./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD --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 4cc4e6594048669dc8576432b007a54cfaf2cb918409d0a11b256ce036aec976
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-29 00:00:30,043 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-29 00:00:30,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-29 00:00:30,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-29 00:00:30,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-29 00:00:30,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-29 00:00:30,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-29 00:00:30,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-29 00:00:30,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-29 00:00:30,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-29 00:00:30,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-29 00:00:30,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-29 00:00:30,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-29 00:00:30,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-29 00:00:30,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-29 00:00:30,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-29 00:00:30,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-29 00:00:30,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-29 00:00:30,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-29 00:00:30,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-29 00:00:30,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-29 00:00:30,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-29 00:00:30,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-29 00:00:30,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-29 00:00:30,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-29 00:00:30,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-29 00:00:30,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-29 00:00:30,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-29 00:00:30,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-29 00:00:30,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-29 00:00:30,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-29 00:00:30,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-29 00:00:30,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-29 00:00:30,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-29 00:00:30,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-29 00:00:30,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-29 00:00:30,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-29 00:00:30,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-29 00:00:30,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-29 00:00:30,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-29 00:00:30,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-29 00:00:30,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-29 00:00:30,168 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-29 00:00:30,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-29 00:00:30,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-29 00:00:30,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-29 00:00:30,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-29 00:00:30,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-29 00:00:30,171 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-29 00:00:30,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-29 00:00:30,172 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-29 00:00:30,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-29 00:00:30,172 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-29 00:00:30,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-29 00:00:30,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-29 00:00:30,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-29 00:00:30,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-29 00:00:30,173 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-29 00:00:30,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-29 00:00:30,173 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-29 00:00:30,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-29 00:00:30,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-29 00:00:30,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-29 00:00:30,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-29 00:00:30,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-29 00:00:30,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-29 00:00:30,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-29 00:00:30,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-29 00:00:30,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-29 00:00:30,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-29 00:00:30,175 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-10-29 00:00:30,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-29 00:00:30,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-29 00:00:30,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-29 00:00:30,176 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_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cc4e6594048669dc8576432b007a54cfaf2cb918409d0a11b256ce036aec976
[2021-10-29 00:00:30,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-29 00:00:30,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-29 00:00:30,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-29 00:00:30,479 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-29 00:00:30,479 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-29 00:00:30,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loop-lit/jm2006_variant.i
[2021-10-29 00:00:30,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/data/a4455fa35/9c8ed0eac42244148f4d6995d080f1c2/FLAG88cb20422
[2021-10-29 00:00:31,010 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-29 00:00:31,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/sv-benchmarks/c/loop-lit/jm2006_variant.i
[2021-10-29 00:00:31,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/data/a4455fa35/9c8ed0eac42244148f4d6995d080f1c2/FLAG88cb20422
[2021-10-29 00:00:31,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/data/a4455fa35/9c8ed0eac42244148f4d6995d080f1c2
[2021-10-29 00:00:31,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-29 00:00:31,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-29 00:00:31,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-29 00:00:31,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-29 00:00:31,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-29 00:00:31,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e925d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31, skipping insertion in model container
[2021-10-29 00:00:31,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-29 00:00:31,434 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-29 00:00:31,598 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_ced8c19e-8691-40e7-87b5-47451d3689c7/sv-benchmarks/c/loop-lit/jm2006_variant.i[895,908]
[2021-10-29 00:00:31,609 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-29 00:00:31,617 INFO L203 MainTranslator]: Completed pre-run
[2021-10-29 00:00:31,627 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_ced8c19e-8691-40e7-87b5-47451d3689c7/sv-benchmarks/c/loop-lit/jm2006_variant.i[895,908]
[2021-10-29 00:00:31,631 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-29 00:00:31,642 INFO L208 MainTranslator]: Completed translation
[2021-10-29 00:00:31,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31 WrapperNode
[2021-10-29 00:00:31,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-29 00:00:31,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-29 00:00:31,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-29 00:00:31,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-29 00:00:31,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-29 00:00:31,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-29 00:00:31,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-29 00:00:31,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-29 00:00:31,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-29 00:00:31,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-29 00:00:31,693 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-29 00:00:31,693 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-29 00:00:31,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (1/1) ...
[2021-10-29 00:00:31,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-29 00:00:31,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-29 00:00:31,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-29 00:00:31,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-29 00:00:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-29 00:00:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-29 00:00:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-29 00:00:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-29 00:00:31,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-29 00:00:31,942 INFO L299 CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-29 00:00:31,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:00:31 BoogieIcfgContainer
[2021-10-29 00:00:31,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-29 00:00:31,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-29 00:00:31,945 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-29 00:00:31,948 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-29 00:00:31,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:00:31" (1/3) ...
[2021-10-29 00:00:31,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79776ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:00:31, skipping insertion in model container
[2021-10-29 00:00:31,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:31" (2/3) ...
[2021-10-29 00:00:31,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79776ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:00:31, skipping insertion in model container
[2021-10-29 00:00:31,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:00:31" (3/3) ...
[2021-10-29 00:00:31,952 INFO L111 eAbstractionObserver]: Analyzing ICFG jm2006_variant.i
[2021-10-29 00:00:31,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-29 00:00:31,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-29 00:00:32,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-29 00:00:32,012 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
[2021-10-29 00:00:32,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-29 00:00:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-29 00:00:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-10-29 00:00:32,031 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-29 00:00:32,031 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-29 00:00:32,032 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-29 00:00:32,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:00:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash 179632146, now seen corresponding path program 1 times
[2021-10-29 00:00:32,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:00:32,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77920578]
[2021-10-29 00:00:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:00:32,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:00:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:00:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:00:32,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:00:32,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77920578]
[2021-10-29 00:00:32,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77920578] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-29 00:00:32,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-29 00:00:32,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-29 00:00:32,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813553127]
[2021-10-29 00:00:32,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-29 00:00:32,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:00:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-29 00:00:32,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-29 00:00:32,436 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-29 00:00:32,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:00:32,554 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions.
[2021-10-29 00:00:32,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-29 00:00:32,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2021-10-29 00:00:32,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:00:32,563 INFO L225 Difference]: With dead ends: 36
[2021-10-29 00:00:32,563 INFO L226 Difference]: Without dead ends: 10
[2021-10-29 00:00:32,566 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-10-29 00:00:32,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2021-10-29 00:00:32,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2021-10-29 00:00:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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)
[2021-10-29 00:00:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions.
[2021-10-29 00:00:32,612 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8
[2021-10-29 00:00:32,612 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:00:32,612 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions.
[2021-10-29 00:00:32,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-29 00:00:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions.
[2021-10-29 00:00:32,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-29 00:00:32,613 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-29 00:00:32,614 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-29 00:00:32,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-29 00:00:32,614 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-29 00:00:32,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:00:32,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1275235031, now seen corresponding path program 1 times
[2021-10-29 00:00:32,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:00:32,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155963513]
[2021-10-29 00:00:32,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:00:32,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:00:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:00:32,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:00:32,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:00:32,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155963513]
[2021-10-29 00:00:32,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155963513] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-29 00:00:32,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251591274]
[2021-10-29 00:00:32,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:00:32,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-29 00:00:32,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-29 00:00:32,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-29 00:00:32,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-10-29 00:00:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:00:32,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core
[2021-10-29 00:00:32,924 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 00:00:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:00:33,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251591274] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-29 00:00:33,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-29 00:00:33,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2021-10-29 00:00:33,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783371591]
[2021-10-29 00:00:33,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-29 00:00:33,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:00:33,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-29 00:00:33,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2021-10-29 00:00:33,149 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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)
[2021-10-29 00:00:33,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:00:33,238 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions.
[2021-10-29 00:00:33,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-29 00:00:33,239 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 9
[2021-10-29 00:00:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:00:33,240 INFO L225 Difference]: With dead ends: 15
[2021-10-29 00:00:33,240 INFO L226 Difference]: Without dead ends: 11
[2021-10-29 00:00:33,242 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2021-10-29 00:00:33,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2021-10-29 00:00:33,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2021-10-29 00:00:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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)
[2021-10-29 00:00:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2021-10-29 00:00:33,248 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9
[2021-10-29 00:00:33,248 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:00:33,248 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2021-10-29 00:00:33,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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)
[2021-10-29 00:00:33,249 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2021-10-29 00:00:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-29 00:00:33,250 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-29 00:00:33,251 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-29 00:00:33,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-10-29 00:00:33,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-29 00:00:33,475 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-29 00:00:33,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:00:33,477 INFO L85 PathProgramCache]: Analyzing trace with hash 879186098, now seen corresponding path program 2 times
[2021-10-29 00:00:33,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:00:33,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960935133]
[2021-10-29 00:00:33,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:00:33,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:00:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:00:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:00:33,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:00:33,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960935133]
[2021-10-29 00:00:33,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960935133] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-29 00:00:33,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057785687]
[2021-10-29 00:00:33,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-29 00:00:33,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-29 00:00:33,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-29 00:00:33,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-29 00:00:33,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-10-29 00:00:33,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-29 00:00:33,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-29 00:00:33,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 25 conjunts are in the unsatisfiable core
[2021-10-29 00:00:33,753 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 00:00:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:00:33,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057785687] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-29 00:00:33,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-29 00:00:33,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11
[2021-10-29 00:00:33,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308996522]
[2021-10-29 00:00:33,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-10-29 00:00:33,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:00:33,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-10-29 00:00:33,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2021-10-29 00:00:33,984 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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)
[2021-10-29 00:00:34,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:00:34,139 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions.
[2021-10-29 00:00:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-10-29 00:00:34,140 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 10
[2021-10-29 00:00:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:00:34,141 INFO L225 Difference]: With dead ends: 19
[2021-10-29 00:00:34,142 INFO L226 Difference]: Without dead ends: 13
[2021-10-29 00:00:34,142 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210
[2021-10-29 00:00:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2021-10-29 00:00:34,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2021-10-29 00:00:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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)
[2021-10-29 00:00:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions.
[2021-10-29 00:00:34,148 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10
[2021-10-29 00:00:34,148 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:00:34,148 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions.
[2021-10-29 00:00:34,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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)
[2021-10-29 00:00:34,148 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions.
[2021-10-29 00:00:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-29 00:00:34,149 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-29 00:00:34,149 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-29 00:00:34,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-10-29 00:00:34,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-29 00:00:34,350 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-29 00:00:34,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 00:00:34,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1159331502, now seen corresponding path program 3 times
[2021-10-29 00:00:34,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-29 00:00:34,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534177850]
[2021-10-29 00:00:34,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-29 00:00:34,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 00:00:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 00:00:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-29 00:00:34,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-29 00:00:34,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534177850]
[2021-10-29 00:00:34,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534177850] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-29 00:00:34,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154984987]
[2021-10-29 00:00:34,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-10-29 00:00:34,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-29 00:00:34,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-29 00:00:34,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-29 00:00:34,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-29 00:00:34,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2021-10-29 00:00:34,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-29 00:00:34,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 37 conjunts are in the unsatisfiable core
[2021-10-29 00:00:34,650 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 00:00:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 00:00:34,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154984987] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-29 00:00:34,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-29 00:00:34,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14
[2021-10-29 00:00:34,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116181984]
[2021-10-29 00:00:34,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-10-29 00:00:34,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-29 00:00:34,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-10-29 00:00:34,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2021-10-29 00:00:34,920 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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)
[2021-10-29 00:00:35,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-29 00:00:35,046 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions.
[2021-10-29 00:00:35,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-10-29 00:00:35,047 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 12
[2021-10-29 00:00:35,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-29 00:00:35,047 INFO L225 Difference]: With dead ends: 16
[2021-10-29 00:00:35,047 INFO L226 Difference]: Without dead ends: 0
[2021-10-29 00:00:35,048 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306
[2021-10-29 00:00:35,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-29 00:00:35,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-29 00:00:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-29 00:00:35,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-29 00:00:35,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2021-10-29 00:00:35,049 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-29 00:00:35,049 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-29 00:00:35,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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)
[2021-10-29 00:00:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-29 00:00:35,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-29 00:00:35,052 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-29 00:00:35,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-29 00:00:35,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-29 00:00:35,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-29 00:00:35,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-29 00:00:35,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-29 00:00:35,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-29 00:00:35,313 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-29 00:00:35,314 INFO L853 garLoopResultBuilder]: At program point L33-2(lines 33 37) the Hoare annotation is: (let ((.cse1 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0)) (.cse0 (+ ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~x~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0)))
[2021-10-29 00:00:35,314 INFO L857 garLoopResultBuilder]: For program point L33-3(lines 24 42) no Hoare annotation was computed.
[2021-10-29 00:00:35,314 INFO L857 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2021-10-29 00:00:35,314 INFO L857 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2021-10-29 00:00:35,314 INFO L860 garLoopResultBuilder]: At program point L38(lines 38 40) the Hoare annotation is: true
[2021-10-29 00:00:35,314 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-29 00:00:35,315 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-29 00:00:35,315 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-29 00:00:35,315 INFO L857 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed.
[2021-10-29 00:00:35,315 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed.
[2021-10-29 00:00:35,315 INFO L857 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed.
[2021-10-29 00:00:35,315 INFO L860 garLoopResultBuilder]: At program point L41(lines 24 42) the Hoare annotation is: true
[2021-10-29 00:00:35,319 INFO L731 BasicCegarLoop]: Path program histogram: [3, 1]
[2021-10-29 00:00:35,320 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-29 00:00:35,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:00:35 BoogieIcfgContainer
[2021-10-29 00:00:35,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-29 00:00:35,333 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-29 00:00:35,333 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-29 00:00:35,333 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-29 00:00:35,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:00:31" (3/4) ...
[2021-10-29 00:00:35,337 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-29 00:00:35,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2021-10-29 00:00:35,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-29 00:00:35,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-29 00:00:35,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-29 00:00:35,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-29 00:00:35,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-29 00:00:35,384 INFO L168 Benchmark]: Toolchain (without parser) took 3977.36 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 72.6 MB in the beginning and 110.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,384 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 113.2 MB. Free memory is still 88.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.93 ms. Allocated memory is still 113.2 MB. Free memory was 72.4 MB in the beginning and 86.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.25 ms. Allocated memory is still 113.2 MB. Free memory was 86.2 MB in the beginning and 84.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,386 INFO L168 Benchmark]: Boogie Preprocessor took 19.87 ms. Allocated memory is still 113.2 MB. Free memory was 84.9 MB in the beginning and 83.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,386 INFO L168 Benchmark]: RCFGBuilder took 250.47 ms. Allocated memory is still 113.2 MB. Free memory was 83.7 MB in the beginning and 74.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,387 INFO L168 Benchmark]: TraceAbstraction took 3387.56 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 74.1 MB in the beginning and 113.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,387 INFO L168 Benchmark]: Witness Printer took 49.27 ms. Allocated memory is still 159.4 MB. Free memory was 113.9 MB in the beginning and 110.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-29 00:00:35,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 113.2 MB. Free memory is still 88.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 235.93 ms. Allocated memory is still 113.2 MB. Free memory was 72.4 MB in the beginning and 86.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 28.25 ms. Allocated memory is still 113.2 MB. Free memory was 86.2 MB in the beginning and 84.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
* Boogie Preprocessor took 19.87 ms. Allocated memory is still 113.2 MB. Free memory was 84.9 MB in the beginning and 83.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 250.47 ms. Allocated memory is still 113.2 MB. Free memory was 83.7 MB in the beginning and 74.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 3387.56 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 74.1 MB in the beginning and 113.9 MB in the end (delta: -39.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Witness Printer took 49.27 ms. Allocated memory is still 159.4 MB. Free memory was 113.9 MB in the beginning and 110.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 40 SDslu, 82 SDs, 0 SdLazy, 185 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 16 NumberOfFragments, 19 HoareAnnotationTreeSize, 3 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 130 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 608 SizeOfPredicates, 18 NumberOfNonLiveVariables, 208 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 24]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 38]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 33]: Loop Invariant
Derived loop invariant: j + x <= i + z + y && i + z + y <= j + x
RESULT: Ultimate proved your program to be correct!
[2021-10-29 00:00:35,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ced8c19e-8691-40e7-87b5-47451d3689c7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...