/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:44:23,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:44:23,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:44:23,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:44:23,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:44:23,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:44:23,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:44:23,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:44:23,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:44:23,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:44:23,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:44:23,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:44:23,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:44:23,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:44:23,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:44:23,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:44:23,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:44:23,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:44:23,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:44:23,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:44:23,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:44:23,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:44:23,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:44:23,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:44:23,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 13:44:23,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:44:23,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:44:23,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:44:23,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:44:23,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:44:23,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:44:23,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:44:23,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:44:23,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:44:23,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:44:23,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:44:23,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 13:44:23,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:44:23,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:44:23,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:44:23,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:44:23,658 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:44:23,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:44:23,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:44:23,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:44:23,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:44:23,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:44:23,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:44:23,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:44:23,660 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:44:23,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:44:23,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:44:23,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:44:23,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:44:23,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:44:23,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:44:23,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:44:23,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:44:23,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:44:23,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:44:23,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:44:23,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:44:23,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:44:24,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:44:24,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:44:24,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:44:24,172 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:44:24,173 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:44:24,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i [2020-12-23 13:44:24,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c23201e83/da6a5eb15c314a3e89be8e6fef8b4186/FLAGb922907f3 [2020-12-23 13:44:24,964 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:44:24,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i [2020-12-23 13:44:24,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c23201e83/da6a5eb15c314a3e89be8e6fef8b4186/FLAGb922907f3 [2020-12-23 13:44:25,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c23201e83/da6a5eb15c314a3e89be8e6fef8b4186 [2020-12-23 13:44:25,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:44:25,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:44:25,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:44:25,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:44:25,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:44:25,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:44:25" (1/1) ... [2020-12-23 13:44:25,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f61394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:25, skipping insertion in model container [2020-12-23 13:44:25,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:44:25" (1/1) ... [2020-12-23 13:44:25,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:44:25,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 13:44:25,566 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i[950,963] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EBX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2020-12-23 13:44:25,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:44:25,867 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 13:44:25,885 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_tso.oepc.i[950,963] left hand side expression in assignment: lhs: VariableLHS[~y~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EAX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_p2_EBX~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__unbuffered_cnt~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main$tmp_guard1~0,GLOBAL] [2020-12-23 13:44:25,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:44:26,028 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:44:26,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26 WrapperNode [2020-12-23 13:44:26,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:44:26,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:44:26,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:44:26,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:44:26,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:44:26,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:44:26,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:44:26,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:44:26,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... [2020-12-23 13:44:26,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:44:26,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:44:26,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:44:26,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:44:26,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 13:44:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:44:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-23 13:44:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:44:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:44:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-23 13:44:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-23 13:44:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-23 13:44:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-23 13:44:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-12-23 13:44:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-12-23 13:44:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:44:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-23 13:44:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:44:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:44:26,262 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 13:44:26,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:44:26,717 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-23 13:44:26,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:44:26 BoogieIcfgContainer [2020-12-23 13:44:26,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:44:26,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:44:26,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:44:26,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:44:26,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:44:25" (1/3) ... [2020-12-23 13:44:26,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6ad88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:44:26, skipping insertion in model container [2020-12-23 13:44:26,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:44:26" (2/3) ... [2020-12-23 13:44:26,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6ad88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:44:26, skipping insertion in model container [2020-12-23 13:44:26,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:44:26" (3/3) ... [2020-12-23 13:44:26,746 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.oepc.i [2020-12-23 13:44:26,765 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:44:26,766 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:44:26,779 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 13:44:26,780 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:44:26,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,827 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,827 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,828 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,828 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,834 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,845 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:44:26,851 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:44:26,871 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-23 13:44:26,897 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:44:26,897 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:44:26,897 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:44:26,897 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:44:26,898 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:44:26,898 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:44:26,898 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:44:26,898 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:44:26,912 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:44:26,915 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 73 transitions, 161 flow [2020-12-23 13:44:26,918 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 73 transitions, 161 flow [2020-12-23 13:44:26,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 73 transitions, 161 flow [2020-12-23 13:44:26,970 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2020-12-23 13:44:26,970 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-23 13:44:26,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 70 events. 2/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-12-23 13:44:26,978 INFO L116 LiptonReduction]: Number of co-enabled transitions 1212 [2020-12-23 13:44:30,049 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-12-23 13:44:30,327 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-12-23 13:44:30,445 INFO L131 LiptonReduction]: Checked pairs total: 2136 [2020-12-23 13:44:30,445 INFO L133 LiptonReduction]: Total number of compositions: 62 [2020-12-23 13:44:30,452 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-12-23 13:44:30,478 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-12-23 13:44:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-12-23 13:44:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-23 13:44:30,487 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:30,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:30,489 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:30,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:30,496 INFO L82 PathProgramCache]: Analyzing trace with hash -301136603, now seen corresponding path program 1 times [2020-12-23 13:44:30,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:30,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436358670] [2020-12-23 13:44:30,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:30,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436358670] [2020-12-23 13:44:30,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:30,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:44:30,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509196858] [2020-12-23 13:44:30,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:44:30,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:30,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:44:30,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:44:30,877 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-12-23 13:44:30,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:30,932 INFO L93 Difference]: Finished difference Result 340 states and 895 transitions. [2020-12-23 13:44:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:44:30,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-23 13:44:30,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:30,956 INFO L225 Difference]: With dead ends: 340 [2020-12-23 13:44:30,957 INFO L226 Difference]: Without dead ends: 232 [2020-12-23 13:44:30,958 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 [2020-12-23 13:44:30,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-12-23 13:44:31,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2020-12-23 13:44:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-23 13:44:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 547 transitions. [2020-12-23 13:44:31,083 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 547 transitions. Word has length 8 [2020-12-23 13:44:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:31,085 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 547 transitions. [2020-12-23 13:44:31,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:44:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 547 transitions. [2020-12-23 13:44:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:44:31,088 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:31,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:31,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:44:31,090 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:31,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:31,095 INFO L82 PathProgramCache]: Analyzing trace with hash -761965005, now seen corresponding path program 1 times [2020-12-23 13:44:31,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:31,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635706510] [2020-12-23 13:44:31,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:31,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635706510] [2020-12-23 13:44:31,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:31,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:44:31,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707665678] [2020-12-23 13:44:31,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:44:31,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:31,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:44:31,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:44:31,193 INFO L87 Difference]: Start difference. First operand 210 states and 547 transitions. Second operand 3 states. [2020-12-23 13:44:31,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:31,204 INFO L93 Difference]: Finished difference Result 202 states and 521 transitions. [2020-12-23 13:44:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:44:31,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-23 13:44:31,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:31,208 INFO L225 Difference]: With dead ends: 202 [2020-12-23 13:44:31,208 INFO L226 Difference]: Without dead ends: 202 [2020-12-23 13:44:31,209 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 [2020-12-23 13:44:31,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-12-23 13:44:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 186. [2020-12-23 13:44:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-12-23 13:44:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 485 transitions. [2020-12-23 13:44:31,236 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 485 transitions. Word has length 9 [2020-12-23 13:44:31,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:31,236 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 485 transitions. [2020-12-23 13:44:31,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:44:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 485 transitions. [2020-12-23 13:44:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:44:31,241 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:31,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:31,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:44:31,242 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:31,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:31,243 INFO L82 PathProgramCache]: Analyzing trace with hash -745317602, now seen corresponding path program 1 times [2020-12-23 13:44:31,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:31,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552042864] [2020-12-23 13:44:31,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:31,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552042864] [2020-12-23 13:44:31,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:31,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:44:31,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609079633] [2020-12-23 13:44:31,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:44:31,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:31,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:44:31,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:44:31,407 INFO L87 Difference]: Start difference. First operand 186 states and 485 transitions. Second operand 4 states. [2020-12-23 13:44:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:31,441 INFO L93 Difference]: Finished difference Result 208 states and 519 transitions. [2020-12-23 13:44:31,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:44:31,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-12-23 13:44:31,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:31,446 INFO L225 Difference]: With dead ends: 208 [2020-12-23 13:44:31,446 INFO L226 Difference]: Without dead ends: 208 [2020-12-23 13:44:31,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:44:31,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-23 13:44:31,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 180. [2020-12-23 13:44:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-12-23 13:44:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 463 transitions. [2020-12-23 13:44:31,484 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 463 transitions. Word has length 9 [2020-12-23 13:44:31,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:31,484 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 463 transitions. [2020-12-23 13:44:31,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:44:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 463 transitions. [2020-12-23 13:44:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 13:44:31,487 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:31,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:31,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 13:44:31,488 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:31,489 INFO L82 PathProgramCache]: Analyzing trace with hash -2146096176, now seen corresponding path program 1 times [2020-12-23 13:44:31,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:31,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580866177] [2020-12-23 13:44:31,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:31,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580866177] [2020-12-23 13:44:31,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:31,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:44:31,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553291154] [2020-12-23 13:44:31,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:44:31,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:31,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:44:31,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:44:31,578 INFO L87 Difference]: Start difference. First operand 180 states and 463 transitions. Second operand 4 states. [2020-12-23 13:44:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:31,606 INFO L93 Difference]: Finished difference Result 209 states and 490 transitions. [2020-12-23 13:44:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:44:31,607 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-23 13:44:31,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:31,608 INFO L225 Difference]: With dead ends: 209 [2020-12-23 13:44:31,609 INFO L226 Difference]: Without dead ends: 151 [2020-12-23 13:44:31,609 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 [2020-12-23 13:44:31,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-12-23 13:44:31,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-12-23 13:44:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-23 13:44:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 348 transitions. [2020-12-23 13:44:31,617 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 348 transitions. Word has length 10 [2020-12-23 13:44:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:31,617 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 348 transitions. [2020-12-23 13:44:31,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:44:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 348 transitions. [2020-12-23 13:44:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 13:44:31,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:31,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:31,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 13:44:31,620 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:31,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:31,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1675797027, now seen corresponding path program 1 times [2020-12-23 13:44:31,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:31,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353857855] [2020-12-23 13:44:31,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:31,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353857855] [2020-12-23 13:44:31,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:31,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:44:31,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182149975] [2020-12-23 13:44:31,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:44:31,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:31,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:44:31,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:44:31,681 INFO L87 Difference]: Start difference. First operand 151 states and 348 transitions. Second operand 5 states. [2020-12-23 13:44:31,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:31,732 INFO L93 Difference]: Finished difference Result 148 states and 315 transitions. [2020-12-23 13:44:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:44:31,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-23 13:44:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:31,733 INFO L225 Difference]: With dead ends: 148 [2020-12-23 13:44:31,734 INFO L226 Difference]: Without dead ends: 111 [2020-12-23 13:44:31,735 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 [2020-12-23 13:44:31,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-23 13:44:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2020-12-23 13:44:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-23 13:44:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 225 transitions. [2020-12-23 13:44:31,741 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 225 transitions. Word has length 11 [2020-12-23 13:44:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:31,741 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 225 transitions. [2020-12-23 13:44:31,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:44:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 225 transitions. [2020-12-23 13:44:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:44:31,747 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:31,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:31,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 13:44:31,748 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:31,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:31,749 INFO L82 PathProgramCache]: Analyzing trace with hash 170235503, now seen corresponding path program 1 times [2020-12-23 13:44:31,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:31,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141124766] [2020-12-23 13:44:31,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:31,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141124766] [2020-12-23 13:44:31,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:31,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 13:44:31,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017259519] [2020-12-23 13:44:31,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:44:31,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:31,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:44:31,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:44:31,868 INFO L87 Difference]: Start difference. First operand 109 states and 225 transitions. Second operand 6 states. [2020-12-23 13:44:31,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:31,929 INFO L93 Difference]: Finished difference Result 103 states and 211 transitions. [2020-12-23 13:44:31,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:44:31,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-23 13:44:31,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:31,930 INFO L225 Difference]: With dead ends: 103 [2020-12-23 13:44:31,930 INFO L226 Difference]: Without dead ends: 84 [2020-12-23 13:44:31,931 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 [2020-12-23 13:44:31,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-23 13:44:31,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2020-12-23 13:44:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-23 13:44:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 156 transitions. [2020-12-23 13:44:31,935 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 156 transitions. Word has length 13 [2020-12-23 13:44:31,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:31,935 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 156 transitions. [2020-12-23 13:44:31,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:44:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 156 transitions. [2020-12-23 13:44:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 13:44:31,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:31,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:31,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 13:44:31,937 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:31,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:31,937 INFO L82 PathProgramCache]: Analyzing trace with hash -523743225, now seen corresponding path program 1 times [2020-12-23 13:44:31,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:31,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7478646] [2020-12-23 13:44:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:32,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7478646] [2020-12-23 13:44:32,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:32,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:44:32,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729197225] [2020-12-23 13:44:32,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:44:32,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:32,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:44:32,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:44:32,006 INFO L87 Difference]: Start difference. First operand 76 states and 156 transitions. Second operand 4 states. [2020-12-23 13:44:32,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:32,035 INFO L93 Difference]: Finished difference Result 105 states and 209 transitions. [2020-12-23 13:44:32,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:44:32,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-12-23 13:44:32,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:32,036 INFO L225 Difference]: With dead ends: 105 [2020-12-23 13:44:32,036 INFO L226 Difference]: Without dead ends: 48 [2020-12-23 13:44:32,037 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 [2020-12-23 13:44:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-23 13:44:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-12-23 13:44:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-23 13:44:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 72 transitions. [2020-12-23 13:44:32,040 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 72 transitions. Word has length 16 [2020-12-23 13:44:32,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:32,040 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 72 transitions. [2020-12-23 13:44:32,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:44:32,040 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2020-12-23 13:44:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 13:44:32,041 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:32,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:32,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 13:44:32,041 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:32,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:32,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1399962537, now seen corresponding path program 2 times [2020-12-23 13:44:32,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:32,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759726171] [2020-12-23 13:44:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:32,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759726171] [2020-12-23 13:44:32,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:32,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 13:44:32,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90735745] [2020-12-23 13:44:32,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:44:32,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:32,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:44:32,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:44:32,099 INFO L87 Difference]: Start difference. First operand 44 states and 72 transitions. Second operand 5 states. [2020-12-23 13:44:32,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:32,120 INFO L93 Difference]: Finished difference Result 59 states and 96 transitions. [2020-12-23 13:44:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:44:32,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-23 13:44:32,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:32,121 INFO L225 Difference]: With dead ends: 59 [2020-12-23 13:44:32,121 INFO L226 Difference]: Without dead ends: 34 [2020-12-23 13:44:32,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:44:32,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-23 13:44:32,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-23 13:44:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-23 13:44:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 52 transitions. [2020-12-23 13:44:32,144 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 52 transitions. Word has length 16 [2020-12-23 13:44:32,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:32,144 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 52 transitions. [2020-12-23 13:44:32,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:44:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2020-12-23 13:44:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 13:44:32,145 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:44:32,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:44:32,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 13:44:32,145 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:44:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:44:32,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2077613865, now seen corresponding path program 3 times [2020-12-23 13:44:32,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:44:32,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959137419] [2020-12-23 13:44:32,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:44:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:44:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:44:32,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959137419] [2020-12-23 13:44:32,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:44:32,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:44:32,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132313167] [2020-12-23 13:44:32,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:44:32,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:44:32,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:44:32,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:44:32,199 INFO L87 Difference]: Start difference. First operand 34 states and 52 transitions. Second operand 5 states. [2020-12-23 13:44:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:44:32,211 INFO L93 Difference]: Finished difference Result 33 states and 51 transitions. [2020-12-23 13:44:32,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:44:32,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-23 13:44:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:44:32,212 INFO L225 Difference]: With dead ends: 33 [2020-12-23 13:44:32,212 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 13:44:32,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:44:32,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 13:44:32,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 13:44:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 13:44:32,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 13:44:32,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-12-23 13:44:32,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:44:32,214 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 13:44:32,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:44:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 13:44:32,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 13:44:32,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 13:44:32,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:44:32 BasicIcfg [2020-12-23 13:44:32,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 13:44:32,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 13:44:32,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 13:44:32,219 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 13:44:32,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:44:26" (3/4) ... [2020-12-23 13:44:32,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 13:44:32,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-12-23 13:44:32,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-12-23 13:44:32,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-12-23 13:44:32,236 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-23 13:44:32,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 13:44:32,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 13:44:32,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 13:44:32,279 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/pthread-wmm/safe026_tso.oepc.i-witness.graphml [2020-12-23 13:44:32,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 13:44:32,281 INFO L168 Benchmark]: Toolchain (without parser) took 7017.13 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 124.1 MB in the beginning and 181.0 MB in the end (delta: -56.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 8.0 GB. [2020-12-23 13:44:32,281 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:44:32,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.19 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 130.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:44:32,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.83 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 129.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 13:44:32,283 INFO L168 Benchmark]: Boogie Preprocessor took 28.04 ms. Allocated memory is still 151.0 MB. Free memory was 129.1 MB in the beginning and 127.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:44:32,284 INFO L168 Benchmark]: RCFGBuilder took 568.53 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 105.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 13:44:32,285 INFO L168 Benchmark]: TraceAbstraction took 5489.87 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 104.9 MB in the beginning and 183.6 MB in the end (delta: -78.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:44:32,286 INFO L168 Benchmark]: Witness Printer took 60.51 ms. Allocated memory is still 218.1 MB. Free memory was 183.6 MB in the beginning and 181.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:44:32,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 765.19 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 130.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 93.83 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 129.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.04 ms. Allocated memory is still 151.0 MB. Free memory was 129.1 MB in the beginning and 127.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 568.53 ms. Allocated memory is still 151.0 MB. Free memory was 127.5 MB in the beginning and 105.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5489.87 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 104.9 MB in the beginning and 183.6 MB in the end (delta: -78.6 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 60.51 ms. Allocated memory is still 218.1 MB. Free memory was 183.6 MB in the beginning and 181.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 769 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 45 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.5s, 81 PlacesBefore, 30 PlacesAfterwards, 73 TransitionsBefore, 20 TransitionsAfterwards, 1212 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 62 TotalNumberOfCompositions, 2136 MoverChecksTotal - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 159 SDtfs, 150 SDslu, 199 SDs, 0 SdLazy, 128 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 80 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 5445 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...