./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ncompf.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_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/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_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ncompf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/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_a5792c9c-6025-4c87-93e4-42238c0a834c/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 9828ae97bd89bb8bc9e03b825846d0b3720f0cca297df36eda8ff823667b1534
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:52:54,055 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:52:54,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:52:54,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:52:54,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:52:54,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:52:54,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:52:54,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:52:54,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:52:54,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:52:54,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:52:54,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:52:54,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:52:54,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:52:54,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:52:54,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:52:54,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:52:54,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:52:54,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:52:54,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:52:54,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:52:54,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:52:54,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:52:54,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:52:54,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:52:54,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:52:54,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:52:54,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:52:54,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:52:54,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:52:54,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:52:54,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:52:54,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:52:54,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:52:54,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:52:54,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:52:54,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:52:54,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:52:54,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:52:54,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:52:54,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:52:54,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:52:54,184 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:52:54,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:52:54,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:52:54,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:52:54,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:52:54,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:52:54,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:52:54,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:52:54,188 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:52:54,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:52:54,188 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:52:54,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:52:54,189 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:52:54,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:52:54,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:52:54,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:52:54,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:52:54,190 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:52:54,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:52:54,191 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:52:54,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:52:54,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:52:54,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:52:54,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:52:54,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:52:54,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:52:54,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:52:54,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:52:54,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:52:54,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:52:54,193 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:52:54,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:52:54,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:52:54,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:52:54,194 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_a5792c9c-6025-4c87-93e4-42238c0a834c/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9828ae97bd89bb8bc9e03b825846d0b3720f0cca297df36eda8ff823667b1534
[2021-11-13 18:52:54,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:52:54,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:52:54,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:52:54,480 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:52:54,481 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:52:54,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/array-fpi/ncompf.c
[2021-11-13 18:52:54,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/data/27c65d00e/6912e176cdc24eb9bbdc12f649c74e3e/FLAGc3f733434
[2021-11-13 18:52:55,191 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:52:55,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/sv-benchmarks/c/array-fpi/ncompf.c
[2021-11-13 18:52:55,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/data/27c65d00e/6912e176cdc24eb9bbdc12f649c74e3e/FLAGc3f733434
[2021-11-13 18:52:55,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/data/27c65d00e/6912e176cdc24eb9bbdc12f649c74e3e
[2021-11-13 18:52:55,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:52:55,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:52:55,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:52:55,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:52:55,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:52:55,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491779d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55, skipping insertion in model container
[2021-11-13 18:52:55,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:52:55,586 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:52:55,806 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_a5792c9c-6025-4c87-93e4-42238c0a834c/sv-benchmarks/c/array-fpi/ncompf.c[589,602]
[2021-11-13 18:52:55,829 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:52:55,840 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:52:55,853 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_a5792c9c-6025-4c87-93e4-42238c0a834c/sv-benchmarks/c/array-fpi/ncompf.c[589,602]
[2021-11-13 18:52:55,865 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:52:55,882 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:52:55,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55 WrapperNode
[2021-11-13 18:52:55,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:52:55,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:52:55,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:52:55,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:52:55,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:52:55,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:52:55,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:52:55,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:52:55,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:52:55,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:52:55,973 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:52:55,973 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:52:55,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (1/1) ...
[2021-11-13 18:52:55,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:52:55,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:52:56,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:52:56,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:52:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:52:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:52:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:52:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 18:52:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:52:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:52:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:52:56,422 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:52:56,422 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-11-13 18:52:56,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:56 BoogieIcfgContainer
[2021-11-13 18:52:56,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:52:56,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:52:56,427 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:52:56,430 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:52:56,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:52:55" (1/3) ...
[2021-11-13 18:52:56,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab6049f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:52:56, skipping insertion in model container
[2021-11-13 18:52:56,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:52:55" (2/3) ...
[2021-11-13 18:52:56,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab6049f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:52:56, skipping insertion in model container
[2021-11-13 18:52:56,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:56" (3/3) ...
[2021-11-13 18:52:56,434 INFO L111 eAbstractionObserver]: Analyzing ICFG ncompf.c
[2021-11-13 18:52:56,440 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:52:56,441 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:52:56,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:52:56,527 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 18:52:56,527 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:52:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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 18:52:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-13 18:52:56,553 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:52:56,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:52:56,555 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:52:56,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:52:56,563 INFO L85 PathProgramCache]: Analyzing trace with hash -592971038, now seen corresponding path program 1 times
[2021-11-13 18:52:56,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:52:56,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604310250]
[2021-11-13 18:52:56,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:56,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:52:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:52:56,794 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 18:52:56,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:52:56,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604310250]
[2021-11-13 18:52:56,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604310250] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:52:56,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:52:56,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:52:56,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495438315]
[2021-11-13 18:52:56,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:52:56,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:52:56,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:52:56,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:52:56,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:52:56,865 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 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 18:52:56,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:52:56,884 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions.
[2021-11-13 18:52:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:52:56,887 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 18:52:56,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:52:56,896 INFO L225 Difference]: With dead ends: 44
[2021-11-13 18:52:56,897 INFO L226 Difference]: Without dead ends: 20
[2021-11-13 18:52:56,900 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 18:52:56,905 INFO L933 BasicCegarLoop]: 28 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, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:52:56,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.87ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:52:56,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2021-11-13 18:52:56,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2021-11-13 18:52:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:52:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions.
[2021-11-13 18:52:56,945 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14
[2021-11-13 18:52:56,945 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:52:56,946 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions.
[2021-11-13 18:52:56,946 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 18:52:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions.
[2021-11-13 18:52:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-13 18:52:56,947 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:52:56,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:52:56,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:52:56,948 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:52:56,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:52:56,950 INFO L85 PathProgramCache]: Analyzing trace with hash 108093540, now seen corresponding path program 1 times
[2021-11-13 18:52:56,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:52:56,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641836012]
[2021-11-13 18:52:56,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:56,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:52:57,031 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-11-13 18:52:57,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707714017]
[2021-11-13 18:52:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:52:57,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:57,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:52:57,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:52:57,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:52:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:52:57,110 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:52:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:52:57,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:52:57,201 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:52:57,203 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:52:57,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:52:57,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:52:57,428 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-13 18:52:57,431 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:52:57,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:52:57 BoogieIcfgContainer
[2021-11-13 18:52:57,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:52:57,472 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:52:57,472 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:52:57,472 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:52:57,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:52:56" (3/4) ...
[2021-11-13 18:52:57,475 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-11-13 18:52:57,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:52:57,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:52:57,532 INFO L158 Benchmark]: Toolchain (without parser) took 1985.82ms. Allocated memory is still 127.9MB. Free memory was 94.3MB in the beginning and 94.2MB in the end (delta: 115.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:52:57,533 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:52:57,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.96ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 102.4MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:52:57,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.91ms. Allocated memory is still 127.9MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:52:57,535 INFO L158 Benchmark]: Boogie Preprocessor took 42.70ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 99.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:52:57,536 INFO L158 Benchmark]: RCFGBuilder took 451.88ms. Allocated memory is still 127.9MB. Free memory was 99.5MB in the beginning and 88.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-13 18:52:57,537 INFO L158 Benchmark]: TraceAbstraction took 1044.23ms. Allocated memory is still 127.9MB. Free memory was 87.7MB in the beginning and 96.5MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:52:57,537 INFO L158 Benchmark]: Witness Printer took 59.60ms. Allocated memory is still 127.9MB. Free memory was 96.5MB in the beginning and 94.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:52:57,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 335.96ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 102.4MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.91ms. Allocated memory is still 127.9MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.70ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 99.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 451.88ms. Allocated memory is still 127.9MB. Free memory was 99.5MB in the beginning and 88.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 1044.23ms. Allocated memory is still 127.9MB. Free memory was 87.7MB in the beginning and 96.5MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 59.60ms. Allocated memory is still 127.9MB. Free memory was 96.5MB in the beginning and 94.2MB in the end (delta: 2.3MB). 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 *a = malloc(sizeof(long long)*N);
[L29] long long *b = malloc(sizeof(long long)*N);
[L30] long long *c = malloc(sizeof(long long)*N);
[L32] a[0] = 6
[L33] b[0] = 1
[L34] c[0] = 0
[L35] i=1
VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=1, N=1]
[L35] COND FALSE !(i<N)
VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=1, N=1]
[L40] i=1
VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=1, N=1]
[L40] COND FALSE !(i<N)
VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=1, N=1]
[L45] i=1
VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=1, N=1]
[L45] COND FALSE !(i<N)
VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=1, N=1]
[L50] i=0
VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=0, N=1]
[L50] COND TRUE i<N
[L52] EXPR c[i]
[L52] CALL __VERIFIER_assert(c[i] == N + i*i*i)
[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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.00ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.00ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 0 mSolverCounterSat, 0.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2021-11-13 18:52:57,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5792c9c-6025-4c87-93e4-42238c0a834c/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