/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-10 01:42:23,189 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-10 01:42:23,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-10 01:42:23,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-10 01:42:23,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-10 01:42:23,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2022-02-10 01:42:23,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2022-02-10 01:42:23,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-10 01:42:23,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-10 01:42:23,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-10 01:42:23,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-10 01:42:23,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-10 01:42:23,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-10 01:42:23,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-10 01:42:23,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-10 01:42:23,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-10 01:42:23,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-10 01:42:23,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-02-10 01:42:23,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-10 01:42:23,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-10 01:42:23,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf
[2022-02-10 01:42:23,357 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-10 01:42:23,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-10 01:42:23,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-10 01:42:23,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-10 01:42:23,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-10 01:42:23,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-10 01:42:23,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-10 01:42:23,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-10 01:42:23,359 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-10 01:42:23,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-10 01:42:23,359 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-10 01:42:23,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-10 01:42:23,359 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-10 01:42:23,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-10 01:42:23,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-10 01:42:23,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-10 01:42:23,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 01:42:23,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-10 01:42:23,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-10 01:42:23,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-10 01:42:23,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-10 01:42:23,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-10 01:42:23,361 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-10 01:42:23,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-10 01:42:23,361 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-10 01:42:23,361 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-10 01:42:23,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-10 01:42:23,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-10 01:42:23,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-10 01:42:23,598 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-10 01:42:23,602 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-10 01:42:23,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-02-10 01:42:23,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cf4fb29/41d2e3d341b64c3eae31300fd5633e34/FLAGebfc56894
[2022-02-10 01:42:24,088 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-10 01:42:24,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-02-10 01:42:24,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cf4fb29/41d2e3d341b64c3eae31300fd5633e34/FLAGebfc56894
[2022-02-10 01:42:24,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cf4fb29/41d2e3d341b64c3eae31300fd5633e34
[2022-02-10 01:42:24,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-10 01:42:24,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-10 01:42:24,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-10 01:42:24,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-10 01:42:24,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-10 01:42:24,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef643ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24, skipping insertion in model container
[2022-02-10 01:42:24,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-10 01:42:24,172 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-10 01:42:24,334 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-02-10 01:42:24,448 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 01:42:24,455 INFO L203 MainTranslator]: Completed pre-run
[2022-02-10 01:42:24,463 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988]
[2022-02-10 01:42:24,483 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 01:42:24,534 INFO L208 MainTranslator]: Completed translation
[2022-02-10 01:42:24,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24 WrapperNode
[2022-02-10 01:42:24,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-10 01:42:24,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-10 01:42:24,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-10 01:42:24,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-10 01:42:24,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,587 INFO L137 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2022-02-10 01:42:24,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-10 01:42:24,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-10 01:42:24,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-10 01:42:24,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-10 01:42:24,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-10 01:42:24,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-10 01:42:24,605 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-10 01:42:24,605 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-10 01:42:24,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (1/1) ...
[2022-02-10 01:42:24,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 01:42:24,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 01:42:24,630 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)
[2022-02-10 01:42:24,633 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
[2022-02-10 01:42:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-10 01:42:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-10 01:42:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-10 01:42:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-10 01:42:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-10 01:42:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2022-02-10 01:42:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2022-02-10 01:42:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2022-02-10 01:42:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2022-02-10 01:42:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2022-02-10 01:42:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2022-02-10 01:42:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-10 01:42:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-10 01:42:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-10 01:42:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-10 01:42:24,682 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-10 01:42:24,811 INFO L234 CfgBuilder]: Building ICFG
[2022-02-10 01:42:24,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-10 01:42:25,036 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-10 01:42:25,042 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-10 01:42:25,042 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-10 01:42:25,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:42:25 BoogieIcfgContainer
[2022-02-10 01:42:25,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-10 01:42:25,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-10 01:42:25,056 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-10 01:42:25,059 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-10 01:42:25,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 01:42:24" (1/3) ...
[2022-02-10 01:42:25,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c94322c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:42:25, skipping insertion in model container
[2022-02-10 01:42:25,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:42:24" (2/3) ...
[2022-02-10 01:42:25,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c94322c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:42:25, skipping insertion in model container
[2022-02-10 01:42:25,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:42:25" (3/3) ...
[2022-02-10 01:42:25,061 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i
[2022-02-10 01:42:25,064 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-10 01:42:25,064 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-10 01:42:25,064 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-10 01:42:25,064 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-10 01:42:25,098 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,098 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,098 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,098 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,098 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,098 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,098 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,099 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,099 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,099 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,099 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,099 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,100 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,101 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,102 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,102 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,105 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,105 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,105 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,105 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,107 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,107 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,108 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,108 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,108 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,108 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 01:42:25,108 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-10 01:42:25,141 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-10 01:42:25,146 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
[2022-02-10 01:42:25,146 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-10 01:42:25,153 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 91 transitions, 197 flow
[2022-02-10 01:42:25,511 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5660 states, 5659 states have (on average 3.477822936914649) internal successors, (19681), 5659 states have internal predecessors, (19681), 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)
[2022-02-10 01:42:47,716 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 910047 transitions and produced 292634 states.
[2022-02-10 01:42:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 292634 states, 214072 states have (on average 1.3750093426510708) internal successors, (294351), 292633 states have internal predecessors, (294351), 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)
[2022-02-10 01:42:51,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2022-02-10 01:42:51,886 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:42:51,887 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]
[2022-02-10 01:42:51,888 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:42:51,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:42:51,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1558539592, now seen corresponding path program 1 times
[2022-02-10 01:42:51,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:42:51,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582756205]
[2022-02-10 01:42:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:42:51,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:42:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:42:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:42:52,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:42:52,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582756205]
[2022-02-10 01:42:52,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582756205] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:42:52,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:42:52,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-10 01:42:52,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46330522]
[2022-02-10 01:42:52,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:42:52,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-10 01:42:52,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:42:52,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-10 01:42:52,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-10 01:42:57,800 INFO L87 Difference]: Start difference. First operand has 292634 states, 214072 states have (on average 1.3750093426510708) internal successors, (294351), 292633 states have internal predecessors, (294351), 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 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:04,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:04,284 INFO L93 Difference]: Finished difference Result 162812 states and 163701 transitions.
[2022-02-10 01:43:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-10 01:43:04,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55
[2022-02-10 01:43:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:04,475 INFO L225 Difference]: With dead ends: 162812
[2022-02-10 01:43:04,479 INFO L226 Difference]: Without dead ends: 15985
[2022-02-10 01:43:04,482 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
[2022-02-10 01:43:04,488 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 100 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:04,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 445 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:04,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15985 states.
[2022-02-10 01:43:05,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15985 to 2316.
[2022-02-10 01:43:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2316 states, 2274 states have (on average 1.195250659630607) internal successors, (2718), 2315 states have internal predecessors, (2718), 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)
[2022-02-10 01:43:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 2718 transitions.
[2022-02-10 01:43:05,358 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 2718 transitions. Word has length 55
[2022-02-10 01:43:05,360 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:05,360 INFO L470 AbstractCegarLoop]: Abstraction has 2316 states and 2718 transitions.
[2022-02-10 01:43:05,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 2718 transitions.
[2022-02-10 01:43:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2022-02-10 01:43:05,380 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:05,381 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]
[2022-02-10 01:43:05,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-10 01:43:05,381 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:05,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2090390087, now seen corresponding path program 1 times
[2022-02-10 01:43:05,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:05,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118479366]
[2022-02-10 01:43:05,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:05,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:05,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:05,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118479366]
[2022-02-10 01:43:05,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118479366] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:05,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:05,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-10 01:43:05,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346761872]
[2022-02-10 01:43:05,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:05,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-10 01:43:05,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:05,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-10 01:43:05,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-02-10 01:43:05,642 INFO L87 Difference]: Start difference. First operand 2316 states and 2718 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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)
[2022-02-10 01:43:05,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:05,742 INFO L93 Difference]: Finished difference Result 2220 states and 2590 transitions.
[2022-02-10 01:43:05,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-10 01:43:05,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 57
[2022-02-10 01:43:05,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:05,753 INFO L225 Difference]: With dead ends: 2220
[2022-02-10 01:43:05,753 INFO L226 Difference]: Without dead ends: 1912
[2022-02-10 01:43:05,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2022-02-10 01:43:05,755 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 70 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:05,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 297 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:05,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states.
[2022-02-10 01:43:05,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1910.
[2022-02-10 01:43:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1880 states have (on average 1.2095744680851064) internal successors, (2274), 1909 states have internal predecessors, (2274), 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)
[2022-02-10 01:43:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2274 transitions.
[2022-02-10 01:43:05,809 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2274 transitions. Word has length 57
[2022-02-10 01:43:05,810 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:05,810 INFO L470 AbstractCegarLoop]: Abstraction has 1910 states and 2274 transitions.
[2022-02-10 01:43:05,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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)
[2022-02-10 01:43:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2274 transitions.
[2022-02-10 01:43:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2022-02-10 01:43:05,813 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:05,814 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]
[2022-02-10 01:43:05,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-10 01:43:05,814 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:05,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1744082714, now seen corresponding path program 1 times
[2022-02-10 01:43:05,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:05,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559205638]
[2022-02-10 01:43:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:05,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:05,915 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:05,915 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559205638]
[2022-02-10 01:43:05,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559205638] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:05,916 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:05,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-10 01:43:05,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104742278]
[2022-02-10 01:43:05,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:05,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-10 01:43:05,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:05,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-10 01:43:05,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-02-10 01:43:05,917 INFO L87 Difference]: Start difference. First operand 1910 states and 2274 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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)
[2022-02-10 01:43:06,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:06,053 INFO L93 Difference]: Finished difference Result 2548 states and 2883 transitions.
[2022-02-10 01:43:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-10 01:43:06,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59
[2022-02-10 01:43:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:06,059 INFO L225 Difference]: With dead ends: 2548
[2022-02-10 01:43:06,060 INFO L226 Difference]: Without dead ends: 1794
[2022-02-10 01:43:06,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182
[2022-02-10 01:43:06,061 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:06,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 354 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:06,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states.
[2022-02-10 01:43:06,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1784.
[2022-02-10 01:43:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1754 states have (on average 1.2029646522234891) internal successors, (2110), 1783 states have internal predecessors, (2110), 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)
[2022-02-10 01:43:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2110 transitions.
[2022-02-10 01:43:06,096 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2110 transitions. Word has length 59
[2022-02-10 01:43:06,096 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:06,096 INFO L470 AbstractCegarLoop]: Abstraction has 1784 states and 2110 transitions.
[2022-02-10 01:43:06,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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)
[2022-02-10 01:43:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2110 transitions.
[2022-02-10 01:43:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2022-02-10 01:43:06,099 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:06,099 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]
[2022-02-10 01:43:06,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-10 01:43:06,099 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:06,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:06,100 INFO L85 PathProgramCache]: Analyzing trace with hash -420572641, now seen corresponding path program 1 times
[2022-02-10 01:43:06,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:06,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724431903]
[2022-02-10 01:43:06,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:06,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:06,197 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:06,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724431903]
[2022-02-10 01:43:06,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724431903] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:06,197 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:06,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-10 01:43:06,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449119160]
[2022-02-10 01:43:06,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:06,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-10 01:43:06,198 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:06,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-10 01:43:06,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2022-02-10 01:43:06,199 INFO L87 Difference]: Start difference. First operand 1784 states and 2110 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 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)
[2022-02-10 01:43:06,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:06,301 INFO L93 Difference]: Finished difference Result 2322 states and 2607 transitions.
[2022-02-10 01:43:06,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-10 01:43:06,302 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 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
[2022-02-10 01:43:06,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:06,305 INFO L225 Difference]: With dead ends: 2322
[2022-02-10 01:43:06,305 INFO L226 Difference]: Without dead ends: 1323
[2022-02-10 01:43:06,306 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
[2022-02-10 01:43:06,306 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 167 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:06,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 332 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:06,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states.
[2022-02-10 01:43:06,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323.
[2022-02-10 01:43:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1303 states have (on average 1.1918649270913277) internal successors, (1553), 1322 states have internal predecessors, (1553), 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)
[2022-02-10 01:43:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1553 transitions.
[2022-02-10 01:43:06,328 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1553 transitions. Word has length 60
[2022-02-10 01:43:06,328 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:06,328 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1553 transitions.
[2022-02-10 01:43:06,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 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)
[2022-02-10 01:43:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1553 transitions.
[2022-02-10 01:43:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2022-02-10 01:43:06,330 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:06,330 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]
[2022-02-10 01:43:06,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-10 01:43:06,330 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:06,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:06,331 INFO L85 PathProgramCache]: Analyzing trace with hash -666391803, now seen corresponding path program 1 times
[2022-02-10 01:43:06,331 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:06,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124371034]
[2022-02-10 01:43:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:06,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:06,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:06,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124371034]
[2022-02-10 01:43:06,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124371034] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:06,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:06,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-10 01:43:06,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402189468]
[2022-02-10 01:43:06,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:06,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-10 01:43:06,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:06,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-10 01:43:06,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2022-02-10 01:43:06,424 INFO L87 Difference]: Start difference. First operand 1323 states and 1553 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 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)
[2022-02-10 01:43:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:06,520 INFO L93 Difference]: Finished difference Result 1635 states and 1792 transitions.
[2022-02-10 01:43:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-02-10 01:43:06,520 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 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
[2022-02-10 01:43:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:06,522 INFO L225 Difference]: With dead ends: 1635
[2022-02-10 01:43:06,522 INFO L226 Difference]: Without dead ends: 797
[2022-02-10 01:43:06,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2022-02-10 01:43:06,523 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 97 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:06,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 378 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states.
[2022-02-10 01:43:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797.
[2022-02-10 01:43:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 777 states have (on average 1.1492921492921493) internal successors, (893), 796 states have internal predecessors, (893), 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)
[2022-02-10 01:43:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 893 transitions.
[2022-02-10 01:43:06,538 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 893 transitions. Word has length 61
[2022-02-10 01:43:06,538 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:06,538 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 893 transitions.
[2022-02-10 01:43:06,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 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)
[2022-02-10 01:43:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 893 transitions.
[2022-02-10 01:43:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-10 01:43:06,540 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:06,540 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]
[2022-02-10 01:43:06,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-10 01:43:06,540 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:06,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:06,541 INFO L85 PathProgramCache]: Analyzing trace with hash -518051522, now seen corresponding path program 1 times
[2022-02-10 01:43:06,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:06,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108438103]
[2022-02-10 01:43:06,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:06,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:06,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:06,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108438103]
[2022-02-10 01:43:06,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108438103] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:06,611 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:06,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-10 01:43:06,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106560689]
[2022-02-10 01:43:06,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:06,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-10 01:43:06,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:06,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-10 01:43:06,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-10 01:43:06,613 INFO L87 Difference]: Start difference. First operand 797 states and 893 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:06,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:06,661 INFO L93 Difference]: Finished difference Result 773 states and 864 transitions.
[2022-02-10 01:43:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-10 01:43:06,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-10 01:43:06,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:06,664 INFO L225 Difference]: With dead ends: 773
[2022-02-10 01:43:06,665 INFO L226 Difference]: Without dead ends: 768
[2022-02-10 01:43:06,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-02-10 01:43:06,666 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 64 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:06,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 257 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states.
[2022-02-10 01:43:06,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 768.
[2022-02-10 01:43:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 748 states have (on average 1.1483957219251337) internal successors, (859), 767 states have internal predecessors, (859), 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)
[2022-02-10 01:43:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 859 transitions.
[2022-02-10 01:43:06,681 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 859 transitions. Word has length 62
[2022-02-10 01:43:06,682 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:06,682 INFO L470 AbstractCegarLoop]: Abstraction has 768 states and 859 transitions.
[2022-02-10 01:43:06,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 859 transitions.
[2022-02-10 01:43:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2022-02-10 01:43:06,683 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:06,684 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]
[2022-02-10 01:43:06,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-10 01:43:06,684 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:06,684 INFO L85 PathProgramCache]: Analyzing trace with hash -901119078, now seen corresponding path program 1 times
[2022-02-10 01:43:06,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:06,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528870972]
[2022-02-10 01:43:06,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:06,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:06,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:06,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528870972]
[2022-02-10 01:43:06,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528870972] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:06,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:06,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-10 01:43:06,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998659357]
[2022-02-10 01:43:06,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:06,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-10 01:43:06,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:06,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-10 01:43:06,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-02-10 01:43:06,844 INFO L87 Difference]: Start difference. First operand 768 states and 859 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:06,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:06,910 INFO L93 Difference]: Finished difference Result 674 states and 744 transitions.
[2022-02-10 01:43:06,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-02-10 01:43:06,911 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63
[2022-02-10 01:43:06,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:06,913 INFO L225 Difference]: With dead ends: 674
[2022-02-10 01:43:06,913 INFO L226 Difference]: Without dead ends: 654
[2022-02-10 01:43:06,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2022-02-10 01:43:06,915 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 109 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:06,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 277 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states.
[2022-02-10 01:43:06,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654.
[2022-02-10 01:43:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 636 states have (on average 1.1383647798742138) internal successors, (724), 653 states have internal predecessors, (724), 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)
[2022-02-10 01:43:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 724 transitions.
[2022-02-10 01:43:06,929 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 724 transitions. Word has length 63
[2022-02-10 01:43:06,929 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:06,930 INFO L470 AbstractCegarLoop]: Abstraction has 654 states and 724 transitions.
[2022-02-10 01:43:06,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 724 transitions.
[2022-02-10 01:43:06,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2022-02-10 01:43:06,931 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:06,931 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]
[2022-02-10 01:43:06,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-10 01:43:06,932 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:06,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:06,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1102124682, now seen corresponding path program 1 times
[2022-02-10 01:43:06,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:06,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420421363]
[2022-02-10 01:43:06,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:06,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:07,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:07,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:07,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420421363]
[2022-02-10 01:43:07,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420421363] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:07,052 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:07,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-02-10 01:43:07,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060334426]
[2022-02-10 01:43:07,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:07,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-10 01:43:07,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:07,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-10 01:43:07,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-02-10 01:43:07,054 INFO L87 Difference]: Start difference. First operand 654 states and 724 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:07,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:07,123 INFO L93 Difference]: Finished difference Result 459 states and 493 transitions.
[2022-02-10 01:43:07,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-10 01:43:07,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64
[2022-02-10 01:43:07,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:07,125 INFO L225 Difference]: With dead ends: 459
[2022-02-10 01:43:07,125 INFO L226 Difference]: Without dead ends: 364
[2022-02-10 01:43:07,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2022-02-10 01:43:07,126 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 156 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:07,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 259 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:07,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states.
[2022-02-10 01:43:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 363.
[2022-02-10 01:43:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 354 states have (on average 1.1214689265536724) internal successors, (397), 362 states have internal predecessors, (397), 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)
[2022-02-10 01:43:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 397 transitions.
[2022-02-10 01:43:07,133 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 397 transitions. Word has length 64
[2022-02-10 01:43:07,133 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:07,133 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 397 transitions.
[2022-02-10 01:43:07,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-10 01:43:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 397 transitions.
[2022-02-10 01:43:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2022-02-10 01:43:07,134 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 01:43:07,134 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, 1]
[2022-02-10 01:43:07,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-02-10 01:43:07,134 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 01:43:07,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 01:43:07,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1730330867, now seen corresponding path program 1 times
[2022-02-10 01:43:07,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 01:43:07,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141773778]
[2022-02-10 01:43:07,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 01:43:07,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 01:43:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 01:43:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 01:43:07,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 01:43:07,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141773778]
[2022-02-10 01:43:07,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141773778] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 01:43:07,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 01:43:07,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-10 01:43:07,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117639521]
[2022-02-10 01:43:07,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 01:43:07,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-10 01:43:07,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 01:43:07,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-10 01:43:07,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-02-10 01:43:07,228 INFO L87 Difference]: Start difference. First operand 363 states and 397 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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)
[2022-02-10 01:43:07,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 01:43:07,296 INFO L93 Difference]: Finished difference Result 306 states and 317 transitions.
[2022-02-10 01:43:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-02-10 01:43:07,296 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 66
[2022-02-10 01:43:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 01:43:07,296 INFO L225 Difference]: With dead ends: 306
[2022-02-10 01:43:07,296 INFO L226 Difference]: Without dead ends: 0
[2022-02-10 01:43:07,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2022-02-10 01:43:07,297 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 66 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 01:43:07,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 284 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 01:43:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-10 01:43:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-10 01:43:07,298 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)
[2022-02-10 01:43:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-10 01:43:07,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66
[2022-02-10 01:43:07,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 01:43:07,298 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-10 01:43:07,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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)
[2022-02-10 01:43:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-10 01:43:07,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-10 01:43:07,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2022-02-10 01:43:07,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-10 01:43:07,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-10 01:43:07,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-10 01:43:07,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-02-10 01:43:07,308 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-10 01:43:07,310 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-10 01:43:07,310 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-10 01:43:07,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 01:43:07 BasicIcfg
[2022-02-10 01:43:07,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-10 01:43:07,312 INFO L158 Benchmark]: Toolchain (without parser) took 43185.90ms. Allocated memory was 210.8MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 159.1MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB.
[2022-02-10 01:43:07,313 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 176.8MB in the beginning and 176.6MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-10 01:43:07,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.74ms. Allocated memory is still 210.8MB. Free memory was 159.0MB in the beginning and 176.5MB in the end (delta: -17.5MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB.
[2022-02-10 01:43:07,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.43ms. Allocated memory is still 210.8MB. Free memory was 176.5MB in the beginning and 174.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-10 01:43:07,313 INFO L158 Benchmark]: Boogie Preprocessor took 15.75ms. Allocated memory is still 210.8MB. Free memory was 174.4MB in the beginning and 173.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-10 01:43:07,313 INFO L158 Benchmark]: RCFGBuilder took 449.80ms. Allocated memory is still 210.8MB. Free memory was 173.3MB in the beginning and 160.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-10 01:43:07,313 INFO L158 Benchmark]: TraceAbstraction took 42256.05ms. Allocated memory was 210.8MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 160.7MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB.
[2022-02-10 01:43:07,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 176.8MB in the beginning and 176.6MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 404.74ms. Allocated memory is still 210.8MB. Free memory was 159.0MB in the beginning and 176.5MB in the end (delta: -17.5MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 52.43ms. Allocated memory is still 210.8MB. Free memory was 176.5MB in the beginning and 174.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 15.75ms. Allocated memory is still 210.8MB. Free memory was 174.4MB in the beginning and 173.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 449.80ms. Allocated memory is still 210.8MB. Free memory was 173.3MB in the beginning and 160.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 42256.05ms. Allocated memory was 210.8MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 160.7MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 113 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 42.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.2s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 22.6s, PartialOrderReductionTime: 22.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 930 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 930 mSDsluCounter, 2883 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2327 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 631 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292634occurred in iteration=0, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 13682 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 1658 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!
[2022-02-10 01:43:07,343 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...