L101] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L102] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L103] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L104] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L105] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L106] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L107] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L108] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L109] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L110] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L111] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L112] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L113] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L115] SORT_2 init_7_arg_1 = var_5;
[L116] state_6 = init_7_arg_1
[L117] SORT_2 init_9_arg_1 = var_5;
[L118] state_8 = init_9_arg_1
[L119] SORT_2 init_11_arg_1 = var_5;
[L120] state_10 = init_11_arg_1
[L121] SORT_2 init_13_arg_1 = var_5;
[L122] state_12 = init_13_arg_1
[L123] SORT_2 init_15_arg_1 = var_5;
[L124] state_14 = init_15_arg_1
[L125] SORT_2 init_17_arg_1 = var_5;
[L126] state_16 = init_17_arg_1
[L127] SORT_2 init_19_arg_1 = var_5;
[L128] state_18 = init_19_arg_1
[L129] SORT_2 init_21_arg_1 = var_5;
[L130] state_20 = init_21_arg_1
[L131] SORT_2 init_23_arg_1 = var_5;
[L132] state_22 = init_23_arg_1
[L133] SORT_2 init_25_arg_1 = var_5;
[L134] state_24 = init_25_arg_1
[L135] SORT_2 init_27_arg_1 = var_5;
[L136] state_26 = init_27_arg_1
[L137] SORT_2 init_29_arg_1 = var_5;
[L138] state_28 = init_29_arg_1
[L139] SORT_1 init_32_arg_1 = var_30;
[L140] state_31 = init_32_arg_1
[L141] SORT_1 init_34_arg_1 = var_30;
[L142] state_33 = init_34_arg_1
[L143] SORT_1 init_36_arg_1 = var_30;
[L144] state_35 = init_36_arg_1
[L145] SORT_1 init_38_arg_1 = var_30;
[L146] state_37 = init_38_arg_1
[L147] SORT_1 init_40_arg_1 = var_30;
[L148] state_39 = init_40_arg_1
[L149] SORT_1 init_42_arg_1 = var_30;
[L150] state_41 = init_42_arg_1
[L151] SORT_1 init_44_arg_1 = var_30;
[L152] state_43 = init_44_arg_1
[L153] SORT_1 init_46_arg_1 = var_30;
[L154] state_45 = init_46_arg_1
[L155] SORT_1 init_48_arg_1 = var_30;
[L156] state_47 = init_48_arg_1
[L157] SORT_1 init_50_arg_1 = var_30;
[L158] state_49 = init_50_arg_1
[L159] SORT_1 init_52_arg_1 = var_30;
[L160] state_51 = init_52_arg_1
[L161] SORT_1 init_54_arg_1 = var_30;
[L162] state_53 = init_54_arg_1
[L163] SORT_1 init_56_arg_1 = var_30;
[L164] state_55 = init_56_arg_1
[L165] SORT_1 init_58_arg_1 = var_30;
[L166] state_57 = init_58_arg_1
[L167] SORT_1 init_60_arg_1 = var_30;
[L168] state_59 = init_60_arg_1
[L169] SORT_1 init_62_arg_1 = var_30;
[L170] state_61 = init_62_arg_1
[L171] SORT_1 init_64_arg_1 = var_30;
[L172] state_63 = init_64_arg_1
[L173] SORT_1 init_66_arg_1 = var_30;
[L174] state_65 = init_66_arg_1
[L175] SORT_1 init_68_arg_1 = var_30;
[L176] state_67 = init_68_arg_1
[L177] SORT_1 init_70_arg_1 = var_30;
[L178] state_69 = init_70_arg_1
[L179] SORT_1 init_72_arg_1 = var_30;
[L180] state_71 = init_72_arg_1
[L181] SORT_1 init_74_arg_1 = var_30;
[L182] state_73 = init_74_arg_1
[L183] SORT_1 init_76_arg_1 = var_30;
[L184] state_75 = init_76_arg_1
[L185] SORT_1 init_78_arg_1 = var_30;
[L186] state_77 = init_78_arg_1
[L187] SORT_1 init_80_arg_1 = var_30;
[L188] state_79 = init_80_arg_1
[L189] SORT_1 init_82_arg_1 = var_30;
[L190] state_81 = init_82_arg_1
[L191] SORT_1 init_84_arg_1 = var_30;
[L192] state_83 = init_84_arg_1
[L193] SORT_1 init_86_arg_1 = var_30;
[L194] state_85 = init_86_arg_1
[L195] SORT_1 init_88_arg_1 = var_30;
[L196] state_87 = init_88_arg_1
[L197] SORT_1 init_90_arg_1 = var_30;
[L198] state_89 = init_90_arg_1
VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15]
[L201] input_98 = __VERIFIER_nondet_uchar()
[L202] input_98 = input_98 & mask_SORT_1
[L203] input_108 = __VERIFIER_nondet_uchar()
[L204] input_108 = input_108 & mask_SORT_1
[L205] input_114 = __VERIFIER_nondet_uchar()
[L206] input_114 = input_114 & mask_SORT_1
[L207] input_138 = __VERIFIER_nondet_uchar()
[L208] input_138 = input_138 & mask_SORT_1
[L209] input_141 = __VERIFIER_nondet_uchar()
[L210] input_141 = input_141 & mask_SORT_1
[L211] input_142 = __VERIFIER_nondet_uchar()
[L212] input_142 = input_142 & mask_SORT_1
[L213] input_143 = __VERIFIER_nondet_uchar()
[L214] input_143 = input_143 & mask_SORT_1
[L215] input_144 = __VERIFIER_nondet_uchar()
[L216] input_144 = input_144 & mask_SORT_1
[L217] input_145 = __VERIFIER_nondet_uchar()
[L218] input_145 = input_145 & mask_SORT_1
[L219] input_146 = __VERIFIER_nondet_uchar()
[L220] input_146 = input_146 & mask_SORT_1
[L221] input_167 = __VERIFIER_nondet_uchar()
[L222] input_167 = input_167 & mask_SORT_1
[L223] input_168 = __VERIFIER_nondet_uchar()
[L224] input_168 = input_168 & mask_SORT_1
[L225] input_169 = __VERIFIER_nondet_uchar()
[L226] input_169 = input_169 & mask_SORT_1
[L227] input_194 = __VERIFIER_nondet_uchar()
[L228] input_194 = input_194 & mask_SORT_1
[L229] input_198 = __VERIFIER_nondet_uchar()
[L230] input_198 = input_198 & mask_SORT_1
[L231] input_199 = __VERIFIER_nondet_uchar()
[L232] input_199 = input_199 & mask_SORT_1
[L233] input_245 = __VERIFIER_nondet_uchar()
[L234] input_245 = input_245 & mask_SORT_1
[L235] input_248 = __VERIFIER_nondet_uchar()
[L236] input_248 = input_248 & mask_SORT_1
[L237] input_249 = __VERIFIER_nondet_uchar()
[L238] input_249 = input_249 & mask_SORT_1
[L239] input_272 = __VERIFIER_nondet_uchar()
[L240] input_293 = __VERIFIER_nondet_uchar()
[L241] input_314 = __VERIFIER_nondet_uchar()
[L244] SORT_3 var_92_arg_0 = var_91;
[L245] SORT_2 var_92_arg_1 = state_28;
[L246] SORT_4 var_92 = ((SORT_4)var_92_arg_0 << 8) | var_92_arg_1;
[L247] var_92 = var_92 & mask_SORT_4
[L248] SORT_4 var_94_arg_0 = var_92;
[L249] SORT_4 var_94_arg_1 = var_93;
[L250] SORT_1 var_94 = var_94_arg_0 <= var_94_arg_1;
[L251] SORT_1 var_95_arg_0 = ~state_89;
[L252] var_95_arg_0 = var_95_arg_0 & mask_SORT_1
[L253] SORT_1 var_95_arg_1 = ~var_94;
[L254] var_95_arg_1 = var_95_arg_1 & mask_SORT_1
[L255] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1;
[L256] var_95 = var_95 & mask_SORT_1
[L257] SORT_1 bad_96_arg_0 = var_95;
[L258] CALL __VERIFIER_assert(!(bad_96_arg_0))
[L20] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0]
[L20] reach_error()
VAL [\old(cond)=0, cond=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-11-02 20:13:23,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash cb96b9db29eb9339445c5d18c4526e95cdc940db6fcccba6ff8e2a771f6f2248
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:13:25,651 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:13:25,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:13:25,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:13:25,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:13:25,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:13:25,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:13:25,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:13:25,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:13:25,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:13:25,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:13:25,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:13:25,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:13:25,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:13:25,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:13:25,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:13:25,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:13:25,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:13:25,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:13:25,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:13:25,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:13:25,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:13:25,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:13:25,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:13:25,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:13:25,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:13:25,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:13:25,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:13:25,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:13:25,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:13:25,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:13:25,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:13:25,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:13:25,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:13:25,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:13:25,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:13:25,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:13:25,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:13:25,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:13:25,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:13:25,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:13:25,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2022-11-02 20:13:25,820 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:13:25,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:13:25,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:13:25,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:13:25,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:13:25,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:13:25,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:13:25,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:13:25,825 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:13:25,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:13:25,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:13:25,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:13:25,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:13:25,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:13:25,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-11-02 20:13:25,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-11-02 20:13:25,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-11-02 20:13:25,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:13:25,828 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:13:25,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:13:25,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:13:25,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:13:25,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:13:25,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:13:25,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:13:25,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:13:25,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:13:25,831 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-11-02 20:13:25,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-11-02 20:13:25,831 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:13:25,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:13:25,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:13:25,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-02 20:13:25,832 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
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_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb96b9db29eb9339445c5d18c4526e95cdc940db6fcccba6ff8e2a771f6f2248
[2022-11-02 20:13:26,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:13:26,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:13:26,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:13:26,253 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:13:26,255 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:13:26,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c
[2022-11-02 20:13:26,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/1a6892fb3/73f4f3b40c1f446c9d47c779016d31f4/FLAGfe21f4c8d
[2022-11-02 20:13:27,027 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:13:27,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c
[2022-11-02 20:13:27,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/1a6892fb3/73f4f3b40c1f446c9d47c779016d31f4/FLAGfe21f4c8d
[2022-11-02 20:13:27,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/data/1a6892fb3/73f4f3b40c1f446c9d47c779016d31f4
[2022-11-02 20:13:27,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:13:27,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:13:27,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:13:27,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:13:27,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:13:27,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:13:27" (1/1) ...
[2022-11-02 20:13:27,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6228d465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:27, skipping insertion in model container
[2022-11-02 20:13:27,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:13:27" (1/1) ...
[2022-11-02 20:13:27,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:13:27,388 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:13:27,546 WARN L230 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_f041f882-00e8-454e-a09d-213d0987cddf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1014,1027]
[2022-11-02 20:13:27,981 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:13:27,985 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:13:27,997 WARN L230 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_f041f882-00e8-454e-a09d-213d0987cddf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1014,1027]
[2022-11-02 20:13:28,137 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:13:28,149 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:13:28,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28 WrapperNode
[2022-11-02 20:13:28,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:13:28,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:13:28,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:13:28,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:13:28,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,296 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2112
[2022-11-02 20:13:28,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:13:28,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:13:28,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:13:28,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:13:28,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:13:28,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:13:28,434 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:13:28,434 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:13:28,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (1/1) ...
[2022-11-02 20:13:28,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:13:28,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:13:28,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:28,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:13:28,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:13:28,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:13:29,157 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:13:29,159 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:13:32,051 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:13:32,060 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:13:32,060 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:13:32,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:13:32 BoogieIcfgContainer
[2022-11-02 20:13:32,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:13:32,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:13:32,065 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:13:32,068 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:13:32,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:13:27" (1/3) ...
[2022-11-02 20:13:32,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6066e6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:13:32, skipping insertion in model container
[2022-11-02 20:13:32,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:13:28" (2/3) ...
[2022-11-02 20:13:32,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6066e6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:13:32, skipping insertion in model container
[2022-11-02 20:13:32,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:13:32" (3/3) ...
[2022-11-02 20:13:32,072 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c
[2022-11-02 20:13:32,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:13:32,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:13:32,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:13:32,149 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6a85811, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:13:32,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:13:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 121 states have (on average 1.4958677685950412) internal successors, (181), 122 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:13:32,160 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:32,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:13:32,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:32,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:32,167 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times
[2022-11-02 20:13:32,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:32,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380922302]
[2022-11-02 20:13:32,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:32,180 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:32,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:32,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:32,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-11-02 20:13:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:32,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 18 conjunts are in the unsatisfiable core
[2022-11-02 20:13:32,705 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:32,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:32,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:32,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380922302]
[2022-11-02 20:13:32,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380922302] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:32,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:32,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:13:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029769751]
[2022-11-02 20:13:32,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:32,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:13:32,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:32,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:13:32,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:13:32,889 INFO L87 Difference]: Start difference. First operand has 123 states, 121 states have (on average 1.4958677685950412) internal successors, (181), 122 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:33,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:33,279 INFO L93 Difference]: Finished difference Result 356 states and 534 transitions.
[2022-11-02 20:13:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:13:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2022-11-02 20:13:33,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:33,293 INFO L225 Difference]: With dead ends: 356
[2022-11-02 20:13:33,293 INFO L226 Difference]: Without dead ends: 235
[2022-11-02 20:13:33,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:13:33,300 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 339 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:33,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 493 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 20:13:33,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states.
[2022-11-02 20:13:33,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 121.
[2022-11-02 20:13:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.475) internal successors, (177), 120 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions.
[2022-11-02 20:13:33,345 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 5
[2022-11-02 20:13:33,345 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:33,345 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions.
[2022-11-02 20:13:33,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions.
[2022-11-02 20:13:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:33,349 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:33,350 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:33,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0
[2022-11-02 20:13:33,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:33,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:33,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:33,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1504819055, now seen corresponding path program 1 times
[2022-11-02 20:13:33,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:33,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131384897]
[2022-11-02 20:13:33,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:33,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:33,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:33,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:33,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-11-02 20:13:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:34,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:34,694 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:34,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:34,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:34,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131384897]
[2022-11-02 20:13:34,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131384897] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:34,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:34,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:34,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492255576]
[2022-11-02 20:13:34,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:34,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:34,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:34,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:34,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:34,896 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:35,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:35,070 INFO L93 Difference]: Finished difference Result 242 states and 356 transitions.
[2022-11-02 20:13:35,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:13:35,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:35,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:35,072 INFO L225 Difference]: With dead ends: 242
[2022-11-02 20:13:35,072 INFO L226 Difference]: Without dead ends: 125
[2022-11-02 20:13:35,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:13:35,074 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 2 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:35,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 666 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 19 Unchecked, 0.1s Time]
[2022-11-02 20:13:35,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2022-11-02 20:13:35,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2022-11-02 20:13:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.467741935483871) internal successors, (182), 124 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 182 transitions.
[2022-11-02 20:13:35,093 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 182 transitions. Word has length 120
[2022-11-02 20:13:35,093 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:35,094 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 182 transitions.
[2022-11-02 20:13:35,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 182 transitions.
[2022-11-02 20:13:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:35,098 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:35,099 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:35,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0
[2022-11-02 20:13:35,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:35,315 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:35,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:35,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1063003279, now seen corresponding path program 1 times
[2022-11-02 20:13:35,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:35,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071686434]
[2022-11-02 20:13:35,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:35,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:35,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:35,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:35,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-11-02 20:13:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:36,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:36,349 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:36,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:36,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:36,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071686434]
[2022-11-02 20:13:36,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071686434] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:36,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:36,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:36,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017336682]
[2022-11-02 20:13:36,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:36,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:36,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:36,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:36,753 INFO L87 Difference]: Start difference. First operand 125 states and 182 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:36,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:36,909 INFO L93 Difference]: Finished difference Result 290 states and 427 transitions.
[2022-11-02 20:13:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:13:36,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:36,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:36,912 INFO L225 Difference]: With dead ends: 290
[2022-11-02 20:13:36,912 INFO L226 Difference]: Without dead ends: 173
[2022-11-02 20:13:36,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:13:36,914 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 84 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:36,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 999 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 20 Unchecked, 0.1s Time]
[2022-11-02 20:13:36,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2022-11-02 20:13:36,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173.
[2022-11-02 20:13:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.4709302325581395) internal successors, (253), 172 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:36,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 253 transitions.
[2022-11-02 20:13:36,925 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 253 transitions. Word has length 120
[2022-11-02 20:13:36,926 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:36,926 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 253 transitions.
[2022-11-02 20:13:36,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 253 transitions.
[2022-11-02 20:13:36,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:36,928 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:36,928 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:36,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:13:37,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:37,143 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:37,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:37,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2015810291, now seen corresponding path program 1 times
[2022-11-02 20:13:37,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:37,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590379675]
[2022-11-02 20:13:37,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:37,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:37,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:37,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:37,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2022-11-02 20:13:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:38,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:38,056 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:38,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:38,295 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:38,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590379675]
[2022-11-02 20:13:38,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590379675] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:38,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:38,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:38,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937641239]
[2022-11-02 20:13:38,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:38,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:38,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:38,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:38,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:38,298 INFO L87 Difference]: Start difference. First operand 173 states and 253 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:38,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:38,480 INFO L93 Difference]: Finished difference Result 470 states and 692 transitions.
[2022-11-02 20:13:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:13:38,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:38,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:38,483 INFO L225 Difference]: With dead ends: 470
[2022-11-02 20:13:38,484 INFO L226 Difference]: Without dead ends: 353
[2022-11-02 20:13:38,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:13:38,485 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 284 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:38,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 1153 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 17 Unchecked, 0.2s Time]
[2022-11-02 20:13:38,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states.
[2022-11-02 20:13:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 237.
[2022-11-02 20:13:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.4703389830508475) internal successors, (347), 236 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 347 transitions.
[2022-11-02 20:13:38,497 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 347 transitions. Word has length 120
[2022-11-02 20:13:38,497 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:38,497 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 347 transitions.
[2022-11-02 20:13:38,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 347 transitions.
[2022-11-02 20:13:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:38,500 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:38,500 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:38,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2022-11-02 20:13:38,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:38,724 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:38,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:38,724 INFO L85 PathProgramCache]: Analyzing trace with hash -754893041, now seen corresponding path program 1 times
[2022-11-02 20:13:38,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:38,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917851361]
[2022-11-02 20:13:38,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:38,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:38,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:38,729 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:38,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2022-11-02 20:13:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:39,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:39,702 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:39,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:39,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:39,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917851361]
[2022-11-02 20:13:39,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917851361] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:39,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:39,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:39,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595957455]
[2022-11-02 20:13:39,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:39,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:39,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:39,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:39,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:39,958 INFO L87 Difference]: Start difference. First operand 237 states and 347 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:40,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:40,271 INFO L93 Difference]: Finished difference Result 524 states and 771 transitions.
[2022-11-02 20:13:40,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-11-02 20:13:40,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:40,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:40,274 INFO L225 Difference]: With dead ends: 524
[2022-11-02 20:13:40,274 INFO L226 Difference]: Without dead ends: 407
[2022-11-02 20:13:40,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:13:40,276 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 422 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:40,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1537 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 37 Unchecked, 0.3s Time]
[2022-11-02 20:13:40,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states.
[2022-11-02 20:13:40,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 239.
[2022-11-02 20:13:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.4663865546218486) internal successors, (349), 238 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 349 transitions.
[2022-11-02 20:13:40,298 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 349 transitions. Word has length 120
[2022-11-02 20:13:40,299 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:40,299 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 349 transitions.
[2022-11-02 20:13:40,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 349 transitions.
[2022-11-02 20:13:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:40,311 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:40,311 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:40,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2022-11-02 20:13:40,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:40,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:40,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:40,535 INFO L85 PathProgramCache]: Analyzing trace with hash 631892369, now seen corresponding path program 1 times
[2022-11-02 20:13:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:40,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035932503]
[2022-11-02 20:13:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:40,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:40,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:40,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:40,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2022-11-02 20:13:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:41,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:41,414 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:41,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:41,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:41,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035932503]
[2022-11-02 20:13:41,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035932503] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:41,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:41,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:41,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305248513]
[2022-11-02 20:13:41,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:41,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:41,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:41,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:41,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:41,692 INFO L87 Difference]: Start difference. First operand 239 states and 349 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:41,982 INFO L93 Difference]: Finished difference Result 524 states and 770 transitions.
[2022-11-02 20:13:41,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-11-02 20:13:41,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:41,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:41,985 INFO L225 Difference]: With dead ends: 524
[2022-11-02 20:13:41,985 INFO L226 Difference]: Without dead ends: 407
[2022-11-02 20:13:41,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:13:41,987 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 493 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:41,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1171 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 23 Unchecked, 0.2s Time]
[2022-11-02 20:13:41,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states.
[2022-11-02 20:13:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 249.
[2022-11-02 20:13:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.4637096774193548) internal successors, (363), 248 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 363 transitions.
[2022-11-02 20:13:42,008 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 363 transitions. Word has length 120
[2022-11-02 20:13:42,008 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:42,008 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 363 transitions.
[2022-11-02 20:13:42,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 363 transitions.
[2022-11-02 20:13:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:42,010 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:42,010 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:42,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2022-11-02 20:13:42,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:42,215 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:42,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1525378707, now seen corresponding path program 1 times
[2022-11-02 20:13:42,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:42,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165708449]
[2022-11-02 20:13:42,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:42,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:42,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:42,219 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:42,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2022-11-02 20:13:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:43,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:43,067 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:43,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:43,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:43,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165708449]
[2022-11-02 20:13:43,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165708449] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:43,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:43,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:43,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238108263]
[2022-11-02 20:13:43,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:43,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:43,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:43,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:43,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:43,653 INFO L87 Difference]: Start difference. First operand 249 states and 363 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:43,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:43,800 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions.
[2022-11-02 20:13:43,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:13:43,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:43,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:43,804 INFO L225 Difference]: With dead ends: 420
[2022-11-02 20:13:43,804 INFO L226 Difference]: Without dead ends: 303
[2022-11-02 20:13:43,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:13:43,805 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 130 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:43,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 946 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 14 Unchecked, 0.1s Time]
[2022-11-02 20:13:43,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states.
[2022-11-02 20:13:43,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303.
[2022-11-02 20:13:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 302 states have (on average 1.4569536423841059) internal successors, (440), 302 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 440 transitions.
[2022-11-02 20:13:43,814 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 440 transitions. Word has length 120
[2022-11-02 20:13:43,815 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:43,815 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 440 transitions.
[2022-11-02 20:13:43,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 440 transitions.
[2022-11-02 20:13:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:43,817 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:43,817 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:43,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0
[2022-11-02 20:13:44,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:44,036 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:44,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:44,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1925583087, now seen corresponding path program 1 times
[2022-11-02 20:13:44,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:44,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293374391]
[2022-11-02 20:13:44,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:44,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:44,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:44,040 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:44,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2022-11-02 20:13:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:44,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:44,903 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:45,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:45,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:45,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293374391]
[2022-11-02 20:13:45,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293374391] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:45,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:45,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:45,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710953861]
[2022-11-02 20:13:45,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:45,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:45,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:45,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:45,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:45,299 INFO L87 Difference]: Start difference. First operand 303 states and 440 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:45,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:45,546 INFO L93 Difference]: Finished difference Result 644 states and 942 transitions.
[2022-11-02 20:13:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-11-02 20:13:45,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:45,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:45,550 INFO L225 Difference]: With dead ends: 644
[2022-11-02 20:13:45,551 INFO L226 Difference]: Without dead ends: 527
[2022-11-02 20:13:45,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:13:45,554 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 412 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:45,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 1217 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 15 Unchecked, 0.2s Time]
[2022-11-02 20:13:45,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states.
[2022-11-02 20:13:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 403.
[2022-11-02 20:13:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 1.4577114427860696) internal successors, (586), 402 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 586 transitions.
[2022-11-02 20:13:45,585 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 586 transitions. Word has length 120
[2022-11-02 20:13:45,585 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:45,585 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 586 transitions.
[2022-11-02 20:13:45,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 586 transitions.
[2022-11-02 20:13:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:45,594 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:45,595 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:45,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2022-11-02 20:13:45,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:45,803 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:45,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:45,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1224518509, now seen corresponding path program 1 times
[2022-11-02 20:13:45,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:45,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156494884]
[2022-11-02 20:13:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:45,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:45,806 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:45,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2022-11-02 20:13:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:46,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 32 conjunts are in the unsatisfiable core
[2022-11-02 20:13:46,708 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:48,798 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:13:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:57,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:57,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156494884]
[2022-11-02 20:13:57,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156494884] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:13:57,085 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-11-02 20:13:57,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18
[2022-11-02 20:13:57,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828589902]
[2022-11-02 20:13:57,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:13:57,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2022-11-02 20:13:57,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:57,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2022-11-02 20:13:57,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=229, Unknown=2, NotChecked=0, Total=306
[2022-11-02 20:13:57,088 INFO L87 Difference]: Start difference. First operand 403 states and 586 transitions. Second operand has 18 states, 18 states have (on average 13.222222222222221) internal successors, (238), 18 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:57,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:57,228 INFO L93 Difference]: Finished difference Result 794 states and 1157 transitions.
[2022-11-02 20:13:57,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-11-02 20:13:57,229 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.222222222222221) internal successors, (238), 18 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:57,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:57,232 INFO L225 Difference]: With dead ends: 794
[2022-11-02 20:13:57,232 INFO L226 Difference]: Without dead ends: 792
[2022-11-02 20:13:57,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=83, Invalid=257, Unknown=2, NotChecked=0, Total=342
[2022-11-02 20:13:57,234 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 623 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:57,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 1745 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 25 Unchecked, 0.0s Time]
[2022-11-02 20:13:57,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states.
[2022-11-02 20:13:57,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792.
[2022-11-02 20:13:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 791 states have (on average 1.4601769911504425) internal successors, (1155), 791 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1155 transitions.
[2022-11-02 20:13:57,258 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1155 transitions. Word has length 120
[2022-11-02 20:13:57,258 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:57,260 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1155 transitions.
[2022-11-02 20:13:57,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.222222222222221) internal successors, (238), 18 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:57,260 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1155 transitions.
[2022-11-02 20:13:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:57,262 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:57,263 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:57,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0
[2022-11-02 20:13:57,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:57,478 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:57,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:57,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1810794731, now seen corresponding path program 1 times
[2022-11-02 20:13:57,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:57,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571863233]
[2022-11-02 20:13:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:57,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:57,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:57,483 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:57,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2022-11-02 20:13:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:58,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:13:58,453 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:13:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:13:58,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:13:58,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:13:58,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571863233]
[2022-11-02 20:13:58,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571863233] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:13:58,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:13:58,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:13:58,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319678786]
[2022-11-02 20:13:58,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:13:58,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:13:58,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:13:58,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:13:58,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:13:58,693 INFO L87 Difference]: Start difference. First operand 792 states and 1155 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:58,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:13:58,925 INFO L93 Difference]: Finished difference Result 1601 states and 2326 transitions.
[2022-11-02 20:13:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:13:58,927 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:13:58,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:13:58,931 INFO L225 Difference]: With dead ends: 1601
[2022-11-02 20:13:58,931 INFO L226 Difference]: Without dead ends: 1346
[2022-11-02 20:13:58,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:13:58,933 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 236 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:13:58,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1285 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 9 Unchecked, 0.2s Time]
[2022-11-02 20:13:58,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states.
[2022-11-02 20:13:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 888.
[2022-11-02 20:13:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 887 states have (on average 1.4577226606538896) internal successors, (1293), 887 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1293 transitions.
[2022-11-02 20:13:58,958 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1293 transitions. Word has length 120
[2022-11-02 20:13:58,958 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:13:58,958 INFO L495 AbstractCegarLoop]: Abstraction has 888 states and 1293 transitions.
[2022-11-02 20:13:58,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:13:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1293 transitions.
[2022-11-02 20:13:58,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:13:58,961 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:13:58,962 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:13:58,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2022-11-02 20:13:59,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:13:59,174 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:13:59,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:13:59,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2066775959, now seen corresponding path program 1 times
[2022-11-02 20:13:59,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:13:59,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38458063]
[2022-11-02 20:13:59,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:13:59,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:13:59,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:13:59,182 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:13:59,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2022-11-02 20:13:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:13:59,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 36 conjunts are in the unsatisfiable core
[2022-11-02 20:13:59,988 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:14:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:14:02,239 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:14:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:14:08,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:14:08,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38458063]
[2022-11-02 20:14:08,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38458063] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:14:08,168 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2022-11-02 20:14:08,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18
[2022-11-02 20:14:08,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601284625]
[2022-11-02 20:14:08,169 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:14:08,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2022-11-02 20:14:08,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:14:08,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2022-11-02 20:14:08,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306
[2022-11-02 20:14:08,171 INFO L87 Difference]: Start difference. First operand 888 states and 1293 transitions. Second operand has 18 states, 18 states have (on average 13.222222222222221) internal successors, (238), 18 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:14:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:14:08,305 INFO L93 Difference]: Finished difference Result 1500 states and 2179 transitions.
[2022-11-02 20:14:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-11-02 20:14:08,306 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.222222222222221) internal successors, (238), 18 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:14:08,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:14:08,312 INFO L225 Difference]: With dead ends: 1500
[2022-11-02 20:14:08,312 INFO L226 Difference]: Without dead ends: 1498
[2022-11-02 20:14:08,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342
[2022-11-02 20:14:08,313 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 577 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:14:08,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1777 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 26 Unchecked, 0.0s Time]
[2022-11-02 20:14:08,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states.
[2022-11-02 20:14:08,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1498.
[2022-11-02 20:14:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 1497 states have (on average 1.454241816967268) internal successors, (2177), 1497 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:14:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 2177 transitions.
[2022-11-02 20:14:08,348 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 2177 transitions. Word has length 120
[2022-11-02 20:14:08,348 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:14:08,348 INFO L495 AbstractCegarLoop]: Abstraction has 1498 states and 2177 transitions.
[2022-11-02 20:14:08,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.222222222222221) internal successors, (238), 18 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:14:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2177 transitions.
[2022-11-02 20:14:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:14:08,352 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:14:08,352 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:14:08,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0
[2022-11-02 20:14:08,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:14:08,571 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:14:08,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:14:08,572 INFO L85 PathProgramCache]: Analyzing trace with hash 380596121, now seen corresponding path program 1 times
[2022-11-02 20:14:08,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:14:08,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046165272]
[2022-11-02 20:14:08,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:14:08,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:14:08,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:14:08,574 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:14:08,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process
[2022-11-02 20:14:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:14:09,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-02 20:14:09,372 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:14:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:14:09,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:14:09,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:14:09,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046165272]
[2022-11-02 20:14:09,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046165272] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:14:09,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:14:09,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:14:09,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222460667]
[2022-11-02 20:14:09,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:14:09,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:14:09,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:14:09,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:14:09,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:14:09,708 INFO L87 Difference]: Start difference. First operand 1498 states and 2177 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:14:09,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:14:09,939 INFO L93 Difference]: Finished difference Result 2334 states and 3399 transitions.
[2022-11-02 20:14:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:14:09,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-11-02 20:14:09,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:14:09,948 INFO L225 Difference]: With dead ends: 2334
[2022-11-02 20:14:09,948 INFO L226 Difference]: Without dead ends: 2058
[2022-11-02 20:14:09,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:14:09,950 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 284 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:14:09,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 1363 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 9 Unchecked, 0.2s Time]
[2022-11-02 20:14:09,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states.
[2022-11-02 20:14:09,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 1662.
[2022-11-02 20:14:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1661 states have (on average 1.4479229379891632) internal successors, (2405), 1661 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:14:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2405 transitions.
[2022-11-02 20:14:09,993 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2405 transitions. Word has length 120
[2022-11-02 20:14:09,993 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:14:09,993 INFO L495 AbstractCegarLoop]: Abstraction has 1662 states and 2405 transitions.
[2022-11-02 20:14:09,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:14:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2405 transitions.
[2022-11-02 20:14:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-11-02 20:14:09,997 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:14:09,997 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:14:10,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0
[2022-11-02 20:14:10,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:14:10,218 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:14:10,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:14:10,219 INFO L85 PathProgramCache]: Analyzing trace with hash 308209563, now seen corresponding path program 1 times
[2022-11-02 20:14:10,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:14:10,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989549707]
[2022-11-02 20:14:10,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:14:10,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:14:10,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:14:10,221 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:14:10,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041f882-00e8-454e-a09d-213d0987cddf/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process
[2022-11-02 20:14:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:14:10,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 56 conjunts are in the unsatisfiable core
[2022-11-02 20:14:10,977 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:14:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:14:13,200 INFO L328 TraceCheckSpWp]: Computing backward predicates...