./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/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_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/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 32bit --witnessprinter.graph.data.programhash 1f02632fff6230a332a62c3e19b9c0e1537cb9f813d08c30374ad65993036a6c
--- 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 20:15:30,677 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:15:30,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:15:30,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:15:30,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:15:30,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:15:30,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:15:30,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:15:30,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:15:30,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:15:30,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:15:30,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:15:30,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:15:30,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:15:30,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:15:30,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:15:30,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:15:30,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:15:30,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:15:30,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:15:30,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:15:30,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:15:30,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:15:30,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:15:30,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:15:30,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:15:30,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:15:30,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:15:30,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:15:30,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:15:30,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:15:30,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:15:30,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:15:30,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:15:30,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:15:30,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:15:30,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:15:30,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:15:30,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:15:30,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:15:30,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:15:30,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:15:30,831 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:15:30,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:15:30,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:15:30,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:15:30,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:15:30,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:15:30,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:15:30,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:15:30,835 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:15:30,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:15:30,836 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:15:30,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:15:30,837 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:15:30,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:15:30,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:15:30,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:15:30,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:15:30,838 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:15:30,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:15:30,838 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:15:30,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:15:30,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:15:30,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:15:30,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:15:30,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:15:30,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:15:30,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:15:30,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:15:30,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:15:30,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:15:30,842 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:15:30,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:15:30,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:15:30,843 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_52f928b2-7dc3-4bfc-9047-8e6122067f4d/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f02632fff6230a332a62c3e19b9c0e1537cb9f813d08c30374ad65993036a6c
[2022-11-02 20:15:31,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:15:31,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:15:31,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:15:31,168 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:15:31,169 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:15:31,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c
[2022-11-02 20:15:31,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/data/9125523ea/6a0a921b87f74dcbbf7d3390a0c492db/FLAG536cb5645
[2022-11-02 20:15:31,872 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:15:31,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/sv-benchmarks/c/eca-rers2012/Problem01_label36.c
[2022-11-02 20:15:31,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/data/9125523ea/6a0a921b87f74dcbbf7d3390a0c492db/FLAG536cb5645
[2022-11-02 20:15:32,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/data/9125523ea/6a0a921b87f74dcbbf7d3390a0c492db
[2022-11-02 20:15:32,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:15:32,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:15:32,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:15:32,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:15:32,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:15:32,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d3c7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32, skipping insertion in model container
[2022-11-02 20:15:32,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:15:32,185 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:15:32,544 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_52f928b2-7dc3-4bfc-9047-8e6122067f4d/sv-benchmarks/c/eca-rers2012/Problem01_label36.c[18233,18246]
[2022-11-02 20:15:32,572 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:15:32,580 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:15:32,687 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_52f928b2-7dc3-4bfc-9047-8e6122067f4d/sv-benchmarks/c/eca-rers2012/Problem01_label36.c[18233,18246]
[2022-11-02 20:15:32,699 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:15:32,726 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:15:32,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32 WrapperNode
[2022-11-02 20:15:32,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:15:32,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:15:32,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:15:32,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:15:32,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,830 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657
[2022-11-02 20:15:32,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:15:32,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:15:32,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:15:32,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:15:32,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:15:32,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:15:32,932 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:15:32,932 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:15:32,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (1/1) ...
[2022-11-02 20:15:32,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:15:32,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:15:32,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:15:32,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:15:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:15:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:15:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:15:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:15:33,132 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:15:33,135 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:15:34,245 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:15:34,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:15:34,254 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:15:34,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:34 BoogieIcfgContainer
[2022-11-02 20:15:34,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:15:34,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:15:34,259 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:15:34,263 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:15:34,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:15:32" (1/3) ...
[2022-11-02 20:15:34,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6784fb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:15:34, skipping insertion in model container
[2022-11-02 20:15:34,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:32" (2/3) ...
[2022-11-02 20:15:34,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6784fb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:15:34, skipping insertion in model container
[2022-11-02 20:15:34,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:34" (3/3) ...
[2022-11-02 20:15:34,267 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label36.c
[2022-11-02 20:15:34,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:15:34,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:15:34,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:15:34,353 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;@4bd78ebe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:15:34,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:15:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 20:15:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2022-11-02 20:15:34,370 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:34,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:34,371 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:34,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:34,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2059373479, now seen corresponding path program 1 times
[2022-11-02 20:15:34,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:34,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199591015]
[2022-11-02 20:15:34,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:34,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:35,077 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 20:15:35,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:35,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199591015]
[2022-11-02 20:15:35,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199591015] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:35,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:35,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:15:35,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078708157]
[2022-11-02 20:15:35,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:35,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:35,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:35,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:35,125 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 20:15:35,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:35,957 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions.
[2022-11-02 20:15:35,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:35,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 102
[2022-11-02 20:15:35,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:35,985 INFO L225 Difference]: With dead ends: 528
[2022-11-02 20:15:35,986 INFO L226 Difference]: Without dead ends: 266
[2022-11-02 20:15:35,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:35,997 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 70 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:35,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 84 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:15:36,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2022-11-02 20:15:36,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266.
[2022-11-02 20:15:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 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 20:15:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions.
[2022-11-02 20:15:36,054 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 102
[2022-11-02 20:15:36,054 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:36,054 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions.
[2022-11-02 20:15:36,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 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 20:15:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions.
[2022-11-02 20:15:36,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2022-11-02 20:15:36,058 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:36,058 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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]
[2022-11-02 20:15:36,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:15:36,059 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:36,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:36,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1045586682, now seen corresponding path program 1 times
[2022-11-02 20:15:36,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:36,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992938209]
[2022-11-02 20:15:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:15:36,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:36,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992938209]
[2022-11-02 20:15:36,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992938209] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:36,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:36,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:15:36,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805971393]
[2022-11-02 20:15:36,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:36,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:36,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:36,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:36,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:36,170 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 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 20:15:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:36,637 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions.
[2022-11-02 20:15:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:36,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 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 108
[2022-11-02 20:15:36,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:36,641 INFO L225 Difference]: With dead ends: 792
[2022-11-02 20:15:36,642 INFO L226 Difference]: Without dead ends: 528
[2022-11-02 20:15:36,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:36,650 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:36,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 36 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:36,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states.
[2022-11-02 20:15:36,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528.
[2022-11-02 20:15:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3453510436432639) internal successors, (709), 527 states have internal predecessors, (709), 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 20:15:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions.
[2022-11-02 20:15:36,706 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 108
[2022-11-02 20:15:36,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:36,709 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions.
[2022-11-02 20:15:36,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 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 20:15:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions.
[2022-11-02 20:15:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2022-11-02 20:15:36,719 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:36,719 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:36,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:15:36,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:36,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1471586822, now seen corresponding path program 1 times
[2022-11-02 20:15:36,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:36,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132359625]
[2022-11-02 20:15:36,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:36,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:15:37,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:37,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132359625]
[2022-11-02 20:15:37,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132359625] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:37,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:37,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:15:37,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042978045]
[2022-11-02 20:15:37,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:37,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:15:37,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:37,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:15:37,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:37,301 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 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 20:15:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:38,097 INFO L93 Difference]: Finished difference Result 1411 states and 1882 transitions.
[2022-11-02 20:15:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:15:38,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 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 109
[2022-11-02 20:15:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:38,101 INFO L225 Difference]: With dead ends: 1411
[2022-11-02 20:15:38,101 INFO L226 Difference]: Without dead ends: 790
[2022-11-02 20:15:38,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:38,103 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 130 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:38,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 81 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:15:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states.
[2022-11-02 20:15:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790.
[2022-11-02 20:15:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.1634980988593155) internal successors, (918), 789 states have internal predecessors, (918), 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 20:15:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 918 transitions.
[2022-11-02 20:15:38,126 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 918 transitions. Word has length 109
[2022-11-02 20:15:38,126 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:38,126 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 918 transitions.
[2022-11-02 20:15:38,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 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 20:15:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 918 transitions.
[2022-11-02 20:15:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2022-11-02 20:15:38,130 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:38,130 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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]
[2022-11-02 20:15:38,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:15:38,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:38,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:38,132 INFO L85 PathProgramCache]: Analyzing trace with hash -157225395, now seen corresponding path program 1 times
[2022-11-02 20:15:38,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:38,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687568165]
[2022-11-02 20:15:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:38,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:15:38,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:38,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687568165]
[2022-11-02 20:15:38,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687568165] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:38,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:38,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:15:38,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677869103]
[2022-11-02 20:15:38,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:38,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:38,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:38,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:38,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:38,307 INFO L87 Difference]: Start difference. First operand 790 states and 918 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 20:15:38,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:38,696 INFO L93 Difference]: Finished difference Result 1578 states and 1859 transitions.
[2022-11-02 20:15:38,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:38,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 114
[2022-11-02 20:15:38,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:38,700 INFO L225 Difference]: With dead ends: 1578
[2022-11-02 20:15:38,701 INFO L226 Difference]: Without dead ends: 921
[2022-11-02 20:15:38,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:38,703 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 129 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:38,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 45 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:38,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states.
[2022-11-02 20:15:38,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921.
[2022-11-02 20:15:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1532608695652173) internal successors, (1061), 920 states have internal predecessors, (1061), 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 20:15:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1061 transitions.
[2022-11-02 20:15:38,727 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1061 transitions. Word has length 114
[2022-11-02 20:15:38,727 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:38,727 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1061 transitions.
[2022-11-02 20:15:38,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 20:15:38,728 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1061 transitions.
[2022-11-02 20:15:38,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2022-11-02 20:15:38,730 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:38,730 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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]
[2022-11-02 20:15:38,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:15:38,730 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:38,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:38,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1991466069, now seen corresponding path program 1 times
[2022-11-02 20:15:38,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:38,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820494001]
[2022-11-02 20:15:38,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:38,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-11-02 20:15:38,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:38,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820494001]
[2022-11-02 20:15:38,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820494001] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:38,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:38,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:15:38,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988988785]
[2022-11-02 20:15:38,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:38,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:38,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:38,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:38,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:38,928 INFO L87 Difference]: Start difference. First operand 921 states and 1061 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 20:15:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:39,348 INFO L93 Difference]: Finished difference Result 2364 states and 2732 transitions.
[2022-11-02 20:15:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:39,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 123
[2022-11-02 20:15:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:39,354 INFO L225 Difference]: With dead ends: 2364
[2022-11-02 20:15:39,354 INFO L226 Difference]: Without dead ends: 1576
[2022-11-02 20:15:39,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:39,357 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 135 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:39,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 19 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:39,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states.
[2022-11-02 20:15:39,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1183.
[2022-11-02 20:15:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.1505922165820643) internal successors, (1360), 1182 states have internal predecessors, (1360), 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 20:15:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1360 transitions.
[2022-11-02 20:15:39,392 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1360 transitions. Word has length 123
[2022-11-02 20:15:39,392 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:39,393 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1360 transitions.
[2022-11-02 20:15:39,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 20:15:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1360 transitions.
[2022-11-02 20:15:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2022-11-02 20:15:39,400 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:39,400 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:39,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:15:39,401 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:39,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:39,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1453681636, now seen corresponding path program 1 times
[2022-11-02 20:15:39,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:39,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802421817]
[2022-11-02 20:15:39,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:15:39,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:39,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802421817]
[2022-11-02 20:15:39,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802421817] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:39,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:39,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:15:39,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958097132]
[2022-11-02 20:15:39,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:39,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:15:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:39,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:15:39,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:39,596 INFO L87 Difference]: Start difference. First operand 1183 states and 1360 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 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 20:15:40,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:40,252 INFO L93 Difference]: Finished difference Result 2495 states and 2925 transitions.
[2022-11-02 20:15:40,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:15:40,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 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 129
[2022-11-02 20:15:40,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:40,257 INFO L225 Difference]: With dead ends: 2495
[2022-11-02 20:15:40,257 INFO L226 Difference]: Without dead ends: 1445
[2022-11-02 20:15:40,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:40,260 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 262 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:40,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 34 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:15:40,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states.
[2022-11-02 20:15:40,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445.
[2022-11-02 20:15:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.144736842105263) internal successors, (1653), 1444 states have internal predecessors, (1653), 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 20:15:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1653 transitions.
[2022-11-02 20:15:40,292 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1653 transitions. Word has length 129
[2022-11-02 20:15:40,292 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:40,292 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 1653 transitions.
[2022-11-02 20:15:40,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 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 20:15:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1653 transitions.
[2022-11-02 20:15:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2022-11-02 20:15:40,296 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:40,296 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:40,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:15:40,296 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:40,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:40,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1636914809, now seen corresponding path program 1 times
[2022-11-02 20:15:40,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:40,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641824808]
[2022-11-02 20:15:40,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:40,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-11-02 20:15:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:40,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641824808]
[2022-11-02 20:15:40,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641824808] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:40,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:40,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:15:40,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693186725]
[2022-11-02 20:15:40,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:40,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:15:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:40,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:15:40,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:40,606 INFO L87 Difference]: Start difference. First operand 1445 states and 1653 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 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 20:15:41,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:41,253 INFO L93 Difference]: Finished difference Result 3281 states and 3775 transitions.
[2022-11-02 20:15:41,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:15:41,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 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 143
[2022-11-02 20:15:41,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:41,261 INFO L225 Difference]: With dead ends: 3281
[2022-11-02 20:15:41,261 INFO L226 Difference]: Without dead ends: 1969
[2022-11-02 20:15:41,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:41,266 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 371 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:41,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 42 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:15:41,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states.
[2022-11-02 20:15:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838.
[2022-11-02 20:15:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.136091453456723) internal successors, (2087), 1837 states have internal predecessors, (2087), 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 20:15:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2087 transitions.
[2022-11-02 20:15:41,307 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2087 transitions. Word has length 143
[2022-11-02 20:15:41,307 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:41,307 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2087 transitions.
[2022-11-02 20:15:41,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 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 20:15:41,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2087 transitions.
[2022-11-02 20:15:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2022-11-02 20:15:41,311 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:41,311 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:41,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:15:41,312 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:41,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:41,312 INFO L85 PathProgramCache]: Analyzing trace with hash -359253316, now seen corresponding path program 1 times
[2022-11-02 20:15:41,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:41,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876432424]
[2022-11-02 20:15:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:41,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-11-02 20:15:41,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:41,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876432424]
[2022-11-02 20:15:41,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876432424] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:41,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:41,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:15:41,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156817338]
[2022-11-02 20:15:41,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:41,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:15:41,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:41,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:15:41,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:41,585 INFO L87 Difference]: Start difference. First operand 1838 states and 2087 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 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 20:15:42,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:42,197 INFO L93 Difference]: Finished difference Result 3805 states and 4312 transitions.
[2022-11-02 20:15:42,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:15:42,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 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 160
[2022-11-02 20:15:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:42,204 INFO L225 Difference]: With dead ends: 3805
[2022-11-02 20:15:42,204 INFO L226 Difference]: Without dead ends: 2100
[2022-11-02 20:15:42,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:15:42,207 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 275 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:42,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 33 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:15:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states.
[2022-11-02 20:15:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838.
[2022-11-02 20:15:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1295590636908002) internal successors, (2075), 1837 states have internal predecessors, (2075), 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 20:15:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2075 transitions.
[2022-11-02 20:15:42,267 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2075 transitions. Word has length 160
[2022-11-02 20:15:42,268 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:42,268 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2075 transitions.
[2022-11-02 20:15:42,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 3 states have internal predecessors, (153), 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 20:15:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2075 transitions.
[2022-11-02 20:15:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204
[2022-11-02 20:15:42,272 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:42,273 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:42,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:15:42,273 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:42,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:42,274 INFO L85 PathProgramCache]: Analyzing trace with hash 21711964, now seen corresponding path program 1 times
[2022-11-02 20:15:42,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:42,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331070293]
[2022-11-02 20:15:42,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:42,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2022-11-02 20:15:42,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:42,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331070293]
[2022-11-02 20:15:42,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331070293] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:42,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:15:42,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:15:42,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063703029]
[2022-11-02 20:15:42,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:42,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:42,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:42,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:42,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:42,546 INFO L87 Difference]: Start difference. First operand 1838 states and 2075 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 20:15:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:42,975 INFO L93 Difference]: Finished difference Result 3936 states and 4452 transitions.
[2022-11-02 20:15:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:42,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 203
[2022-11-02 20:15:42,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:42,983 INFO L225 Difference]: With dead ends: 3936
[2022-11-02 20:15:42,983 INFO L226 Difference]: Without dead ends: 2231
[2022-11-02 20:15:42,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:15:42,986 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 86 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:42,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 180 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:42,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states.
[2022-11-02 20:15:43,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2100.
[2022-11-02 20:15:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.120057170080991) internal successors, (2351), 2099 states have internal predecessors, (2351), 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 20:15:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2351 transitions.
[2022-11-02 20:15:43,034 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2351 transitions. Word has length 203
[2022-11-02 20:15:43,035 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:43,035 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2351 transitions.
[2022-11-02 20:15:43,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 20:15:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2351 transitions.
[2022-11-02 20:15:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207
[2022-11-02 20:15:43,040 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:43,040 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:43,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:15:43,040 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:43,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash -908217879, now seen corresponding path program 1 times
[2022-11-02 20:15:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:43,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401719842]
[2022-11-02 20:15:43,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 57 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:15:43,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:43,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401719842]
[2022-11-02 20:15:43,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401719842] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:15:43,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599351462]
[2022-11-02 20:15:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:43,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:15:43,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:15:43,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:15:43,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:15:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:43,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:15:43,863 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:15:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2022-11-02 20:15:44,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:15:44,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599351462] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:44,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:15:44,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2022-11-02 20:15:44,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489316891]
[2022-11-02 20:15:44,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:44,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:44,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:44,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:44,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:15:44,299 INFO L87 Difference]: Start difference. First operand 2100 states and 2351 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 20:15:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:44,714 INFO L93 Difference]: Finished difference Result 4198 states and 4700 transitions.
[2022-11-02 20:15:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:44,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 206
[2022-11-02 20:15:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:44,721 INFO L225 Difference]: With dead ends: 4198
[2022-11-02 20:15:44,722 INFO L226 Difference]: Without dead ends: 2100
[2022-11-02 20:15:44,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:15:44,725 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 42 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:44,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 170 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:44,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states.
[2022-11-02 20:15:44,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969.
[2022-11-02 20:15:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.100609756097561) internal successors, (2166), 1968 states have internal predecessors, (2166), 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 20:15:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2166 transitions.
[2022-11-02 20:15:44,767 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2166 transitions. Word has length 206
[2022-11-02 20:15:44,768 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:44,768 INFO L495 AbstractCegarLoop]: Abstraction has 1969 states and 2166 transitions.
[2022-11-02 20:15:44,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 20:15:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2166 transitions.
[2022-11-02 20:15:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226
[2022-11-02 20:15:44,773 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:44,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:44,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:15:44,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-11-02 20:15:44,989 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:44,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:44,989 INFO L85 PathProgramCache]: Analyzing trace with hash -737855579, now seen corresponding path program 1 times
[2022-11-02 20:15:44,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:44,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339065779]
[2022-11-02 20:15:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:44,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 64 proven. 119 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2022-11-02 20:15:45,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:45,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339065779]
[2022-11-02 20:15:45,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339065779] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:15:45,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721070399]
[2022-11-02 20:15:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:15:45,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:15:45,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:15:45,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-02 20:15:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:45,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:15:45,734 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:15:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked.
[2022-11-02 20:15:45,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:15:45,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721070399] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:45,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:15:45,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-02 20:15:45,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8886751]
[2022-11-02 20:15:45,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:45,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:45,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:45,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:45,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:15:45,892 INFO L87 Difference]: Start difference. First operand 1969 states and 2166 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 20:15:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:46,339 INFO L93 Difference]: Finished difference Result 4329 states and 4757 transitions.
[2022-11-02 20:15:46,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:46,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 225
[2022-11-02 20:15:46,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:46,347 INFO L225 Difference]: With dead ends: 4329
[2022-11-02 20:15:46,347 INFO L226 Difference]: Without dead ends: 2231
[2022-11-02 20:15:46,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:15:46,350 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 32 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:46,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 184 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:46,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states.
[2022-11-02 20:15:46,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2100.
[2022-11-02 20:15:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.0809909480705098) internal successors, (2269), 2099 states have internal predecessors, (2269), 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 20:15:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2269 transitions.
[2022-11-02 20:15:46,404 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2269 transitions. Word has length 225
[2022-11-02 20:15:46,404 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:46,404 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2269 transitions.
[2022-11-02 20:15:46,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 20:15:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2269 transitions.
[2022-11-02 20:15:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2022-11-02 20:15:46,409 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:46,410 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:46,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:15:46,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:15:46,625 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:46,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:46,625 INFO L85 PathProgramCache]: Analyzing trace with hash 326532960, now seen corresponding path program 1 times
[2022-11-02 20:15:46,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:46,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247857823]
[2022-11-02 20:15:46,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:46,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 67 proven. 122 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2022-11-02 20:15:47,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:47,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247857823]
[2022-11-02 20:15:47,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247857823] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:15:47,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654029389]
[2022-11-02 20:15:47,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:47,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:15:47,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:15:47,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:15:47,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-02 20:15:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:47,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:15:47,168 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:15:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked.
[2022-11-02 20:15:47,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:15:47,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654029389] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:47,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:15:47,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2022-11-02 20:15:47,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307465957]
[2022-11-02 20:15:47,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:47,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:47,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:47,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:47,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:15:47,312 INFO L87 Difference]: Start difference. First operand 2100 states and 2269 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 20:15:47,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:47,721 INFO L93 Difference]: Finished difference Result 4198 states and 4536 transitions.
[2022-11-02 20:15:47,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:47,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 228
[2022-11-02 20:15:47,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:47,728 INFO L225 Difference]: With dead ends: 4198
[2022-11-02 20:15:47,728 INFO L226 Difference]: Without dead ends: 2100
[2022-11-02 20:15:47,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:15:47,731 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 38 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:47,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 172 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:47,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states.
[2022-11-02 20:15:47,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838.
[2022-11-02 20:15:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.0620577027762657) internal successors, (1951), 1837 states have internal predecessors, (1951), 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 20:15:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1951 transitions.
[2022-11-02 20:15:47,787 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1951 transitions. Word has length 228
[2022-11-02 20:15:47,788 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:47,788 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 1951 transitions.
[2022-11-02 20:15:47,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 20:15:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1951 transitions.
[2022-11-02 20:15:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2022-11-02 20:15:47,794 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:15:47,794 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:15:47,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:15:48,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-11-02 20:15:48,009 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:15:48,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:15:48,009 INFO L85 PathProgramCache]: Analyzing trace with hash -799899186, now seen corresponding path program 1 times
[2022-11-02 20:15:48,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:15:48,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33942762]
[2022-11-02 20:15:48,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:48,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:15:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 86 proven. 141 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2022-11-02 20:15:48,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:15:48,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33942762]
[2022-11-02 20:15:48,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33942762] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:15:48,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226822177]
[2022-11-02 20:15:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:15:48,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:15:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:15:48,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:15:48,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-11-02 20:15:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:15:48,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:15:48,748 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:15:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked.
[2022-11-02 20:15:48,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:15:48,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226822177] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:15:48,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:15:48,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-02 20:15:48,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113468591]
[2022-11-02 20:15:48,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:15:48,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:15:48,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:15:48,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:15:48,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:15:48,902 INFO L87 Difference]: Start difference. First operand 1838 states and 1951 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 20:15:49,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:15:49,319 INFO L93 Difference]: Finished difference Result 2231 states and 2360 transitions.
[2022-11-02 20:15:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:15:49,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 247
[2022-11-02 20:15:49,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:15:49,321 INFO L225 Difference]: With dead ends: 2231
[2022-11-02 20:15:49,321 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:15:49,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:15:49,324 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 54 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:15:49,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 27 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:15:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:15:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:15:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:15:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:15:49,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247
[2022-11-02 20:15:49,326 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:15:49,326 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:15:49,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 20:15:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:15:49,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:15:49,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:15:49,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-11-02 20:15:49,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2022-11-02 20:15:49,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:15:50,260 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed.
[2022-11-02 20:15:50,260 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed.
[2022-11-02 20:15:50,260 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed.
[2022-11-02 20:15:50,261 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed.
[2022-11-02 20:15:50,261 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed.
[2022-11-02 20:15:50,261 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,261 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed.
[2022-11-02 20:15:50,261 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,261 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,261 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed.
[2022-11-02 20:15:50,262 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,263 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,264 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,265 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,265 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed.
[2022-11-02 20:15:50,265 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed.
[2022-11-02 20:15:50,265 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed.
[2022-11-02 20:15:50,265 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed.
[2022-11-02 20:15:50,265 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed.
[2022-11-02 20:15:50,266 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed.
[2022-11-02 20:15:50,266 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,266 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,266 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,266 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,266 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,266 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,267 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,267 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,267 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,267 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,267 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,267 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,268 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,268 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed.
[2022-11-02 20:15:50,268 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed.
[2022-11-02 20:15:50,268 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed.
[2022-11-02 20:15:50,268 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed.
[2022-11-02 20:15:50,268 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed.
[2022-11-02 20:15:50,268 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed.
[2022-11-02 20:15:50,269 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,269 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,269 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,269 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,269 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,269 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,270 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,270 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,270 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,270 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,270 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,270 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,270 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,271 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed.
[2022-11-02 20:15:50,271 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed.
[2022-11-02 20:15:50,271 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed.
[2022-11-02 20:15:50,271 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed.
[2022-11-02 20:15:50,271 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed.
[2022-11-02 20:15:50,271 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed.
[2022-11-02 20:15:50,272 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,272 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,272 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,272 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,272 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,272 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,272 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,273 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,273 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,273 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,273 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed.
[2022-11-02 20:15:50,273 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed.
[2022-11-02 20:15:50,273 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed.
[2022-11-02 20:15:50,274 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed.
[2022-11-02 20:15:50,274 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed.
[2022-11-02 20:15:50,274 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed.
[2022-11-02 20:15:50,274 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,274 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,274 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,274 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,275 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,275 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,275 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed.
[2022-11-02 20:15:50,275 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,275 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,275 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,276 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,276 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:15:50,276 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,276 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,276 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed.
[2022-11-02 20:15:50,276 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed.
[2022-11-02 20:15:50,277 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed.
[2022-11-02 20:15:50,277 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed.
[2022-11-02 20:15:50,277 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed.
[2022-11-02 20:15:50,277 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed.
[2022-11-02 20:15:50,277 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,278 INFO L895 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse6 (<= 15 ~a8~0)) (.cse8 (<= 14 ~a8~0)) (.cse0 (<= ~a21~0 0)) (.cse4 (= ~a16~0 6)) (.cse7 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse3 (<= ~a20~0 0)) (.cse5 (= ~a21~0 1)) (.cse9 (<= ~a16~0 5)) (.cse1 (<= ~a16~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse5 .cse2 .cse6) (and .cse0 .cse7 .cse2) (and .cse3 .cse0 .cse7 .cse1) (and .cse3 .cse8 .cse5 .cse9) (and .cse8 .cse5 .cse9 .cse2) (and .cse4 .cse0 .cse2) (and .cse5 .cse1 .cse2) (and (= ~a12~0 8) .cse4 .cse5 .cse7 .cse2) (and .cse3 .cse5 .cse9 .cse1)))
[2022-11-02 20:15:50,278 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,278 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,278 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,279 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,279 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,279 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,279 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed.
[2022-11-02 20:15:50,279 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed.
[2022-11-02 20:15:50,279 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed.
[2022-11-02 20:15:50,279 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed.
[2022-11-02 20:15:50,280 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed.
[2022-11-02 20:15:50,280 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,280 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,280 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,280 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,280 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,281 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:15:50,281 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,281 INFO L902 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true
[2022-11-02 20:15:50,281 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,281 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,281 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,282 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,282 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,282 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,282 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,282 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,282 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed.
[2022-11-02 20:15:50,282 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed.
[2022-11-02 20:15:50,283 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed.
[2022-11-02 20:15:50,283 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed.
[2022-11-02 20:15:50,283 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed.
[2022-11-02 20:15:50,283 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:15:50,283 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,284 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,284 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,284 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,284 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,284 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,284 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,284 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,285 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed.
[2022-11-02 20:15:50,285 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed.
[2022-11-02 20:15:50,285 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed.
[2022-11-02 20:15:50,285 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed.
[2022-11-02 20:15:50,285 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed.
[2022-11-02 20:15:50,285 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,285 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,286 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,286 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,286 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,286 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,286 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,287 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse6 (<= 15 ~a8~0)) (.cse8 (<= 14 ~a8~0)) (.cse0 (<= ~a21~0 0)) (.cse4 (= ~a16~0 6)) (.cse7 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse3 (<= ~a20~0 0)) (.cse5 (= ~a21~0 1)) (.cse9 (<= ~a16~0 5)) (.cse1 (<= ~a16~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse5 .cse2 .cse6) (and .cse0 .cse7 .cse2) (and .cse3 .cse0 .cse7 .cse1) (and .cse3 .cse8 .cse5 .cse9) (and .cse8 .cse5 .cse9 .cse2) (and .cse4 .cse0 .cse2) (and .cse5 .cse1 .cse2) (and (= ~a12~0 8) .cse4 .cse5 .cse7 .cse2) (and .cse3 .cse5 .cse9 .cse1)))
[2022-11-02 20:15:50,287 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,287 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,287 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,287 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,287 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,288 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:15:50,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 492) no Hoare annotation was computed.
[2022-11-02 20:15:50,288 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed.
[2022-11-02 20:15:50,288 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed.
[2022-11-02 20:15:50,288 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed.
[2022-11-02 20:15:50,288 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed.
[2022-11-02 20:15:50,289 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed.
[2022-11-02 20:15:50,289 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,289 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,289 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,289 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,289 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,290 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,290 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed.
[2022-11-02 20:15:50,290 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,290 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,290 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,290 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed.
[2022-11-02 20:15:50,294 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:15:50,296 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:15:50,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:15:50 BoogieIcfgContainer
[2022-11-02 20:15:50,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:15:50,328 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:15:50,328 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:15:50,329 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:15:50,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:34" (3/4) ...
[2022-11-02 20:15:50,332 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:15:50,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:15:50,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:15:50,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:15:50,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:15:50,486 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:15:50,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:15:50,487 INFO L158 Benchmark]: Toolchain (without parser) took 18358.86ms. Allocated memory was 113.2MB in the beginning and 308.3MB in the end (delta: 195.0MB). Free memory was 76.2MB in the beginning and 211.5MB in the end (delta: -135.3MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB.
[2022-11-02 20:15:50,487 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 85.3MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:15:50,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.01ms. Allocated memory is still 113.2MB. Free memory was 76.0MB in the beginning and 70.9MB in the end (delta: 5.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:15:50,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.02ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 64.7MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:15:50,489 INFO L158 Benchmark]: Boogie Preprocessor took 89.01ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 60.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:15:50,489 INFO L158 Benchmark]: RCFGBuilder took 1326.70ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 60.5MB in the beginning and 65.9MB in the end (delta: -5.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2022-11-02 20:15:50,490 INFO L158 Benchmark]: TraceAbstraction took 16068.62ms. Allocated memory was 144.7MB in the beginning and 308.3MB in the end (delta: 163.6MB). Free memory was 64.9MB in the beginning and 221.2MB in the end (delta: -156.3MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB.
[2022-11-02 20:15:50,490 INFO L158 Benchmark]: Witness Printer took 158.09ms. Allocated memory is still 308.3MB. Free memory was 221.2MB in the beginning and 211.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:15:50,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 85.3MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 596.01ms. Allocated memory is still 113.2MB. Free memory was 76.0MB in the beginning and 70.9MB in the end (delta: 5.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 112.02ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 64.7MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 89.01ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 60.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1326.70ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 60.5MB in the beginning and 65.9MB in the end (delta: -5.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 16068.62ms. Allocated memory was 144.7MB in the beginning and 308.3MB in the end (delta: 163.6MB). Free memory was 64.9MB in the beginning and 221.2MB in the end (delta: -156.3MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB.
* Witness Printer took 158.09ms. Allocated memory is still 308.3MB. Free memory was 221.2MB in the beginning and 211.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 492]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1766 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1766 mSDsluCounter, 1107 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 716 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4841 IncrementalHoareTripleChecker+Invalid, 5557 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 716 mSolverCounterUnsat, 1024 mSDtfsCounter, 4841 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 914 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2100occurred in iteration=9, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1441 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 265 HoareAnnotationTreeSize, 3 FomulaSimplifications, 184 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1950 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 3003 NumberOfCodeBlocks, 3003 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2986 ConstructedInterpolants, 0 QuantifiedInterpolants, 15197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1663 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 1632/2112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 593]: Loop Invariant
Derived loop invariant: (((((((((((a21 <= 0 && a16 <= 4) && a20 == 1) || (((a20 <= 0 && a16 == 6) && a21 == 1) && 15 <= a8)) || ((a21 == 1 && a20 == 1) && 15 <= a8)) || ((a21 <= 0 && a17 == 1) && a20 == 1)) || (((a20 <= 0 && a21 <= 0) && a17 == 1) && a16 <= 4)) || (((a20 <= 0 && 14 <= a8) && a21 == 1) && a16 <= 5)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a16 == 6 && a21 <= 0) && a20 == 1)) || ((a21 == 1 && a16 <= 4) && a20 == 1)) || ((((a12 == 8 && a16 == 6) && a21 == 1) && a17 == 1) && a20 == 1)) || (((a20 <= 0 && a21 == 1) && a16 <= 5) && a16 <= 4)
- InvariantResult [Line: 587]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 40]: Loop Invariant
Derived loop invariant: (((((((((((a21 <= 0 && a16 <= 4) && a20 == 1) || (((a20 <= 0 && a16 == 6) && a21 == 1) && 15 <= a8)) || ((a21 == 1 && a20 == 1) && 15 <= a8)) || ((a21 <= 0 && a17 == 1) && a20 == 1)) || (((a20 <= 0 && a21 <= 0) && a17 == 1) && a16 <= 4)) || (((a20 <= 0 && 14 <= a8) && a21 == 1) && a16 <= 5)) || (((14 <= a8 && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a16 == 6 && a21 <= 0) && a20 == 1)) || ((a21 == 1 && a16 <= 4) && a20 == 1)) || ((((a12 == 8 && a16 == 6) && a21 == 1) && a17 == 1) && a20 == 1)) || (((a20 <= 0 && a21 == 1) && a16 <= 5) && a16 <= 4)
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:15:50,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f928b2-7dc3-4bfc-9047-8e6122067f4d/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
Writing output log to file Ultimate.log
Result:
TRUE