./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe036_tso.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe036_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC --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 20e9938d3f7f94b90c2b76322e6e84aa217dc9ed
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:29:16,758 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:29:16,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:29:16,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:29:16,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:29:16,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:29:16,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:29:16,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:29:16,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:29:16,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:29:16,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:29:16,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:29:16,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:29:16,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:29:16,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:29:16,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:29:16,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:29:16,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:29:16,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:29:16,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:29:16,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:29:16,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:29:16,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:29:16,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:29:16,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:29:16,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:29:16,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:29:16,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:29:16,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:29:16,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:29:16,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:29:16,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:29:16,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:29:16,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:29:16,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:29:16,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:29:16,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:29:16,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:29:16,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:29:16,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:29:16,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:29:16,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:29:16,870 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:29:16,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:29:16,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:29:16,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:29:16,872 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:29:16,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:29:16,873 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:29:16,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:29:16,873 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:29:16,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:29:16,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:29:16,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:29:16,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:29:16,874 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:29:16,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:29:16,875 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:29:16,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:29:16,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:29:16,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:29:16,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:29:16,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:29:16,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:29:16,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:29:16,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:29:16,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:29:16,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:29:16,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:29:16,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:29:16,878 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_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20e9938d3f7f94b90c2b76322e6e84aa217dc9ed
[2021-10-11 00:29:17,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:29:17,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:29:17,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:29:17,173 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:29:17,174 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:29:17,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-wmm/safe036_tso.opt.i
[2021-10-11 00:29:17,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/data/a2239bda5/cb74e55e84514aefb2e1de2069cab420/FLAGa45468868
[2021-10-11 00:29:17,947 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:29:17,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/sv-benchmarks/c/pthread-wmm/safe036_tso.opt.i
[2021-10-11 00:29:17,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/data/a2239bda5/cb74e55e84514aefb2e1de2069cab420/FLAGa45468868
[2021-10-11 00:29:18,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/data/a2239bda5/cb74e55e84514aefb2e1de2069cab420
[2021-10-11 00:29:18,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:29:18,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:29:18,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:29:18,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:29:18,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:29:18,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ccfb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18, skipping insertion in model container
[2021-10-11 00:29:18,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:29:18,252 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:29:18,457 WARN L226 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_6b97527e-7495-4710-9aed-4819f7d73d45/sv-benchmarks/c/pthread-wmm/safe036_tso.opt.i[949,962]
[2021-10-11 00:29:18,636 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:29:18,644 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:29:18,657 WARN L226 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_6b97527e-7495-4710-9aed-4819f7d73d45/sv-benchmarks/c/pthread-wmm/safe036_tso.opt.i[949,962]
[2021-10-11 00:29:18,685 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:29:18,769 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:29:18,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18 WrapperNode
[2021-10-11 00:29:18,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:29:18,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:29:18,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:29:18,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:29:18,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:29:18,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:29:18,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:29:18,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:29:18,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
[2021-10-11 00:29:18,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:29:18,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:29:18,842 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:29:18,842 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:29:18,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:29:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:29:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-11 00:29:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:29:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:29:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-10-11 00:29:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-10-11 00:29:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-10-11 00:29:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-10-11 00:29:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:29:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-11 00:29:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:29:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:29:18,950 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-11 00:29:19,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:29:19,322 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-10-11 00:29:19,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:19 BoogieIcfgContainer
[2021-10-11 00:29:19,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:29:19,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:29:19,341 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:29:19,345 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:29:19,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:18" (1/3) ...
[2021-10-11 00:29:19,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7174dee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:19, skipping insertion in model container
[2021-10-11 00:29:19,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:18" (2/3) ...
[2021-10-11 00:29:19,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7174dee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:19, skipping insertion in model container
[2021-10-11 00:29:19,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:19" (3/3) ...
[2021-10-11 00:29:19,348 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_tso.opt.i
[2021-10-11 00:29:19,363 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-11 00:29:19,366 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:29:19,370 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:29:19,374 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-11 00:29:19,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,404 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,404 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,405 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,405 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,408 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,408 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,412 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,413 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,424 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,424 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:29:19,426 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-11 00:29:19,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-10-11 00:29:19,479 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:29:19,481 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:29:19,482 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:29:19,482 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:29:19,482 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:29:19,482 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:29:19,483 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:29:19,483 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:29:19,499 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-11 00:29:19,501 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 61 transitions, 132 flow
[2021-10-11 00:29:19,505 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 61 transitions, 132 flow
[2021-10-11 00:29:19,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 61 transitions, 132 flow
[2021-10-11 00:29:19,577 INFO L129 PetriNetUnfolder]: 2/59 cut-off events.
[2021-10-11 00:29:19,578 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-11 00:29:19,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 59 events. 2/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place.
[2021-10-11 00:29:19,597 INFO L116 LiptonReduction]: Number of co-enabled transitions 696
[2021-10-11 00:29:21,998 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74
[2021-10-11 00:29:22,272 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74
[2021-10-11 00:29:22,366 INFO L131 LiptonReduction]: Checked pairs total: 1354
[2021-10-11 00:29:22,366 INFO L133 LiptonReduction]: Total number of compositions: 55
[2021-10-11 00:29:22,375 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow
[2021-10-11 00:29:22,387 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states.
[2021-10-11 00:29:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states.
[2021-10-11 00:29:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-11 00:29:22,394 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:29:22,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2021-10-11 00:29:22,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:29:22,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:29:22,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1865783441, now seen corresponding path program 1 times
[2021-10-11 00:29:22,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:29:22,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917230426]
[2021-10-11 00:29:22,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:29:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:29:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:29:22,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917230426]
[2021-10-11 00:29:22,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:29:22,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:29:22,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036215236]
[2021-10-11 00:29:22,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-10-11 00:29:22,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:29:22,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-11 00:29:22,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-11 00:29:22,589 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states.
[2021-10-11 00:29:22,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:29:22,613 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions.
[2021-10-11 00:29:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-10-11 00:29:22,615 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6
[2021-10-11 00:29:22,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:29:22,626 INFO L225 Difference]: With dead ends: 90
[2021-10-11 00:29:22,627 INFO L226 Difference]: Without dead ends: 74
[2021-10-11 00:29:22,628 INFO L677 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
[2021-10-11 00:29:22,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2021-10-11 00:29:22,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2021-10-11 00:29:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states.
[2021-10-11 00:29:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions.
[2021-10-11 00:29:22,706 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6
[2021-10-11 00:29:22,706 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:29:22,707 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions.
[2021-10-11 00:29:22,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2021-10-11 00:29:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions.
[2021-10-11 00:29:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-11 00:29:22,712 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:29:22,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:29:22,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:29:22,714 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:29:22,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:29:22,717 INFO L82 PathProgramCache]: Analyzing trace with hash -2004756257, now seen corresponding path program 1 times
[2021-10-11 00:29:22,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:29:22,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981411791]
[2021-10-11 00:29:22,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:29:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:29:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:29:22,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981411791]
[2021-10-11 00:29:22,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:29:22,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:29:22,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632897564]
[2021-10-11 00:29:22,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:29:22,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:29:22,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:29:22,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:29:22,860 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states.
[2021-10-11 00:29:22,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:29:22,903 INFO L93 Difference]: Finished difference Result 63 states and 112 transitions.
[2021-10-11 00:29:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:29:22,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7
[2021-10-11 00:29:22,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:29:22,908 INFO L225 Difference]: With dead ends: 63
[2021-10-11 00:29:22,908 INFO L226 Difference]: Without dead ends: 47
[2021-10-11 00:29:22,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:29:22,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2021-10-11 00:29:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2021-10-11 00:29:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states.
[2021-10-11 00:29:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 79 transitions.
[2021-10-11 00:29:22,927 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 79 transitions. Word has length 7
[2021-10-11 00:29:22,927 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:29:22,927 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 79 transitions.
[2021-10-11 00:29:22,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:29:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions.
[2021-10-11 00:29:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-11 00:29:22,929 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:29:22,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:29:22,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:29:22,930 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:29:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:29:22,931 INFO L82 PathProgramCache]: Analyzing trace with hash 531180577, now seen corresponding path program 1 times
[2021-10-11 00:29:22,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:29:22,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520030131]
[2021-10-11 00:29:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:29:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:29:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:29:23,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520030131]
[2021-10-11 00:29:23,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:29:23,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:29:23,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583749548]
[2021-10-11 00:29:23,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:29:23,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:29:23,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:29:23,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:29:23,064 INFO L87 Difference]: Start difference. First operand 47 states and 79 transitions. Second operand 5 states.
[2021-10-11 00:29:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:29:23,111 INFO L93 Difference]: Finished difference Result 36 states and 55 transitions.
[2021-10-11 00:29:23,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:29:23,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10
[2021-10-11 00:29:23,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:29:23,117 INFO L225 Difference]: With dead ends: 36
[2021-10-11 00:29:23,117 INFO L226 Difference]: Without dead ends: 29
[2021-10-11 00:29:23,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:29:23,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2021-10-11 00:29:23,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2021-10-11 00:29:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states.
[2021-10-11 00:29:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions.
[2021-10-11 00:29:23,133 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 10
[2021-10-11 00:29:23,134 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:29:23,134 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions.
[2021-10-11 00:29:23,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:29:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions.
[2021-10-11 00:29:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-11 00:29:23,135 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:29:23,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:29:23,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:29:23,136 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:29:23,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:29:23,137 INFO L82 PathProgramCache]: Analyzing trace with hash 2005536794, now seen corresponding path program 1 times
[2021-10-11 00:29:23,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:29:23,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914013707]
[2021-10-11 00:29:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:29:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:29:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:29:23,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914013707]
[2021-10-11 00:29:23,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:29:23,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:29:23,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470770023]
[2021-10-11 00:29:23,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:29:23,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:29:23,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:29:23,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:29:23,243 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand 5 states.
[2021-10-11 00:29:23,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:29:23,269 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions.
[2021-10-11 00:29:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:29:23,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2021-10-11 00:29:23,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:29:23,270 INFO L225 Difference]: With dead ends: 37
[2021-10-11 00:29:23,271 INFO L226 Difference]: Without dead ends: 17
[2021-10-11 00:29:23,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:29:23,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2021-10-11 00:29:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2021-10-11 00:29:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-10-11 00:29:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions.
[2021-10-11 00:29:23,273 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13
[2021-10-11 00:29:23,273 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:29:23,273 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions.
[2021-10-11 00:29:23,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:29:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2021-10-11 00:29:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-11 00:29:23,274 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:29:23,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:29:23,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:29:23,275 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:29:23,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:29:23,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1560668438, now seen corresponding path program 2 times
[2021-10-11 00:29:23,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:29:23,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359252628]
[2021-10-11 00:29:23,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:29:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:29:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:29:23,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359252628]
[2021-10-11 00:29:23,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:29:23,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:29:23,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968004970]
[2021-10-11 00:29:23,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:29:23,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:29:23,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:29:23,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:29:23,343 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 5 states.
[2021-10-11 00:29:23,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:29:23,364 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions.
[2021-10-11 00:29:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:29:23,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2021-10-11 00:29:23,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:29:23,370 INFO L225 Difference]: With dead ends: 16
[2021-10-11 00:29:23,371 INFO L226 Difference]: Without dead ends: 0
[2021-10-11 00:29:23,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:29:23,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:29:23,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:29:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:29:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:29:23,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2021-10-11 00:29:23,372 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:29:23,372 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:29:23,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:29:23,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:29:23,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:29:23,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:29:23,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:23 BasicIcfg
[2021-10-11 00:29:23,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:29:23,377 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:29:23,377 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:29:23,377 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:29:23,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:19" (3/4) ...
[2021-10-11 00:29:23,383 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:29:23,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2021-10-11 00:29:23,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2021-10-11 00:29:23,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2021-10-11 00:29:23,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:29:23,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:29:23,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:29:23,459 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b97527e-7495-4710-9aed-4819f7d73d45/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:29:23,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:29:23,461 INFO L168 Benchmark]: Toolchain (without parser) took 5261.83 ms. Allocated memory was 88.1 MB in the beginning and 169.9 MB in the end (delta: 81.8 MB). Free memory was 52.7 MB in the beginning and 95.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,461 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 88.1 MB. Free memory was 59.9 MB in the beginning and 59.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.88 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 70.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.57 ms. Allocated memory is still 115.3 MB. Free memory was 70.8 MB in the beginning and 69.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,464 INFO L168 Benchmark]: Boogie Preprocessor took 25.65 ms. Allocated memory is still 115.3 MB. Free memory was 69.0 MB in the beginning and 67.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,464 INFO L168 Benchmark]: RCFGBuilder took 497.84 ms. Allocated memory is still 115.3 MB. Free memory was 67.7 MB in the beginning and 77.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,465 INFO L168 Benchmark]: TraceAbstraction took 4035.90 ms. Allocated memory was 115.3 MB in the beginning and 169.9 MB in the end (delta: 54.5 MB). Free memory was 77.3 MB in the beginning and 97.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,465 INFO L168 Benchmark]: Witness Printer took 82.47 ms. Allocated memory is still 169.9 MB. Free memory was 97.1 MB in the beginning and 95.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:29:23,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.82 ms. Allocated memory is still 88.1 MB. Free memory was 59.9 MB in the beginning and 59.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 569.88 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 70.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 43.57 ms. Allocated memory is still 115.3 MB. Free memory was 70.8 MB in the beginning and 69.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 25.65 ms. Allocated memory is still 115.3 MB. Free memory was 69.0 MB in the beginning and 67.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 497.84 ms. Allocated memory is still 115.3 MB. Free memory was 67.7 MB in the beginning and 77.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 4035.90 ms. Allocated memory was 115.3 MB in the beginning and 169.9 MB in the end (delta: 54.5 MB). Free memory was 77.3 MB in the beginning and 97.1 MB in the end (delta: -19.7 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB.
* Witness Printer took 82.47 ms. Allocated memory is still 169.9 MB. Free memory was 97.1 MB in the beginning and 95.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
465 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 20 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 47 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 66 PlacesBefore, 23 PlacesAfterwards, 61 TransitionsBefore, 17 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 55 TotalNumberOfCompositions, 1354 MoverChecksTotal
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 63 SDtfs, 62 SDslu, 83 SDs, 0 SdLazy, 34 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 1108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct!
Received shutdown request...