/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 13:16:06,120 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 13:16:06,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 13:16:06,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 13:16:06,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 13:16:06,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 13:16:06,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 13:16:06,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-19 13:16:06,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-19 13:16:06,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-19 13:16:06,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-19 13:16:06,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-19 13:16:06,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-19 13:16:06,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 13:16:06,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 13:16:06,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 13:16:06,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 13:16:06,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 13:16:06,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 13:16:06,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 13:16:06,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 13:16:06,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 13:16:06,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 13:16:06,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 13:16:06,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-19 13:16:06,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-19 13:16:06,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-02-19 13:16:06,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-19 13:16:06,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-19 13:16:06,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-02-19 13:16:06,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-19 13:16:06,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2022-02-19 13:16:06,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-19 13:16:06,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-19 13:16:06,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 13:16:06,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf
[2022-02-19 13:16:06,225 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 13:16:06,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 13:16:06,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 13:16:06,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 13:16:06,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 13:16:06,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 13:16:06,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 13:16:06,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 13:16:06,227 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 13:16:06,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 13:16:06,228 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 13:16:06,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 13:16:06,228 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 13:16:06,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 13:16:06,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 13:16:06,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 13:16:06,230 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 13:16:06,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 13:16:06,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 13:16:06,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 13:16:06,231 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 13:16:06,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 13:16:06,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 13:16:06,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 13:16:06,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 13:16:06,231 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 13:16:06,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 13:16:06,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 13:16:06,232 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 13:16:06,232 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false
[2022-02-19 13:16:06,232 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 13:16:06,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 13:16:06,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 13:16:06,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 13:16:06,444 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-19 13:16:06,444 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-19 13:16:06,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.i
[2022-02-19 13:16:06,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90fbca28/6d9310ef8889405d85f67668a37acbd0/FLAGd5f35f89f
[2022-02-19 13:16:06,948 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-19 13:16:06,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.i
[2022-02-19 13:16:06,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90fbca28/6d9310ef8889405d85f67668a37acbd0/FLAGd5f35f89f
[2022-02-19 13:16:07,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90fbca28/6d9310ef8889405d85f67668a37acbd0
[2022-02-19 13:16:07,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 13:16:07,307 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 13:16:07,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 13:16:07,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 13:16:07,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 13:16:07,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4f71fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07, skipping insertion in model container
[2022-02-19 13:16:07,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-19 13:16:07,357 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-19 13:16:07,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.i[945,958]
[2022-02-19 13:16:07,650 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 13:16:07,656 INFO L203 MainTranslator]: Completed pre-run
[2022-02-19 13:16:07,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.i[945,958]
[2022-02-19 13:16:07,706 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 13:16:07,733 INFO L208 MainTranslator]: Completed translation
[2022-02-19 13:16:07,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07 WrapperNode
[2022-02-19 13:16:07,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 13:16:07,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 13:16:07,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 13:16:07,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 13:16:07,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,780 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2022-02-19 13:16:07,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 13:16:07,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 13:16:07,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 13:16:07,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 13:16:07,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 13:16:07,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 13:16:07,810 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 13:16:07,810 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 13:16:07,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (1/1) ...
[2022-02-19 13:16:07,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 13:16:07,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 13:16:07,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-19 13:16:07,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-19 13:16:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 13:16:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-19 13:16:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-19 13:16:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 13:16:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 13:16:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2022-02-19 13:16:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2022-02-19 13:16:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2022-02-19 13:16:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2022-02-19 13:16:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2022-02-19 13:16:07,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2022-02-19 13:16:07,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-19 13:16:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-19 13:16:07,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 13:16:07,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 13:16:07,915 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 13:16:08,047 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 13:16:08,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 13:16:08,252 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 13:16:08,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 13:16:08,257 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 13:16:08,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:16:08 BoogieIcfgContainer
[2022-02-19 13:16:08,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 13:16:08,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 13:16:08,271 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 13:16:08,274 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 13:16:08,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 01:16:07" (1/3) ...
[2022-02-19 13:16:08,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc40ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:16:08, skipping insertion in model container
[2022-02-19 13:16:08,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:16:07" (2/3) ...
[2022-02-19 13:16:08,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc40ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:16:08, skipping insertion in model container
[2022-02-19 13:16:08,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:16:08" (3/3) ...
[2022-02-19 13:16:08,276 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.i
[2022-02-19 13:16:08,279 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 13:16:08,279 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 13:16:08,279 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 13:16:08,280 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 13:16:08,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,326 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,326 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,327 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,327 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,327 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,327 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,328 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,329 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,329 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,329 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,329 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,330 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,330 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,331 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,331 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,331 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,332 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,332 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,332 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,333 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,333 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,333 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,335 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,336 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,338 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,338 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,339 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,339 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,339 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,339 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:16:08,339 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-19 13:16:08,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 13:16:08,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 13:16:08,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-19 13:16:08,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-19 13:16:08,413 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 13:16:08,418 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true
[2022-02-19 13:16:08,418 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-19 13:16:08,505 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 129 transitions and produced 130 states.
[2022-02-19 13:16:08,507 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 13:16:08,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:16:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1160421717, now seen corresponding path program 1 times
[2022-02-19 13:16:08,518 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:16:08,518 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097864418]
[2022-02-19 13:16:08,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:16:08,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:16:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:16:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:16:08,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:16:08,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097864418]
[2022-02-19 13:16:08,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097864418] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:16:08,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:16:08,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-19 13:16:08,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875336955]
[2022-02-19 13:16:08,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:16:08,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-19 13:16:08,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:16:08,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-19 13:16:08,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-19 13:16:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:08,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:16:08,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:16:08,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:09,549 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7484 transitions and produced 2392 states.
[2022-02-19 13:16:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:09,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 13:16:09,552 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 13:16:09,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:16:09,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1402349347, now seen corresponding path program 1 times
[2022-02-19 13:16:09,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:16:09,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891335398]
[2022-02-19 13:16:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:16:09,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:16:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:16:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:16:09,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:16:09,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891335398]
[2022-02-19 13:16:09,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891335398] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:16:09,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:16:09,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-19 13:16:09,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816206817]
[2022-02-19 13:16:09,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:16:09,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 13:16:09,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:16:09,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 13:16:09,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-19 13:16:09,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:09,750 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:16:09,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:16:09,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:09,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:12,280 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 47766 transitions and produced 14837 states.
[2022-02-19 13:16:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:12,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-19 13:16:12,282 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 13:16:12,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:16:12,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1910413991, now seen corresponding path program 1 times
[2022-02-19 13:16:12,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:16:12,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800335238]
[2022-02-19 13:16:12,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:16:12,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:16:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:16:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:16:12,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:16:12,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800335238]
[2022-02-19 13:16:12,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800335238] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:16:12,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:16:12,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-19 13:16:12,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884421645]
[2022-02-19 13:16:12,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:16:12,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-19 13:16:12,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:16:12,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-19 13:16:12,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-02-19 13:16:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:12,380 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:16:12,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:16:12,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:12,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:12,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:15,369 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 49223 transitions and produced 15418 states.
[2022-02-19 13:16:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:15,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-19 13:16:15,370 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 13:16:15,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:16:15,371 INFO L85 PathProgramCache]: Analyzing trace with hash -833553226, now seen corresponding path program 1 times
[2022-02-19 13:16:15,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:16:15,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765830171]
[2022-02-19 13:16:15,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:16:15,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:16:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:16:15,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:16:15,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:16:15,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765830171]
[2022-02-19 13:16:15,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765830171] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:16:15,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:16:15,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-19 13:16:15,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988556434]
[2022-02-19 13:16:15,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:16:15,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 13:16:15,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:16:15,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 13:16:15,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-19 13:16:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:15,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:16:15,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:16:15,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:15,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:15,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:15,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:18,269 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52261 transitions and produced 15430 states.
[2022-02-19 13:16:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:18,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:18,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-19 13:16:18,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:18,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-19 13:16:18,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 13:16:18,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:16:18,273 INFO L85 PathProgramCache]: Analyzing trace with hash -85366176, now seen corresponding path program 2 times
[2022-02-19 13:16:18,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:16:18,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922086078]
[2022-02-19 13:16:18,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:16:18,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:16:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:16:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:16:18,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:16:18,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922086078]
[2022-02-19 13:16:18,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922086078] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:16:18,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:16:18,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-19 13:16:18,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817261133]
[2022-02-19 13:16:18,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:16:18,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-19 13:16:18,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:16:18,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-19 13:16:18,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-02-19 13:16:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:18,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:16:18,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:16:18,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:18,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:18,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2022-02-19 13:16:18,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:18,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:21,090 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52284 transitions and produced 15429 states.
[2022-02-19 13:16:21,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-19 13:16:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2022-02-19 13:16:21,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-19 13:16:21,098 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 13:16:21,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:16:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash 319365861, now seen corresponding path program 1 times
[2022-02-19 13:16:21,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:16:21,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390866121]
[2022-02-19 13:16:21,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:16:21,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:16:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:16:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:16:21,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:16:21,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390866121]
[2022-02-19 13:16:21,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390866121] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:16:21,244 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:16:21,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-19 13:16:21,245 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048649224]
[2022-02-19 13:16:21,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:16:21,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-19 13:16:21,245 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:16:21,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-19 13:16:21,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-02-19 13:16:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:21,246 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:16:21,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:16:21,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:21,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:21,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2022-02-19 13:16:21,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:21,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2022-02-19 13:16:21,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:30,956 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 118477 transitions and produced 37289 states.
[2022-02-19 13:16:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-19 13:16:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2022-02-19 13:16:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:16:30,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-19 13:16:30,957 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-19 13:16:30,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:16:30,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1394774265, now seen corresponding path program 2 times
[2022-02-19 13:16:30,958 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:16:30,958 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91288104]
[2022-02-19 13:16:30,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:16:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:16:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:16:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:16:31,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:16:31,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91288104]
[2022-02-19 13:16:31,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91288104] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:16:31,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:16:31,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-19 13:16:31,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144372867]
[2022-02-19 13:16:31,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:16:31,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-19 13:16:31,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:16:31,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-19 13:16:31,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-02-19 13:16:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:31,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:16:31,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:16:31,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2022-02-19 13:16:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2022-02-19 13:16:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:16:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:42,728 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 135663 transitions and produced 42252 states.
[2022-02-19 13:16:42,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:16:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-19 13:16:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-19 13:16:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-19 13:16:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2022-02-19 13:16:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:16:42,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:16:42,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2022-02-19 13:16:42,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-19 13:16:42,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-19 13:16:42,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-19 13:16:42,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-19 13:16:42,736 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1]
[2022-02-19 13:16:42,738 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 13:16:42,738 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 13:16:42,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 01:16:42 BasicIcfg
[2022-02-19 13:16:42,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 13:16:42,740 INFO L158 Benchmark]: Toolchain (without parser) took 35433.13ms. Allocated memory was 177.2MB in the beginning and 5.0GB in the end (delta: 4.9GB). Free memory was 120.5MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB.
[2022-02-19 13:16:42,740 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 13:16:42,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.83ms. Allocated memory was 177.2MB in the beginning and 250.6MB in the end (delta: 73.4MB). Free memory was 120.4MB in the beginning and 210.5MB in the end (delta: -90.1MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB.
[2022-02-19 13:16:42,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.69ms. Allocated memory is still 250.6MB. Free memory was 210.5MB in the beginning and 208.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-19 13:16:42,741 INFO L158 Benchmark]: Boogie Preprocessor took 27.93ms. Allocated memory is still 250.6MB. Free memory was 208.5MB in the beginning and 206.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 13:16:42,741 INFO L158 Benchmark]: RCFGBuilder took 460.20ms. Allocated memory is still 250.6MB. Free memory was 206.9MB in the beginning and 194.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-19 13:16:42,741 INFO L158 Benchmark]: TraceAbstraction took 34468.26ms. Allocated memory was 250.6MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 193.8MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB.
[2022-02-19 13:16:42,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 424.83ms. Allocated memory was 177.2MB in the beginning and 250.6MB in the end (delta: 73.4MB). Free memory was 120.4MB in the beginning and 210.5MB in the end (delta: -90.1MB). Peak memory consumption was 16.5MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 46.69ms. Allocated memory is still 250.6MB. Free memory was 210.5MB in the beginning and 208.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 27.93ms. Allocated memory is still 250.6MB. Free memory was 208.5MB in the beginning and 206.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 460.20ms. Allocated memory is still 250.6MB. Free memory was 206.9MB in the beginning and 194.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 34468.26ms. Allocated memory was 250.6MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 193.8MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
- 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: 18]: 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 with 1 thread instances
CFG has 7 procedures, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 34.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 33.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 447 ConstructedInterpolants, 0 QuantifiedInterpolants, 1493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-19 13:16:42,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-02-19 13:16:43,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...