/usr/bin/java -Xmx8000000000 -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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:11:04,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:11:04,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:11:04,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:11:04,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:11:04,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:11:04,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:11:04,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:11:04,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:11:04,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:11:04,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:11:04,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:11:04,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:11:04,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:11:04,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:11:04,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:11:04,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:11:04,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:11:04,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:11:04,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:11:04,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:11:04,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:11:04,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:11:04,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:11:04,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 17:11:04,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:11:04,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:11:04,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:11:04,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:11:04,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:11:04,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:11:04,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:11:04,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:11:04,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:11:04,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:11:04,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:11:04,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 17:11:04,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:11:04,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:11:04,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:11:04,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:11:04,523 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:11:04,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:11:04,523 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:11:04,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:11:04,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:11:04,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:11:04,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:11:04,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:11:04,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:11:04,525 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:11:04,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:11:04,525 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:11:04,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:11:04,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:11:04,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:11:04,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:11:04,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:11:04,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:11:04,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:11:04,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:11:04,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:11:04,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:11:04,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:11:04,528 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:11:04,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:11:04,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:11:04,529 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:11:04,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:11:04,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:11:04,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:11:04,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:11:04,984 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:11:04,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2020-11-09 17:11:05,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8e9cbaf/700f1efd5ff24a82be425af7112a127d/FLAG9e2422c02 [2020-11-09 17:11:05,957 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:11:05,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2020-11-09 17:11:05,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8e9cbaf/700f1efd5ff24a82be425af7112a127d/FLAG9e2422c02 [2020-11-09 17:11:06,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8e9cbaf/700f1efd5ff24a82be425af7112a127d [2020-11-09 17:11:06,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:11:06,190 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:11:06,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:11:06,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:11:06,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:11:06,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:06,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e97b856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06, skipping insertion in model container [2020-11-09 17:11:06,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:06,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:11:06,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:11:06,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:11:06,817 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:11:06,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:11:06,966 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:11:06,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06 WrapperNode [2020-11-09 17:11:06,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:11:06,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:11:06,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:11:06,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:11:06,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:06,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:11:07,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:11:07,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:11:07,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:11:07,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (1/1) ... [2020-11-09 17:11:07,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:11:07,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:11:07,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:11:07,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:11:07,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (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 [2020-11-09 17:11:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:11:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 17:11:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:11:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:11:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 17:11:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 17:11:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 17:11:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 17:11:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 17:11:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 17:11:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 17:11:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 17:11:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:11:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 17:11:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:11:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:11:07,190 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 17:11:07,896 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:11:07,896 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 17:11:07,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:07 BoogieIcfgContainer [2020-11-09 17:11:07,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:11:07,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:11:07,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:11:07,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:11:07,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:11:06" (1/3) ... [2020-11-09 17:11:07,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412b1b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:07, skipping insertion in model container [2020-11-09 17:11:07,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:11:06" (2/3) ... [2020-11-09 17:11:07,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412b1b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:11:07, skipping insertion in model container [2020-11-09 17:11:07,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:11:07" (3/3) ... [2020-11-09 17:11:07,916 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.opt.i [2020-11-09 17:11:07,938 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:11:07,939 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:11:07,943 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 17:11:07,944 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:11:07,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:07,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:07,991 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:07,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:07,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:07,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:07,993 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:07,993 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,000 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,002 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,002 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,003 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,003 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,008 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,008 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,008 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,009 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,011 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,012 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,012 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,012 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,012 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,012 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,013 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,019 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,019 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,020 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,029 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,030 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,030 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,030 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,034 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,035 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,038 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,038 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:11:08,040 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 17:11:08,054 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 17:11:08,079 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:11:08,080 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:11:08,080 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:11:08,080 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:11:08,080 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:11:08,080 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:11:08,080 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:11:08,080 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:11:08,095 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:11:08,096 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 91 transitions, 202 flow [2020-11-09 17:11:08,100 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 91 transitions, 202 flow [2020-11-09 17:11:08,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 91 transitions, 202 flow [2020-11-09 17:11:08,160 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-11-09 17:11:08,161 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 17:11:08,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-11-09 17:11:08,174 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-11-09 17:11:11,140 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-11-09 17:11:11,736 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-11-09 17:11:12,053 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-11-09 17:11:12,187 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-09 17:11:12,569 INFO L131 LiptonReduction]: Checked pairs total: 3854 [2020-11-09 17:11:12,569 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-09 17:11:12,580 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-11-09 17:11:12,642 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-11-09 17:11:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-11-09 17:11:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 17:11:12,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:12,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:12,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:12,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:12,666 INFO L82 PathProgramCache]: Analyzing trace with hash -709438342, now seen corresponding path program 1 times [2020-11-09 17:11:12,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:12,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082652244] [2020-11-09 17:11:12,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:12,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082652244] [2020-11-09 17:11:12,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:12,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 17:11:12,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1535518872] [2020-11-09 17:11:12,979 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:12,984 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:13,011 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 17:11:13,011 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:13,020 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:13,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:11:13,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:13,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:11:13,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:11:13,047 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-11-09 17:11:13,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:13,137 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-11-09 17:11:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:11:13,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 17:11:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:13,165 INFO L225 Difference]: With dead ends: 670 [2020-11-09 17:11:13,165 INFO L226 Difference]: Without dead ends: 526 [2020-11-09 17:11:13,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:11:13,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-11-09 17:11:13,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-11-09 17:11:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-11-09 17:11:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-11-09 17:11:13,307 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-11-09 17:11:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:13,309 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-11-09 17:11:13,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:11:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-11-09 17:11:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 17:11:13,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:13,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:13,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:11:13,316 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:13,317 INFO L82 PathProgramCache]: Analyzing trace with hash 839232956, now seen corresponding path program 1 times [2020-11-09 17:11:13,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:13,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300034386] [2020-11-09 17:11:13,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:13,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300034386] [2020-11-09 17:11:13,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:13,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:11:13,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1407230480] [2020-11-09 17:11:13,463 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:13,464 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:13,467 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 25 transitions. [2020-11-09 17:11:13,467 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:13,592 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:13,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:11:13,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:13,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:11:13,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:11:13,598 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-11-09 17:11:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:13,649 INFO L93 Difference]: Finished difference Result 634 states and 2040 transitions. [2020-11-09 17:11:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 17:11:13,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 17:11:13,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:13,658 INFO L225 Difference]: With dead ends: 634 [2020-11-09 17:11:13,658 INFO L226 Difference]: Without dead ends: 322 [2020-11-09 17:11:13,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:11:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-11-09 17:11:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2020-11-09 17:11:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-11-09 17:11:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 1008 transitions. [2020-11-09 17:11:13,711 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 1008 transitions. Word has length 11 [2020-11-09 17:11:13,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:13,711 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 1008 transitions. [2020-11-09 17:11:13,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:11:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1008 transitions. [2020-11-09 17:11:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 17:11:13,719 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:13,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:13,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:11:13,720 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:13,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:13,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1127842304, now seen corresponding path program 1 times [2020-11-09 17:11:13,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:13,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588269114] [2020-11-09 17:11:13,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:13,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588269114] [2020-11-09 17:11:13,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:13,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 17:11:13,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1248028579] [2020-11-09 17:11:13,795 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:13,796 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:13,799 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 16 transitions. [2020-11-09 17:11:13,799 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:13,805 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:13,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:11:13,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:13,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:11:13,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:11:13,807 INFO L87 Difference]: Start difference. First operand 322 states and 1008 transitions. Second operand 3 states. [2020-11-09 17:11:13,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:13,817 INFO L93 Difference]: Finished difference Result 304 states and 939 transitions. [2020-11-09 17:11:13,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:11:13,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-09 17:11:13,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:13,840 INFO L225 Difference]: With dead ends: 304 [2020-11-09 17:11:13,840 INFO L226 Difference]: Without dead ends: 304 [2020-11-09 17:11:13,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:11:13,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-11-09 17:11:13,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-11-09 17:11:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-11-09 17:11:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 939 transitions. [2020-11-09 17:11:13,858 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 939 transitions. Word has length 12 [2020-11-09 17:11:13,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:13,859 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 939 transitions. [2020-11-09 17:11:13,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:11:13,859 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 939 transitions. [2020-11-09 17:11:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 17:11:13,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:13,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:13,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 17:11:13,864 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:13,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:13,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1624168671, now seen corresponding path program 1 times [2020-11-09 17:11:13,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:13,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576491041] [2020-11-09 17:11:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:14,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576491041] [2020-11-09 17:11:14,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:14,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:11:14,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [100021429] [2020-11-09 17:11:14,028 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:14,030 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:14,034 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 33 transitions. [2020-11-09 17:11:14,034 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:14,100 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:14,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:11:14,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:14,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:11:14,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:11:14,102 INFO L87 Difference]: Start difference. First operand 304 states and 939 transitions. Second operand 4 states. [2020-11-09 17:11:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:14,132 INFO L93 Difference]: Finished difference Result 406 states and 1208 transitions. [2020-11-09 17:11:14,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 17:11:14,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-09 17:11:14,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:14,134 INFO L225 Difference]: With dead ends: 406 [2020-11-09 17:11:14,135 INFO L226 Difference]: Without dead ends: 226 [2020-11-09 17:11:14,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:11:14,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-11-09 17:11:14,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-11-09 17:11:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-09 17:11:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 651 transitions. [2020-11-09 17:11:14,147 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 651 transitions. Word has length 13 [2020-11-09 17:11:14,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:14,147 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 651 transitions. [2020-11-09 17:11:14,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:11:14,147 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 651 transitions. [2020-11-09 17:11:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 17:11:14,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:14,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:14,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 17:11:14,149 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:14,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1524641156, now seen corresponding path program 1 times [2020-11-09 17:11:14,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:14,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753560140] [2020-11-09 17:11:14,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:14,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753560140] [2020-11-09 17:11:14,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:14,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:11:14,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [588846860] [2020-11-09 17:11:14,226 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:14,228 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:14,235 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 54 transitions. [2020-11-09 17:11:14,235 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:14,299 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,335 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,348 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,373 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,388 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,403 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,447 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6308#(not (= 4 ~__unbuffered_cnt~0))] [2020-11-09 17:11:14,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:11:14,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:14,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:11:14,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:11:14,449 INFO L87 Difference]: Start difference. First operand 226 states and 651 transitions. Second operand 5 states. [2020-11-09 17:11:14,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:14,525 INFO L93 Difference]: Finished difference Result 243 states and 637 transitions. [2020-11-09 17:11:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 17:11:14,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-11-09 17:11:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:14,527 INFO L225 Difference]: With dead ends: 243 [2020-11-09 17:11:14,528 INFO L226 Difference]: Without dead ends: 162 [2020-11-09 17:11:14,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:11:14,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-11-09 17:11:14,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-11-09 17:11:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-09 17:11:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 391 transitions. [2020-11-09 17:11:14,536 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 391 transitions. Word has length 14 [2020-11-09 17:11:14,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:14,536 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 391 transitions. [2020-11-09 17:11:14,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:11:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 391 transitions. [2020-11-09 17:11:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:11:14,537 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:14,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:14,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 17:11:14,537 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:14,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:14,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1193386920, now seen corresponding path program 1 times [2020-11-09 17:11:14,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:14,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334352396] [2020-11-09 17:11:14,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:14,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334352396] [2020-11-09 17:11:14,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:14,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 17:11:14,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1195288258] [2020-11-09 17:11:14,640 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:14,644 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:14,652 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 62 transitions. [2020-11-09 17:11:14,652 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:14,681 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,750 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 17:11:14,817 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:14,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 17:11:14,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:14,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 17:11:14,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 17:11:14,819 INFO L87 Difference]: Start difference. First operand 162 states and 391 transitions. Second operand 6 states. [2020-11-09 17:11:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:14,897 INFO L93 Difference]: Finished difference Result 158 states and 360 transitions. [2020-11-09 17:11:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 17:11:14,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-11-09 17:11:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:14,899 INFO L225 Difference]: With dead ends: 158 [2020-11-09 17:11:14,899 INFO L226 Difference]: Without dead ends: 125 [2020-11-09 17:11:14,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:11:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-11-09 17:11:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-09 17:11:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-09 17:11:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 282 transitions. [2020-11-09 17:11:14,905 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 282 transitions. Word has length 16 [2020-11-09 17:11:14,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:14,905 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 282 transitions. [2020-11-09 17:11:14,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 17:11:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 282 transitions. [2020-11-09 17:11:14,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 17:11:14,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:14,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:14,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 17:11:14,907 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:14,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:14,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1709090152, now seen corresponding path program 1 times [2020-11-09 17:11:14,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:14,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672850636] [2020-11-09 17:11:14,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:14,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672850636] [2020-11-09 17:11:14,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:14,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 17:11:14,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1031883672] [2020-11-09 17:11:14,987 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:14,990 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:15,022 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 34 transitions. [2020-11-09 17:11:15,022 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:15,050 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:15,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 17:11:15,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:15,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 17:11:15,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:11:15,054 INFO L87 Difference]: Start difference. First operand 125 states and 282 transitions. Second operand 7 states. [2020-11-09 17:11:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:15,144 INFO L93 Difference]: Finished difference Result 120 states and 270 transitions. [2020-11-09 17:11:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:11:15,144 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-11-09 17:11:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:15,146 INFO L225 Difference]: With dead ends: 120 [2020-11-09 17:11:15,146 INFO L226 Difference]: Without dead ends: 111 [2020-11-09 17:11:15,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-09 17:11:15,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-09 17:11:15,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-09 17:11:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-09 17:11:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 254 transitions. [2020-11-09 17:11:15,152 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 254 transitions. Word has length 18 [2020-11-09 17:11:15,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:15,152 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 254 transitions. [2020-11-09 17:11:15,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 17:11:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 254 transitions. [2020-11-09 17:11:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 17:11:15,153 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:15,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:15,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 17:11:15,154 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:15,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:15,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1760559887, now seen corresponding path program 1 times [2020-11-09 17:11:15,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:15,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639101517] [2020-11-09 17:11:15,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:15,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639101517] [2020-11-09 17:11:15,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:15,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:11:15,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [199811315] [2020-11-09 17:11:15,205 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:15,208 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:15,216 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 40 transitions. [2020-11-09 17:11:15,216 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:15,242 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:15,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:11:15,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:15,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:11:15,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:11:15,244 INFO L87 Difference]: Start difference. First operand 111 states and 254 transitions. Second operand 4 states. [2020-11-09 17:11:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:15,264 INFO L93 Difference]: Finished difference Result 144 states and 327 transitions. [2020-11-09 17:11:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 17:11:15,264 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-11-09 17:11:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:15,265 INFO L225 Difference]: With dead ends: 144 [2020-11-09 17:11:15,265 INFO L226 Difference]: Without dead ends: 71 [2020-11-09 17:11:15,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:11:15,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-09 17:11:15,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-09 17:11:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-09 17:11:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-11-09 17:11:15,269 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 20 [2020-11-09 17:11:15,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:15,269 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-11-09 17:11:15,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:11:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-11-09 17:11:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 17:11:15,270 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:11:15,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:11:15,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 17:11:15,271 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:11:15,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:11:15,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1416850207, now seen corresponding path program 2 times [2020-11-09 17:11:15,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:11:15,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795439120] [2020-11-09 17:11:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:11:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:11:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:11:15,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795439120] [2020-11-09 17:11:15,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:11:15,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:11:15,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [126112454] [2020-11-09 17:11:15,316 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:11:15,319 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:11:15,330 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 74 transitions. [2020-11-09 17:11:15,330 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:11:15,431 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:11:15,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:11:15,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:11:15,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:11:15,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:11:15,433 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-11-09 17:11:15,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:11:15,448 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-11-09 17:11:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 17:11:15,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-11-09 17:11:15,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:11:15,449 INFO L225 Difference]: With dead ends: 70 [2020-11-09 17:11:15,449 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 17:11:15,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:11:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 17:11:15,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 17:11:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 17:11:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 17:11:15,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-11-09 17:11:15,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:11:15,451 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 17:11:15,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:11:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 17:11:15,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 17:11:15,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 17:11:15,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:11:15 BasicIcfg [2020-11-09 17:11:15,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 17:11:15,457 INFO L168 Benchmark]: Toolchain (without parser) took 9272.79 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 125.3 MB in the beginning and 120.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 73.3 MB. Max. memory is 8.0 GB. [2020-11-09 17:11:15,458 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:11:15,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.39 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 126.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-11-09 17:11:15,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.52 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 124.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:11:15,461 INFO L168 Benchmark]: Boogie Preprocessor took 37.04 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 122.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:11:15,461 INFO L168 Benchmark]: RCFGBuilder took 835.21 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 98.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-11-09 17:11:15,462 INFO L168 Benchmark]: TraceAbstraction took 7548.85 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 97.5 MB in the beginning and 120.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 44.6 MB. Max. memory is 8.0 GB. [2020-11-09 17:11:15,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 775.39 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 126.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 59.52 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 124.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.04 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 122.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 835.21 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 98.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7548.85 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 97.5 MB in the beginning and 120.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 44.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1064 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 66 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.4s, 101 PlacesBefore, 38 PlacesAfterwards, 91 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3854 MoverChecksTotal - 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 5 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 188 SDtfs, 165 SDslu, 279 SDs, 0 SdLazy, 160 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...