/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 06:53:17,631 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-09 06:53:17,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-09 06:53:17,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-09 06:53:17,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-09 06:53:17,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-09 06:53:17,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-09 06:53:17,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-09 06:53:17,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-09 06:53:17,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-09 06:53:17,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-09 06:53:17,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-09 06:53:17,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-09 06:53:17,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-09 06:53:17,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-09 06:53:17,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-09 06:53:17,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-09 06:53:17,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-09 06:53:17,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-09 06:53:17,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-09 06:53:17,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-09 06:53:17,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-09 06:53:17,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-09 06:53:17,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-09 06:53:17,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-09 06:53:17,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-09 06:53:17,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-09 06:53:17,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-09 06:53:17,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-09 06:53:17,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-09 06:53:17,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-09 06:53:17,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-09 06:53:17,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-09 06:53:17,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-09 06:53:17,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-09 06:53:17,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-09 06:53:17,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-09 06:53:17,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-09 06:53:17,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-09 06:53:17,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-09 06:53:17,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-09 06:53:17,742 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-POR-NewStatesSleep-NoLbe.epf
[2022-02-09 06:53:17,766 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-09 06:53:17,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 06:53:17,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 06:53:17,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 06:53:17,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 06:53:17,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 06:53:17,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 06:53:17,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-09 06:53:17,768 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-09 06:53:17,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 06:53:17,768 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-09 06:53:17,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-09 06:53:17,768 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-09 06:53:17,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-09 06:53:17,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 06:53:17,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-09 06:53:17,770 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-09 06:53:17,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-09 06:53:17,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 06:53:17,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 06:53:17,770 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-09 06:53:17,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 06:53:17,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 06:53:17,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-09 06:53:17,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 06:53:17,771 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-09 06:53:17,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-09 06:53:17,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 06:53:17,771 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-02-09 06:53:17,771 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 06:53:17,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 06:53:17,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 06:53:17,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 06:53:17,991 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-09 06:53:17,992 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-09 06:53:17,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c
[2022-02-09 06:53:18,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d1e88aa/ba9416cbee664c16a3481cc9ffff4b41/FLAGbe0af41bf
[2022-02-09 06:53:18,402 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-09 06:53:18,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c
[2022-02-09 06:53:18,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d1e88aa/ba9416cbee664c16a3481cc9ffff4b41/FLAGbe0af41bf
[2022-02-09 06:53:18,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d1e88aa/ba9416cbee664c16a3481cc9ffff4b41
[2022-02-09 06:53:18,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 06:53:18,833 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-09 06:53:18,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-09 06:53:18,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-09 06:53:18,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-09 06:53:18,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:53:18" (1/1) ...
[2022-02-09 06:53:18,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3555d174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:18, skipping insertion in model container
[2022-02-09 06:53:18,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:53:18" (1/1) ...
[2022-02-09 06:53:18,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-09 06:53:18,866 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-09 06:53:19,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100]
[2022-02-09 06:53:19,029 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 06:53:19,037 INFO L203 MainTranslator]: Completed pre-run
[2022-02-09 06:53:19,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100]
[2022-02-09 06:53:19,073 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 06:53:19,087 INFO L208 MainTranslator]: Completed translation
[2022-02-09 06:53:19,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19 WrapperNode
[2022-02-09 06:53:19,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-09 06:53:19,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 06:53:19,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 06:53:19,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 06:53:19,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,124 INFO L137 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76
[2022-02-09 06:53:19,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 06:53:19,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 06:53:19,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 06:53:19,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 06:53:19,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 06:53:19,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 06:53:19,159 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 06:53:19,159 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-09 06:53:19,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (1/1) ...
[2022-02-09 06:53:19,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 06:53:19,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 06:53:19,197 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)
[2022-02-09 06:53:19,214 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
[2022-02-09 06:53:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-09 06:53:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-02-09 06:53:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-09 06:53:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-02-09 06:53:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-09 06:53:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-09 06:53:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-09 06:53:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-09 06:53:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-09 06:53:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-09 06:53:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 06:53:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 06:53:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-09 06:53:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-09 06:53:19,241 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 06:53:19,305 INFO L234 CfgBuilder]: Building ICFG
[2022-02-09 06:53:19,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 06:53:19,430 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-09 06:53:19,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 06:53:19,462 INFO L299 CfgBuilder]: Removed 2 assume(true) statements.
[2022-02-09 06:53:19,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:53:19 BoogieIcfgContainer
[2022-02-09 06:53:19,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 06:53:19,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 06:53:19,466 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 06:53:19,469 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-09 06:53:19,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:53:18" (1/3) ...
[2022-02-09 06:53:19,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f94301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:53:19, skipping insertion in model container
[2022-02-09 06:53:19,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:53:19" (2/3) ...
[2022-02-09 06:53:19,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f94301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:53:19, skipping insertion in model container
[2022-02-09 06:53:19,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:53:19" (3/3) ...
[2022-02-09 06:53:19,471 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c
[2022-02-09 06:53:19,475 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 06:53:19,475 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 06:53:19,476 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 06:53:19,476 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 06:53:19,507 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,508 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,508 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,509 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,509 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,509 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,510 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,510 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,510 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,510 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,510 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,511 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,511 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,511 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,511 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,512 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,513 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,519 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,527 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 06:53:19,532 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-02-09 06:53:19,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-09 06:53:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 06:53:19,604 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)
[2022-02-09 06:53:19,606 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
[2022-02-09 06:53:19,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 06:53:19,652 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
[2022-02-09 06:53:19,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-09 06:53:19,773 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 06:53:19,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 06:53:19,784 INFO L85 PathProgramCache]: Analyzing trace with hash 255688613, now seen corresponding path program 1 times
[2022-02-09 06:53:19,795 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 06:53:19,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880472536]
[2022-02-09 06:53:19,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:19,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 06:53:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:19,993 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 06:53:19,993 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880472536]
[2022-02-09 06:53:19,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880472536] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 06:53:19,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 06:53:19,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-09 06:53:19,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121581712]
[2022-02-09 06:53:19,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 06:53:20,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-09 06:53:20,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 06:53:20,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-09 06:53:20,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-09 06:53:20,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:20,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 06:53:20,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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)
[2022-02-09 06:53:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:20,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:20,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-09 06:53:20,048 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 06:53:20,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 06:53:20,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1251942333, now seen corresponding path program 1 times
[2022-02-09 06:53:20,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 06:53:20,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257827427]
[2022-02-09 06:53:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:20,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 06:53:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:20,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 06:53:20,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257827427]
[2022-02-09 06:53:20,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257827427] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 06:53:20,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 06:53:20,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2022-02-09 06:53:20,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442067437]
[2022-02-09 06:53:20,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 06:53:20,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-09 06:53:20,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 06:53:20,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-09 06:53:20,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2022-02-09 06:53:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:20,793 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 06:53:20,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-09 06:53:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:21,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-09 06:53:21,296 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 06:53:21,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 06:53:21,297 INFO L85 PathProgramCache]: Analyzing trace with hash -640764965, now seen corresponding path program 1 times
[2022-02-09 06:53:21,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 06:53:21,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613944856]
[2022-02-09 06:53:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:21,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 06:53:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:21,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 06:53:21,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613944856]
[2022-02-09 06:53:21,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613944856] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 06:53:21,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781449130]
[2022-02-09 06:53:21,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:21,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:21,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 06:53:21,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 06:53:21,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-09 06:53:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:21,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core
[2022-02-09 06:53:21,729 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 06:53:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:22,571 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 06:53:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:23,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781449130] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 06:53:23,289 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 06:53:23,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 36
[2022-02-09 06:53:23,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941431085]
[2022-02-09 06:53:23,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 06:53:23,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states
[2022-02-09 06:53:23,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 06:53:23,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants.
[2022-02-09 06:53:23,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1064, Unknown=0, NotChecked=0, Total=1260
[2022-02-09 06:53:23,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:23,294 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 06:53:23,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.7222222222222223) internal successors, (134), 36 states have internal predecessors, (134), 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)
[2022-02-09 06:53:23,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:23,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:23,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2022-02-09 06:53:24,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-09 06:53:24,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2022-02-09 06:53:24,460 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 06:53:24,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 06:53:24,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1049889663, now seen corresponding path program 1 times
[2022-02-09 06:53:24,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 06:53:24,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65818425]
[2022-02-09 06:53:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:24,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 06:53:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:24,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 06:53:24,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65818425]
[2022-02-09 06:53:24,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65818425] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 06:53:24,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300140799]
[2022-02-09 06:53:24,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:24,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:24,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 06:53:24,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 06:53:24,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-09 06:53:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:24,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 23 conjunts are in the unsatisfiable core
[2022-02-09 06:53:24,915 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 06:53:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:25,468 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 06:53:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:26,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300140799] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 06:53:26,002 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 06:53:26,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 37
[2022-02-09 06:53:26,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447822935]
[2022-02-09 06:53:26,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 06:53:26,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states
[2022-02-09 06:53:26,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 06:53:26,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2022-02-09 06:53:26,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1170, Unknown=0, NotChecked=0, Total=1332
[2022-02-09 06:53:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:26,006 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 06:53:26,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.945945945945946) internal successors, (109), 37 states have internal predecessors, (109), 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)
[2022-02-09 06:53:26,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:26,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:26,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2022-02-09 06:53:26,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:26,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:26,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:26,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2022-02-09 06:53:26,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2022-02-09 06:53:27,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-09 06:53:27,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:27,176 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 06:53:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 06:53:27,177 INFO L85 PathProgramCache]: Analyzing trace with hash 812450429, now seen corresponding path program 2 times
[2022-02-09 06:53:27,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 06:53:27,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560027850]
[2022-02-09 06:53:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:27,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 06:53:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:27,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 06:53:27,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560027850]
[2022-02-09 06:53:27,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560027850] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 06:53:27,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796774983]
[2022-02-09 06:53:27,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 06:53:27,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:27,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 06:53:27,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 06:53:27,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-09 06:53:27,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 06:53:27,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 06:53:27,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core
[2022-02-09 06:53:27,585 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 06:53:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:28,412 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 06:53:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:29,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796774983] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 06:53:29,336 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 06:53:29,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 46
[2022-02-09 06:53:29,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850339741]
[2022-02-09 06:53:29,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 06:53:29,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2022-02-09 06:53:29,337 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 06:53:29,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2022-02-09 06:53:29,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1831, Unknown=0, NotChecked=0, Total=2070
[2022-02-09 06:53:29,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:29,339 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 06:53:29,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.239130434782609) internal successors, (149), 46 states have internal predecessors, (149), 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)
[2022-02-09 06:53:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states.
[2022-02-09 06:53:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states.
[2022-02-09 06:53:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:30,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:30,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:30,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2022-02-09 06:53:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2022-02-09 06:53:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2022-02-09 06:53:30,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2022-02-09 06:53:31,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:31,080 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 06:53:31,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 06:53:31,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1430927747, now seen corresponding path program 2 times
[2022-02-09 06:53:31,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 06:53:31,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560670417]
[2022-02-09 06:53:31,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:31,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 06:53:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:31,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 06:53:31,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560670417]
[2022-02-09 06:53:31,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560670417] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 06:53:31,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146064708]
[2022-02-09 06:53:31,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 06:53:31,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:31,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 06:53:31,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 06:53:31,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-09 06:53:31,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 06:53:31,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 06:53:31,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 35 conjunts are in the unsatisfiable core
[2022-02-09 06:53:31,560 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 06:53:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:32,400 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 06:53:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-09 06:53:33,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146064708] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 06:53:33,036 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 06:53:33,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 21] total 50
[2022-02-09 06:53:33,037 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666761926]
[2022-02-09 06:53:33,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 06:53:33,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2022-02-09 06:53:33,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 06:53:33,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2022-02-09 06:53:33,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2249, Unknown=0, NotChecked=0, Total=2450
[2022-02-09 06:53:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:33,039 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 06:53:33,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.7) internal successors, (135), 50 states have internal predecessors, (135), 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)
[2022-02-09 06:53:33,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:33,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:33,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states.
[2022-02-09 06:53:33,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states.
[2022-02-09 06:53:33,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states.
[2022-02-09 06:53:33,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2022-02-09 06:53:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2022-02-09 06:53:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states.
[2022-02-09 06:53:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states.
[2022-02-09 06:53:35,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-09 06:53:35,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:35,572 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 06:53:35,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 06:53:35,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1957792451, now seen corresponding path program 3 times
[2022-02-09 06:53:35,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 06:53:35,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557252427]
[2022-02-09 06:53:35,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 06:53:35,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 06:53:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 06:53:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-09 06:53:35,943 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 06:53:35,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557252427]
[2022-02-09 06:53:35,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557252427] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 06:53:35,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991440032]
[2022-02-09 06:53:35,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 06:53:35,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:35,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 06:53:35,945 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 06:53:35,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-09 06:53:36,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2022-02-09 06:53:36,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 06:53:36,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 40 conjunts are in the unsatisfiable core
[2022-02-09 06:53:36,009 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 06:53:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:36,954 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 06:53:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 06:53:38,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991440032] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 06:53:38,167 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 06:53:38,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 25, 25] total 60
[2022-02-09 06:53:38,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043877324]
[2022-02-09 06:53:38,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 06:53:38,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states
[2022-02-09 06:53:38,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 06:53:38,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants.
[2022-02-09 06:53:38,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=3216, Unknown=0, NotChecked=0, Total=3540
[2022-02-09 06:53:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:38,177 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 06:53:38,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.8833333333333333) internal successors, (173), 60 states have internal predecessors, (173), 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)
[2022-02-09 06:53:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states.
[2022-02-09 06:53:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states.
[2022-02-09 06:53:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states.
[2022-02-09 06:53:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states.
[2022-02-09 06:53:38,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 06:53:47,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2022-02-09 06:53:47,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states.
[2022-02-09 06:53:47,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2022-02-09 06:53:47,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states.
[2022-02-09 06:53:47,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states.
[2022-02-09 06:53:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states.
[2022-02-09 06:53:47,656 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-02-09 06:53:47,656 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining)
[2022-02-09 06:53:47,657 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining)
[2022-02-09 06:53:47,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-09 06:53:47,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 06:53:47,886 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1]
[2022-02-09 06:53:47,888 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 06:53:47,888 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 06:53:47,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:53:47 BasicIcfg
[2022-02-09 06:53:47,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 06:53:47,891 INFO L158 Benchmark]: Toolchain (without parser) took 29057.17ms. Allocated memory was 184.5MB in the beginning and 329.3MB in the end (delta: 144.7MB). Free memory was 128.4MB in the beginning and 124.3MB in the end (delta: 4.1MB). Peak memory consumption was 149.6MB. Max. memory is 8.0GB.
[2022-02-09 06:53:47,891 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 06:53:47,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.44ms. Allocated memory was 184.5MB in the beginning and 273.7MB in the end (delta: 89.1MB). Free memory was 128.3MB in the beginning and 244.8MB in the end (delta: -116.5MB). Peak memory consumption was 6.6MB. Max. memory is 8.0GB.
[2022-02-09 06:53:47,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.68ms. Allocated memory is still 273.7MB. Free memory was 244.8MB in the beginning and 243.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-09 06:53:47,892 INFO L158 Benchmark]: Boogie Preprocessor took 32.89ms. Allocated memory is still 273.7MB. Free memory was 243.2MB in the beginning and 242.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 06:53:47,892 INFO L158 Benchmark]: RCFGBuilder took 305.90ms. Allocated memory is still 273.7MB. Free memory was 241.7MB in the beginning and 228.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2022-02-09 06:53:47,892 INFO L158 Benchmark]: TraceAbstraction took 28424.22ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 227.5MB in the beginning and 124.3MB in the end (delta: 103.2MB). Peak memory consumption was 159.3MB. Max. memory is 8.0GB.
[2022-02-09 06:53:47,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 248.44ms. Allocated memory was 184.5MB in the beginning and 273.7MB in the end (delta: 89.1MB). Free memory was 128.3MB in the beginning and 244.8MB in the end (delta: -116.5MB). Peak memory consumption was 6.6MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 35.68ms. Allocated memory is still 273.7MB. Free memory was 244.8MB in the beginning and 243.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 32.89ms. Allocated memory is still 273.7MB. Free memory was 243.2MB in the beginning and 242.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 305.90ms. Allocated memory is still 273.7MB. Free memory was 241.7MB in the beginning and 228.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 28424.22ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 227.5MB in the beginning and 124.3MB in the end (delta: 103.2MB). Peak memory consumption was 159.3MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7371, positive: 5947, positive conditional: 5947, positive unconditional: 0, negative: 1424, negative conditional: 1424, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5947, positive: 5947, positive conditional: 5947, 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: 5947, positive: 5947, positive conditional: 5947, 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: 5947, positive: 5947, positive conditional: 5535, positive unconditional: 412, 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: 5947, positive: 5947, positive conditional: 2985, positive unconditional: 2962, 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: 5947, positive: 5947, positive conditional: 2985, positive unconditional: 2962, 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: 1096, positive: 1096, positive conditional: 921, positive unconditional: 175, 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: 1096, positive: 1086, positive conditional: 0, positive unconditional: 1086, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5947, positive: 4851, positive conditional: 2064, positive unconditional: 2787, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1096, unknown conditional: 921, unknown unconditional: 175] , Statistics on independence cache: Total cache size (in pairs): 1096, Positive cache size: 1096, Positive conditional cache size: 921, Positive unconditional cache size: 175, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 2550, Maximal queried relation: 0, Independence queries for same thread: 1424
- 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: 76]: 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 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 15.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 392, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 876 NumberOfCodeBlocks, 876 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1234 ConstructedInterpolants, 0 QuantifiedInterpolants, 10797 SizeOfPredicates, 72 NumberOfNonLiveVariables, 844 ConjunctsInSsa, 148 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 11/174 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!
[2022-02-09 06:53:47,922 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
[2022-02-09 06:53:48,125 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...