/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b09bf87
[2020-10-16 12:12:19,000 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-16 12:12:19,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 12:12:19,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 12:12:19,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 12:12:19,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 12:12:19,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-16 12:12:19,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-16 12:12:19,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-16 12:12:19,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-16 12:12:19,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-16 12:12:19,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-16 12:12:19,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-16 12:12:19,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-16 12:12:19,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-16 12:12:19,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 12:12:19,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 12:12:19,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 12:12:19,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 12:12:19,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 12:12:19,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 12:12:19,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 12:12:19,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 12:12:19,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 12:12:19,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-16 12:12:19,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-16 12:12:19,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 12:12:19,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-16 12:12:19,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-16 12:12:19,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-16 12:12:19,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-16 12:12:19,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-16 12:12:19,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-10-16 12:12:19,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-16 12:12:19,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-16 12:12:19,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-10-16 12:12:19,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 12:12:19,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 12:12:19,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf
[2020-10-16 12:12:19,166 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-16 12:12:19,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 12:12:19,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 12:12:19,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-10-16 12:12:19,171 INFO L138 SettingsManager]: * Use SBE=true
[2020-10-16 12:12:19,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 12:12:19,171 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-16 12:12:19,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-16 12:12:19,172 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-16 12:12:19,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-16 12:12:19,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 12:12:19,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 12:12:19,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 12:12:19,174 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-16 12:12:19,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-16 12:12:19,174 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-16 12:12:19,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-16 12:12:19,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 12:12:19,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-10-16 12:12:19,175 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-16 12:12:19,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-16 12:12:19,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:12:19,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 12:12:19,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 12:12:19,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 12:12:19,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-10-16 12:12:19,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 12:12:19,177 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 12:12:19,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 12:12:19,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 12:12:19,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 12:12:19,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 12:12:19,485 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-16 12:12:19,485 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-16 12:12:19,486 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
[2020-10-16 12:12:19,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e650b615/db32689d77e04340ba54f9ff22aad7fe/FLAGdb4146ac4
[2020-10-16 12:12:20,074 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-16 12:12:20,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
[2020-10-16 12:12:20,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e650b615/db32689d77e04340ba54f9ff22aad7fe/FLAGdb4146ac4
[2020-10-16 12:12:20,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e650b615/db32689d77e04340ba54f9ff22aad7fe
[2020-10-16 12:12:20,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 12:12:20,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 12:12:20,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 12:12:20,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 12:12:20,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 12:12:20,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:20" (1/1) ...
[2020-10-16 12:12:20,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a75572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:20, skipping insertion in model container
[2020-10-16 12:12:20,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:20" (1/1) ...
[2020-10-16 12:12:20,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-16 12:12:20,447 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-16 12:12:21,004 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:12:21,016 INFO L203 MainTranslator]: Completed pre-run
[2020-10-16 12:12:21,058 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:12:21,132 INFO L208 MainTranslator]: Completed translation
[2020-10-16 12:12:21,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21 WrapperNode
[2020-10-16 12:12:21,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 12:12:21,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 12:12:21,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 12:12:21,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 12:12:21,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 12:12:21,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 12:12:21,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 12:12:21,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 12:12:21,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
[2020-10-16 12:12:21,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 12:12:21,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 12:12:21,217 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 12:12:21,218 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-16 12:12:21,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-10-16 12:12:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 12:12:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 12:12:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 12:12:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 12:12:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 12:12:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 12:12:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 12:12:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 12:12:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 12:12:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 12:12:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 12:12:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 12:12:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 12:12:21,290 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 12:12:21,640 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 12:12:21,640 INFO L298 CfgBuilder]: Removed 8 assume(true) statements.
[2020-10-16 12:12:21,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:21 BoogieIcfgContainer
[2020-10-16 12:12:21,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 12:12:21,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 12:12:21,645 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 12:12:21,649 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-16 12:12:21,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:12:20" (1/3) ...
[2020-10-16 12:12:21,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4407cc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:21, skipping insertion in model container
[2020-10-16 12:12:21,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:21" (2/3) ...
[2020-10-16 12:12:21,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4407cc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:21, skipping insertion in model container
[2020-10-16 12:12:21,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:21" (3/3) ...
[2020-10-16 12:12:21,653 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_power.oepc.i
[2020-10-16 12:12:21,670 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 12:12:21,670 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 12:12:21,678 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-16 12:12:21,679 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 12:12:21,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,712 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,714 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,714 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,721 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,722 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,736 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,737 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,739 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:12:21,743 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 12:12:21,757 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-10-16 12:12:21,779 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-16 12:12:21,779 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-16 12:12:21,780 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 12:12:21,780 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 12:12:21,780 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 12:12:21,780 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-16 12:12:21,780 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 12:12:21,781 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 12:12:21,795 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 12:12:21,796 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow
[2020-10-16 12:12:21,799 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow
[2020-10-16 12:12:21,801 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-10-16 12:12:21,849 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-10-16 12:12:21,850 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 12:12:21,858 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-10-16 12:12:21,864 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260
[2020-10-16 12:12:23,004 INFO L132 LiptonReduction]: Checked pairs total: 2447
[2020-10-16 12:12:23,005 INFO L134 LiptonReduction]: Total number of compositions: 58
[2020-10-16 12:12:23,012 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-10-16 12:12:23,046 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-10-16 12:12:23,049 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states.
[2020-10-16 12:12:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-10-16 12:12:23,058 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:23,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:23,060 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:23,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:23,066 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times
[2020-10-16 12:12:23,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:23,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078746276]
[2020-10-16 12:12:23,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:23,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078746276]
[2020-10-16 12:12:23,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:23,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:12:23,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702055427]
[2020-10-16 12:12:23,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-10-16 12:12:23,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:23,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-10-16 12:12:23,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-10-16 12:12:23,287 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-10-16 12:12:23,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:23,321 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-10-16 12:12:23,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-10-16 12:12:23,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-10-16 12:12:23,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:23,341 INFO L225 Difference]: With dead ends: 362
[2020-10-16 12:12:23,341 INFO L226 Difference]: Without dead ends: 298
[2020-10-16 12:12:23,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-10-16 12:12:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-10-16 12:12:23,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-10-16 12:12:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-10-16 12:12:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-10-16 12:12:23,420 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-10-16 12:12:23,421 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:23,421 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-10-16 12:12:23,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-10-16 12:12:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-10-16 12:12:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-10-16 12:12:23,423 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:23,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:23,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 12:12:23,424 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:23,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:23,424 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times
[2020-10-16 12:12:23,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:23,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673962295]
[2020-10-16 12:12:23,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:23,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673962295]
[2020-10-16 12:12:23,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:23,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:12:23,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130339823]
[2020-10-16 12:12:23,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:12:23,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:23,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:12:23,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:12:23,534 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states.
[2020-10-16 12:12:23,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:23,565 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions.
[2020-10-16 12:12:23,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-16 12:12:23,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2020-10-16 12:12:23,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:23,568 INFO L225 Difference]: With dead ends: 217
[2020-10-16 12:12:23,568 INFO L226 Difference]: Without dead ends: 217
[2020-10-16 12:12:23,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:12:23,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2020-10-16 12:12:23,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2020-10-16 12:12:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states.
[2020-10-16 12:12:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions.
[2020-10-16 12:12:23,589 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9
[2020-10-16 12:12:23,589 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:23,589 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions.
[2020-10-16 12:12:23,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:12:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions.
[2020-10-16 12:12:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-10-16 12:12:23,591 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:23,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:23,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 12:12:23,592 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:23,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:23,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times
[2020-10-16 12:12:23,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:23,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108476444]
[2020-10-16 12:12:23,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:23,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108476444]
[2020-10-16 12:12:23,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:23,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:12:23,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824061883]
[2020-10-16 12:12:23,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:12:23,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:23,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:12:23,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:12:23,667 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states.
[2020-10-16 12:12:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:23,691 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions.
[2020-10-16 12:12:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-10-16 12:12:23,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-10-16 12:12:23,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:23,694 INFO L225 Difference]: With dead ends: 136
[2020-10-16 12:12:23,694 INFO L226 Difference]: Without dead ends: 136
[2020-10-16 12:12:23,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:12:23,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2020-10-16 12:12:23,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136.
[2020-10-16 12:12:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states.
[2020-10-16 12:12:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions.
[2020-10-16 12:12:23,702 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12
[2020-10-16 12:12:23,703 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:23,703 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions.
[2020-10-16 12:12:23,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:12:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions.
[2020-10-16 12:12:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-10-16 12:12:23,705 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:23,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:23,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 12:12:23,705 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:23,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:23,706 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times
[2020-10-16 12:12:23,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:23,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763028961]
[2020-10-16 12:12:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:23,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763028961]
[2020-10-16 12:12:23,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:23,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:23,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917369405]
[2020-10-16 12:12:23,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:23,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:23,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:23,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:23,776 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states.
[2020-10-16 12:12:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:23,805 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions.
[2020-10-16 12:12:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:23,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15
[2020-10-16 12:12:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:23,807 INFO L225 Difference]: With dead ends: 109
[2020-10-16 12:12:23,807 INFO L226 Difference]: Without dead ends: 109
[2020-10-16 12:12:23,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:23,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-10-16 12:12:23,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2020-10-16 12:12:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states.
[2020-10-16 12:12:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions.
[2020-10-16 12:12:23,814 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15
[2020-10-16 12:12:23,814 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:23,814 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions.
[2020-10-16 12:12:23,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions.
[2020-10-16 12:12:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:12:23,816 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:23,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:23,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 12:12:23,817 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:23,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:23,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times
[2020-10-16 12:12:23,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:23,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085619903]
[2020-10-16 12:12:23,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:23,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085619903]
[2020-10-16 12:12:23,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:23,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:23,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933128830]
[2020-10-16 12:12:23,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:23,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:23,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:23,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:23,906 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states.
[2020-10-16 12:12:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:23,941 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions.
[2020-10-16 12:12:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:23,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-10-16 12:12:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:23,943 INFO L225 Difference]: With dead ends: 135
[2020-10-16 12:12:23,943 INFO L226 Difference]: Without dead ends: 55
[2020-10-16 12:12:23,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:12:23,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2020-10-16 12:12:23,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2020-10-16 12:12:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states.
[2020-10-16 12:12:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions.
[2020-10-16 12:12:23,948 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18
[2020-10-16 12:12:23,948 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:23,948 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions.
[2020-10-16 12:12:23,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions.
[2020-10-16 12:12:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:12:23,949 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:23,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:23,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 12:12:23,950 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:23,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:23,950 INFO L82 PathProgramCache]: Analyzing trace with hash -442498565, now seen corresponding path program 2 times
[2020-10-16 12:12:23,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:23,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835314204]
[2020-10-16 12:12:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:24,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835314204]
[2020-10-16 12:12:24,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:24,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:24,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733240533]
[2020-10-16 12:12:24,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:24,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:24,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:24,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:24,020 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 5 states.
[2020-10-16 12:12:24,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:24,053 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions.
[2020-10-16 12:12:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:24,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-10-16 12:12:24,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:24,054 INFO L225 Difference]: With dead ends: 75
[2020-10-16 12:12:24,054 INFO L226 Difference]: Without dead ends: 37
[2020-10-16 12:12:24,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:12:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2020-10-16 12:12:24,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2020-10-16 12:12:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2020-10-16 12:12:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions.
[2020-10-16 12:12:24,058 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18
[2020-10-16 12:12:24,058 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:24,058 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions.
[2020-10-16 12:12:24,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions.
[2020-10-16 12:12:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-10-16 12:12:24,059 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 12:12:24,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:12:24,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 12:12:24,060 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:12:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:12:24,060 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times
[2020-10-16 12:12:24,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:12:24,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496969319]
[2020-10-16 12:12:24,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:12:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:12:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:12:24,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496969319]
[2020-10-16 12:12:24,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:12:24,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:12:24,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761662216]
[2020-10-16 12:12:24,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:12:24,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:12:24,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:12:24,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:12:24,122 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states.
[2020-10-16 12:12:24,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:12:24,159 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions.
[2020-10-16 12:12:24,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 12:12:24,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-10-16 12:12:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:12:24,159 INFO L225 Difference]: With dead ends: 36
[2020-10-16 12:12:24,160 INFO L226 Difference]: Without dead ends: 0
[2020-10-16 12:12:24,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:12:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-10-16 12:12:24,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-10-16 12:12:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-10-16 12:12:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-10-16 12:12:24,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2020-10-16 12:12:24,162 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:12:24,162 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-10-16 12:12:24,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:12:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-10-16 12:12:24,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-10-16 12:12:24,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 12:12:24,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:12:24 BasicIcfg
[2020-10-16 12:12:24,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 12:12:24,172 INFO L168 Benchmark]: Toolchain (without parser) took 3795.93 ms. Allocated memory was 140.5 MB in the beginning and 248.0 MB in the end (delta: 107.5 MB). Free memory was 101.0 MB in the beginning and 126.8 MB in the end (delta: -25.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:24,173 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-10-16 12:12:24,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.42 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 162.6 MB in the end (delta: -62.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:24,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.91 ms. Allocated memory is still 204.5 MB. Free memory was 162.6 MB in the beginning and 160.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:24,176 INFO L168 Benchmark]: Boogie Preprocessor took 28.93 ms. Allocated memory is still 204.5 MB. Free memory was 160.0 MB in the beginning and 158.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:24,177 INFO L168 Benchmark]: RCFGBuilder took 426.04 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 136.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:24,178 INFO L168 Benchmark]: TraceAbstraction took 2523.36 ms. Allocated memory was 204.5 MB in the beginning and 248.0 MB in the end (delta: 43.5 MB). Free memory was 136.1 MB in the beginning and 126.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB.
[2020-10-16 12:12:24,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 758.42 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 162.6 MB in the end (delta: -62.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 53.91 ms. Allocated memory is still 204.5 MB. Free memory was 162.6 MB in the beginning and 160.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 28.93 ms. Allocated memory is still 204.5 MB. Free memory was 160.0 MB in the beginning and 158.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 426.04 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 136.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2523.36 ms. Allocated memory was 204.5 MB in the beginning and 248.0 MB in the end (delta: 43.5 MB). Free memory was 136.1 MB in the beginning and 126.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
656 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2447 MoverChecksTotal
- PositiveResult [Line: 7]: 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 138 SDtfs, 89 SDslu, 207 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...