./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
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_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/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_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fb83c29fe591f537beeb8acce355ea986d79a29cfcecdcee0a9fb1725d601d1
--- 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 20:09:58,638 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:09:58,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:09:58,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:09:58,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:09:58,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:09:58,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:09:58,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:09:58,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:09:58,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:09:58,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:09:58,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:09:58,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:09:58,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:09:58,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:09:58,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:09:58,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:09:58,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:09:58,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:09:58,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:09:58,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:09:58,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:09:58,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:09:58,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:09:58,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:09:58,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:09:58,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:09:58,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:09:58,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:09:58,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:09:58,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:09:58,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:09:58,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:09:58,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:09:58,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:09:58,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:09:58,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:09:58,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:09:58,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:09:58,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:09:58,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:09:58,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 20:09:58,781 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:09:58,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:09:58,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:09:58,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:09:58,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:09:58,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:09:58,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:09:58,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:09:58,785 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:09:58,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:09:58,786 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:09:58,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:09:58,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:09:58,787 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:09:58,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:09:58,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:09:58,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:09:58,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:09:58,788 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-02 20:09:58,788 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:09:58,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:09:58,788 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:09:58,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:09:58,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:09:58,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:09:58,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:09:58,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:09:58,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:09:58,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:09:58,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:09:58,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:09:58,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:09:58,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:09:58,792 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_6a560fad-dde3-4c81-b58c-64787398de8e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fb83c29fe591f537beeb8acce355ea986d79a29cfcecdcee0a9fb1725d601d1
[2022-11-02 20:09:59,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:09:59,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:09:59,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:09:59,148 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:09:59,149 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:09:59,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-lit/qw2004-1.i
[2022-11-02 20:09:59,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/data/8a292d036/5a2607b9d5bd41a981c002e71ab3c7b9/FLAG6cd4e8e72
[2022-11-02 20:09:59,852 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:09:59,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/sv-benchmarks/c/pthread-lit/qw2004-1.i
[2022-11-02 20:09:59,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/data/8a292d036/5a2607b9d5bd41a981c002e71ab3c7b9/FLAG6cd4e8e72
[2022-11-02 20:10:00,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/data/8a292d036/5a2607b9d5bd41a981c002e71ab3c7b9
[2022-11-02 20:10:00,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:10:00,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:10:00,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:10:00,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:10:00,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:10:00,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ddd164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00, skipping insertion in model container
[2022-11-02 20:10:00,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:10:00,227 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:10:00,634 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_6a560fad-dde3-4c81-b58c-64787398de8e/sv-benchmarks/c/pthread-lit/qw2004-1.i[30003,30016]
[2022-11-02 20:10:00,662 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:10:00,676 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:10:00,740 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_6a560fad-dde3-4c81-b58c-64787398de8e/sv-benchmarks/c/pthread-lit/qw2004-1.i[30003,30016]
[2022-11-02 20:10:00,748 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:10:00,791 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:10:00,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00 WrapperNode
[2022-11-02 20:10:00,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:10:00,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:10:00,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:10:00,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:10:00,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,865 INFO L138 Inliner]: procedures = 175, calls = 23, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 104
[2022-11-02 20:10:00,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:10:00,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:10:00,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:10:00,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:10:00,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:10:00,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:10:00,918 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:10:00,918 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:10:00,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (1/1) ...
[2022-11-02 20:10:00,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:10:00,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:10:00,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:10:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:10:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop
[2022-11-02 20:10:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop
[2022-11-02 20:10:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:10:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 20:10:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:10:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:10:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:10:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:10:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 20:10:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:10:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:10:00,996 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:10:01,206 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:10:01,217 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:10:01,473 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:10:01,531 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:10:01,531 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:10:01,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:01 BoogieIcfgContainer
[2022-11-02 20:10:01,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:10:01,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:10:01,536 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:10:01,544 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:10:01,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:10:00" (1/3) ...
[2022-11-02 20:10:01,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62460adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:01, skipping insertion in model container
[2022-11-02 20:10:01,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:00" (2/3) ...
[2022-11-02 20:10:01,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62460adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:01, skipping insertion in model container
[2022-11-02 20:10:01,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:01" (3/3) ...
[2022-11-02 20:10:01,548 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-1.i
[2022-11-02 20:10:01,557 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:10:01,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:10:01,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-02 20:10:01,568 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:10:01,628 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-02 20:10:01,667 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 20:10:01,681 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 119 transitions, 243 flow
[2022-11-02 20:10:01,684 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 119 transitions, 243 flow
[2022-11-02 20:10:01,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 119 transitions, 243 flow
[2022-11-02 20:10:01,786 INFO L130 PetriNetUnfolder]: 6/118 cut-off events.
[2022-11-02 20:10:01,786 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:10:01,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 118 events. 6/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 134 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place.
[2022-11-02 20:10:01,794 INFO L118 LiptonReduction]: Number of co-enabled transitions 3904
[2022-11-02 20:10:06,754 INFO L133 LiptonReduction]: Checked pairs total: 4273
[2022-11-02 20:10:06,755 INFO L135 LiptonReduction]: Total number of compositions: 140
[2022-11-02 20:10:06,768 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 20 places, 17 transitions, 39 flow
[2022-11-02 20:10:06,784 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52 states, 38 states have (on average 2.3947368421052633) internal successors, (91), 51 states have internal predecessors, (91), 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 20:10:06,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:10:06,811 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=FINITE_AUTOMATA, 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;@72f04b43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:10:06,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2022-11-02 20:10:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 38 states have (on average 2.3947368421052633) internal successors, (91), 51 states have internal predecessors, (91), 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 20:10:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-11-02 20:10:06,819 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:06,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-11-02 20:10:06,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:06,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:06,826 INFO L85 PathProgramCache]: Analyzing trace with hash 494202, now seen corresponding path program 1 times
[2022-11-02 20:10:06,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:06,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45866990]
[2022-11-02 20:10:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:07,091 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 20:10:07,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:07,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45866990]
[2022-11-02 20:10:07,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45866990] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:07,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:07,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 20:10:07,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388452202]
[2022-11-02 20:10:07,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:07,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:10:07,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:07,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:10:07,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:10:07,132 INFO L87 Difference]: Start difference. First operand has 52 states, 38 states have (on average 2.3947368421052633) internal successors, (91), 51 states have internal predecessors, (91), 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, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 20:10:07,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:07,218 INFO L93 Difference]: Finished difference Result 38 states and 63 transitions.
[2022-11-02 20:10:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:10:07,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3
[2022-11-02 20:10:07,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:07,233 INFO L225 Difference]: With dead ends: 38
[2022-11-02 20:10:07,233 INFO L226 Difference]: Without dead ends: 38
[2022-11-02 20:10:07,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 20:10:07,239 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:07,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:10:07,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states.
[2022-11-02 20:10:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38.
[2022-11-02 20:10:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 2.1) internal successors, (63), 37 states have internal predecessors, (63), 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 20:10:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 63 transitions.
[2022-11-02 20:10:07,285 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 63 transitions. Word has length 3
[2022-11-02 20:10:07,285 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:07,285 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 63 transitions.
[2022-11-02 20:10:07,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 20:10:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions.
[2022-11-02 20:10:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 20:10:07,287 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:07,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 20:10:07,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:10:07,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:07,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:07,289 INFO L85 PathProgramCache]: Analyzing trace with hash 15320927, now seen corresponding path program 1 times
[2022-11-02 20:10:07,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:07,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288126102]
[2022-11-02 20:10:07,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:07,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:07,503 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 20:10:07,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:07,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288126102]
[2022-11-02 20:10:07,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288126102] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:07,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:07,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:10:07,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934217467]
[2022-11-02 20:10:07,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:07,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:10:07,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:07,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:10:07,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:10:07,515 INFO L87 Difference]: Start difference. First operand 38 states and 63 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:10:07,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:07,588 INFO L93 Difference]: Finished difference Result 36 states and 55 transitions.
[2022-11-02 20:10:07,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:10:07,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2022-11-02 20:10:07,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:07,591 INFO L225 Difference]: With dead ends: 36
[2022-11-02 20:10:07,591 INFO L226 Difference]: Without dead ends: 36
[2022-11-02 20:10:07,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:10:07,593 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:07,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:10:07,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2022-11-02 20:10:07,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35.
[2022-11-02 20:10:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 28 states have (on average 1.9642857142857142) internal successors, (55), 34 states have internal predecessors, (55), 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 20:10:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 55 transitions.
[2022-11-02 20:10:07,600 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 55 transitions. Word has length 4
[2022-11-02 20:10:07,600 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:07,600 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 55 transitions.
[2022-11-02 20:10:07,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:10:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions.
[2022-11-02 20:10:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 20:10:07,601 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:07,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 20:10:07,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:10:07,602 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:07,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:07,602 INFO L85 PathProgramCache]: Analyzing trace with hash 15320968, now seen corresponding path program 1 times
[2022-11-02 20:10:07,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:07,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879810397]
[2022-11-02 20:10:07,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:07,744 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 20:10:07,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:07,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879810397]
[2022-11-02 20:10:07,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879810397] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:07,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:07,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:10:07,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188927208]
[2022-11-02 20:10:07,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:07,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:10:07,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:07,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:10:07,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:10:07,747 INFO L87 Difference]: Start difference. First operand 35 states and 55 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:10:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:07,793 INFO L93 Difference]: Finished difference Result 31 states and 48 transitions.
[2022-11-02 20:10:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:10:07,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2022-11-02 20:10:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:07,794 INFO L225 Difference]: With dead ends: 31
[2022-11-02 20:10:07,794 INFO L226 Difference]: Without dead ends: 31
[2022-11-02 20:10:07,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 20:10:07,796 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:07,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:10:07,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2022-11-02 20:10:07,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27.
[2022-11-02 20:10:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.826086956521739) internal successors, (42), 26 states have internal predecessors, (42), 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 20:10:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 42 transitions.
[2022-11-02 20:10:07,801 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 42 transitions. Word has length 4
[2022-11-02 20:10:07,801 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:07,801 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 42 transitions.
[2022-11-02 20:10:07,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:10:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions.
[2022-11-02 20:10:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:10:07,802 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:07,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:10:07,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:10:07,803 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:07,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:07,804 INFO L85 PathProgramCache]: Analyzing trace with hash 474904762, now seen corresponding path program 1 times
[2022-11-02 20:10:07,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:07,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177649743]
[2022-11-02 20:10:07,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:07,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:07,867 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 20:10:07,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:07,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177649743]
[2022-11-02 20:10:07,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177649743] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:07,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:07,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:10:07,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430253741]
[2022-11-02 20:10:07,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:07,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:10:07,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:07,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:10:07,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:10:07,870 INFO L87 Difference]: Start difference. First operand 27 states and 42 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:10:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:07,897 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions.
[2022-11-02 20:10:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:10:07,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2022-11-02 20:10:07,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:07,898 INFO L225 Difference]: With dead ends: 25
[2022-11-02 20:10:07,898 INFO L226 Difference]: Without dead ends: 23
[2022-11-02 20:10:07,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 20:10:07,900 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:07,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:10:07,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2022-11-02 20:10:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2022-11-02 20:10:07,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.55) internal successors, (31), 22 states have internal predecessors, (31), 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 20:10:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions.
[2022-11-02 20:10:07,903 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 31 transitions. Word has length 5
[2022-11-02 20:10:07,904 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:07,904 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 31 transitions.
[2022-11-02 20:10:07,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:10:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions.
[2022-11-02 20:10:07,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:10:07,905 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:07,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:10:07,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:10:07,905 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:07,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:07,906 INFO L85 PathProgramCache]: Analyzing trace with hash 474903911, now seen corresponding path program 1 times
[2022-11-02 20:10:07,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:07,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911807938]
[2022-11-02 20:10:07,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:07,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:07,955 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 20:10:07,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:07,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911807938]
[2022-11-02 20:10:07,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911807938] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:07,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:07,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:10:07,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764353998]
[2022-11-02 20:10:07,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:07,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:10:07,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:07,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:10:07,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:10:07,959 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:10:07,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:07,985 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions.
[2022-11-02 20:10:07,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:10:07,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2022-11-02 20:10:07,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:07,986 INFO L225 Difference]: With dead ends: 20
[2022-11-02 20:10:07,986 INFO L226 Difference]: Without dead ends: 20
[2022-11-02 20:10:07,987 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 20:10:07,988 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:07,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:10:07,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2022-11-02 20:10:07,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2022-11-02 20:10:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 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 20:10:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions.
[2022-11-02 20:10:07,992 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 5
[2022-11-02 20:10:07,992 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:07,992 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions.
[2022-11-02 20:10:07,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:10:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions.
[2022-11-02 20:10:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:10:07,993 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:07,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:10:07,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:10:07,994 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:07,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:07,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1838530828, now seen corresponding path program 1 times
[2022-11-02 20:10:07,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:07,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000243446]
[2022-11-02 20:10:07,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:07,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:08,093 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 20:10:08,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:08,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000243446]
[2022-11-02 20:10:08,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000243446] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:08,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:08,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:10:08,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568716420]
[2022-11-02 20:10:08,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:08,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:10:08,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:08,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:10:08,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:10:08,096 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 20:10:08,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:08,133 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions.
[2022-11-02 20:10:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:10:08,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6
[2022-11-02 20:10:08,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:08,135 INFO L225 Difference]: With dead ends: 23
[2022-11-02 20:10:08,135 INFO L226 Difference]: Without dead ends: 18
[2022-11-02 20:10:08,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:10:08,136 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:08,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:10:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-11-02 20:10:08,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-11-02 20:10:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 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 20:10:08,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions.
[2022-11-02 20:10:08,139 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 6
[2022-11-02 20:10:08,140 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:08,140 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions.
[2022-11-02 20:10:08,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 20:10:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions.
[2022-11-02 20:10:08,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:10:08,141 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:08,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:10:08,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:10:08,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:08,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:08,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1837147409, now seen corresponding path program 1 times
[2022-11-02 20:10:08,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:08,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331662790]
[2022-11-02 20:10:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:08,189 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 20:10:08,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:08,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331662790]
[2022-11-02 20:10:08,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331662790] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:08,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:08,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:10:08,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599883613]
[2022-11-02 20:10:08,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:08,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:10:08,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:08,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:10:08,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:10:08,192 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:10:08,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:08,209 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions.
[2022-11-02 20:10:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:10:08,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2022-11-02 20:10:08,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:08,210 INFO L225 Difference]: With dead ends: 16
[2022-11-02 20:10:08,210 INFO L226 Difference]: Without dead ends: 14
[2022-11-02 20:10:08,210 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 20:10:08,211 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:08,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:10:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2022-11-02 20:10:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2022-11-02 20:10:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 20:10:08,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions.
[2022-11-02 20:10:08,214 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 18 transitions. Word has length 6
[2022-11-02 20:10:08,214 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:08,214 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 18 transitions.
[2022-11-02 20:10:08,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:10:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions.
[2022-11-02 20:10:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:10:08,215 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:08,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:10:08,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:10:08,216 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2022-11-02 20:10:08,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:08,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1837146988, now seen corresponding path program 2 times
[2022-11-02 20:10:08,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:08,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269983901]
[2022-11-02 20:10:08,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:08,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:08,302 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 20:10:08,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:08,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269983901]
[2022-11-02 20:10:08,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269983901] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:08,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:08,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:10:08,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501265269]
[2022-11-02 20:10:08,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:08,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:10:08,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:08,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:10:08,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:10:08,305 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 20:10:08,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:08,340 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions.
[2022-11-02 20:10:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:10:08,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 6
[2022-11-02 20:10:08,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:08,341 INFO L225 Difference]: With dead ends: 11
[2022-11-02 20:10:08,341 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:10:08,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:10:08,342 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:08,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:10:08,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:10:08,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:10:08,344 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 20:10:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:10:08,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2022-11-02 20:10:08,344 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:08,345 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:10:08,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 20:10:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:10:08,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:10:08,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 9 remaining)
[2022-11-02 20:10:08,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining)
[2022-11-02 20:10:08,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining)
[2022-11-02 20:10:08,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining)
[2022-11-02 20:10:08,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining)
[2022-11-02 20:10:08,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining)
[2022-11-02 20:10:08,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining)
[2022-11-02 20:10:08,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining)
[2022-11-02 20:10:08,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining)
[2022-11-02 20:10:08,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:10:08,356 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:10:08,363 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:10:08,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:10:08,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:10:08 BasicIcfg
[2022-11-02 20:10:08,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:10:08,372 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:10:08,372 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:10:08,373 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:10:08,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:01" (3/4) ...
[2022-11-02 20:10:08,380 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:10:08,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure BCSP_PnpStop
[2022-11-02 20:10:08,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges
[2022-11-02 20:10:08,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2022-11-02 20:10:08,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-02 20:10:08,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:10:08,448 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:10:08,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:10:08,449 INFO L158 Benchmark]: Toolchain (without parser) took 8296.65ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 74.8MB in the beginning and 69.9MB in the end (delta: 4.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB.
[2022-11-02 20:10:08,449 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:10:08,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.42ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 77.9MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:10:08,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.38ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:10:08,451 INFO L158 Benchmark]: Boogie Preprocessor took 50.73ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 74.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:10:08,451 INFO L158 Benchmark]: RCFGBuilder took 616.59ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 56.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2022-11-02 20:10:08,451 INFO L158 Benchmark]: TraceAbstraction took 6835.30ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 55.9MB in the beginning and 72.0MB in the end (delta: -16.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2022-11-02 20:10:08,452 INFO L158 Benchmark]: Witness Printer took 76.14ms. Allocated memory is still 146.8MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:10:08,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 638.42ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 77.9MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 72.38ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.73ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 74.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 616.59ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 56.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 6835.30ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 55.9MB in the beginning and 72.0MB in the end (delta: -16.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
* Witness Printer took 76.14ms. Allocated memory is still 146.8MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 5.1s, 117 PlacesBefore, 20 PlacesAfterwards, 119 TransitionsBefore, 17 TransitionsAfterwards, 3904 CoEnabledTransitionPairs, 7 FixpointIterations, 23 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 140 TotalNumberOfCompositions, 4273 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3753, positive: 3671, positive conditional: 0, positive unconditional: 3671, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2855, positive: 2815, positive conditional: 0, positive unconditional: 2815, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2855, positive: 2788, positive conditional: 0, positive unconditional: 2788, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 67, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3753, positive: 856, positive conditional: 0, positive unconditional: 856, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 2855, unknown conditional: 0, unknown unconditional: 2855] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10
- 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: 714]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 714]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 707]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 707]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 714]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 714]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 146 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 235 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 0 mSDtfsCounter, 235 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:10:08,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a560fad-dde3-4c81-b58c-64787398de8e/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