/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-aa1e80b
[2020-12-17 17:22:20,765 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-12-17 17:22:20,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-17 17:22:20,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-17 17:22:20,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-17 17:22:20,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-17 17:22:20,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-17 17:22:20,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-12-17 17:22:20,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-12-17 17:22:20,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-17 17:22:20,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
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[2020-12-17 17:22:20,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-17 17:22:20,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-17 17:22:20,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-17 17:22:20,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-17 17:22:20,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-17 17:22:20,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-17 17:22:20,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-12-17 17:22:20,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-17 17:22:20,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-12-17 17:22:20,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-17 17:22:20,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-12-17 17:22:20,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-12-17 17:22:20,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-12-17 17:22:20,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-12-17 17:22:20,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2020-12-17 17:22:20,985 INFO L113 SettingsManager]: Loading preferences was successful
[2020-12-17 17:22:20,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-17 17:22:20,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-17 17:22:20,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-12-17 17:22:20,990 INFO L138 SettingsManager]: * Use SBE=true
[2020-12-17 17:22:20,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-17 17:22:20,991 INFO L138 SettingsManager]: * sizeof long=4
[2020-12-17 17:22:20,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-12-17 17:22:20,991 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-12-17 17:22:20,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-12-17 17:22:20,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-12-17 17:22:20,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-17 17:22:20,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-12-17 17:22:20,993 INFO L138 SettingsManager]: * sizeof long double=12
[2020-12-17 17:22:20,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-12-17 17:22:20,994 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-12-17 17:22:20,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-12-17 17:22:20,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-17 17:22:20,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-12-17 17:22:20,995 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-12-17 17:22:20,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-12-17 17:22:20,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-17 17:22:20,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-17 17:22:20,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-12-17 17:22:20,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-17 17:22:20,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-12-17 17:22:20,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-12-17 17:22:20,997 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-12-17 17:22:20,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-17 17:22:20,997 INFO L138 SettingsManager]: * Minimization of abstraction=NONE
[2020-12-17 17:22:20,997 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-12-17 17:22:21,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-17 17:22:21,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-17 17:22:21,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-17 17:22:21,483 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-12-17 17:22:21,483 INFO L275 PluginConnector]: CDTParser initialized
[2020-12-17 17:22:21,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i
[2020-12-17 17:22:21,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed507e0b1/a55ffa2a71484b55a93a72a03200934a/FLAGfaab7b3c0
[2020-12-17 17:22:22,342 INFO L306 CDTParser]: Found 1 translation units.
[2020-12-17 17:22:22,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i
[2020-12-17 17:22:22,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed507e0b1/a55ffa2a71484b55a93a72a03200934a/FLAGfaab7b3c0
[2020-12-17 17:22:22,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed507e0b1/a55ffa2a71484b55a93a72a03200934a
[2020-12-17 17:22:22,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-17 17:22:22,575 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-12-17 17:22:22,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-17 17:22:22,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-17 17:22:22,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-17 17:22:22,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:22:22" (1/1) ...
[2020-12-17 17:22:22,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f741503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:22, skipping insertion in model container
[2020-12-17 17:22:22,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:22:22" (1/1) ...
[2020-12-17 17:22:22,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-12-17 17:22:22,674 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-12-17 17:22:23,216 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-17 17:22:23,227 INFO L203 MainTranslator]: Completed pre-run
[2020-12-17 17:22:23,281 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-17 17:22:23,386 INFO L208 MainTranslator]: Completed translation
[2020-12-17 17:22:23,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23 WrapperNode
[2020-12-17 17:22:23,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-17 17:22:23,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-17 17:22:23,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-17 17:22:23,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-17 17:22:23,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-17 17:22:23,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-17 17:22:23,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-17 17:22:23,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-12-17 17:22:23,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
[2020-12-17 17:22:23,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-17 17:22:23,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-17 17:22:23,497 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-12-17 17:22:23,497 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-12-17 17:22:23,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-17 17:22:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-12-17 17:22:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-12-17 17:22:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-17 17:22:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-12-17 17:22:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-12-17 17:22:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-12-17 17:22:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-12-17 17:22:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-12-17 17:22:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-12-17 17:22:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-12-17 17:22:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-17 17:22:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-17 17:22:23,602 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-12-17 17:22:24,249 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-17 17:22:24,249 INFO L298 CfgBuilder]: Removed 10 assume(true) statements.
[2020-12-17 17:22:24,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:22:24 BoogieIcfgContainer
[2020-12-17 17:22:24,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-17 17:22:24,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-12-17 17:22:24,254 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-12-17 17:22:24,257 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-12-17 17:22:24,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 05:22:22" (1/3) ...
[2020-12-17 17:22:24,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360f37da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:22:24, skipping insertion in model container
[2020-12-17 17:22:24,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:22:23" (2/3) ...
[2020-12-17 17:22:24,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360f37da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:22:24, skipping insertion in model container
[2020-12-17 17:22:24,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:22:24" (3/3) ...
[2020-12-17 17:22:24,260 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_tso.opt.i
[2020-12-17 17:22:24,275 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-12-17 17:22:24,275 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-12-17 17:22:24,279 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-12-17 17:22:24,280 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-12-17 17:22:24,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,323 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,323 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,323 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,323 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:22:24,342 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-12-17 17:22:24,355 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-12-17 17:22:24,378 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-12-17 17:22:24,379 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-12-17 17:22:24,379 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-12-17 17:22:24,379 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-12-17 17:22:24,379 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-12-17 17:22:24,379 INFO L382 AbstractCegarLoop]: Difference is false
[2020-12-17 17:22:24,379 INFO L383 AbstractCegarLoop]: Minimize is NONE
[2020-12-17 17:22:24,380 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-12-17 17:22:24,391 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 65 transitions, 140 flow
[2020-12-17 17:22:24,481 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 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)
[2020-12-17 17:22:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 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)
[2020-12-17 17:22:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-12-17 17:22:24,508 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:22:24,509 INFO L504 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]
[2020-12-17 17:22:24,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:22:24,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:22:24,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1361290816, now seen corresponding path program 1 times
[2020-12-17 17:22:24,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:22:24,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535951869]
[2020-12-17 17:22:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:22:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:22:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-17 17:22:24,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535951869]
[2020-12-17 17:22:24,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:22:24,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-12-17 17:22:24,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648713536]
[2020-12-17 17:22:24,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-12-17 17:22:24,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:22:25,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-12-17 17:22:25,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-12-17 17:22:25,017 INFO L87 Difference]: Start difference. First operand has 1321 states, 1319 states have (on average 2.7498104624715696) internal successors, (3627), 1320 states have internal predecessors, (3627), 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 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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)
[2020-12-17 17:22:25,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:22:25,241 INFO L93 Difference]: Finished difference Result 1116 states and 2790 transitions.
[2020-12-17 17:22:25,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-12-17 17:22:25,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 37
[2020-12-17 17:22:25,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:22:25,264 INFO L225 Difference]: With dead ends: 1116
[2020-12-17 17:22:25,264 INFO L226 Difference]: Without dead ends: 574
[2020-12-17 17:22:25,266 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-12-17 17:22:25,266 INFO L78 Accepts]: Start accepts. Automaton has 574 states. Word has length 37
[2020-12-17 17:22:25,267 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:22:25,268 INFO L481 AbstractCegarLoop]: Abstraction has 574 states.
[2020-12-17 17:22:25,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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)
[2020-12-17 17:22:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states.
[2020-12-17 17:22:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-12-17 17:22:25,275 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:22:25,275 INFO L504 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]
[2020-12-17 17:22:25,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-12-17 17:22:25,276 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:22:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:22:25,277 INFO L82 PathProgramCache]: Analyzing trace with hash 160702942, now seen corresponding path program 1 times
[2020-12-17 17:22:25,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:22:25,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229552450]
[2020-12-17 17:22:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:22:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:22:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-17 17:22:25,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229552450]
[2020-12-17 17:22:25,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:22:25,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-12-17 17:22:25,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262252387]
[2020-12-17 17:22:25,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-12-17 17:22:25,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:22:25,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-12-17 17:22:25,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-12-17 17:22:25,445 INFO L87 Difference]: Start difference. First operand 574 states. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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)
[2020-12-17 17:22:25,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:22:25,627 INFO L93 Difference]: Finished difference Result 394 states and 892 transitions.
[2020-12-17 17:22:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-12-17 17:22:25,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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 41
[2020-12-17 17:22:25,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:22:25,631 INFO L225 Difference]: With dead ends: 394
[2020-12-17 17:22:25,631 INFO L226 Difference]: Without dead ends: 262
[2020-12-17 17:22:25,632 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2020-12-17 17:22:25,632 INFO L78 Accepts]: Start accepts. Automaton has 262 states. Word has length 41
[2020-12-17 17:22:25,633 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:22:25,633 INFO L481 AbstractCegarLoop]: Abstraction has 262 states.
[2020-12-17 17:22:25,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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)
[2020-12-17 17:22:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states.
[2020-12-17 17:22:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-12-17 17:22:25,635 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:22:25,635 INFO L504 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]
[2020-12-17 17:22:25,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-12-17 17:22:25,636 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:22:25,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:22:25,637 INFO L82 PathProgramCache]: Analyzing trace with hash 96714268, now seen corresponding path program 1 times
[2020-12-17 17:22:25,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:22:25,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522453734]
[2020-12-17 17:22:25,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:22:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:22:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-17 17:22:25,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522453734]
[2020-12-17 17:22:25,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:22:25,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-12-17 17:22:25,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948621041]
[2020-12-17 17:22:25,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-12-17 17:22:25,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:22:25,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-12-17 17:22:25,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-12-17 17:22:25,814 INFO L87 Difference]: Start difference. First operand 262 states. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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)
[2020-12-17 17:22:25,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:22:25,928 INFO L93 Difference]: Finished difference Result 383 states and 832 transitions.
[2020-12-17 17:22:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-12-17 17:22:25,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 45
[2020-12-17 17:22:25,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:22:25,930 INFO L225 Difference]: With dead ends: 383
[2020-12-17 17:22:25,931 INFO L226 Difference]: Without dead ends: 232
[2020-12-17 17:22:25,931 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2020-12-17 17:22:25,931 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 45
[2020-12-17 17:22:25,932 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:22:25,932 INFO L481 AbstractCegarLoop]: Abstraction has 232 states.
[2020-12-17 17:22:25,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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)
[2020-12-17 17:22:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states.
[2020-12-17 17:22:25,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-12-17 17:22:25,934 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:22:25,934 INFO L504 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]
[2020-12-17 17:22:25,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-12-17 17:22:25,935 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:22:25,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:22:25,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1383140064, now seen corresponding path program 2 times
[2020-12-17 17:22:25,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:22:25,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589376926]
[2020-12-17 17:22:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:22:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:22:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-12-17 17:22:26,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589376926]
[2020-12-17 17:22:26,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:22:26,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-12-17 17:22:26,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168868948]
[2020-12-17 17:22:26,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-12-17 17:22:26,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:22:26,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-12-17 17:22:26,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-12-17 17:22:26,075 INFO L87 Difference]: Start difference. First operand 232 states. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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)
[2020-12-17 17:22:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:22:26,174 INFO L93 Difference]: Finished difference Result 196 states and 402 transitions.
[2020-12-17 17:22:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-12-17 17:22:26,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 45
[2020-12-17 17:22:26,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:22:26,175 INFO L225 Difference]: With dead ends: 196
[2020-12-17 17:22:26,175 INFO L226 Difference]: Without dead ends: 0
[2020-12-17 17:22:26,176 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2020-12-17 17:22:26,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states. Word has length 45
[2020-12-17 17:22:26,176 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:22:26,177 INFO L481 AbstractCegarLoop]: Abstraction has 0 states.
[2020-12-17 17:22:26,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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)
[2020-12-17 17:22:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states.
[2020-12-17 17:22:26,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-12-17 17:22:26,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-12-17 17:22:26,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 05:22:26 BasicIcfg
[2020-12-17 17:22:26,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-12-17 17:22:26,186 INFO L168 Benchmark]: Toolchain (without parser) took 3609.98 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 140.3 MB in the end (delta: 132.1 MB). Peak memory consumption was 130.6 MB. Max. memory is 16.0 GB.
[2020-12-17 17:22:26,186 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB.
[2020-12-17 17:22:26,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.02 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 264.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB.
[2020-12-17 17:22:26,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 302.0 MB. Free memory was 264.4 MB in the beginning and 262.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2020-12-17 17:22:26,189 INFO L168 Benchmark]: Boogie Preprocessor took 28.63 ms. Allocated memory is still 302.0 MB. Free memory was 262.3 MB in the beginning and 261.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2020-12-17 17:22:26,190 INFO L168 Benchmark]: RCFGBuilder took 755.21 ms. Allocated memory is still 302.0 MB. Free memory was 260.7 MB in the beginning and 241.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB.
[2020-12-17 17:22:26,190 INFO L168 Benchmark]: TraceAbstraction took 1929.87 ms. Allocated memory is still 302.0 MB. Free memory was 240.8 MB in the beginning and 140.3 MB in the end (delta: 100.5 MB). Peak memory consumption was 104.7 MB. Max. memory is 16.0 GB.
[2020-12-17 17:22:26,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.78 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 808.02 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 264.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 302.0 MB. Free memory was 264.4 MB in the beginning and 262.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 28.63 ms. Allocated memory is still 302.0 MB. Free memory was 262.3 MB in the beginning and 261.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 755.21 ms. Allocated memory is still 302.0 MB. Free memory was 260.7 MB in the beginning and 241.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 1929.87 ms. Allocated memory is still 302.0 MB. Free memory was 240.8 MB in the beginning and 140.3 MB in the end (delta: 100.5 MB). Peak memory consumption was 104.7 MB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 268 SDtfs, 329 SDslu, 927 SDs, 0 SdLazy, 116 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1321occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 16640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...