/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/safe019_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:02:25,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:02:25,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:02:25,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:02:25,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:02:25,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:02:25,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:02:25,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:02:25,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:02:25,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:02:25,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:02:25,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:02:25,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:02:25,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:02:25,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:02:25,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:02:25,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:02:25,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:02:25,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:02:25,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:02:25,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:02:25,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:02:25,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:02:25,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:02:25,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 22:02:25,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:02:25,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:02:25,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:02:25,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:02:25,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:02:25,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:02:25,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:02:25,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:02:25,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:02:25,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:02:25,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:02:25,825 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 [2020-10-21 22:02:25,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:02:25,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:02:25,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:02:25,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:02:25,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:02:25,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:02:25,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:02:25,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:02:25,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:02:25,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:02:25,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:02:25,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:02:25,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:02:25,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:02:25,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:02:25,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:02:25,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:02:25,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:02:25,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:02:25,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:02:25,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:02:25,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:02:25,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:02:25,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:02:25,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:02:25,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:02:25,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:02:25,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:02:25,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:02:25,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:02:26,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:02:26,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:02:26,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:02:26,192 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:02:26,195 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:02:26,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-10-21 22:02:26,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033662301/e460e856ff194820ac5edcf7172159a3/FLAGff683b2f8 [2020-10-21 22:02:26,896 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:02:26,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc.i [2020-10-21 22:02:26,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033662301/e460e856ff194820ac5edcf7172159a3/FLAGff683b2f8 [2020-10-21 22:02:27,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033662301/e460e856ff194820ac5edcf7172159a3 [2020-10-21 22:02:27,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:02:27,222 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:02:27,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:02:27,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:02:27,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:02:27,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:27,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2cdfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27, skipping insertion in model container [2020-10-21 22:02:27,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:27,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:02:27,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:02:27,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:02:27,793 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:02:27,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:02:27,930 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:02:27,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27 WrapperNode [2020-10-21 22:02:27,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:02:27,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:02:27,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:02:27,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:02:27,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:27,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:27,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:02:27,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:02:27,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:02:27,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:02:27,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:27,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:27,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:27,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:28,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:28,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:28,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (1/1) ... [2020-10-21 22:02:28,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:02:28,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:02:28,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:02:28,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:02:28,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (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 [2020-10-21 22:02:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:02:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:02:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:02:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:02:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:02:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:02:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:02:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:02:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:02:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:02:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 22:02:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 22:02:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:02:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:02:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:02:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:02:28,095 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:02:28,494 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:02:28,495 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 22:02:28,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:02:28 BoogieIcfgContainer [2020-10-21 22:02:28,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:02:28,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:02:28,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:02:28,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:02:28,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:02:27" (1/3) ... [2020-10-21 22:02:28,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fef1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:02:28, skipping insertion in model container [2020-10-21 22:02:28,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:02:27" (2/3) ... [2020-10-21 22:02:28,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fef1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:02:28, skipping insertion in model container [2020-10-21 22:02:28,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:02:28" (3/3) ... [2020-10-21 22:02:28,511 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc.i [2020-10-21 22:02:28,523 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:02:28,524 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:02:28,533 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:02:28,534 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:02:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,572 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,572 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,573 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,575 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,575 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,575 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,575 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,595 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,595 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,608 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,608 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,615 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,616 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:02:28,621 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:02:28,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 22:02:28,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:02:28,649 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:02:28,649 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:02:28,649 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:02:28,649 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:02:28,649 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:02:28,650 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:02:28,650 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:02:28,665 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:02:28,668 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 90 transitions, 200 flow [2020-10-21 22:02:28,671 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 90 transitions, 200 flow [2020-10-21 22:02:28,673 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 90 transitions, 200 flow [2020-10-21 22:02:28,726 INFO L129 PetriNetUnfolder]: 3/86 cut-off events. [2020-10-21 22:02:28,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:02:28,735 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 86 events. 3/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-21 22:02:28,741 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-21 22:02:30,866 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-21 22:02:31,152 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-10-21 22:02:31,251 INFO L131 LiptonReduction]: Checked pairs total: 4371 [2020-10-21 22:02:31,251 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-10-21 22:02:31,258 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-21 22:02:31,305 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-21 22:02:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-21 22:02:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 22:02:31,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:31,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:31,320 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:31,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:31,326 INFO L82 PathProgramCache]: Analyzing trace with hash -849468874, now seen corresponding path program 1 times [2020-10-21 22:02:31,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:31,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315861623] [2020-10-21 22:02:31,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:31,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315861623] [2020-10-21 22:02:31,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:31,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:02:31,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731879747] [2020-10-21 22:02:31,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:02:31,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:31,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:02:31,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:02:31,622 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-21 22:02:31,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:31,681 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-21 22:02:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:02:31,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 22:02:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:31,707 INFO L225 Difference]: With dead ends: 670 [2020-10-21 22:02:31,707 INFO L226 Difference]: Without dead ends: 526 [2020-10-21 22:02:31,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:02:31,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-21 22:02:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-21 22:02:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-21 22:02:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-21 22:02:31,825 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-21 22:02:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:31,826 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-21 22:02:31,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:02:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-21 22:02:31,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:02:31,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:31,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:31,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:02:31,832 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:31,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:31,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1548819894, now seen corresponding path program 1 times [2020-10-21 22:02:31,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:31,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827920776] [2020-10-21 22:02:31,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:31,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827920776] [2020-10-21 22:02:31,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:31,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:02:31,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889670686] [2020-10-21 22:02:31,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:31,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:31,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:31,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:31,937 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-21 22:02:31,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:31,974 INFO L93 Difference]: Finished difference Result 724 states and 2331 transitions. [2020-10-21 22:02:31,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:02:31,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-21 22:02:31,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:31,980 INFO L225 Difference]: With dead ends: 724 [2020-10-21 22:02:31,980 INFO L226 Difference]: Without dead ends: 412 [2020-10-21 22:02:31,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:31,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-10-21 22:02:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2020-10-21 22:02:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-21 22:02:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1323 transitions. [2020-10-21 22:02:32,003 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1323 transitions. Word has length 11 [2020-10-21 22:02:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,003 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 1323 transitions. [2020-10-21 22:02:32,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1323 transitions. [2020-10-21 22:02:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:02:32,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:02:32,006 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,007 INFO L82 PathProgramCache]: Analyzing trace with hash -295858392, now seen corresponding path program 1 times [2020-10-21 22:02:32,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21061557] [2020-10-21 22:02:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21061557] [2020-10-21 22:02:32,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:02:32,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456094580] [2020-10-21 22:02:32,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:02:32,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:02:32,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:02:32,095 INFO L87 Difference]: Start difference. First operand 412 states and 1323 transitions. Second operand 3 states. [2020-10-21 22:02:32,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,105 INFO L93 Difference]: Finished difference Result 394 states and 1254 transitions. [2020-10-21 22:02:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:02:32,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 22:02:32,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,109 INFO L225 Difference]: With dead ends: 394 [2020-10-21 22:02:32,110 INFO L226 Difference]: Without dead ends: 394 [2020-10-21 22:02:32,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:02:32,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-21 22:02:32,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-21 22:02:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-21 22:02:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1254 transitions. [2020-10-21 22:02:32,152 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1254 transitions. Word has length 12 [2020-10-21 22:02:32,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,152 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1254 transitions. [2020-10-21 22:02:32,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:02:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1254 transitions. [2020-10-21 22:02:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:02:32,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:02:32,155 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1042420885, now seen corresponding path program 1 times [2020-10-21 22:02:32,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183582122] [2020-10-21 22:02:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183582122] [2020-10-21 22:02:32,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:02:32,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609448161] [2020-10-21 22:02:32,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:32,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:32,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:32,207 INFO L87 Difference]: Start difference. First operand 394 states and 1254 transitions. Second operand 4 states. [2020-10-21 22:02:32,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,233 INFO L93 Difference]: Finished difference Result 538 states and 1654 transitions. [2020-10-21 22:02:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:02:32,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 22:02:32,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,237 INFO L225 Difference]: With dead ends: 538 [2020-10-21 22:02:32,237 INFO L226 Difference]: Without dead ends: 286 [2020-10-21 22:02:32,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:32,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-21 22:02:32,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-10-21 22:02:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-21 22:02:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 851 transitions. [2020-10-21 22:02:32,249 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 851 transitions. Word has length 13 [2020-10-21 22:02:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,249 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 851 transitions. [2020-10-21 22:02:32,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:32,250 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 851 transitions. [2020-10-21 22:02:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 22:02:32,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:02:32,251 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,252 INFO L82 PathProgramCache]: Analyzing trace with hash -402598089, now seen corresponding path program 1 times [2020-10-21 22:02:32,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558258613] [2020-10-21 22:02:32,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558258613] [2020-10-21 22:02:32,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:02:32,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414897777] [2020-10-21 22:02:32,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:32,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:32,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:32,326 INFO L87 Difference]: Start difference. First operand 286 states and 851 transitions. Second operand 4 states. [2020-10-21 22:02:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,375 INFO L93 Difference]: Finished difference Result 355 states and 990 transitions. [2020-10-21 22:02:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:02:32,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 22:02:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,377 INFO L225 Difference]: With dead ends: 355 [2020-10-21 22:02:32,378 INFO L226 Difference]: Without dead ends: 262 [2020-10-21 22:02:32,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:32,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-21 22:02:32,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2020-10-21 22:02:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-21 22:02:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 738 transitions. [2020-10-21 22:02:32,388 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 738 transitions. Word has length 14 [2020-10-21 22:02:32,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,388 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 738 transitions. [2020-10-21 22:02:32,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 738 transitions. [2020-10-21 22:02:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:02:32,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:02:32,390 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1456913458, now seen corresponding path program 1 times [2020-10-21 22:02:32,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920040965] [2020-10-21 22:02:32,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920040965] [2020-10-21 22:02:32,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:02:32,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626522883] [2020-10-21 22:02:32,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:02:32,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:02:32,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:32,454 INFO L87 Difference]: Start difference. First operand 262 states and 738 transitions. Second operand 5 states. [2020-10-21 22:02:32,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,502 INFO L93 Difference]: Finished difference Result 283 states and 734 transitions. [2020-10-21 22:02:32,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:02:32,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 22:02:32,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,505 INFO L225 Difference]: With dead ends: 283 [2020-10-21 22:02:32,505 INFO L226 Difference]: Without dead ends: 208 [2020-10-21 22:02:32,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:02:32,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-21 22:02:32,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2020-10-21 22:02:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-21 22:02:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 528 transitions. [2020-10-21 22:02:32,513 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 528 transitions. Word has length 15 [2020-10-21 22:02:32,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,513 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 528 transitions. [2020-10-21 22:02:32,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:02:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 528 transitions. [2020-10-21 22:02:32,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:02:32,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:02:32,515 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2108608562, now seen corresponding path program 1 times [2020-10-21 22:02:32,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537536268] [2020-10-21 22:02:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537536268] [2020-10-21 22:02:32,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:02:32,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081089118] [2020-10-21 22:02:32,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:02:32,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:02:32,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:02:32,581 INFO L87 Difference]: Start difference. First operand 208 states and 528 transitions. Second operand 6 states. [2020-10-21 22:02:32,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,649 INFO L93 Difference]: Finished difference Result 201 states and 486 transitions. [2020-10-21 22:02:32,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:02:32,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-21 22:02:32,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,651 INFO L225 Difference]: With dead ends: 201 [2020-10-21 22:02:32,651 INFO L226 Difference]: Without dead ends: 163 [2020-10-21 22:02:32,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:02:32,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-21 22:02:32,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-10-21 22:02:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-21 22:02:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 394 transitions. [2020-10-21 22:02:32,657 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 394 transitions. Word has length 16 [2020-10-21 22:02:32,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,657 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 394 transitions. [2020-10-21 22:02:32,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:02:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 394 transitions. [2020-10-21 22:02:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:02:32,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:02:32,659 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,659 INFO L82 PathProgramCache]: Analyzing trace with hash -999056211, now seen corresponding path program 1 times [2020-10-21 22:02:32,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632609204] [2020-10-21 22:02:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632609204] [2020-10-21 22:02:32,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:02:32,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804751873] [2020-10-21 22:02:32,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:32,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:32,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:32,695 INFO L87 Difference]: Start difference. First operand 163 states and 394 transitions. Second operand 4 states. [2020-10-21 22:02:32,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,718 INFO L93 Difference]: Finished difference Result 263 states and 604 transitions. [2020-10-21 22:02:32,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:02:32,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-21 22:02:32,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,719 INFO L225 Difference]: With dead ends: 263 [2020-10-21 22:02:32,719 INFO L226 Difference]: Without dead ends: 127 [2020-10-21 22:02:32,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:32,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-21 22:02:32,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2020-10-21 22:02:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-21 22:02:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-10-21 22:02:32,724 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 18 [2020-10-21 22:02:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,725 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-10-21 22:02:32,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-10-21 22:02:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:02:32,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:02:32,726 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,727 INFO L82 PathProgramCache]: Analyzing trace with hash 833653032, now seen corresponding path program 1 times [2020-10-21 22:02:32,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621089828] [2020-10-21 22:02:32,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621089828] [2020-10-21 22:02:32,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:02:32,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429941964] [2020-10-21 22:02:32,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:02:32,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:02:32,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:02:32,768 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 4 states. [2020-10-21 22:02:32,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,785 INFO L93 Difference]: Finished difference Result 142 states and 293 transitions. [2020-10-21 22:02:32,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:02:32,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-21 22:02:32,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,786 INFO L225 Difference]: With dead ends: 142 [2020-10-21 22:02:32,787 INFO L226 Difference]: Without dead ends: 87 [2020-10-21 22:02:32,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:02:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-21 22:02:32,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2020-10-21 22:02:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-21 22:02:32,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 160 transitions. [2020-10-21 22:02:32,790 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 160 transitions. Word has length 18 [2020-10-21 22:02:32,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,791 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 160 transitions. [2020-10-21 22:02:32,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:02:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 160 transitions. [2020-10-21 22:02:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:02:32,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:02:32,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:02:32,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:02:32,792 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:02:32,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:02:32,792 INFO L82 PathProgramCache]: Analyzing trace with hash 721666079, now seen corresponding path program 2 times [2020-10-21 22:02:32,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:02:32,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001108993] [2020-10-21 22:02:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:02:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:02:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:02:32,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001108993] [2020-10-21 22:02:32,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:02:32,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:02:32,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991816144] [2020-10-21 22:02:32,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:02:32,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:02:32,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:02:32,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:02:32,858 INFO L87 Difference]: Start difference. First operand 86 states and 160 transitions. Second operand 7 states. [2020-10-21 22:02:32,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:02:32,902 INFO L93 Difference]: Finished difference Result 81 states and 154 transitions. [2020-10-21 22:02:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:02:32,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-21 22:02:32,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:02:32,903 INFO L225 Difference]: With dead ends: 81 [2020-10-21 22:02:32,903 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 22:02:32,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:02:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 22:02:32,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 22:02:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 22:02:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 22:02:32,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-21 22:02:32,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:02:32,905 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 22:02:32,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:02:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 22:02:32,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 22:02:32,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:02:32,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:02:32 BasicIcfg [2020-10-21 22:02:32,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:02:32,913 INFO L168 Benchmark]: Toolchain (without parser) took 5697.54 ms. Allocated memory was 138.4 MB in the beginning and 295.2 MB in the end (delta: 156.8 MB). Free memory was 99.9 MB in the beginning and 139.2 MB in the end (delta: -39.3 MB). Peak memory consumption was 117.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:32,914 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-21 22:02:32,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.08 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.0 MB in the beginning and 156.4 MB in the end (delta: -57.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:32,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.45 ms. Allocated memory is still 200.8 MB. Free memory was 156.4 MB in the beginning and 153.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:32,916 INFO L168 Benchmark]: Boogie Preprocessor took 30.09 ms. Allocated memory is still 200.8 MB. Free memory was 153.5 MB in the beginning and 152.5 MB in the end (delta: 970.2 kB). Peak memory consumption was 970.2 kB. Max. memory is 7.1 GB. [2020-10-21 22:02:32,917 INFO L168 Benchmark]: RCFGBuilder took 485.75 ms. Allocated memory is still 200.8 MB. Free memory was 152.5 MB in the beginning and 125.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:32,918 INFO L168 Benchmark]: TraceAbstraction took 4408.61 ms. Allocated memory was 200.8 MB in the beginning and 295.2 MB in the end (delta: 94.4 MB). Free memory was 125.9 MB in the beginning and 139.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:02:32,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.08 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.0 MB in the beginning and 156.4 MB in the end (delta: -57.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.45 ms. Allocated memory is still 200.8 MB. Free memory was 156.4 MB in the beginning and 153.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.09 ms. Allocated memory is still 200.8 MB. Free memory was 153.5 MB in the beginning and 152.5 MB in the end (delta: 970.2 kB). Peak memory consumption was 970.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 485.75 ms. Allocated memory is still 200.8 MB. Free memory was 152.5 MB in the beginning and 125.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4408.61 ms. Allocated memory was 200.8 MB in the beginning and 295.2 MB in the end (delta: 94.4 MB). Free memory was 125.9 MB in the beginning and 139.2 MB in the end (delta: -13.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1452 VarBasedMoverChecksPositive, 69 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 53 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 96 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 100 PlacesBefore, 38 PlacesAfterwards, 90 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 85 TotalNumberOfCompositions, 4371 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 221 SDtfs, 240 SDslu, 330 SDs, 0 SdLazy, 162 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 5745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...