./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
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_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/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_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/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 64bit --witnessprinter.graph.data.programhash 7ec1d1d4856d24b14cb09101172e0975902985e260ca74737e781ce301d37cbb
--- 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 20:32:41,856 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:32:41,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:32:41,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:32:41,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:32:41,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:32:41,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:32:41,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:32:41,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:32:41,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:32:41,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:32:41,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:32:41,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:32:41,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:32:41,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:32:41,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:32:41,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:32:41,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:32:41,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:32:41,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:32:41,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:32:41,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:32:41,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:32:41,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:32:41,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:32:41,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:32:41,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:32:41,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:32:41,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:32:41,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:32:41,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:32:41,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:32:42,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:32:42,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:32:42,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:32:42,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:32:42,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:32:42,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:32:42,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:32:42,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:32:42,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:32:42,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2022-11-02 20:32:42,059 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:32:42,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:32:42,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:32:42,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:32:42,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:32:42,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:32:42,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:32:42,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:32:42,064 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:32:42,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:32:42,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:32:42,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:32:42,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:32:42,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:32:42,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:32:42,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:32:42,067 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-02 20:32:42,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:32:42,067 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:32:42,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:32:42,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:32:42,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:32:42,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:32:42,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:32:42,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:32:42,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:32:42,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:32:42,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:32:42,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:32:42,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:32:42,073 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_374330c4-31cb-4c69-8f19-18136e5ea62f/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ec1d1d4856d24b14cb09101172e0975902985e260ca74737e781ce301d37cbb
[2022-11-02 20:32:42,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:32:42,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:32:42,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:32:42,535 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:32:42,536 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:32:42,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c
[2022-11-02 20:32:42,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/data/ed62fd5e8/05c10ffec97d4ed4a8440815d9b209d4/FLAG785da032f
[2022-11-02 20:32:43,200 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:32:43,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/sv-benchmarks/c/termination-crafted-lit/Urban-WST2013-Fig1.c
[2022-11-02 20:32:43,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/data/ed62fd5e8/05c10ffec97d4ed4a8440815d9b209d4/FLAG785da032f
[2022-11-02 20:32:43,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/data/ed62fd5e8/05c10ffec97d4ed4a8440815d9b209d4
[2022-11-02 20:32:43,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:32:43,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:32:43,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:32:43,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:32:43,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:32:43,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bef037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43, skipping insertion in model container
[2022-11-02 20:32:43,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:32:43,588 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:32:43,823 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:32:43,834 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:32:43,846 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:32:43,857 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:32:43,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43 WrapperNode
[2022-11-02 20:32:43,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:32:43,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:32:43,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:32:43,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:32:43,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,903 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16
[2022-11-02 20:32:43,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:32:43,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:32:43,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:32:43,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:32:43,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,928 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:32:43,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:32:43,933 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:32:43,933 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:32:43,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (1/1) ...
[2022-11-02 20:32:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:32:43,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:32:43,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:32:43,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:32:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:32:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:32:44,122 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:32:44,124 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:32:44,235 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:32:44,242 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:32:44,243 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:32:44,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:44 BoogieIcfgContainer
[2022-11-02 20:32:44,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:32:44,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:32:44,248 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:32:44,252 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:32:44,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:32:43" (1/3) ...
[2022-11-02 20:32:44,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b5ffd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:44, skipping insertion in model container
[2022-11-02 20:32:44,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:43" (2/3) ...
[2022-11-02 20:32:44,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b5ffd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:44, skipping insertion in model container
[2022-11-02 20:32:44,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:44" (3/3) ...
[2022-11-02 20:32:44,257 INFO L112 eAbstractionObserver]: Analyzing ICFG Urban-WST2013-Fig1.c
[2022-11-02 20:32:44,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:32:44,282 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-11-02 20:32:44,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:32:44,349 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;@31a358f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:32:44,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-11-02 20:32:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 11 states have internal predecessors, (14), 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 20:32:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:32:44,375 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:32:44,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:32:44,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2022-11-02 20:32:44,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:32:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times
[2022-11-02 20:32:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:32:44,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934117331]
[2022-11-02 20:32:44,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:32:44,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:32:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:32:44,592 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 20:32:44,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:32:44,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934117331]
[2022-11-02 20:32:44,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934117331] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:32:44,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:32:44,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:32:44,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183563616]
[2022-11-02 20:32:44,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:32:44,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:32:44,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:32:44,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:32:44,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:32:44,650 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 11 states have internal predecessors, (14), 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 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 20:32:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:32:44,723 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions.
[2022-11-02 20:32:44,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:32:44,732 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 20:32:44,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:32:44,740 INFO L225 Difference]: With dead ends: 17
[2022-11-02 20:32:44,741 INFO L226 Difference]: Without dead ends: 8
[2022-11-02 20:32:44,744 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 20:32:44,748 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:32:44,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:32:44,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2022-11-02 20:32:44,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7.
[2022-11-02 20:32:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 20:32:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions.
[2022-11-02 20:32:44,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5
[2022-11-02 20:32:44,788 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:32:44,789 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions.
[2022-11-02 20:32:44,789 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 20:32:44,789 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions.
[2022-11-02 20:32:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:32:44,790 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:32:44,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:32:44,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:32:44,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2022-11-02 20:32:44,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:32:44,793 INFO L85 PathProgramCache]: Analyzing trace with hash 889692391, now seen corresponding path program 1 times
[2022-11-02 20:32:44,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:32:44,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503682710]
[2022-11-02 20:32:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:32:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:32:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:32:44,838 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 20:32:44,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:32:44,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503682710]
[2022-11-02 20:32:44,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503682710] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:32:44,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:32:44,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:32:44,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290394123]
[2022-11-02 20:32:44,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:32:44,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:32:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:32:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:32:44,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:32:44,844 INFO L87 Difference]: Start difference. First operand 7 states and 8 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 20:32:44,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:32:44,858 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions.
[2022-11-02 20:32:44,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:32:44,859 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 20:32:44,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:32:44,860 INFO L225 Difference]: With dead ends: 7
[2022-11-02 20:32:44,860 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:32:44,861 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 20:32:44,863 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:32:44,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:32:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:32:44,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:32:44,866 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 20:32:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:32:44,866 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2022-11-02 20:32:44,867 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:32:44,867 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:32:44,867 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 20:32:44,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:32:44,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:32:44,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2022-11-02 20:32:44,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2022-11-02 20:32:44,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:32:44,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:32:44,887 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2022-11-02 20:32:44,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:32:44,888 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2022-11-02 20:32:44,888 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2022-11-02 20:32:44,889 INFO L899 garLoopResultBuilder]: For program point L17-2(lines 17 21) no Hoare annotation was computed.
[2022-11-02 20:32:44,889 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:32:44,889 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2022-11-02 20:32:44,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:32:44,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:32:44,890 INFO L902 garLoopResultBuilder]: At program point L22(lines 14 23) the Hoare annotation is: true
[2022-11-02 20:32:44,891 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed.
[2022-11-02 20:32:44,891 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 17 21) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))
[2022-11-02 20:32:44,896 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-02 20:32:44,899 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:32:44,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:32:44 BoogieIcfgContainer
[2022-11-02 20:32:44,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:32:44,932 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:32:44,932 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:32:44,932 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:32:44,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:44" (3/4) ...
[2022-11-02 20:32:44,937 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:32:44,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:32:44,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2022-11-02 20:32:44,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:32:45,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:32:45,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:32:45,046 INFO L158 Benchmark]: Toolchain (without parser) took 1496.81ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 50.3MB in the end (delta: 26.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB.
[2022-11-02 20:32:45,047 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:32:45,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.87ms. Allocated memory is still 113.2MB. Free memory was 77.0MB in the beginning and 89.4MB in the end (delta: -12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:32:45,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.20ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 88.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:32:45,049 INFO L158 Benchmark]: Boogie Preprocessor took 26.15ms. Allocated memory is still 113.2MB. Free memory was 88.0MB in the beginning and 87.4MB in the end (delta: 625.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:32:45,050 INFO L158 Benchmark]: RCFGBuilder took 313.34ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 79.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:32:45,051 INFO L158 Benchmark]: TraceAbstraction took 683.31ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 52.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2022-11-02 20:32:45,052 INFO L158 Benchmark]: Witness Printer took 113.48ms. Allocated memory is still 113.2MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:32:45,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 305.87ms. Allocated memory is still 113.2MB. Free memory was 77.0MB in the beginning and 89.4MB in the end (delta: -12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 45.20ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 88.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.15ms. Allocated memory is still 113.2MB. Free memory was 88.0MB in the beginning and 87.4MB in the end (delta: 625.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 313.34ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 79.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 683.31ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 52.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Witness Printer took 113.48ms. Allocated memory is still 113.2MB. Free memory was 52.4MB in the beginning and 50.3MB 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: 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: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
2 specifications checked. All of them hold
- InvariantResult [Line: 14]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: 0 <= x + 2147483648
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:32:45,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_374330c4-31cb-4c69-8f19-18136e5ea62f/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