./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condgf.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/condgf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6e9c50b7debf63002c3de8c5fbbc063838f4d20677e88c6b86a62b1ad965f5f
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:33:58,501 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:33:58,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:33:58,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:33:58,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:33:58,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:33:58,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:33:58,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:33:58,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:33:58,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:33:58,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:33:58,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:33:58,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:33:58,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:33:58,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:33:58,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:33:58,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:33:58,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:33:58,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:33:58,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:33:58,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:33:58,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:33:58,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:33:58,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:33:58,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:33:58,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:33:58,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:33:58,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:33:58,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:33:58,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:33:58,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:33:58,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:33:58,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:33:58,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:33:58,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:33:58,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:33:58,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:33:58,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:33:58,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:33:58,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:33:58,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:33:58,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:33:58,768 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:33:58,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:33:58,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:33:58,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:33:58,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:33:58,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:33:58,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:33:58,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:33:58,773 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:33:58,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:33:58,775 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:33:58,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:33:58,776 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:33:58,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:33:58,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:33:58,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:33:58,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:33:58,778 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:33:58,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:33:58,779 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:33:58,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:33:58,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:33:58,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:33:58,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:33:58,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:33:58,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:33:58,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:33:58,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:33:58,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:33:58,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:33:58,785 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:33:58,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:33:58,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:33:58,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:33:58,787 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_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6e9c50b7debf63002c3de8c5fbbc063838f4d20677e88c6b86a62b1ad965f5f
[2021-11-13 18:33:59,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:33:59,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:33:59,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:33:59,192 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:33:59,193 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:33:59,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-fpi/condgf.c
[2021-11-13 18:33:59,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/data/b5917fdd1/9a557c5c5cd04a38b6c97f802d037ab1/FLAG8c93bb4f7
[2021-11-13 18:34:00,031 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:34:00,032 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/sv-benchmarks/c/array-fpi/condgf.c
[2021-11-13 18:34:00,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/data/b5917fdd1/9a557c5c5cd04a38b6c97f802d037ab1/FLAG8c93bb4f7
[2021-11-13 18:34:00,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/data/b5917fdd1/9a557c5c5cd04a38b6c97f802d037ab1
[2021-11-13 18:34:00,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:34:00,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:34:00,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:34:00,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:34:00,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:34:00,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e14b00f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00, skipping insertion in model container
[2021-11-13 18:34:00,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:34:00,437 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:34:00,670 WARN L228 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_bb1f8891-2f39-40fa-af15-a9b71186aa43/sv-benchmarks/c/array-fpi/condgf.c[589,602]
[2021-11-13 18:34:00,694 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:34:00,705 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:34:00,721 WARN L228 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_bb1f8891-2f39-40fa-af15-a9b71186aa43/sv-benchmarks/c/array-fpi/condgf.c[589,602]
[2021-11-13 18:34:00,734 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:34:00,752 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:34:00,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00 WrapperNode
[2021-11-13 18:34:00,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:34:00,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:34:00,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:34:00,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:34:00,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:34:00,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:34:00,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:34:00,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:34:00,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:34:00,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:34:00,839 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:34:00,839 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:34:00,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (1/1) ...
[2021-11-13 18:34:00,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:34:00,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:34:00,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:34:00,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:34:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:34:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:34:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:34:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:34:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:34:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:34:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:34:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:34:01,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:34:01,279 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-11-13 18:34:01,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:34:01 BoogieIcfgContainer
[2021-11-13 18:34:01,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:34:01,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:34:01,299 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:34:01,315 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:34:01,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:34:00" (1/3) ...
[2021-11-13 18:34:01,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f2556c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:34:01, skipping insertion in model container
[2021-11-13 18:34:01,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:34:00" (2/3) ...
[2021-11-13 18:34:01,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f2556c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:34:01, skipping insertion in model container
[2021-11-13 18:34:01,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:34:01" (3/3) ...
[2021-11-13 18:34:01,319 INFO L111 eAbstractionObserver]: Analyzing ICFG condgf.c
[2021-11-13 18:34:01,326 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:34:01,327 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:34:01,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:34:01,508 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:34:01,509 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:34:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.565217391304348) internal successors, (36), 24 states have internal predecessors, (36), 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)
[2021-11-13 18:34:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-13 18:34:01,535 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:34:01,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:34:01,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:34:01,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:34:01,547 INFO L85 PathProgramCache]: Analyzing trace with hash -592817118, now seen corresponding path program 1 times
[2021-11-13 18:34:01,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:34:01,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787897521]
[2021-11-13 18:34:01,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:34:01,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:34:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:34:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:34:01,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:34:01,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787897521]
[2021-11-13 18:34:01,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787897521] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:34:01,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:34:01,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:34:01,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775897144]
[2021-11-13 18:34:01,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:34:01,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:34:01,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:34:01,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:34:01,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:34:01,877 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.565217391304348) internal successors, (36), 24 states have internal predecessors, (36), 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 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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)
[2021-11-13 18:34:01,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:34:01,901 INFO L93 Difference]: Finished difference Result 46 states and 66 transitions.
[2021-11-13 18:34:01,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:34:01,904 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) Word has length 14
[2021-11-13 18:34:01,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:34:01,915 INFO L225 Difference]: With dead ends: 46
[2021-11-13 18:34:01,915 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 18:34:01,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:34:01,924 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:34:01,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.08ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:34:01,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 18:34:01,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2021-11-13 18:34:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 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)
[2021-11-13 18:34:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions.
[2021-11-13 18:34:01,969 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14
[2021-11-13 18:34:01,969 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:34:01,970 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions.
[2021-11-13 18:34:01,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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)
[2021-11-13 18:34:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions.
[2021-11-13 18:34:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-13 18:34:01,972 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:34:01,972 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:34:01,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:34:01,973 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:34:01,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:34:01,974 INFO L85 PathProgramCache]: Analyzing trace with hash 108247460, now seen corresponding path program 1 times
[2021-11-13 18:34:01,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:34:01,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658442703]
[2021-11-13 18:34:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:34:01,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:34:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:34:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:34:02,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:34:02,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658442703]
[2021-11-13 18:34:02,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658442703] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:34:02,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:34:02,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 18:34:02,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430275895]
[2021-11-13 18:34:02,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:34:02,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 18:34:02,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:34:02,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 18:34:02,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:34:02,145 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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)
[2021-11-13 18:34:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:34:02,294 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions.
[2021-11-13 18:34:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 18:34:02,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Word has length 14
[2021-11-13 18:34:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:34:02,299 INFO L225 Difference]: With dead ends: 48
[2021-11-13 18:34:02,299 INFO L226 Difference]: Without dead ends: 34
[2021-11-13 18:34:02,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-11-13 18:34:02,305 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 41 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.74ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.46ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:34:02,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 16 Invalid, 39 Unknown, 0 Unchecked, 2.74ms Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 125.46ms Time]
[2021-11-13 18:34:02,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2021-11-13 18:34:02,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24.
[2021-11-13 18:34:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 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)
[2021-11-13 18:34:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions.
[2021-11-13 18:34:02,320 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 14
[2021-11-13 18:34:02,320 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:34:02,321 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions.
[2021-11-13 18:34:02,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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)
[2021-11-13 18:34:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions.
[2021-11-13 18:34:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-11-13 18:34:02,326 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:34:02,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:34:02,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:34:02,333 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:34:02,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:34:02,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1242970242, now seen corresponding path program 1 times
[2021-11-13 18:34:02,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:34:02,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37138331]
[2021-11-13 18:34:02,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:34:02,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:34:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:34:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:34:03,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:34:03,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37138331]
[2021-11-13 18:34:03,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37138331] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:34:03,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766048322]
[2021-11-13 18:34:03,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:34:03,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:34:03,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:34:03,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:34:03,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:34:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:34:03,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core
[2021-11-13 18:34:03,234 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:34:03,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8
[2021-11-13 18:34:03,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2021-11-13 18:34:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver
[2021-11-13 18:34:03,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22
[2021-11-13 18:34:03,760 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size
[2021-11-13 18:34:03,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27
[2021-11-13 18:34:04,078 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size
[2021-11-13 18:34:04,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14
[2021-11-13 18:34:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:34:04,131 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:34:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:34:04,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766048322] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:34:04,458 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:34:04,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22
[2021-11-13 18:34:04,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105051343]
[2021-11-13 18:34:04,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:34:04,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2021-11-13 18:34:04,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:34:04,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2021-11-13 18:34:04,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462
[2021-11-13 18:34:04,469 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 22 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)
[2021-11-13 18:34:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:34:04,973 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions.
[2021-11-13 18:34:04,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:34:04,973 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 22 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) Word has length 21
[2021-11-13 18:34:04,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:34:04,976 INFO L225 Difference]: With dead ends: 47
[2021-11-13 18:34:04,977 INFO L226 Difference]: Without dead ends: 37
[2021-11-13 18:34:04,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=668, Unknown=0, NotChecked=0, Total=812
[2021-11-13 18:34:04,979 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 148.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.51ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 188.44ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:34:04,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 100 Invalid, 186 Unknown, 0 Unchecked, 5.51ms Time], IncrementalHoareTripleChecker [23 Valid, 142 Invalid, 0 Unknown, 21 Unchecked, 188.44ms Time]
[2021-11-13 18:34:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2021-11-13 18:34:04,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 33.
[2021-11-13 18:34:04,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 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)
[2021-11-13 18:34:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions.
[2021-11-13 18:34:05,000 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 21
[2021-11-13 18:34:05,001 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:34:05,001 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions.
[2021-11-13 18:34:05,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 22 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)
[2021-11-13 18:34:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions.
[2021-11-13 18:34:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2021-11-13 18:34:05,004 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:34:05,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:34:05,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2021-11-13 18:34:05,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:34:05,228 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:34:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:34:05,229 INFO L85 PathProgramCache]: Analyzing trace with hash 532037120, now seen corresponding path program 1 times
[2021-11-13 18:34:05,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:34:05,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485024864]
[2021-11-13 18:34:05,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:34:05,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:34:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:34:05,282 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:34:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:34:05,376 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:34:05,377 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:34:05,378 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:34:05,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:34:05,385 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2021-11-13 18:34:05,389 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:34:05,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:34:05 BoogieIcfgContainer
[2021-11-13 18:34:05,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:34:05,472 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:34:05,472 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:34:05,473 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:34:05,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:34:01" (3/4) ...
[2021-11-13 18:34:05,476 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-11-13 18:34:05,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:34:05,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:34:05,561 INFO L158 Benchmark]: Toolchain (without parser) took 5168.51ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 61.8MB in the beginning and 52.7MB in the end (delta: 9.1MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB.
[2021-11-13 18:34:05,561 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 58.9MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:34:05,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.99ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 51.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 18:34:05,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.60ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:34:05,563 INFO L158 Benchmark]: Boogie Preprocessor took 34.60ms. Allocated memory is still 90.2MB. Free memory was 49.8MB in the beginning and 48.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:34:05,563 INFO L158 Benchmark]: RCFGBuilder took 458.08ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 37.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-13 18:34:05,564 INFO L158 Benchmark]: TraceAbstraction took 4172.10ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 37.0MB in the beginning and 55.9MB in the end (delta: -18.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB.
[2021-11-13 18:34:05,565 INFO L158 Benchmark]: Witness Printer took 87.76ms. Allocated memory is still 134.2MB. Free memory was 55.9MB in the beginning and 52.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:34:05,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 58.9MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 358.99ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 51.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.60ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.60ms. Allocated memory is still 90.2MB. Free memory was 49.8MB in the beginning and 48.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 458.08ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 37.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 4172.10ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 37.0MB in the beginning and 55.9MB in the end (delta: -18.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB.
* Witness Printer took 87.76ms. Allocated memory is still 134.2MB. Free memory was 55.9MB in the beginning and 52.7MB in the end (delta: 3.1MB). 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
- CounterExampleResult [Line: 15]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L19] int N;
VAL [N=0]
[L23] N = __VERIFIER_nondet_int()
[L24] COND FALSE !(N <= 0)
[L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1, N=1]
[L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27] int i;
[L28] long long sum[1];
[L29] int *a = malloc(sizeof(int)*N);
[L31] sum[0] = 0
[L32] i=0
VAL [a={-1:0}, i=0, N=1, sum={11:0}]
[L32] COND TRUE i<N
[L34] a[i] = 2
VAL [a={-1:0}, i=0, N=1, sum={11:0}]
[L32] i++
VAL [a={-1:0}, i=1, N=1, sum={11:0}]
[L32] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={11:0}]
[L37] i=0
VAL [a={-1:0}, i=0, N=1, sum={11:0}]
[L37] COND TRUE i<N
[L39] EXPR sum[0]
[L39] EXPR a[i]
[L39] sum[0] = sum[0] + a[i]
[L37] i++
VAL [a={-1:0}, i=1, N=1, sum={11:0}]
[L37] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={11:0}]
[L42] i=0
VAL [a={-1:0}, i=0, N=1, sum={11:0}]
[L42] COND TRUE i<N
[L44] EXPR sum[0]
VAL [a={-1:0}, i=0, N=1, sum={11:0}, sum[0]=2]
[L44] COND FALSE !(sum[0] == N)
[L47] EXPR a[i]
[L47] a[i] = a[i] + 1
[L42] i++
VAL [a={-1:0}, i=1, N=1, sum={11:0}]
[L42] COND FALSE !(i<N)
VAL [a={-1:0}, i=1, N=1, sum={11:0}]
[L51] i=0
VAL [a={-1:0}, i=0, N=1, sum={11:0}]
[L51] COND TRUE i<N
[L53] EXPR a[i]
[L53] CALL __VERIFIER_assert(a[i] == 0)
[L15] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, N=1]
[L15] reach_error()
VAL [\old(cond)=0, cond=0, N=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 313.91ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 236.49ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 21 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 58 mSDtfsCounter, 172 mSolverCounterSat, 9.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 86 ConstructedInterpolants, 4 QuantifiedInterpolants, 627 SizeOfPredicates, 10 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-11-13 18:34:05,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1f8891-2f39-40fa-af15-a9b71186aa43/bin/uautomizer-YU5uOKAj3y/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE