/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/safe011_tso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.0-aa1e80b
[2020-12-17 17:12:46,076 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-12-17 17:12:46,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-12-17 17:12:46,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-12-17 17:12:46,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-12-17 17:12:46,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-12-17 17:12:46,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-12-17 17:12:46,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-12-17 17:12:46,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-12-17 17:12:46,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-12-17 17:12:46,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-12-17 17:12:46,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-12-17 17:12:46,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-12-17 17:12:46,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-12-17 17:12:46,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-12-17 17:12:46,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-12-17 17:12:46,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-12-17 17:12:46,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-12-17 17:12:46,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-12-17 17:12:46,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-12-17 17:12:46,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-12-17 17:12:46,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-12-17 17:12:46,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-12-17 17:12:46,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-12-17 17:12:46,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-12-17 17:12:46,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-12-17 17:12:46,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-12-17 17:12:46,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-12-17 17:12:46,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-12-17 17:12:46,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-12-17 17:12:46,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2020-12-17 17:12:46,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-12-17 17:12:46,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-12-17 17:12:46,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-12-17 17:12:46,163 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 17:12:46,199 INFO L113 SettingsManager]: Loading preferences was successful
[2020-12-17 17:12:46,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-12-17 17:12:46,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-12-17 17:12:46,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-12-17 17:12:46,203 INFO L138 SettingsManager]: * Use SBE=true
[2020-12-17 17:12:46,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-12-17 17:12:46,204 INFO L138 SettingsManager]: * sizeof long=4
[2020-12-17 17:12:46,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-12-17 17:12:46,204 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-12-17 17:12:46,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-12-17 17:12:46,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-12-17 17:12:46,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-12-17 17:12:46,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-12-17 17:12:46,207 INFO L138 SettingsManager]: * sizeof long double=12
[2020-12-17 17:12:46,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-12-17 17:12:46,208 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-12-17 17:12:46,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-12-17 17:12:46,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-12-17 17:12:46,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-12-17 17:12:46,209 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-12-17 17:12:46,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-12-17 17:12:46,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-12-17 17:12:46,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-12-17 17:12:46,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-12-17 17:12:46,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-12-17 17:12:46,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-12-17 17:12:46,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-12-17 17:12:46,211 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-12-17 17:12:46,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-12-17 17:12:46,212 INFO L138 SettingsManager]: * Minimization of abstraction=NONE
[2020-12-17 17:12:46,212 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2020-12-17 17:12:46,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-12-17 17:12:46,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-12-17 17:12:46,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-12-17 17:12:46,637 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-12-17 17:12:46,638 INFO L275 PluginConnector]: CDTParser initialized
[2020-12-17 17:12:46,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.opt.i
[2020-12-17 17:12:46,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7e14179b/a80d1fdab9804d268518448e3ad725e5/FLAG4bd1f73bb
[2020-12-17 17:12:47,364 INFO L306 CDTParser]: Found 1 translation units.
[2020-12-17 17:12:47,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_tso.opt.i
[2020-12-17 17:12:47,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7e14179b/a80d1fdab9804d268518448e3ad725e5/FLAG4bd1f73bb
[2020-12-17 17:12:47,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7e14179b/a80d1fdab9804d268518448e3ad725e5
[2020-12-17 17:12:47,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-12-17 17:12:47,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-12-17 17:12:47,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-12-17 17:12:47,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-12-17 17:12:47,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-12-17 17:12:47,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:12:47" (1/1) ...
[2020-12-17 17:12:47,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1082fff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:47, skipping insertion in model container
[2020-12-17 17:12:47,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 05:12:47" (1/1) ...
[2020-12-17 17:12:47,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-12-17 17:12:47,764 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-12-17 17:12:48,231 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-17 17:12:48,243 INFO L203 MainTranslator]: Completed pre-run
[2020-12-17 17:12:48,337 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-12-17 17:12:48,458 INFO L208 MainTranslator]: Completed translation
[2020-12-17 17:12:48,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48 WrapperNode
[2020-12-17 17:12:48,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-12-17 17:12:48,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-12-17 17:12:48,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-12-17 17:12:48,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-12-17 17:12:48,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-12-17 17:12:48,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-12-17 17:12:48,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-12-17 17:12:48,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-12-17 17:12:48,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (1/1) ...
[2020-12-17 17:12:48,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-12-17 17:12:48,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-12-17 17:12:48,621 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-12-17 17:12:48,621 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-12-17 17:12:48,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (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 17:12:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-12-17 17:12:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-12-17 17:12:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-12-17 17:12:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-12-17 17:12:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-12-17 17:12:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-12-17 17:12:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-12-17 17:12:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-12-17 17:12:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-12-17 17:12:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-12-17 17:12:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-12-17 17:12:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-12-17 17:12:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-12-17 17:12:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-12-17 17:12:48,715 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 17:12:49,149 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-12-17 17:12:49,149 INFO L298 CfgBuilder]: Removed 10 assume(true) statements.
[2020-12-17 17:12:49,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:12:49 BoogieIcfgContainer
[2020-12-17 17:12:49,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-12-17 17:12:49,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-12-17 17:12:49,153 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-12-17 17:12:49,157 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-12-17 17:12:49,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 05:12:47" (1/3) ...
[2020-12-17 17:12:49,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23145a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:12:49, skipping insertion in model container
[2020-12-17 17:12:49,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 05:12:48" (2/3) ...
[2020-12-17 17:12:49,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23145a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 05:12:49, skipping insertion in model container
[2020-12-17 17:12:49,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 05:12:49" (3/3) ...
[2020-12-17 17:12:49,160 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_tso.opt.i
[2020-12-17 17:12:49,175 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-12-17 17:12:49,175 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-12-17 17:12:49,179 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-12-17 17:12:49,180 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-12-17 17:12:49,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,209 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,209 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,211 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,211 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,213 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,214 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,214 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,214 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,214 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,215 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,215 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,223 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,226 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,226 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-12-17 17:12:49,229 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-12-17 17:12:49,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-12-17 17:12:49,264 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-12-17 17:12:49,264 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-12-17 17:12:49,265 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-12-17 17:12:49,265 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-12-17 17:12:49,265 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-12-17 17:12:49,265 INFO L382 AbstractCegarLoop]: Difference is false
[2020-12-17 17:12:49,265 INFO L383 AbstractCegarLoop]: Minimize is NONE
[2020-12-17 17:12:49,265 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-12-17 17:12:49,277 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 78 transitions, 171 flow
[2020-12-17 17:12:50,430 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 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 17:12:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 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 17:12:50,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-12-17 17:12:50,540 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:50,541 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 17:12:50,542 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:50,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:50,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1699432098, now seen corresponding path program 1 times
[2020-12-17 17:12:50,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:50,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720865089]
[2020-12-17 17:12:50,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:51,173 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 17:12:51,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720865089]
[2020-12-17 17:12:51,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:51,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-12-17 17:12:51,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666054687]
[2020-12-17 17:12:51,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-12-17 17:12:51,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:51,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-12-17 17:12:51,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-12-17 17:12:51,224 INFO L87 Difference]: Start difference. First operand has 9847 states, 9845 states have (on average 3.614931437277806) internal successors, (35589), 9846 states have internal predecessors, (35589), 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 6.833333333333333) internal successors, (41), 6 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 17:12:51,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:51,594 INFO L93 Difference]: Finished difference Result 13207 states and 46043 transitions.
[2020-12-17 17:12:51,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-12-17 17:12:51,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 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 17:12:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:51,659 INFO L225 Difference]: With dead ends: 13207
[2020-12-17 17:12:51,659 INFO L226 Difference]: Without dead ends: 5052
[2020-12-17 17:12:51,661 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-12-17 17:12:51,661 INFO L78 Accepts]: Start accepts. Automaton has 5052 states. Word has length 41
[2020-12-17 17:12:51,663 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:51,663 INFO L481 AbstractCegarLoop]: Abstraction has 5052 states.
[2020-12-17 17:12:51,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 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 17:12:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 5052 states.
[2020-12-17 17:12:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-12-17 17:12:51,679 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:51,679 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]
[2020-12-17 17:12:51,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-12-17 17:12:51,679 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:51,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:51,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1525823679, now seen corresponding path program 1 times
[2020-12-17 17:12:51,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:51,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441711220]
[2020-12-17 17:12:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:51,978 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 17:12:51,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441711220]
[2020-12-17 17:12:51,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:51,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-12-17 17:12:51,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190773788]
[2020-12-17 17:12:51,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-12-17 17:12:51,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:51,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-12-17 17:12:51,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-12-17 17:12:51,982 INFO L87 Difference]: Start difference. First operand 5052 states. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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 17:12:52,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:52,194 INFO L93 Difference]: Finished difference Result 5472 states and 18560 transitions.
[2020-12-17 17:12:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-12-17 17:12:52,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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 43
[2020-12-17 17:12:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:52,233 INFO L225 Difference]: With dead ends: 5472
[2020-12-17 17:12:52,234 INFO L226 Difference]: Without dead ends: 4492
[2020-12-17 17:12:52,235 INFO L763 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
[2020-12-17 17:12:52,235 INFO L78 Accepts]: Start accepts. Automaton has 4492 states. Word has length 43
[2020-12-17 17:12:52,235 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:52,235 INFO L481 AbstractCegarLoop]: Abstraction has 4492 states.
[2020-12-17 17:12:52,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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 17:12:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states.
[2020-12-17 17:12:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-12-17 17:12:52,247 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:52,248 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]
[2020-12-17 17:12:52,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-12-17 17:12:52,248 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:52,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:52,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1998767231, now seen corresponding path program 1 times
[2020-12-17 17:12:52,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:52,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951340547]
[2020-12-17 17:12:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:52,402 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 17:12:52,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951340547]
[2020-12-17 17:12:52,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:52,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-12-17 17:12:52,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415369688]
[2020-12-17 17:12:52,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-12-17 17:12:52,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:52,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-12-17 17:12:52,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-12-17 17:12:52,405 INFO L87 Difference]: Start difference. First operand 4492 states. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 17:12:52,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:52,646 INFO L93 Difference]: Finished difference Result 5604 states and 18838 transitions.
[2020-12-17 17:12:52,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-12-17 17:12:52,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 44
[2020-12-17 17:12:52,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:52,670 INFO L225 Difference]: With dead ends: 5604
[2020-12-17 17:12:52,671 INFO L226 Difference]: Without dead ends: 2965
[2020-12-17 17:12:52,671 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182
[2020-12-17 17:12:52,671 INFO L78 Accepts]: Start accepts. Automaton has 2965 states. Word has length 44
[2020-12-17 17:12:52,672 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:52,672 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states.
[2020-12-17 17:12:52,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 17:12:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states.
[2020-12-17 17:12:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-12-17 17:12:52,681 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:52,681 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, 1, 1]
[2020-12-17 17:12:52,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-12-17 17:12:52,681 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:52,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:52,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1999585892, now seen corresponding path program 1 times
[2020-12-17 17:12:52,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:52,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633536573]
[2020-12-17 17:12:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:52,775 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 17:12:52,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633536573]
[2020-12-17 17:12:52,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:52,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-12-17 17:12:52,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008771840]
[2020-12-17 17:12:52,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-12-17 17:12:52,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:52,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-12-17 17:12:52,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-12-17 17:12:52,778 INFO L87 Difference]: Start difference. First operand 2965 states. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 17:12:52,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:52,934 INFO L93 Difference]: Finished difference Result 4677 states and 15065 transitions.
[2020-12-17 17:12:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-12-17 17:12:52,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 47
[2020-12-17 17:12:52,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:52,962 INFO L225 Difference]: With dead ends: 4677
[2020-12-17 17:12:52,962 INFO L226 Difference]: Without dead ends: 3349
[2020-12-17 17:12:52,962 INFO L763 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
[2020-12-17 17:12:52,963 INFO L78 Accepts]: Start accepts. Automaton has 3349 states. Word has length 47
[2020-12-17 17:12:52,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:52,963 INFO L481 AbstractCegarLoop]: Abstraction has 3349 states.
[2020-12-17 17:12:52,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 17:12:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states.
[2020-12-17 17:12:52,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-12-17 17:12:52,973 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:52,973 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, 1, 1, 1]
[2020-12-17 17:12:52,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-12-17 17:12:52,973 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:52,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:52,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2040811581, now seen corresponding path program 1 times
[2020-12-17 17:12:52,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:52,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466029436]
[2020-12-17 17:12:52,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:53,155 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 17:12:53,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466029436]
[2020-12-17 17:12:53,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:53,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-12-17 17:12:53,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614414594]
[2020-12-17 17:12:53,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-12-17 17:12:53,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:53,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-12-17 17:12:53,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-12-17 17:12:53,159 INFO L87 Difference]: Start difference. First operand 3349 states. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 17:12:53,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:53,352 INFO L93 Difference]: Finished difference Result 4005 states and 12589 transitions.
[2020-12-17 17:12:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-12-17 17:12:53,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 48
[2020-12-17 17:12:53,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:53,369 INFO L225 Difference]: With dead ends: 4005
[2020-12-17 17:12:53,369 INFO L226 Difference]: Without dead ends: 3053
[2020-12-17 17:12:53,369 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 17:12:53,370 INFO L78 Accepts]: Start accepts. Automaton has 3053 states. Word has length 48
[2020-12-17 17:12:53,370 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:53,370 INFO L481 AbstractCegarLoop]: Abstraction has 3053 states.
[2020-12-17 17:12:53,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 17:12:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states.
[2020-12-17 17:12:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-12-17 17:12:53,380 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:53,380 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, 1, 1, 1, 1]
[2020-12-17 17:12:53,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-12-17 17:12:53,380 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:53,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:53,381 INFO L82 PathProgramCache]: Analyzing trace with hash 482269470, now seen corresponding path program 1 times
[2020-12-17 17:12:53,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:53,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665316178]
[2020-12-17 17:12:53,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:53,520 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 17:12:53,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665316178]
[2020-12-17 17:12:53,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:53,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-12-17 17:12:53,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006405223]
[2020-12-17 17:12:53,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-12-17 17:12:53,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:53,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-12-17 17:12:53,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-12-17 17:12:53,525 INFO L87 Difference]: Start difference. First operand 3053 states. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 17:12:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:53,852 INFO L93 Difference]: Finished difference Result 2915 states and 8883 transitions.
[2020-12-17 17:12:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-12-17 17:12:53,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 49
[2020-12-17 17:12:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:53,906 INFO L225 Difference]: With dead ends: 2915
[2020-12-17 17:12:53,906 INFO L226 Difference]: Without dead ends: 2123
[2020-12-17 17:12:53,907 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 17:12:53,907 INFO L78 Accepts]: Start accepts. Automaton has 2123 states. Word has length 49
[2020-12-17 17:12:53,908 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:53,908 INFO L481 AbstractCegarLoop]: Abstraction has 2123 states.
[2020-12-17 17:12:53,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 17:12:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states.
[2020-12-17 17:12:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-12-17 17:12:53,914 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:53,915 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, 1, 1, 1, 1, 1, 1]
[2020-12-17 17:12:53,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-12-17 17:12:53,915 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:53,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:53,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1054282365, now seen corresponding path program 1 times
[2020-12-17 17:12:53,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:53,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342092532]
[2020-12-17 17:12:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:54,078 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 17:12:54,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342092532]
[2020-12-17 17:12:54,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:54,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-12-17 17:12:54,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442157428]
[2020-12-17 17:12:54,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-12-17 17:12:54,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:54,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-12-17 17:12:54,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-12-17 17:12:54,082 INFO L87 Difference]: Start difference. First operand 2123 states. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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 17:12:54,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:54,295 INFO L93 Difference]: Finished difference Result 1502 states and 4359 transitions.
[2020-12-17 17:12:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-12-17 17:12:54,296 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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 51
[2020-12-17 17:12:54,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:54,299 INFO L225 Difference]: With dead ends: 1502
[2020-12-17 17:12:54,299 INFO L226 Difference]: Without dead ends: 730
[2020-12-17 17:12:54,300 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2020-12-17 17:12:54,300 INFO L78 Accepts]: Start accepts. Automaton has 730 states. Word has length 51
[2020-12-17 17:12:54,300 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:54,300 INFO L481 AbstractCegarLoop]: Abstraction has 730 states.
[2020-12-17 17:12:54,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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 17:12:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states.
[2020-12-17 17:12:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-12-17 17:12:54,304 INFO L496 BasicCegarLoop]: Found error trace
[2020-12-17 17:12:54,305 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-12-17 17:12:54,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-12-17 17:12:54,305 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-12-17 17:12:54,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-12-17 17:12:54,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1449884732, now seen corresponding path program 1 times
[2020-12-17 17:12:54,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-12-17 17:12:54,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113441835]
[2020-12-17 17:12:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-12-17 17:12:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-12-17 17:12:54,398 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 17:12:54,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113441835]
[2020-12-17 17:12:54,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-12-17 17:12:54,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-12-17 17:12:54,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960726076]
[2020-12-17 17:12:54,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-12-17 17:12:54,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-12-17 17:12:54,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-12-17 17:12:54,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-12-17 17:12:54,400 INFO L87 Difference]: Start difference. First operand 730 states. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 17:12:54,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-12-17 17:12:54,463 INFO L93 Difference]: Finished difference Result 622 states and 1724 transitions.
[2020-12-17 17:12:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-12-17 17:12:54,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 53
[2020-12-17 17:12:54,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-12-17 17:12:54,464 INFO L225 Difference]: With dead ends: 622
[2020-12-17 17:12:54,464 INFO L226 Difference]: Without dead ends: 0
[2020-12-17 17:12:54,465 INFO L763 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
[2020-12-17 17:12:54,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states. Word has length 53
[2020-12-17 17:12:54,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-12-17 17:12:54,465 INFO L481 AbstractCegarLoop]: Abstraction has 0 states.
[2020-12-17 17:12:54,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 17:12:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states.
[2020-12-17 17:12:54,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-12-17 17:12:54,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-12-17 17:12:54,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 05:12:54 BasicIcfg
[2020-12-17 17:12:54,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-12-17 17:12:54,473 INFO L168 Benchmark]: Toolchain (without parser) took 6801.19 ms. Allocated memory was 302.0 MB in the beginning and 654.3 MB in the end (delta: 352.3 MB). Free memory was 276.7 MB in the beginning and 475.1 MB in the end (delta: -198.4 MB). Peak memory consumption was 155.7 MB. Max. memory is 16.0 GB.
[2020-12-17 17:12:54,474 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.1 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2020-12-17 17:12:54,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.72 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 245.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB.
[2020-12-17 17:12:54,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.61 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2020-12-17 17:12:54,476 INFO L168 Benchmark]: Boogie Preprocessor took 72.52 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 284.6 MB in the end (delta: -41.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB.
[2020-12-17 17:12:54,477 INFO L168 Benchmark]: RCFGBuilder took 531.21 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 261.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
[2020-12-17 17:12:54,478 INFO L168 Benchmark]: TraceAbstraction took 5317.77 ms. Allocated memory was 302.0 MB in the beginning and 654.3 MB in the end (delta: 352.3 MB). Free memory was 261.6 MB in the beginning and 475.1 MB in the end (delta: -213.6 MB). Peak memory consumption was 138.7 MB. Max. memory is 16.0 GB.
[2020-12-17 17:12:54,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.63 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.1 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 784.72 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 245.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 84.61 ms. Allocated memory is still 302.0 MB. Free memory was 245.5 MB in the beginning and 243.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 72.52 ms. Allocated memory is still 302.0 MB. Free memory was 243.5 MB in the beginning and 284.6 MB in the end (delta: -41.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 531.21 ms. Allocated memory is still 302.0 MB. Free memory was 284.6 MB in the beginning and 261.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 5317.77 ms. Allocated memory was 302.0 MB in the beginning and 654.3 MB in the end (delta: 352.3 MB). Free memory was 261.6 MB in the beginning and 475.1 MB in the end (delta: -213.6 MB). Peak memory consumption was 138.7 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 4 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 756 SDtfs, 1066 SDslu, 2389 SDs, 0 SdLazy, 280 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9847occurred 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 43970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...