/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 18:22:10,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 18:22:10,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 18:22:10,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 18:22:10,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 18:22:10,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 18:22:10,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 18:22:10,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 18:22:10,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 18:22:10,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 18:22:10,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 18:22:10,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 18:22:10,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 18:22:10,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 18:22:10,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 18:22:10,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 18:22:10,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 18:22:10,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 18:22:10,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 18:22:10,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 18:22:10,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 18:22:10,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 18:22:10,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 18:22:10,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 18:22:10,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 18:22:10,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 18:22:10,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 18:22:10,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 18:22:10,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 18:22:10,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 18:22:10,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 18:22:10,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 18:22:10,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 18:22:10,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 18:22:10,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 18:22:10,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 18:22:10,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 18:22:10,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 18:22:10,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 18:22:10,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 18:22:10,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 18:22:10,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-04-17 18:22:11,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 18:22:11,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 18:22:11,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 18:22:11,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 18:22:11,037 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 18:22:11,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 18:22:11,037 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 18:22:11,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 18:22:11,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 18:22:11,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 18:22:11,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 18:22:11,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 18:22:11,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 18:22:11,039 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 18:22:11,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 18:22:11,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 18:22:11,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 18:22:11,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 18:22:11,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 18:22:11,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 18:22:11,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 18:22:11,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 18:22:11,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 18:22:11,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 18:22:11,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 18:22:11,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 18:22:11,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 18:22:11,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 18:22:11,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-04-17 18:22:11,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 18:22:11,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 18:22:11,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 18:22:11,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 18:22:11,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 18:22:11,405 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 18:22:11,406 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_tso.oepc.i [2020-04-17 18:22:11,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b967d85/140ce9a4f2b94083ba7e427d2a1d029a/FLAG9fd1d7c26 [2020-04-17 18:22:12,010 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 18:22:12,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_tso.oepc.i [2020-04-17 18:22:12,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b967d85/140ce9a4f2b94083ba7e427d2a1d029a/FLAG9fd1d7c26 [2020-04-17 18:22:12,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b967d85/140ce9a4f2b94083ba7e427d2a1d029a [2020-04-17 18:22:12,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 18:22:12,282 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 18:22:12,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 18:22:12,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 18:22:12,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 18:22:12,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:22:12" (1/1) ... [2020-04-17 18:22:12,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f22b058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:12, skipping insertion in model container [2020-04-17 18:22:12,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:22:12" (1/1) ... [2020-04-17 18:22:12,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 18:22:12,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 18:22:12,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:22:12,928 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 18:22:13,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:22:13,074 INFO L208 MainTranslator]: Completed translation [2020-04-17 18:22:13,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13 WrapperNode [2020-04-17 18:22:13,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 18:22:13,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 18:22:13,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 18:22:13,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 18:22:13,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 18:22:13,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 18:22:13,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 18:22:13,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 18:22:13,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (1/1) ... [2020-04-17 18:22:13,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 18:22:13,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 18:22:13,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 18:22:13,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 18:22:13,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (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 [2020-04-17 18:22:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 18:22:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-17 18:22:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 18:22:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 18:22:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-17 18:22:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-17 18:22:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-17 18:22:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-17 18:22:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-17 18:22:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-17 18:22:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-17 18:22:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 18:22:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 18:22:13,230 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 18:22:13,658 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 18:22:13,659 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-17 18:22:13,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:22:13 BoogieIcfgContainer [2020-04-17 18:22:13,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 18:22:13,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 18:22:13,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 18:22:13,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 18:22:13,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 06:22:12" (1/3) ... [2020-04-17 18:22:13,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791832be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:22:13, skipping insertion in model container [2020-04-17 18:22:13,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:13" (2/3) ... [2020-04-17 18:22:13,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791832be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:22:13, skipping insertion in model container [2020-04-17 18:22:13,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:22:13" (3/3) ... [2020-04-17 18:22:13,672 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_tso.oepc.i [2020-04-17 18:22:13,682 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 18:22:13,683 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 18:22:13,690 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-17 18:22:13,691 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 18:22:13,720 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,720 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,721 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,721 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,722 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,722 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,724 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,724 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,724 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,725 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,725 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,725 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,726 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,727 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,727 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,727 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,728 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,728 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,733 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,733 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,733 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,734 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,748 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,748 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,749 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,749 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,759 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,763 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,764 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:22:13,799 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-17 18:22:13,823 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:22:13,823 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:22:13,824 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:22:13,824 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:22:13,824 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:22:13,825 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:22:13,825 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:22:13,825 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:22:13,850 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-04-17 18:22:13,852 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-17 18:22:13,906 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-17 18:22:13,906 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:22:13,910 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-17 18:22:13,913 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-04-17 18:22:13,935 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-04-17 18:22:13,935 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-17 18:22:13,936 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-17 18:22:13,938 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-04-17 18:22:13,939 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:22:15,397 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-04-17 18:22:15,519 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315 [2020-04-17 18:22:15,520 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-04-17 18:22:15,526 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-04-17 18:22:15,570 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-04-17 18:22:15,573 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-04-17 18:22:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 18:22:15,582 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:22:15,583 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:22:15,584 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:22:15,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:22:15,591 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times [2020-04-17 18:22:15,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:22:15,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944470054] [2020-04-17 18:22:15,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:22:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:22:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:22:15,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944470054] [2020-04-17 18:22:15,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:22:15,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:22:15,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132195589] [2020-04-17 18:22:15,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:22:15,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:22:15,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:22:15,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:22:15,826 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-04-17 18:22:15,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:22:15,863 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-04-17 18:22:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:22:15,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-04-17 18:22:15,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:22:15,885 INFO L225 Difference]: With dead ends: 362 [2020-04-17 18:22:15,886 INFO L226 Difference]: Without dead ends: 298 [2020-04-17 18:22:15,887 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:22:15,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-04-17 18:22:15,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-04-17 18:22:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-04-17 18:22:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-04-17 18:22:15,965 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-04-17 18:22:15,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:22:15,966 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-04-17 18:22:15,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:22:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-04-17 18:22:15,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 18:22:15,968 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:22:15,968 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:22:15,968 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:22:15,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:22:15,969 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times [2020-04-17 18:22:15,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:22:15,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562091201] [2020-04-17 18:22:15,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:22:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:22:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:22:16,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562091201] [2020-04-17 18:22:16,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:22:16,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:22:16,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357197172] [2020-04-17 18:22:16,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 18:22:16,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:22:16,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 18:22:16,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:22:16,104 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-04-17 18:22:16,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:22:16,138 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-04-17 18:22:16,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 18:22:16,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-17 18:22:16,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:22:16,148 INFO L225 Difference]: With dead ends: 217 [2020-04-17 18:22:16,150 INFO L226 Difference]: Without dead ends: 217 [2020-04-17 18:22:16,151 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:22:16,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-04-17 18:22:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-04-17 18:22:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-04-17 18:22:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-04-17 18:22:16,182 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-04-17 18:22:16,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:22:16,182 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-04-17 18:22:16,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 18:22:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-04-17 18:22:16,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-17 18:22:16,184 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:22:16,184 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:22:16,184 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:22:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:22:16,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times [2020-04-17 18:22:16,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:22:16,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690130799] [2020-04-17 18:22:16,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:22:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:22:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:22:16,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690130799] [2020-04-17 18:22:16,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:22:16,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 18:22:16,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45881594] [2020-04-17 18:22:16,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:22:16,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:22:16,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:22:16,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:22:16,297 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-04-17 18:22:16,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:22:16,319 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-04-17 18:22:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 18:22:16,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-04-17 18:22:16,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:22:16,321 INFO L225 Difference]: With dead ends: 136 [2020-04-17 18:22:16,321 INFO L226 Difference]: Without dead ends: 136 [2020-04-17 18:22:16,321 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:22:16,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-04-17 18:22:16,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-04-17 18:22:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-04-17 18:22:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-04-17 18:22:16,329 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-04-17 18:22:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:22:16,330 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-04-17 18:22:16,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:22:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-04-17 18:22:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-17 18:22:16,332 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:22:16,332 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:22:16,332 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:22:16,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:22:16,333 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times [2020-04-17 18:22:16,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:22:16,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373207862] [2020-04-17 18:22:16,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:22:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:22:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:22:16,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373207862] [2020-04-17 18:22:16,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:22:16,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 18:22:16,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345343947] [2020-04-17 18:22:16,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:22:16,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:22:16,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:22:16,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:22:16,422 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-04-17 18:22:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:22:16,456 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-04-17 18:22:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:22:16,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-04-17 18:22:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:22:16,457 INFO L225 Difference]: With dead ends: 109 [2020-04-17 18:22:16,457 INFO L226 Difference]: Without dead ends: 109 [2020-04-17 18:22:16,458 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:22:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-04-17 18:22:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-04-17 18:22:16,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-04-17 18:22:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-04-17 18:22:16,463 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-04-17 18:22:16,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:22:16,464 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-04-17 18:22:16,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:22:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-04-17 18:22:16,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-17 18:22:16,466 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:22:16,466 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:22:16,466 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:22:16,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:22:16,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times [2020-04-17 18:22:16,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:22:16,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775616059] [2020-04-17 18:22:16,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:22:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:22:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:22:16,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775616059] [2020-04-17 18:22:16,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:22:16,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 18:22:16,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914684174] [2020-04-17 18:22:16,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:22:16,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:22:16,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:22:16,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:22:16,545 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states. [2020-04-17 18:22:16,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:22:16,599 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-04-17 18:22:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:22:16,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-04-17 18:22:16,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:22:16,601 INFO L225 Difference]: With dead ends: 135 [2020-04-17 18:22:16,603 INFO L226 Difference]: Without dead ends: 85 [2020-04-17 18:22:16,604 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-17 18:22:16,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-04-17 18:22:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-04-17 18:22:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-04-17 18:22:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 177 transitions. [2020-04-17 18:22:16,611 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 177 transitions. Word has length 18 [2020-04-17 18:22:16,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:22:16,612 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 177 transitions. [2020-04-17 18:22:16,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:22:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 177 transitions. [2020-04-17 18:22:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-17 18:22:16,613 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:22:16,613 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:22:16,613 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:22:16,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:22:16,614 INFO L82 PathProgramCache]: Analyzing trace with hash -739037833, now seen corresponding path program 2 times [2020-04-17 18:22:16,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:22:16,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303573304] [2020-04-17 18:22:16,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:22:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:22:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:22:16,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303573304] [2020-04-17 18:22:16,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:22:16,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 18:22:16,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214666568] [2020-04-17 18:22:16,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:22:16,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:22:16,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:22:16,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:22:16,694 INFO L87 Difference]: Start difference. First operand 85 states and 177 transitions. Second operand 5 states. [2020-04-17 18:22:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:22:16,735 INFO L93 Difference]: Finished difference Result 99 states and 199 transitions. [2020-04-17 18:22:16,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:22:16,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-04-17 18:22:16,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:22:16,736 INFO L225 Difference]: With dead ends: 99 [2020-04-17 18:22:16,736 INFO L226 Difference]: Without dead ends: 37 [2020-04-17 18:22:16,737 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-17 18:22:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-04-17 18:22:16,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-04-17 18:22:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-04-17 18:22:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-04-17 18:22:16,739 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-04-17 18:22:16,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:22:16,740 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-04-17 18:22:16,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:22:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-04-17 18:22:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-17 18:22:16,741 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:22:16,741 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:22:16,741 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:22:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:22:16,741 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times [2020-04-17 18:22:16,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:22:16,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506749666] [2020-04-17 18:22:16,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:22:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:22:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:22:16,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506749666] [2020-04-17 18:22:16,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:22:16,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 18:22:16,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377890865] [2020-04-17 18:22:16,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:22:16,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:22:16,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:22:16,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:22:16,835 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states. [2020-04-17 18:22:16,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:22:16,865 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-04-17 18:22:16,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:22:16,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-04-17 18:22:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:22:16,866 INFO L225 Difference]: With dead ends: 36 [2020-04-17 18:22:16,866 INFO L226 Difference]: Without dead ends: 0 [2020-04-17 18:22:16,867 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-17 18:22:16,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-17 18:22:16,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-17 18:22:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-17 18:22:16,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-17 18:22:16,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-04-17 18:22:16,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:22:16,868 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-17 18:22:16,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:22:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-17 18:22:16,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-17 18:22:16,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 06:22:16 BasicIcfg [2020-04-17 18:22:16,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 18:22:16,875 INFO L168 Benchmark]: Toolchain (without parser) took 4609.17 ms. Allocated memory was 145.8 MB in the beginning and 245.9 MB in the end (delta: 100.1 MB). Free memory was 101.9 MB in the beginning and 95.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2020-04-17 18:22:16,876 INFO L168 Benchmark]: CDTParser took 1.48 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-17 18:22:16,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.83 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 160.3 MB in the end (delta: -60.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-04-17 18:22:16,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.34 ms. Allocated memory is still 203.4 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-17 18:22:16,878 INFO L168 Benchmark]: Boogie Preprocessor took 26.76 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-17 18:22:16,879 INFO L168 Benchmark]: RCFGBuilder took 511.37 ms. Allocated memory is still 203.4 MB. Free memory was 156.3 MB in the beginning and 133.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-04-17 18:22:16,881 INFO L168 Benchmark]: TraceAbstraction took 3208.93 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 133.1 MB in the beginning and 95.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-04-17 18:22:16,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 791.83 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 160.3 MB in the end (delta: -60.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.34 ms. Allocated memory is still 203.4 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.76 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 511.37 ms. Allocated memory is still 203.4 MB. Free memory was 156.3 MB in the beginning and 133.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3208.93 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 133.1 MB in the beginning and 95.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 663 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 2315 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 139 SDtfs, 90 SDslu, 214 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...