/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-11 18:19:12,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-11 18:19:12,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-11 18:19:13,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-11 18:19:13,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-11 18:19:13,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-11 18:19:13,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-11 18:19:13,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-11 18:19:13,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-11 18:19:13,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-11 18:19:13,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-11 18:19:13,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-11 18:19:13,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-11 18:19:13,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-11 18:19:13,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-11 18:19:13,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-11 18:19:13,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-11 18:19:13,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-11 18:19:13,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-11 18:19:13,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-11 18:19:13,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-11 18:19:13,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-11 18:19:13,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-11 18:19:13,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-11 18:19:13,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-11 18:19:13,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-11 18:19:13,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-11 18:19:13,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-11 18:19:13,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-11 18:19:13,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-11 18:19:13,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-11 18:19:13,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-11 18:19:13,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-11 18:19:13,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-11 18:19:13,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-11 18:19:13,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-11 18:19:13,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2020-11-11 18:19:13,106 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-11 18:19:13,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-11 18:19:13,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-11 18:19:13,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-11 18:19:13,109 INFO L138 SettingsManager]: * Use SBE=true [2020-11-11 18:19:13,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-11 18:19:13,109 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-11 18:19:13,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-11 18:19:13,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-11 18:19:13,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-11 18:19:13,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-11 18:19:13,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-11 18:19:13,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-11 18:19:13,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-11 18:19:13,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-11 18:19:13,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-11 18:19:13,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-11 18:19:13,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-11 18:19:13,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-11 18:19:13,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-11 18:19:13,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-11 18:19:13,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 18:19:13,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-11 18:19:13,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-11 18:19:13,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-11 18:19:13,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-11 18:19:13,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-11 18:19:13,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-11 18:19:13,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-11 18:19:13,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-11 18:19:13,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-11 18:19:13,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-11 18:19:13,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-11 18:19:13,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-11 18:19:13,529 INFO L275 PluginConnector]: CDTParser initialized [2020-11-11 18:19:13,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-11-11 18:19:13,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86af313f8/980d42a9648341d3b68c414af98e903d/FLAGcd5de4942 [2020-11-11 18:19:14,334 INFO L306 CDTParser]: Found 1 translation units. [2020-11-11 18:19:14,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-11-11 18:19:14,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86af313f8/980d42a9648341d3b68c414af98e903d/FLAGcd5de4942 [2020-11-11 18:19:14,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86af313f8/980d42a9648341d3b68c414af98e903d [2020-11-11 18:19:14,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-11 18:19:14,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-11 18:19:14,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-11 18:19:14,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-11 18:19:14,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-11 18:19:14,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:19:14" (1/1) ... [2020-11-11 18:19:14,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2131b1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:14, skipping insertion in model container [2020-11-11 18:19:14,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:19:14" (1/1) ... [2020-11-11 18:19:14,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-11 18:19:14,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-11 18:19:15,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:19:15,124 INFO L203 MainTranslator]: Completed pre-run [2020-11-11 18:19:15,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:19:15,295 INFO L208 MainTranslator]: Completed translation [2020-11-11 18:19:15,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15 WrapperNode [2020-11-11 18:19:15,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-11 18:19:15,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-11 18:19:15,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-11 18:19:15,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-11 18:19:15,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-11 18:19:15,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-11 18:19:15,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-11 18:19:15,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-11 18:19:15,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (1/1) ... [2020-11-11 18:19:15,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-11 18:19:15,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-11 18:19:15,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-11 18:19:15,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-11 18:19:15,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (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 [2020-11-11 18:19:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-11 18:19:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-11 18:19:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-11 18:19:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-11 18:19:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-11 18:19:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-11 18:19:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-11 18:19:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-11 18:19:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-11 18:19:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-11 18:19:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-11 18:19:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-11 18:19:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-11 18:19:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-11 18:19:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-11 18:19:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-11 18:19:15,497 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-11 18:19:15,963 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-11 18:19:15,963 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-11 18:19:15,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:19:15 BoogieIcfgContainer [2020-11-11 18:19:15,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-11 18:19:15,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-11 18:19:15,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-11 18:19:15,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-11 18:19:15,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:19:14" (1/3) ... [2020-11-11 18:19:15,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783cdf2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:19:15, skipping insertion in model container [2020-11-11 18:19:15,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:19:15" (2/3) ... [2020-11-11 18:19:15,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783cdf2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:19:15, skipping insertion in model container [2020-11-11 18:19:15,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:19:15" (3/3) ... [2020-11-11 18:19:15,974 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2020-11-11 18:19:15,988 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-11 18:19:15,989 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-11 18:19:15,992 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-11 18:19:15,993 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-11 18:19:16,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,030 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,030 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,031 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,034 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,034 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,035 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,035 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,038 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,038 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,045 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,045 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,048 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,048 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,050 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,051 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:19:16,053 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-11 18:19:16,063 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-11 18:19:16,083 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 18:19:16,083 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 18:19:16,083 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 18:19:16,083 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 18:19:16,083 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 18:19:16,083 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 18:19:16,084 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 18:19:16,084 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 18:19:16,096 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 95 transitions, 210 flow [2020-11-11 18:19:29,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-11 18:19:30,210 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:30,211 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:30,212 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:30,221 INFO L82 PathProgramCache]: Analyzing trace with hash 207288984, now seen corresponding path program 1 times [2020-11-11 18:19:30,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:30,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398456230] [2020-11-11 18:19:30,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:30,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398456230] [2020-11-11 18:19:30,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:30,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:19:30,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794256545] [2020-11-11 18:19:30,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:19:30,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:30,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:19:30,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:19:31,037 INFO L87 Difference]: Start difference. First operand has 73649 states, 73647 states have (on average 4.471315871658044) internal successors, (329299), 73648 states have internal predecessors, (329299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:33,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:33,090 INFO L93 Difference]: Finished difference Result 93543 states and 406523 transitions. [2020-11-11 18:19:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:19:33,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2020-11-11 18:19:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:33,410 INFO L225 Difference]: With dead ends: 93543 [2020-11-11 18:19:33,410 INFO L226 Difference]: Without dead ends: 32146 [2020-11-11 18:19:33,412 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:19:34,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32146 states. [2020-11-11 18:19:35,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32146 to 32146. [2020-11-11 18:19:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32146 states, 32145 states have (on average 4.27789702908695) internal successors, (137513), 32145 states have internal predecessors, (137513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32146 states to 32146 states and 137513 transitions. [2020-11-11 18:19:36,269 INFO L78 Accepts]: Start accepts. Automaton has 32146 states and 137513 transitions. Word has length 49 [2020-11-11 18:19:36,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:36,270 INFO L481 AbstractCegarLoop]: Abstraction has 32146 states and 137513 transitions. [2020-11-11 18:19:36,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 32146 states and 137513 transitions. [2020-11-11 18:19:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-11 18:19:36,370 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:36,370 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:36,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-11 18:19:36,371 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:36,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:36,372 INFO L82 PathProgramCache]: Analyzing trace with hash -2026880935, now seen corresponding path program 1 times [2020-11-11 18:19:36,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:36,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830770760] [2020-11-11 18:19:36,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:36,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830770760] [2020-11-11 18:19:36,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:36,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:19:36,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398445134] [2020-11-11 18:19:36,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:19:36,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:36,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:19:36,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:19:36,543 INFO L87 Difference]: Start difference. First operand 32146 states and 137513 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:37,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:37,083 INFO L93 Difference]: Finished difference Result 35086 states and 148580 transitions. [2020-11-11 18:19:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:19:37,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2020-11-11 18:19:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:37,317 INFO L225 Difference]: With dead ends: 35086 [2020-11-11 18:19:37,317 INFO L226 Difference]: Without dead ends: 28226 [2020-11-11 18:19:37,318 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:19:37,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28226 states. [2020-11-11 18:19:38,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28226 to 28226. [2020-11-11 18:19:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28226 states, 28225 states have (on average 4.245066430469442) internal successors, (119817), 28225 states have internal predecessors, (119817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28226 states to 28226 states and 119817 transitions. [2020-11-11 18:19:39,538 INFO L78 Accepts]: Start accepts. Automaton has 28226 states and 119817 transitions. Word has length 51 [2020-11-11 18:19:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:39,539 INFO L481 AbstractCegarLoop]: Abstraction has 28226 states and 119817 transitions. [2020-11-11 18:19:39,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 28226 states and 119817 transitions. [2020-11-11 18:19:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-11 18:19:39,642 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:39,642 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:39,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-11 18:19:39,642 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:39,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:39,644 INFO L82 PathProgramCache]: Analyzing trace with hash 412575002, now seen corresponding path program 1 times [2020-11-11 18:19:39,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:39,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715531194] [2020-11-11 18:19:39,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:39,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715531194] [2020-11-11 18:19:39,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:39,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:19:39,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814829277] [2020-11-11 18:19:39,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:19:39,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:39,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:19:39,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:19:39,858 INFO L87 Difference]: Start difference. First operand 28226 states and 119817 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:40,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:40,198 INFO L93 Difference]: Finished difference Result 30326 states and 127602 transitions. [2020-11-11 18:19:40,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:19:40,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2020-11-11 18:19:40,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:40,300 INFO L225 Difference]: With dead ends: 30326 [2020-11-11 18:19:40,300 INFO L226 Difference]: Without dead ends: 25426 [2020-11-11 18:19:40,303 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:19:40,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25426 states. [2020-11-11 18:19:41,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25426 to 25426. [2020-11-11 18:19:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25426 states, 25425 states have (on average 4.2217109144542775) internal successors, (107337), 25425 states have internal predecessors, (107337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25426 states to 25426 states and 107337 transitions. [2020-11-11 18:19:41,713 INFO L78 Accepts]: Start accepts. Automaton has 25426 states and 107337 transitions. Word has length 53 [2020-11-11 18:19:41,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:41,716 INFO L481 AbstractCegarLoop]: Abstraction has 25426 states and 107337 transitions. [2020-11-11 18:19:41,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 25426 states and 107337 transitions. [2020-11-11 18:19:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-11 18:19:41,771 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:41,771 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:41,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-11 18:19:41,772 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:41,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1670743673, now seen corresponding path program 1 times [2020-11-11 18:19:41,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:41,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617629232] [2020-11-11 18:19:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:42,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617629232] [2020-11-11 18:19:42,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:42,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:19:42,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808677499] [2020-11-11 18:19:42,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:19:42,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:42,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:19:42,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:19:42,356 INFO L87 Difference]: Start difference. First operand 25426 states and 107337 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:42,709 INFO L93 Difference]: Finished difference Result 26926 states and 112812 transitions. [2020-11-11 18:19:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:19:42,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2020-11-11 18:19:42,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:42,796 INFO L225 Difference]: With dead ends: 26926 [2020-11-11 18:19:42,796 INFO L226 Difference]: Without dead ends: 23426 [2020-11-11 18:19:42,797 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:19:42,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23426 states. [2020-11-11 18:19:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23426 to 23426. [2020-11-11 18:19:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23426 states, 23425 states have (on average 4.206488794023479) internal successors, (98537), 23425 states have internal predecessors, (98537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23426 states to 23426 states and 98537 transitions. [2020-11-11 18:19:44,117 INFO L78 Accepts]: Start accepts. Automaton has 23426 states and 98537 transitions. Word has length 55 [2020-11-11 18:19:44,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:44,120 INFO L481 AbstractCegarLoop]: Abstraction has 23426 states and 98537 transitions. [2020-11-11 18:19:44,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 23426 states and 98537 transitions. [2020-11-11 18:19:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-11 18:19:44,180 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:44,180 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:44,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-11 18:19:44,189 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:44,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:44,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1540026502, now seen corresponding path program 1 times [2020-11-11 18:19:44,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:44,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395903821] [2020-11-11 18:19:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:44,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395903821] [2020-11-11 18:19:44,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:44,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:19:44,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206846654] [2020-11-11 18:19:44,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:19:44,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:44,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:19:44,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:19:44,417 INFO L87 Difference]: Start difference. First operand 23426 states and 98537 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:44,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:44,838 INFO L93 Difference]: Finished difference Result 32426 states and 135022 transitions. [2020-11-11 18:19:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:19:44,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2020-11-11 18:19:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:44,898 INFO L225 Difference]: With dead ends: 32426 [2020-11-11 18:19:44,898 INFO L226 Difference]: Without dead ends: 16801 [2020-11-11 18:19:44,899 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:19:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16801 states. [2020-11-11 18:19:45,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16801 to 16801. [2020-11-11 18:19:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16801 states, 16800 states have (on average 4.09625) internal successors, (68817), 16800 states have internal predecessors, (68817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16801 states to 16801 states and 68817 transitions. [2020-11-11 18:19:45,855 INFO L78 Accepts]: Start accepts. Automaton has 16801 states and 68817 transitions. Word has length 57 [2020-11-11 18:19:45,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:45,855 INFO L481 AbstractCegarLoop]: Abstraction has 16801 states and 68817 transitions. [2020-11-11 18:19:45,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 16801 states and 68817 transitions. [2020-11-11 18:19:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-11 18:19:45,879 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:45,880 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:45,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-11 18:19:45,880 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:45,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:45,881 INFO L82 PathProgramCache]: Analyzing trace with hash 860241948, now seen corresponding path program 1 times [2020-11-11 18:19:45,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:45,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532580967] [2020-11-11 18:19:45,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:46,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532580967] [2020-11-11 18:19:46,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:46,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:19:46,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904381000] [2020-11-11 18:19:46,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:19:46,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:46,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:19:46,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:19:46,015 INFO L87 Difference]: Start difference. First operand 16801 states and 68817 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:46,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:46,324 INFO L93 Difference]: Finished difference Result 22241 states and 90429 transitions. [2020-11-11 18:19:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:19:46,325 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2020-11-11 18:19:46,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:46,359 INFO L225 Difference]: With dead ends: 22241 [2020-11-11 18:19:46,360 INFO L226 Difference]: Without dead ends: 11231 [2020-11-11 18:19:46,360 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:19:46,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11231 states. [2020-11-11 18:19:46,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11231 to 11231. [2020-11-11 18:19:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11231 states, 11230 states have (on average 3.980142475512021) internal successors, (44697), 11230 states have internal predecessors, (44697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11231 states to 11231 states and 44697 transitions. [2020-11-11 18:19:46,632 INFO L78 Accepts]: Start accepts. Automaton has 11231 states and 44697 transitions. Word has length 58 [2020-11-11 18:19:46,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:46,632 INFO L481 AbstractCegarLoop]: Abstraction has 11231 states and 44697 transitions. [2020-11-11 18:19:46,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 11231 states and 44697 transitions. [2020-11-11 18:19:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-11 18:19:46,982 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:46,983 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:46,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-11 18:19:46,983 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:46,983 INFO L82 PathProgramCache]: Analyzing trace with hash 76604536, now seen corresponding path program 1 times [2020-11-11 18:19:46,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:46,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546053945] [2020-11-11 18:19:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:47,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546053945] [2020-11-11 18:19:47,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:47,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:19:47,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577605139] [2020-11-11 18:19:47,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:19:47,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:47,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:19:47,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:19:47,185 INFO L87 Difference]: Start difference. First operand 11231 states and 44697 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:47,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:47,450 INFO L93 Difference]: Finished difference Result 14431 states and 57257 transitions. [2020-11-11 18:19:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:19:47,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2020-11-11 18:19:47,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:47,468 INFO L225 Difference]: With dead ends: 14431 [2020-11-11 18:19:47,468 INFO L226 Difference]: Without dead ends: 7651 [2020-11-11 18:19:47,469 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:19:47,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7651 states. [2020-11-11 18:19:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7651 to 7651. [2020-11-11 18:19:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7651 states, 7650 states have (on average 3.8633986928104576) internal successors, (29555), 7650 states have internal predecessors, (29555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7651 states to 7651 states and 29555 transitions. [2020-11-11 18:19:47,638 INFO L78 Accepts]: Start accepts. Automaton has 7651 states and 29555 transitions. Word has length 59 [2020-11-11 18:19:47,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:47,638 INFO L481 AbstractCegarLoop]: Abstraction has 7651 states and 29555 transitions. [2020-11-11 18:19:47,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 7651 states and 29555 transitions. [2020-11-11 18:19:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-11 18:19:47,649 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:19:47,649 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:19:47,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-11 18:19:47,650 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:19:47,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:19:47,650 INFO L82 PathProgramCache]: Analyzing trace with hash 916292456, now seen corresponding path program 1 times [2020-11-11 18:19:47,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:19:47,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194239341] [2020-11-11 18:19:47,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:19:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:19:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:19:47,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194239341] [2020-11-11 18:19:47,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:19:47,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:19:47,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593899442] [2020-11-11 18:19:47,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:19:47,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:19:47,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:19:47,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:19:47,769 INFO L87 Difference]: Start difference. First operand 7651 states and 29555 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:19:47,987 INFO L93 Difference]: Finished difference Result 6371 states and 24371 transitions. [2020-11-11 18:19:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:19:47,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2020-11-11 18:19:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:19:47,988 INFO L225 Difference]: With dead ends: 6371 [2020-11-11 18:19:47,988 INFO L226 Difference]: Without dead ends: 0 [2020-11-11 18:19:47,989 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:19:47,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-11 18:19:47,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-11 18:19:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-11 18:19:47,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-11-11 18:19:47,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:19:47,989 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-11 18:19:47,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:19:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-11 18:19:47,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-11 18:19:47,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-11 18:19:47,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:19:47 BasicIcfg [2020-11-11 18:19:47,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-11 18:19:47,995 INFO L168 Benchmark]: Toolchain (without parser) took 33391.61 ms. Allocated memory was 302.0 MB in the beginning and 9.5 GB in the end (delta: 9.2 GB). Free memory was 276.9 MB in the beginning and 7.8 GB in the end (delta: -7.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2020-11-11 18:19:47,996 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 18:19:47,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.07 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 245.1 MB in the end (delta: 31.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-11 18:19:47,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.82 ms. Allocated memory is still 302.0 MB. Free memory was 245.0 MB in the beginning and 243.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 18:19:47,998 INFO L168 Benchmark]: Boogie Preprocessor took 35.75 ms. Allocated memory is still 302.0 MB. Free memory was 243.0 MB in the beginning and 241.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 18:19:47,999 INFO L168 Benchmark]: RCFGBuilder took 579.96 ms. Allocated memory is still 302.0 MB. Free memory was 241.6 MB in the beginning and 260.2 MB in the end (delta: -18.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2020-11-11 18:19:48,000 INFO L168 Benchmark]: TraceAbstraction took 32026.31 ms. Allocated memory was 302.0 MB in the beginning and 9.5 GB in the end (delta: 9.2 GB). Free memory was 260.2 MB in the beginning and 7.8 GB in the end (delta: -7.6 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2020-11-11 18:19:48,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 686.07 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 245.1 MB in the end (delta: 31.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.82 ms. Allocated memory is still 302.0 MB. Free memory was 245.0 MB in the beginning and 243.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 35.75 ms. Allocated memory is still 302.0 MB. Free memory was 243.0 MB in the beginning and 241.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 579.96 ms. Allocated memory is still 302.0 MB. Free memory was 241.6 MB in the beginning and 260.2 MB in the end (delta: -18.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 32026.31 ms. Allocated memory was 302.0 MB in the beginning and 9.5 GB in the end (delta: 9.2 GB). Free memory was 260.2 MB in the beginning and 7.8 GB in the end (delta: -7.6 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.9s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.7s, HoareTripleCheckerStatistics: 990 SDtfs, 1325 SDslu, 3054 SDs, 0 SdLazy, 190 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73649occurred 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: 9.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 67994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...