/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:03:55,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:03:55,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:03:55,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:03:55,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:03:55,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:03:55,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:03:55,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:03:55,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:03:55,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:03:55,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:03:55,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:03:55,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:03:55,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:03:55,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:03:55,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:03:55,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:03:55,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:03:55,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:03:55,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:03:55,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:03:55,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:03:55,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:03:55,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:03:55,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:03:55,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:03:55,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:03:55,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:03:55,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:03:55,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:03:55,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:03:55,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:03:55,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:03:55,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:03:55,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:03:55,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:03:55,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:03:55,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:03:55,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:03:55,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:03:55,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:03:55,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:03:55,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:03:55,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:03:55,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:03:55,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:03:55,313 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:03:55,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:03:55,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:03:55,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:03:55,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:03:55,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:03:55,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:03:55,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:03:55,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:03:55,315 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:03:55,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:03:55,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:03:55,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:03:55,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:03:55,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:03:55,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:03:55,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:03:55,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:03:55,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:03:55,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:03:55,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:03:55,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:03:55,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:03:55,318 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:03:55,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:03:55,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:03:55,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:03:55,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:03:55,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:03:55,677 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:03:55,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2020-10-21 23:03:55,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97521a0b4/f2e14a4a4b2745e582e64bc512ddda6c/FLAG376f54b89 [2020-10-21 23:03:56,342 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:03:56,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2020-10-21 23:03:56,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97521a0b4/f2e14a4a4b2745e582e64bc512ddda6c/FLAG376f54b89 [2020-10-21 23:03:56,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97521a0b4/f2e14a4a4b2745e582e64bc512ddda6c [2020-10-21 23:03:56,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:03:56,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:03:56,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:03:56,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:03:56,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:03:56,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1177a48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:56, skipping insertion in model container [2020-10-21 23:03:56,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:03:56" (1/1) ... [2020-10-21 23:03:56,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:03:56,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:03:57,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:03:57,316 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:03:57,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:03:57,475 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:03:57,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57 WrapperNode [2020-10-21 23:03:57,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:03:57,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:03:57,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:03:57,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:03:57,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:03:57,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:03:57,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:03:57,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:03:57,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (1/1) ... [2020-10-21 23:03:57,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:03:57,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:03:57,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:03:57,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:03:57,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (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 23:03:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:03:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:03:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:03:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:03:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:03:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:03:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:03:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:03:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:03:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:03:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:03:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:03:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:03:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:03:57,675 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 23:03:58,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:03:58,083 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 23:03:58,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:03:58 BoogieIcfgContainer [2020-10-21 23:03:58,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:03:58,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:03:58,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:03:58,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:03:58,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:03:56" (1/3) ... [2020-10-21 23:03:58,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2a4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:03:58, skipping insertion in model container [2020-10-21 23:03:58,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:03:57" (2/3) ... [2020-10-21 23:03:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2a4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:03:58, skipping insertion in model container [2020-10-21 23:03:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:03:58" (3/3) ... [2020-10-21 23:03:58,095 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_pso.opt.i [2020-10-21 23:03:58,108 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:03:58,108 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:03:58,116 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:03:58,117 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:03:58,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,149 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,149 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,151 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,152 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,153 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,153 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,166 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,167 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,170 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,170 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:03:58,173 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:03:58,185 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 23:03:58,203 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:03:58,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:03:58,204 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:03:58,204 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:03:58,204 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:03:58,204 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:03:58,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:03:58,205 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:03:58,218 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:03:58,219 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 79 transitions, 173 flow [2020-10-21 23:03:58,222 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 79 transitions, 173 flow [2020-10-21 23:03:58,224 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 79 transitions, 173 flow [2020-10-21 23:03:58,276 INFO L129 PetriNetUnfolder]: 3/76 cut-off events. [2020-10-21 23:03:58,277 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:03:58,282 INFO L80 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 76 events. 3/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-21 23:03:58,286 INFO L116 LiptonReduction]: Number of co-enabled transitions 1440 [2020-10-21 23:03:59,960 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-21 23:04:00,078 INFO L131 LiptonReduction]: Checked pairs total: 2779 [2020-10-21 23:04:00,079 INFO L133 LiptonReduction]: Total number of compositions: 70 [2020-10-21 23:04:00,086 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-21 23:04:00,126 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-21 23:04:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-21 23:04:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-21 23:04:00,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:00,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:00,139 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:00,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:00,146 INFO L82 PathProgramCache]: Analyzing trace with hash -460323677, now seen corresponding path program 1 times [2020-10-21 23:04:00,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:00,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310551290] [2020-10-21 23:04:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:00,334 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 23:04:00,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310551290] [2020-10-21 23:04:00,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:00,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:04:00,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511594521] [2020-10-21 23:04:00,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 23:04:00,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:00,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 23:04:00,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:04:00,366 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-21 23:04:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:00,418 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-21 23:04:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 23:04:00,422 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-21 23:04:00,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:00,453 INFO L225 Difference]: With dead ends: 362 [2020-10-21 23:04:00,453 INFO L226 Difference]: Without dead ends: 298 [2020-10-21 23:04:00,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:04:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-21 23:04:00,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-21 23:04:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-21 23:04:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-21 23:04:00,553 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-21 23:04:00,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:00,555 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-21 23:04:00,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 23:04:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-21 23:04:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:04:00,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:00,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:00,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:04:00,558 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:00,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:00,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1385173359, now seen corresponding path program 1 times [2020-10-21 23:04:00,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:00,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958837292] [2020-10-21 23:04:00,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:00,717 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 23:04:00,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958837292] [2020-10-21 23:04:00,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:00,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:04:00,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550187213] [2020-10-21 23:04:00,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:04:00,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:00,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:04:00,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:04:00,721 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-21 23:04:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:00,766 INFO L93 Difference]: Finished difference Result 330 states and 904 transitions. [2020-10-21 23:04:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:00,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-21 23:04:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:00,769 INFO L225 Difference]: With dead ends: 330 [2020-10-21 23:04:00,770 INFO L226 Difference]: Without dead ends: 266 [2020-10-21 23:04:00,771 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 23:04:00,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-21 23:04:00,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-21 23:04:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-21 23:04:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 744 transitions. [2020-10-21 23:04:00,791 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 744 transitions. Word has length 9 [2020-10-21 23:04:00,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:00,792 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 744 transitions. [2020-10-21 23:04:00,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:04:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 744 transitions. [2020-10-21 23:04:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:04:00,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:00,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:00,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:04:00,795 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:00,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:00,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1113237188, now seen corresponding path program 1 times [2020-10-21 23:04:00,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:00,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783975603] [2020-10-21 23:04:00,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:00,964 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 23:04:00,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783975603] [2020-10-21 23:04:00,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:00,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:04:00,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441034922] [2020-10-21 23:04:00,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:04:00,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:00,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:04:00,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:04:00,967 INFO L87 Difference]: Start difference. First operand 266 states and 744 transitions. Second operand 6 states. [2020-10-21 23:04:01,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:01,109 INFO L93 Difference]: Finished difference Result 360 states and 938 transitions. [2020-10-21 23:04:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 23:04:01,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-10-21 23:04:01,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:01,114 INFO L225 Difference]: With dead ends: 360 [2020-10-21 23:04:01,114 INFO L226 Difference]: Without dead ends: 174 [2020-10-21 23:04:01,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:04:01,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-21 23:04:01,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-10-21 23:04:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-21 23:04:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 430 transitions. [2020-10-21 23:04:01,142 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 430 transitions. Word has length 11 [2020-10-21 23:04:01,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:01,142 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 430 transitions. [2020-10-21 23:04:01,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:04:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 430 transitions. [2020-10-21 23:04:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:04:01,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:01,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:01,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:04:01,146 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:01,147 INFO L82 PathProgramCache]: Analyzing trace with hash -379618094, now seen corresponding path program 1 times [2020-10-21 23:04:01,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:01,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391268610] [2020-10-21 23:04:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:01,235 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 23:04:01,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391268610] [2020-10-21 23:04:01,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:01,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:01,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945843591] [2020-10-21 23:04:01,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:04:01,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:01,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:04:01,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:04:01,238 INFO L87 Difference]: Start difference. First operand 174 states and 430 transitions. Second operand 4 states. [2020-10-21 23:04:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:01,269 INFO L93 Difference]: Finished difference Result 218 states and 508 transitions. [2020-10-21 23:04:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:01,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 23:04:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:01,271 INFO L225 Difference]: With dead ends: 218 [2020-10-21 23:04:01,272 INFO L226 Difference]: Without dead ends: 166 [2020-10-21 23:04:01,272 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 23:04:01,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-21 23:04:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 150. [2020-10-21 23:04:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-21 23:04:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 350 transitions. [2020-10-21 23:04:01,280 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 350 transitions. Word has length 13 [2020-10-21 23:04:01,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:01,280 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 350 transitions. [2020-10-21 23:04:01,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:04:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 350 transitions. [2020-10-21 23:04:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:04:01,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:01,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:01,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:04:01,283 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:01,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:01,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1489790939, now seen corresponding path program 1 times [2020-10-21 23:04:01,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:01,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443264016] [2020-10-21 23:04:01,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:01,349 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 23:04:01,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443264016] [2020-10-21 23:04:01,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:01,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:01,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209214961] [2020-10-21 23:04:01,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:01,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:01,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:01,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:01,352 INFO L87 Difference]: Start difference. First operand 150 states and 350 transitions. Second operand 5 states. [2020-10-21 23:04:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:01,391 INFO L93 Difference]: Finished difference Result 172 states and 394 transitions. [2020-10-21 23:04:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:01,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 23:04:01,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:01,393 INFO L225 Difference]: With dead ends: 172 [2020-10-21 23:04:01,393 INFO L226 Difference]: Without dead ends: 90 [2020-10-21 23:04:01,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:04:01,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-21 23:04:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-21 23:04:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-21 23:04:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 194 transitions. [2020-10-21 23:04:01,398 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 194 transitions. Word has length 13 [2020-10-21 23:04:01,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:01,398 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 194 transitions. [2020-10-21 23:04:01,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 194 transitions. [2020-10-21 23:04:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:04:01,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:04:01,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:04:01,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:04:01,400 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:04:01,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:04:01,401 INFO L82 PathProgramCache]: Analyzing trace with hash 255451346, now seen corresponding path program 1 times [2020-10-21 23:04:01,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:04:01,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723313965] [2020-10-21 23:04:01,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:04:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:04:01,453 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 23:04:01,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723313965] [2020-10-21 23:04:01,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:04:01,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:04:01,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377397] [2020-10-21 23:04:01,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:04:01,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:04:01,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:04:01,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:04:01,456 INFO L87 Difference]: Start difference. First operand 90 states and 194 transitions. Second operand 5 states. [2020-10-21 23:04:01,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:04:01,479 INFO L93 Difference]: Finished difference Result 82 states and 174 transitions. [2020-10-21 23:04:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:04:01,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 23:04:01,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:04:01,480 INFO L225 Difference]: With dead ends: 82 [2020-10-21 23:04:01,480 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 23:04:01,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:04:01,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 23:04:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 23:04:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 23:04:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 23:04:01,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-21 23:04:01,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:04:01,482 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 23:04:01,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:04:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 23:04:01,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 23:04:01,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:04:01,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:04:01 BasicIcfg [2020-10-21 23:04:01,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:04:01,488 INFO L168 Benchmark]: Toolchain (without parser) took 4799.83 ms. Allocated memory was 137.4 MB in the beginning and 252.2 MB in the end (delta: 114.8 MB). Free memory was 99.1 MB in the beginning and 165.4 MB in the end (delta: -66.3 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:01,489 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-21 23:04:01,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.16 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.2 MB in the beginning and 154.2 MB in the end (delta: -55.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:01,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 200.3 MB. Free memory was 154.2 MB in the beginning and 151.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:01,492 INFO L168 Benchmark]: Boogie Preprocessor took 61.33 ms. Allocated memory is still 200.3 MB. Free memory was 151.9 MB in the beginning and 150.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:01,493 INFO L168 Benchmark]: RCFGBuilder took 491.25 ms. Allocated memory is still 200.3 MB. Free memory was 150.5 MB in the beginning and 126.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:01,494 INFO L168 Benchmark]: TraceAbstraction took 3399.70 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 126.0 MB in the beginning and 165.4 MB in the end (delta: -39.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:04:01,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.16 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.2 MB in the beginning and 154.2 MB in the end (delta: -55.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 200.3 MB. Free memory was 154.2 MB in the beginning and 151.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.33 ms. Allocated memory is still 200.3 MB. Free memory was 151.9 MB in the beginning and 150.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 491.25 ms. Allocated memory is still 200.3 MB. Free memory was 150.5 MB in the beginning and 126.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3399.70 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 126.0 MB in the beginning and 165.4 MB in the end (delta: -39.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 761 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 42 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.8s, 86 PlacesBefore, 32 PlacesAfterwards, 79 TransitionsBefore, 23 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 70 TotalNumberOfCompositions, 2779 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 4 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 128 SDtfs, 147 SDslu, 185 SDs, 0 SdLazy, 104 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 2187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...