/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:56:00,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:56:00,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:56:00,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:56:00,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:56:00,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:56:00,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:56:00,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:56:00,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:56:00,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:56:00,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:56:00,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:56:00,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:56:00,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:56:00,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:56:00,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:56:00,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:56:00,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:56:00,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:56:00,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:56:00,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:56:00,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:56:00,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:56:00,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:56:00,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 00:56:00,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 00:56:00,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 00:56:00,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 00:56:00,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 00:56:00,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 00:56:00,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:56:00,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:56:00,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:56:00,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:56:00,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:56:00,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:56:00,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:56:00,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:56:00,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:56:00,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:56:00,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:56:00,178 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-McrAutomaton-WP.epf [2020-10-06 00:56:00,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:56:00,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:56:00,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:56:00,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:56:00,224 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:56:00,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:56:00,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:56:00,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:56:00,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:56:00,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:56:00,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:56:00,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:56:00,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:56:00,227 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:56:00,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:56:00,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:56:00,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:56:00,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:56:00,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:56:00,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:56:00,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:56:00,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:56:00,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:56:00,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:56:00,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:56:00,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:56:00,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:56:00,230 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:56:00,231 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:56:00,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:56:00,231 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:56:00,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:56:00,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:56:00,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:56:00,579 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:56:00,579 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:56:00,580 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc.i [2020-10-06 00:56:00,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f5848a0/473f166b4fcd454da4f815730d7337b3/FLAGd1628cb3a [2020-10-06 00:56:01,143 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:56:01,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc.i [2020-10-06 00:56:01,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f5848a0/473f166b4fcd454da4f815730d7337b3/FLAGd1628cb3a [2020-10-06 00:56:01,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f5848a0/473f166b4fcd454da4f815730d7337b3 [2020-10-06 00:56:01,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:56:01,512 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:56:01,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:56:01,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:56:01,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:56:01,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:56:01" (1/1) ... [2020-10-06 00:56:01,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff41f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:01, skipping insertion in model container [2020-10-06 00:56:01,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:56:01" (1/1) ... [2020-10-06 00:56:01,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:56:01,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:56:02,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:56:02,289 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:56:02,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:56:02,455 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:56:02,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02 WrapperNode [2020-10-06 00:56:02,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:56:02,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:56:02,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:56:02,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:56:02,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:56:02,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:56:02,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:56:02,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:56:02,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (1/1) ... [2020-10-06 00:56:02,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:56:02,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:56:02,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:56:02,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:56:02,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (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 [2020-10-06 00:56:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:56:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:56:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:56:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:56:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:56:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:56:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:56:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:56:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 00:56:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 00:56:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:56:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:56:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:56:02,672 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:56:05,417 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:56:05,417 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:56:05,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:56:05 BoogieIcfgContainer [2020-10-06 00:56:05,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:56:05,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:56:05,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:56:05,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:56:05,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:56:01" (1/3) ... [2020-10-06 00:56:05,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ce5441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:56:05, skipping insertion in model container [2020-10-06 00:56:05,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:56:02" (2/3) ... [2020-10-06 00:56:05,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ce5441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:56:05, skipping insertion in model container [2020-10-06 00:56:05,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:56:05" (3/3) ... [2020-10-06 00:56:05,428 INFO L109 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc.i [2020-10-06 00:56:05,439 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:56:05,439 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:56:05,448 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:56:05,449 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:56:05,482 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,482 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,483 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,483 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,486 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,486 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,486 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,486 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,497 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,497 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,503 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,505 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,505 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,505 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,512 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,515 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,520 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,521 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:56:05,537 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:56:05,558 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:56:05,558 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:56:05,559 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:56:05,559 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:56:05,559 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:56:05,559 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:56:05,559 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:56:05,559 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:56:05,575 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 201 flow [2020-10-06 00:56:05,577 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 201 flow [2020-10-06 00:56:05,625 INFO L129 PetriNetUnfolder]: 2/90 cut-off events. [2020-10-06 00:56:05,625 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:56:05,630 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 90 events. 2/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-06 00:56:05,634 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 201 flow [2020-10-06 00:56:05,656 INFO L129 PetriNetUnfolder]: 2/90 cut-off events. [2020-10-06 00:56:05,656 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:56:05,657 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 90 events. 2/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-06 00:56:05,659 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1646 [2020-10-06 00:56:05,661 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:56:07,024 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2020-10-06 00:56:07,067 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-06 00:56:07,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:56:07,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-06 00:56:07,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:56:08,192 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2020-10-06 00:56:08,704 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-06 00:56:09,399 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-06 00:56:10,236 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-06 00:56:10,343 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-06 00:56:10,351 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4547 [2020-10-06 00:56:10,351 INFO L214 etLargeBlockEncoding]: Total number of compositions: 74 [2020-10-06 00:56:10,355 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2020-10-06 00:56:10,446 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1062 states. [2020-10-06 00:56:10,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states. [2020-10-06 00:56:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:56:10,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:56:10,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:56:10,456 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:56:10,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:56:10,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1310741810, now seen corresponding path program 1 times [2020-10-06 00:56:10,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:56:10,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051199623] [2020-10-06 00:56:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:56:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:56:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:56:10,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051199623] [2020-10-06 00:56:10,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:56:10,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:56:10,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1398447606] [2020-10-06 00:56:10,716 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:56:10,718 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:56:10,732 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:56:10,732 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:56:10,736 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:56:10,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:56:10,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:56:10,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:56:10,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:56:10,755 INFO L87 Difference]: Start difference. First operand 1062 states. Second operand 3 states. [2020-10-06 00:56:10,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:56:10,864 INFO L93 Difference]: Finished difference Result 912 states and 2900 transitions. [2020-10-06 00:56:10,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:56:10,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:56:10,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:56:10,913 INFO L225 Difference]: With dead ends: 912 [2020-10-06 00:56:10,914 INFO L226 Difference]: Without dead ends: 672 [2020-10-06 00:56:10,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:56:10,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-10-06 00:56:11,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2020-10-06 00:56:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-06 00:56:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 2088 transitions. [2020-10-06 00:56:11,029 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 2088 transitions. Word has length 5 [2020-10-06 00:56:11,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:56:11,030 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 2088 transitions. [2020-10-06 00:56:11,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:56:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 2088 transitions. [2020-10-06 00:56:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 00:56:11,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:56:11,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:56:11,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:56:11,035 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:56:11,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:56:11,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1512532325, now seen corresponding path program 1 times [2020-10-06 00:56:11,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:56:11,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529263301] [2020-10-06 00:56:11,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:56:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:56:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:56:11,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529263301] [2020-10-06 00:56:11,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:56:11,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:56:11,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1196058731] [2020-10-06 00:56:11,240 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:56:11,244 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:56:11,246 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 00:56:11,247 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:56:11,248 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:56:11,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:56:11,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:56:11,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:56:11,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:56:11,258 INFO L87 Difference]: Start difference. First operand 672 states and 2088 transitions. Second operand 4 states. [2020-10-06 00:56:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:56:11,352 INFO L93 Difference]: Finished difference Result 712 states and 2130 transitions. [2020-10-06 00:56:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:56:11,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-06 00:56:11,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:56:11,358 INFO L225 Difference]: With dead ends: 712 [2020-10-06 00:56:11,358 INFO L226 Difference]: Without dead ends: 592 [2020-10-06 00:56:11,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:56:11,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-06 00:56:11,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2020-10-06 00:56:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-06 00:56:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1804 transitions. [2020-10-06 00:56:11,390 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1804 transitions. Word has length 10 [2020-10-06 00:56:11,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:56:11,391 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 1804 transitions. [2020-10-06 00:56:11,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:56:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1804 transitions. [2020-10-06 00:56:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:56:11,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:56:11,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:56:11,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:56:11,394 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:56:11,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:56:11,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1029890392, now seen corresponding path program 1 times [2020-10-06 00:56:11,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:56:11,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198124225] [2020-10-06 00:56:11,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:56:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:56:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:56:11,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198124225] [2020-10-06 00:56:11,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:56:11,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:56:11,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [341122952] [2020-10-06 00:56:11,562 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:56:11,565 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:56:11,569 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2020-10-06 00:56:11,570 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:56:11,667 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:56:11,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:56:11,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:56:11,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:56:11,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:56:11,669 INFO L87 Difference]: Start difference. First operand 592 states and 1804 transitions. Second operand 4 states. [2020-10-06 00:56:11,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:56:11,696 INFO L93 Difference]: Finished difference Result 640 states and 1892 transitions. [2020-10-06 00:56:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:56:11,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-06 00:56:11,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:56:11,702 INFO L225 Difference]: With dead ends: 640 [2020-10-06 00:56:11,702 INFO L226 Difference]: Without dead ends: 560 [2020-10-06 00:56:11,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:56:11,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-06 00:56:11,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-06 00:56:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-06 00:56:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1692 transitions. [2020-10-06 00:56:11,723 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1692 transitions. Word has length 12 [2020-10-06 00:56:11,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:56:11,723 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 1692 transitions. [2020-10-06 00:56:11,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:56:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1692 transitions. [2020-10-06 00:56:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 00:56:11,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:56:11,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:56:11,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:56:11,727 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:56:11,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:56:11,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1861818558, now seen corresponding path program 1 times [2020-10-06 00:56:11,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:56:11,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425372456] [2020-10-06 00:56:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:56:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:56:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:56:11,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425372456] [2020-10-06 00:56:11,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:56:11,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:56:11,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [892505174] [2020-10-06 00:56:11,847 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:56:11,850 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:56:11,859 INFO L258 McrAutomatonBuilder]: Finished intersection with 34 states and 59 transitions. [2020-10-06 00:56:11,859 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:56:12,081 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:56:12,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:56:12,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:56:12,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:56:12,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:56:12,083 INFO L87 Difference]: Start difference. First operand 560 states and 1692 transitions. Second operand 5 states. [2020-10-06 00:56:12,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:56:12,141 INFO L93 Difference]: Finished difference Result 808 states and 2418 transitions. [2020-10-06 00:56:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:56:12,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-06 00:56:12,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:56:12,145 INFO L225 Difference]: With dead ends: 808 [2020-10-06 00:56:12,145 INFO L226 Difference]: Without dead ends: 400 [2020-10-06 00:56:12,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:56:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-06 00:56:12,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2020-10-06 00:56:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-10-06 00:56:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 1176 transitions. [2020-10-06 00:56:12,161 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 1176 transitions. Word has length 13 [2020-10-06 00:56:12,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:56:12,199 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 1176 transitions. [2020-10-06 00:56:12,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:56:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 1176 transitions. [2020-10-06 00:56:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 00:56:12,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:56:12,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:56:12,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:56:12,203 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:56:12,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:56:12,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1882294375, now seen corresponding path program 1 times [2020-10-06 00:56:12,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:56:12,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994106044] [2020-10-06 00:56:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:56:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:56:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:56:12,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994106044] [2020-10-06 00:56:12,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:56:12,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:56:12,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [334511212] [2020-10-06 00:56:12,347 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:56:12,350 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:56:12,364 INFO L258 McrAutomatonBuilder]: Finished intersection with 33 states and 54 transitions. [2020-10-06 00:56:12,365 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:56:12,389 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,404 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,448 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,458 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,497 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,539 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,547 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,568 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:56:12,580 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:56:12,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:56:12,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:56:12,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:56:12,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:56:12,581 INFO L87 Difference]: Start difference. First operand 400 states and 1176 transitions. Second operand 4 states. [2020-10-06 00:56:12,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:56:12,609 INFO L93 Difference]: Finished difference Result 208 states and 558 transitions. [2020-10-06 00:56:12,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:56:12,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-06 00:56:12,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:56:12,610 INFO L225 Difference]: With dead ends: 208 [2020-10-06 00:56:12,611 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:56:12,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:56:12,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:56:12,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:56:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:56:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:56:12,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-06 00:56:12,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:56:12,612 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:56:12,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:56:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:56:12,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:56:12,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:56:12,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:56:12 BasicIcfg [2020-10-06 00:56:12,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:56:12,619 INFO L168 Benchmark]: Toolchain (without parser) took 11106.91 ms. Allocated memory was 138.9 MB in the beginning and 342.9 MB in the end (delta: 203.9 MB). Free memory was 100.9 MB in the beginning and 225.0 MB in the end (delta: -124.1 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-10-06 00:56:12,620 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-06 00:56:12,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 940.34 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 100.5 MB in the beginning and 156.3 MB in the end (delta: -55.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:56:12,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.12 ms. Allocated memory is still 206.6 MB. Free memory was 156.3 MB in the beginning and 152.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:56:12,622 INFO L168 Benchmark]: Boogie Preprocessor took 46.59 ms. Allocated memory is still 206.6 MB. Free memory was 152.7 MB in the beginning and 149.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-06 00:56:12,623 INFO L168 Benchmark]: RCFGBuilder took 2842.93 ms. Allocated memory was 206.6 MB in the beginning and 245.4 MB in the end (delta: 38.8 MB). Free memory was 149.9 MB in the beginning and 181.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. [2020-10-06 00:56:12,624 INFO L168 Benchmark]: TraceAbstraction took 7195.43 ms. Allocated memory was 245.4 MB in the beginning and 342.9 MB in the end (delta: 97.5 MB). Free memory was 181.6 MB in the beginning and 225.0 MB in the end (delta: -43.4 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:56:12,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 940.34 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 100.5 MB in the beginning and 156.3 MB in the end (delta: -55.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.12 ms. Allocated memory is still 206.6 MB. Free memory was 156.3 MB in the beginning and 152.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.59 ms. Allocated memory is still 206.6 MB. Free memory was 152.7 MB in the beginning and 149.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2842.93 ms. Allocated memory was 206.6 MB in the beginning and 245.4 MB in the end (delta: 38.8 MB). Free memory was 149.9 MB in the beginning and 181.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7195.43 ms. Allocated memory was 245.4 MB in the beginning and 342.9 MB in the end (delta: 97.5 MB). Free memory was 181.6 MB in the beginning and 225.0 MB in the end (delta: -43.4 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.7s, 101 ProgramPointsBefore, 38 ProgramPointsAfterwards, 93 TransitionsBefore, 29 TransitionsAfterwards, 1646 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 799 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4547 CheckedPairsTotal, 74 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 92 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 131 SDtfs, 122 SDslu, 187 SDs, 0 SdLazy, 63 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1062occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...