/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-18 13:38:05,467 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-18 13:38:05,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-18 13:38:05,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-18 13:38:05,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-18 13:38:05,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-18 13:38:05,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-18 13:38:05,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-18 13:38:05,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-18 13:38:05,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-18 13:38:05,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-18 13:38:05,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-18 13:38:05,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-18 13:38:05,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-18 13:38:05,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-18 13:38:05,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-18 13:38:05,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-18 13:38:05,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-18 13:38:05,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-18 13:38:05,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-18 13:38:05,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-18 13:38:05,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-18 13:38:05,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-18 13:38:05,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-18 13:38:05,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-18 13:38:05,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-18 13:38:05,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2022-02-18 13:38:05,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
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[2022-02-18 13:38:05,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2022-02-18 13:38:05,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-02-18 13:38:05,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-18 13:38:05,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-18 13:38:05,570 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-FA-NoLbe.epf
[2022-02-18 13:38:05,602 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-18 13:38:05,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-18 13:38:05,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-18 13:38:05,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-18 13:38:05,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-18 13:38:05,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-18 13:38:05,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-18 13:38:05,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-18 13:38:05,605 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-18 13:38:05,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-18 13:38:05,606 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-18 13:38:05,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-18 13:38:05,607 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-18 13:38:05,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-18 13:38:05,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-18 13:38:05,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-18 13:38:05,607 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-18 13:38:05,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-18 13:38:05,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 13:38:05,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-18 13:38:05,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-18 13:38:05,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-18 13:38:05,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-18 13:38:05,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-18 13:38:05,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-18 13:38:05,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-18 13:38:05,609 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-18 13:38:05,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-18 13:38:05,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-18 13:38:05,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-18 13:38:05,835 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-18 13:38:05,836 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-18 13:38:05,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-02-18 13:38:05,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e48f5b4/899e1a6953e54caca4ed1ceb47613e0d/FLAG125c84f9d
[2022-02-18 13:38:06,274 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-18 13:38:06,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-02-18 13:38:06,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e48f5b4/899e1a6953e54caca4ed1ceb47613e0d/FLAG125c84f9d
[2022-02-18 13:38:06,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e48f5b4/899e1a6953e54caca4ed1ceb47613e0d
[2022-02-18 13:38:06,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-18 13:38:06,299 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-18 13:38:06,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-18 13:38:06,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-18 13:38:06,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-18 13:38:06,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd2b7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06, skipping insertion in model container
[2022-02-18 13:38:06,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-18 13:38:06,370 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-18 13:38:06,559 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/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-02-18 13:38:06,702 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-18 13:38:06,709 INFO L203 MainTranslator]: Completed pre-run
[2022-02-18 13:38:06,720 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/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-02-18 13:38:06,746 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-18 13:38:06,777 INFO L208 MainTranslator]: Completed translation
[2022-02-18 13:38:06,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06 WrapperNode
[2022-02-18 13:38:06,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-18 13:38:06,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-18 13:38:06,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-18 13:38:06,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-18 13:38:06,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,826 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70
[2022-02-18 13:38:06,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-18 13:38:06,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-18 13:38:06,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-18 13:38:06,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-18 13:38:06,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-18 13:38:06,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-18 13:38:06,856 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-18 13:38:06,856 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-18 13:38:06,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (1/1) ...
[2022-02-18 13:38:06,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 13:38:06,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 13:38:06,888 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)
[2022-02-18 13:38:06,898 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
[2022-02-18 13:38:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2022-02-18 13:38:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2022-02-18 13:38:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2022-02-18 13:38:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2022-02-18 13:38:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-18 13:38:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-18 13:38:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-18 13:38:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-18 13:38:06,925 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-18 13:38:07,052 INFO L234 CfgBuilder]: Building ICFG
[2022-02-18 13:38:07,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-18 13:38:07,172 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-18 13:38:07,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-18 13:38:07,177 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-18 13:38:07,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:38:07 BoogieIcfgContainer
[2022-02-18 13:38:07,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-18 13:38:07,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-18 13:38:07,180 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-18 13:38:07,182 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-18 13:38:07,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:38:06" (1/3) ...
[2022-02-18 13:38:07,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af3c730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:38:07, skipping insertion in model container
[2022-02-18 13:38:07,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:38:06" (2/3) ...
[2022-02-18 13:38:07,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af3c730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:38:07, skipping insertion in model container
[2022-02-18 13:38:07,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:38:07" (3/3) ...
[2022-02-18 13:38:07,184 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-02-18 13:38:07,188 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-18 13:38:07,188 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-18 13:38:07,188 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-18 13:38:07,188 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-18 13:38:07,209 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,210 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,210 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,210 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,210 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,210 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,210 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,210 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,211 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,211 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,211 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,211 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,212 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,213 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,214 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,214 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,214 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,215 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,217 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,217 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,219 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,219 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,219 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,219 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,220 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,220 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,220 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 13:38:07,220 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-18 13:38:07,251 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-18 13:38:07,255 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrOverapproximateWrwc=true
[2022-02-18 13:38:07,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-18 13:38:07,262 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 98 places, 90 transitions, 195 flow
[2022-02-18 13:38:07,493 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5659 states, 5658 states have (on average 3.4782608695652173) internal successors, (19680), 5658 states have internal predecessors, (19680), 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)
[2022-02-18 13:38:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 5659 states, 5658 states have (on average 3.4782608695652173) internal successors, (19680), 5658 states have internal predecessors, (19680), 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)
[2022-02-18 13:38:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2022-02-18 13:38:07,540 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:07,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:07,541 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:07,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -36302498, now seen corresponding path program 1 times
[2022-02-18 13:38:07,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:07,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476342259]
[2022-02-18 13:38:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:07,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:07,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476342259]
[2022-02-18 13:38:07,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476342259] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:07,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:07,928 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 13:38:07,928 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424395582]
[2022-02-18 13:38:07,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:07,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 13:38:07,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:07,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 13:38:07,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-18 13:38:07,979 INFO L87 Difference]: Start difference. First operand has 5659 states, 5658 states have (on average 3.4782608695652173) internal successors, (19680), 5658 states have internal predecessors, (19680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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)
[2022-02-18 13:38:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:08,329 INFO L93 Difference]: Finished difference Result 9721 states and 32785 transitions.
[2022-02-18 13:38:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-18 13:38:08,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54
[2022-02-18 13:38:08,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:08,401 INFO L225 Difference]: With dead ends: 9721
[2022-02-18 13:38:08,402 INFO L226 Difference]: Without dead ends: 6277
[2022-02-18 13:38:08,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2022-02-18 13:38:08,407 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 123 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:08,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 506 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 13:38:08,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6277 states.
[2022-02-18 13:38:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6277 to 5437.
[2022-02-18 13:38:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5437 states, 5436 states have (on average 3.3566961000735835) internal successors, (18247), 5436 states have internal predecessors, (18247), 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)
[2022-02-18 13:38:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 5437 states and 18247 transitions.
[2022-02-18 13:38:08,711 INFO L78 Accepts]: Start accepts. Automaton has 5437 states and 18247 transitions. Word has length 54
[2022-02-18 13:38:08,711 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:08,711 INFO L470 AbstractCegarLoop]: Abstraction has 5437 states and 18247 transitions.
[2022-02-18 13:38:08,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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)
[2022-02-18 13:38:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5437 states and 18247 transitions.
[2022-02-18 13:38:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2022-02-18 13:38:08,723 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:08,723 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:08,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-18 13:38:08,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:08,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:08,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1607166845, now seen corresponding path program 1 times
[2022-02-18 13:38:08,724 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:08,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031471103]
[2022-02-18 13:38:08,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:08,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:08,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:08,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031471103]
[2022-02-18 13:38:08,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031471103] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:08,932 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:08,932 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 13:38:08,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114542602]
[2022-02-18 13:38:08,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:08,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 13:38:08,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 13:38:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-18 13:38:08,934 INFO L87 Difference]: Start difference. First operand 5437 states and 18247 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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)
[2022-02-18 13:38:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:09,088 INFO L93 Difference]: Finished difference Result 6067 states and 20236 transitions.
[2022-02-18 13:38:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-18 13:38:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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) Word has length 56
[2022-02-18 13:38:09,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:09,116 INFO L225 Difference]: With dead ends: 6067
[2022-02-18 13:38:09,116 INFO L226 Difference]: Without dead ends: 5017
[2022-02-18 13:38:09,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2022-02-18 13:38:09,120 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 95 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:09,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 429 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:38:09,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5017 states.
[2022-02-18 13:38:09,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5017 to 5017.
[2022-02-18 13:38:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5017 states, 5016 states have (on average 3.333532695374801) internal successors, (16721), 5016 states have internal predecessors, (16721), 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)
[2022-02-18 13:38:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 5017 states and 16721 transitions.
[2022-02-18 13:38:09,267 INFO L78 Accepts]: Start accepts. Automaton has 5017 states and 16721 transitions. Word has length 56
[2022-02-18 13:38:09,267 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:09,268 INFO L470 AbstractCegarLoop]: Abstraction has 5017 states and 16721 transitions.
[2022-02-18 13:38:09,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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)
[2022-02-18 13:38:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 16721 transitions.
[2022-02-18 13:38:09,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2022-02-18 13:38:09,280 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:09,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:09,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-18 13:38:09,281 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:09,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:09,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1112046493, now seen corresponding path program 1 times
[2022-02-18 13:38:09,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:09,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516170695]
[2022-02-18 13:38:09,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:09,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:09,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:09,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516170695]
[2022-02-18 13:38:09,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516170695] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:09,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:09,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-18 13:38:09,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265394870]
[2022-02-18 13:38:09,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:09,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-18 13:38:09,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:09,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-18 13:38:09,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-02-18 13:38:09,413 INFO L87 Difference]: Start difference. First operand 5017 states and 16721 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 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)
[2022-02-18 13:38:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:09,654 INFO L93 Difference]: Finished difference Result 7897 states and 25961 transitions.
[2022-02-18 13:38:09,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-02-18 13:38:09,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 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) Word has length 56
[2022-02-18 13:38:09,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:09,689 INFO L225 Difference]: With dead ends: 7897
[2022-02-18 13:38:09,689 INFO L226 Difference]: Without dead ends: 5857
[2022-02-18 13:38:09,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342
[2022-02-18 13:38:09,693 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 274 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:09,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 533 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 13:38:09,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states.
[2022-02-18 13:38:09,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 5017.
[2022-02-18 13:38:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5017 states, 5016 states have (on average 3.3175837320574164) internal successors, (16641), 5016 states have internal predecessors, (16641), 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)
[2022-02-18 13:38:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 5017 states and 16641 transitions.
[2022-02-18 13:38:09,837 INFO L78 Accepts]: Start accepts. Automaton has 5017 states and 16641 transitions. Word has length 56
[2022-02-18 13:38:09,838 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:09,838 INFO L470 AbstractCegarLoop]: Abstraction has 5017 states and 16641 transitions.
[2022-02-18 13:38:09,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 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)
[2022-02-18 13:38:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 16641 transitions.
[2022-02-18 13:38:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2022-02-18 13:38:09,850 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:09,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:09,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-18 13:38:09,850 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:09,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:09,851 INFO L85 PathProgramCache]: Analyzing trace with hash 190684856, now seen corresponding path program 1 times
[2022-02-18 13:38:09,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:09,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380029145]
[2022-02-18 13:38:09,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:09,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:09,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:09,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380029145]
[2022-02-18 13:38:09,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380029145] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:09,996 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:09,996 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-18 13:38:09,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882583181]
[2022-02-18 13:38:09,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:09,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-18 13:38:09,996 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:09,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-18 13:38:09,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2022-02-18 13:38:09,997 INFO L87 Difference]: Start difference. First operand 5017 states and 16641 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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)
[2022-02-18 13:38:10,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:10,134 INFO L93 Difference]: Finished difference Result 7457 states and 24446 transitions.
[2022-02-18 13:38:10,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-18 13:38:10,135 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58
[2022-02-18 13:38:10,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:10,150 INFO L225 Difference]: With dead ends: 7457
[2022-02-18 13:38:10,150 INFO L226 Difference]: Without dead ends: 4307
[2022-02-18 13:38:10,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2022-02-18 13:38:10,151 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 263 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:10,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 483 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:38:10,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4307 states.
[2022-02-18 13:38:10,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4307 to 3747.
[2022-02-18 13:38:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 3746 states have (on average 3.230912973838761) internal successors, (12103), 3746 states have internal predecessors, (12103), 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)
[2022-02-18 13:38:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 12103 transitions.
[2022-02-18 13:38:10,241 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 12103 transitions. Word has length 58
[2022-02-18 13:38:10,241 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:10,241 INFO L470 AbstractCegarLoop]: Abstraction has 3747 states and 12103 transitions.
[2022-02-18 13:38:10,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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)
[2022-02-18 13:38:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 12103 transitions.
[2022-02-18 13:38:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2022-02-18 13:38:10,247 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:10,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:10,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-18 13:38:10,248 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:10,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:10,248 INFO L85 PathProgramCache]: Analyzing trace with hash 720928124, now seen corresponding path program 1 times
[2022-02-18 13:38:10,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:10,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426342001]
[2022-02-18 13:38:10,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:10,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:10,306 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:10,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426342001]
[2022-02-18 13:38:10,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426342001] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:10,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:10,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 13:38:10,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890491793]
[2022-02-18 13:38:10,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:10,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 13:38:10,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:10,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 13:38:10,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-18 13:38:10,308 INFO L87 Difference]: Start difference. First operand 3747 states and 12103 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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)
[2022-02-18 13:38:10,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:10,387 INFO L93 Difference]: Finished difference Result 4167 states and 13394 transitions.
[2022-02-18 13:38:10,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-18 13:38:10,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58
[2022-02-18 13:38:10,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:10,398 INFO L225 Difference]: With dead ends: 4167
[2022-02-18 13:38:10,398 INFO L226 Difference]: Without dead ends: 3467
[2022-02-18 13:38:10,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2022-02-18 13:38:10,401 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 74 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:10,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 423 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:38:10,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states.
[2022-02-18 13:38:10,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3467.
[2022-02-18 13:38:10,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3467 states, 3466 states have (on average 3.2143681477207156) internal successors, (11141), 3466 states have internal predecessors, (11141), 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)
[2022-02-18 13:38:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3467 states and 11141 transitions.
[2022-02-18 13:38:10,498 INFO L78 Accepts]: Start accepts. Automaton has 3467 states and 11141 transitions. Word has length 58
[2022-02-18 13:38:10,498 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:10,498 INFO L470 AbstractCegarLoop]: Abstraction has 3467 states and 11141 transitions.
[2022-02-18 13:38:10,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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)
[2022-02-18 13:38:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 11141 transitions.
[2022-02-18 13:38:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2022-02-18 13:38:10,504 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:10,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:10,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-18 13:38:10,505 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:10,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:10,506 INFO L85 PathProgramCache]: Analyzing trace with hash -2140819429, now seen corresponding path program 1 times
[2022-02-18 13:38:10,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:10,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591162113]
[2022-02-18 13:38:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:10,591 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:10,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591162113]
[2022-02-18 13:38:10,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591162113] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:10,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:10,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 13:38:10,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066708588]
[2022-02-18 13:38:10,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:10,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 13:38:10,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 13:38:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-18 13:38:10,593 INFO L87 Difference]: Start difference. First operand 3467 states and 11141 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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)
[2022-02-18 13:38:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:10,682 INFO L93 Difference]: Finished difference Result 4408 states and 14026 transitions.
[2022-02-18 13:38:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-18 13:38:10,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60
[2022-02-18 13:38:10,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:10,691 INFO L225 Difference]: With dead ends: 4408
[2022-02-18 13:38:10,691 INFO L226 Difference]: Without dead ends: 3208
[2022-02-18 13:38:10,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2022-02-18 13:38:10,692 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 133 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:10,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 345 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:38:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states.
[2022-02-18 13:38:10,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3208.
[2022-02-18 13:38:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 3.1705643903960086) internal successors, (10168), 3207 states have internal predecessors, (10168), 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)
[2022-02-18 13:38:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 10168 transitions.
[2022-02-18 13:38:10,762 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 10168 transitions. Word has length 60
[2022-02-18 13:38:10,763 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:10,763 INFO L470 AbstractCegarLoop]: Abstraction has 3208 states and 10168 transitions.
[2022-02-18 13:38:10,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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)
[2022-02-18 13:38:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 10168 transitions.
[2022-02-18 13:38:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2022-02-18 13:38:10,769 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:10,769 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:10,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-18 13:38:10,769 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:10,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:10,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1296354669, now seen corresponding path program 1 times
[2022-02-18 13:38:10,770 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:10,771 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499888404]
[2022-02-18 13:38:10,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:10,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:10,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:10,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499888404]
[2022-02-18 13:38:10,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499888404] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:10,865 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:10,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-18 13:38:10,866 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006101815]
[2022-02-18 13:38:10,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:10,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-18 13:38:10,867 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:10,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-18 13:38:10,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-02-18 13:38:10,868 INFO L87 Difference]: Start difference. First operand 3208 states and 10168 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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)
[2022-02-18 13:38:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:10,953 INFO L93 Difference]: Finished difference Result 3445 states and 10659 transitions.
[2022-02-18 13:38:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-02-18 13:38:10,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61
[2022-02-18 13:38:10,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:10,960 INFO L225 Difference]: With dead ends: 3445
[2022-02-18 13:38:10,960 INFO L226 Difference]: Without dead ends: 2410
[2022-02-18 13:38:10,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2022-02-18 13:38:10,961 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 217 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:10,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 387 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:38:10,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states.
[2022-02-18 13:38:10,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2410.
[2022-02-18 13:38:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2409 states have (on average 3.041095890410959) internal successors, (7326), 2409 states have internal predecessors, (7326), 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)
[2022-02-18 13:38:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 7326 transitions.
[2022-02-18 13:38:11,006 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 7326 transitions. Word has length 61
[2022-02-18 13:38:11,007 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:11,007 INFO L470 AbstractCegarLoop]: Abstraction has 2410 states and 7326 transitions.
[2022-02-18 13:38:11,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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)
[2022-02-18 13:38:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 7326 transitions.
[2022-02-18 13:38:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2022-02-18 13:38:11,012 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:11,012 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:11,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-18 13:38:11,012 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:11,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1413529468, now seen corresponding path program 1 times
[2022-02-18 13:38:11,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:11,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313916811]
[2022-02-18 13:38:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:11,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:11,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313916811]
[2022-02-18 13:38:11,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313916811] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:11,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:11,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-18 13:38:11,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983463988]
[2022-02-18 13:38:11,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:11,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-18 13:38:11,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:11,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-18 13:38:11,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-02-18 13:38:11,092 INFO L87 Difference]: Start difference. First operand 2410 states and 7326 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 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)
[2022-02-18 13:38:11,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:11,192 INFO L93 Difference]: Finished difference Result 2050 states and 6072 transitions.
[2022-02-18 13:38:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-18 13:38:11,192 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 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) Word has length 63
[2022-02-18 13:38:11,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:11,195 INFO L225 Difference]: With dead ends: 2050
[2022-02-18 13:38:11,195 INFO L226 Difference]: Without dead ends: 1077
[2022-02-18 13:38:11,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2022-02-18 13:38:11,196 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 265 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:11,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 384 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:38:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states.
[2022-02-18 13:38:11,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1029.
[2022-02-18 13:38:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 1028 states have (on average 2.8784046692607004) internal successors, (2959), 1028 states have internal predecessors, (2959), 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)
[2022-02-18 13:38:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 2959 transitions.
[2022-02-18 13:38:11,215 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 2959 transitions. Word has length 63
[2022-02-18 13:38:11,215 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:11,215 INFO L470 AbstractCegarLoop]: Abstraction has 1029 states and 2959 transitions.
[2022-02-18 13:38:11,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 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)
[2022-02-18 13:38:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2959 transitions.
[2022-02-18 13:38:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2022-02-18 13:38:11,217 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 13:38:11,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:11,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-02-18 13:38:11,218 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 13:38:11,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 13:38:11,218 INFO L85 PathProgramCache]: Analyzing trace with hash 578796977, now seen corresponding path program 1 times
[2022-02-18 13:38:11,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 13:38:11,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590403388]
[2022-02-18 13:38:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 13:38:11,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 13:38:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 13:38:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 13:38:11,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 13:38:11,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590403388]
[2022-02-18 13:38:11,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590403388] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 13:38:11,283 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 13:38:11,283 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-18 13:38:11,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422351615]
[2022-02-18 13:38:11,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 13:38:11,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-18 13:38:11,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 13:38:11,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-18 13:38:11,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-02-18 13:38:11,284 INFO L87 Difference]: Start difference. First operand 1029 states and 2959 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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)
[2022-02-18 13:38:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 13:38:11,351 INFO L93 Difference]: Finished difference Result 1023 states and 2949 transitions.
[2022-02-18 13:38:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-02-18 13:38:11,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65
[2022-02-18 13:38:11,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 13:38:11,352 INFO L225 Difference]: With dead ends: 1023
[2022-02-18 13:38:11,352 INFO L226 Difference]: Without dead ends: 0
[2022-02-18 13:38:11,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2022-02-18 13:38:11,353 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 96 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-18 13:38:11,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 401 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-18 13:38:11,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-18 13:38:11,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-18 13:38:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 13:38:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-18 13:38:11,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65
[2022-02-18 13:38:11,354 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 13:38:11,354 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-18 13:38:11,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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)
[2022-02-18 13:38:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-18 13:38:11,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-18 13:38:11,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2022-02-18 13:38:11,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-18 13:38:11,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-18 13:38:11,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-18 13:38:11,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-02-18 13:38:11,359 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 13:38:11,360 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-18 13:38:11,360 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-18 13:38:11,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:38:11 BasicIcfg
[2022-02-18 13:38:11,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-18 13:38:11,362 INFO L158 Benchmark]: Toolchain (without parser) took 5064.04ms. Allocated memory was 208.7MB in the beginning and 795.9MB in the end (delta: 587.2MB). Free memory was 151.9MB in the beginning and 633.9MB in the end (delta: -482.0MB). Peak memory consumption was 106.0MB. Max. memory is 8.0GB.
[2022-02-18 13:38:11,363 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-18 13:38:11,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.46ms. Allocated memory was 208.7MB in the beginning and 306.2MB in the end (delta: 97.5MB). Free memory was 151.7MB in the beginning and 268.3MB in the end (delta: -116.5MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB.
[2022-02-18 13:38:11,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 306.2MB. Free memory was 268.3MB in the beginning and 266.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-18 13:38:11,363 INFO L158 Benchmark]: Boogie Preprocessor took 28.10ms. Allocated memory is still 306.2MB. Free memory was 266.2MB in the beginning and 265.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-18 13:38:11,363 INFO L158 Benchmark]: RCFGBuilder took 322.70ms. Allocated memory is still 306.2MB. Free memory was 265.2MB in the beginning and 252.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-18 13:38:11,364 INFO L158 Benchmark]: TraceAbstraction took 4182.17ms. Allocated memory was 306.2MB in the beginning and 795.9MB in the end (delta: 489.7MB). Free memory was 251.5MB in the beginning and 633.9MB in the end (delta: -382.4MB). Peak memory consumption was 106.7MB. Max. memory is 8.0GB.
[2022-02-18 13:38:11,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 478.46ms. Allocated memory was 208.7MB in the beginning and 306.2MB in the end (delta: 97.5MB). Free memory was 151.7MB in the beginning and 268.3MB in the end (delta: -116.5MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 48.13ms. Allocated memory is still 306.2MB. Free memory was 268.3MB in the beginning and 266.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 28.10ms. Allocated memory is still 306.2MB. Free memory was 266.2MB in the beginning and 265.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 322.70ms. Allocated memory is still 306.2MB. Free memory was 265.2MB in the beginning and 252.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 4182.17ms. Allocated memory was 306.2MB in the beginning and 795.9MB in the end (delta: 489.7MB). Free memory was 251.5MB in the beginning and 633.9MB in the end (delta: -382.4MB). Peak memory consumption was 106.7MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 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, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1540 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1540 mSDsluCounter, 3891 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3074 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 494 IncrementalHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 914 mSDtfsCounter, 494 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5659occurred in iteration=0, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 2288 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 531 NumberOfCodeBlocks, 531 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 2118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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!
[2022-02-18 13:38:11,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...