/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/rfi003_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:06:00,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:06:00,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:06:00,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:06:00,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:06:00,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:06:00,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:06:00,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:06:00,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:06:00,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:06:00,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:06:00,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:06:00,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:06:00,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:06:00,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:06:00,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:06:00,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:06:00,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:06:00,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:06:00,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:06:00,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:06:00,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:06:00,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:06:00,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:06:00,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:06:00,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:06:00,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:06:00,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:06:00,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:06:00,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:06:00,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:06:00,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:06:00,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:06:00,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:06:00,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:06:00,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:06:00,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:06:00,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:06:00,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:06:00,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:06:00,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:06:00,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:06:00,315 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:06:00,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:06:00,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:06:00,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:06:00,317 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:06:00,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:06:00,317 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:06:00,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:06:00,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:06:00,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:06:00,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:06:00,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:06:00,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:06:00,319 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:06:00,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:06:00,319 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:06:00,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:06:00,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:06:00,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:06:00,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:06:00,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:06:00,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:06:00,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:06:00,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:06:00,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:06:00,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:06:00,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:06:00,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:06:00,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:06:00,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:06:00,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:06:00,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:06:00,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:06:00,639 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:06:00,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.oepc.i [2020-10-16 12:06:00,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ebd5b47a/ccc18c32ae9a4dfa99f49b050db37489/FLAG439730a9a [2020-10-16 12:06:01,194 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:06:01,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/rfi003_tso.oepc.i [2020-10-16 12:06:01,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ebd5b47a/ccc18c32ae9a4dfa99f49b050db37489/FLAG439730a9a [2020-10-16 12:06:01,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ebd5b47a/ccc18c32ae9a4dfa99f49b050db37489 [2020-10-16 12:06:01,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:06:01,526 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:06:01,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:06:01,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:06:01,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:06:01,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:06:01" (1/1) ... [2020-10-16 12:06:01,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647a3d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:01, skipping insertion in model container [2020-10-16 12:06:01,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:06:01" (1/1) ... [2020-10-16 12:06:01,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:06:01,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:06:02,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:06:02,141 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:06:02,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:06:02,324 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:06:02,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02 WrapperNode [2020-10-16 12:06:02,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:06:02,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:06:02,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:06:02,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:06:02,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:06:02,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:06:02,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:06:02,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:06:02,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... [2020-10-16 12:06:02,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:06:02,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:06:02,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:06:02,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:06:02,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:06:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:06:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:06:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:06:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:06:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:06:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:06:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:06:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:06:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:06:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:06:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:06:02,589 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:06:05,975 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:06:05,976 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:06:05,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:06:05 BoogieIcfgContainer [2020-10-16 12:06:05,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:06:05,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:06:05,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:06:05,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:06:05,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:06:01" (1/3) ... [2020-10-16 12:06:05,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ceed2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:06:05, skipping insertion in model container [2020-10-16 12:06:05,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:06:02" (2/3) ... [2020-10-16 12:06:05,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ceed2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:06:05, skipping insertion in model container [2020-10-16 12:06:05,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:06:05" (3/3) ... [2020-10-16 12:06:05,987 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_tso.oepc.i [2020-10-16 12:06:05,998 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:06:05,999 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:06:06,008 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:06:06,009 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:06:06,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,045 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,045 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,088 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,090 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:06:06,092 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:06:06,107 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:06:06,128 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:06:06,128 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:06:06,128 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:06:06,129 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:06:06,129 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:06:06,129 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:06:06,129 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:06:06,129 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:06:06,142 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:06:06,143 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 170 flow [2020-10-16 12:06:06,146 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 170 flow [2020-10-16 12:06:06,148 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2020-10-16 12:06:06,191 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-16 12:06:06,192 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:06:06,196 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2020-10-16 12:06:06,199 INFO L117 LiptonReduction]: Number of co-enabled transitions 1088 [2020-10-16 12:06:06,586 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:06:06,739 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 12:06:08,581 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2020-10-16 12:06:08,605 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 1] term [2020-10-16 12:06:08,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:06:08,607 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:06:08,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:06:09,415 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 124 [2020-10-16 12:06:10,003 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2020-10-16 12:06:10,266 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-16 12:06:11,515 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2020-10-16 12:06:11,833 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-16 12:06:12,318 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-16 12:06:12,609 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-16 12:06:12,961 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-16 12:06:13,063 INFO L132 LiptonReduction]: Checked pairs total: 3148 [2020-10-16 12:06:13,063 INFO L134 LiptonReduction]: Total number of compositions: 64 [2020-10-16 12:06:13,070 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 22 transitions, 54 flow [2020-10-16 12:06:13,095 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 254 states. [2020-10-16 12:06:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-16 12:06:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 12:06:13,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:13,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 12:06:13,105 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:13,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:13,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1713594894, now seen corresponding path program 1 times [2020-10-16 12:06:13,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:13,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983642186] [2020-10-16 12:06:13,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:13,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983642186] [2020-10-16 12:06:13,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:13,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:06:13,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753157389] [2020-10-16 12:06:13,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:06:13,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:13,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:06:13,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:13,367 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-10-16 12:06:13,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:13,462 INFO L93 Difference]: Finished difference Result 224 states and 547 transitions. [2020-10-16 12:06:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:06:13,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 12:06:13,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:13,478 INFO L225 Difference]: With dead ends: 224 [2020-10-16 12:06:13,478 INFO L226 Difference]: Without dead ends: 182 [2020-10-16 12:06:13,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-16 12:06:13,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-10-16 12:06:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-16 12:06:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 434 transitions. [2020-10-16 12:06:13,533 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 434 transitions. Word has length 6 [2020-10-16 12:06:13,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:13,534 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 434 transitions. [2020-10-16 12:06:13,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:06:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 434 transitions. [2020-10-16 12:06:13,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:06:13,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:13,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:13,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:06:13,535 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:13,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:13,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1581846260, now seen corresponding path program 1 times [2020-10-16 12:06:13,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:13,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178444509] [2020-10-16 12:06:13,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:13,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178444509] [2020-10-16 12:06:13,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:13,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:06:13,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568092973] [2020-10-16 12:06:13,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:06:13,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:13,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:06:13,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:13,621 INFO L87 Difference]: Start difference. First operand 182 states and 434 transitions. Second operand 3 states. [2020-10-16 12:06:13,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:13,642 INFO L93 Difference]: Finished difference Result 158 states and 366 transitions. [2020-10-16 12:06:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:06:13,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:06:13,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:13,645 INFO L225 Difference]: With dead ends: 158 [2020-10-16 12:06:13,645 INFO L226 Difference]: Without dead ends: 158 [2020-10-16 12:06:13,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:13,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-16 12:06:13,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-16 12:06:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-16 12:06:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 366 transitions. [2020-10-16 12:06:13,661 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 366 transitions. Word has length 7 [2020-10-16 12:06:13,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:13,662 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 366 transitions. [2020-10-16 12:06:13,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:06:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 366 transitions. [2020-10-16 12:06:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:06:13,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:13,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:13,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:06:13,664 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:13,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:13,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1532474859, now seen corresponding path program 1 times [2020-10-16 12:06:13,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:13,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659486869] [2020-10-16 12:06:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:14,272 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-10-16 12:06:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:14,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659486869] [2020-10-16 12:06:14,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:14,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:14,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550836582] [2020-10-16 12:06:14,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:14,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:14,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:14,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:14,480 INFO L87 Difference]: Start difference. First operand 158 states and 366 transitions. Second operand 8 states. [2020-10-16 12:06:14,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:14,722 INFO L93 Difference]: Finished difference Result 188 states and 430 transitions. [2020-10-16 12:06:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:06:14,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-16 12:06:14,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:14,726 INFO L225 Difference]: With dead ends: 188 [2020-10-16 12:06:14,726 INFO L226 Difference]: Without dead ends: 188 [2020-10-16 12:06:14,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:06:14,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-16 12:06:14,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2020-10-16 12:06:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-16 12:06:14,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 375 transitions. [2020-10-16 12:06:14,739 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 375 transitions. Word has length 11 [2020-10-16 12:06:14,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:14,739 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 375 transitions. [2020-10-16 12:06:14,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 375 transitions. [2020-10-16 12:06:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:06:14,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:14,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:14,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:06:14,741 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:14,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:14,742 INFO L82 PathProgramCache]: Analyzing trace with hash -248882349, now seen corresponding path program 2 times [2020-10-16 12:06:14,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:14,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831619962] [2020-10-16 12:06:14,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:14,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831619962] [2020-10-16 12:06:14,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:14,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:06:14,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483453313] [2020-10-16 12:06:14,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:06:14,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:14,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:06:14,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:06:14,952 INFO L87 Difference]: Start difference. First operand 163 states and 375 transitions. Second operand 7 states. [2020-10-16 12:06:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:15,066 INFO L93 Difference]: Finished difference Result 160 states and 367 transitions. [2020-10-16 12:06:15,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:06:15,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-16 12:06:15,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:15,072 INFO L225 Difference]: With dead ends: 160 [2020-10-16 12:06:15,072 INFO L226 Difference]: Without dead ends: 160 [2020-10-16 12:06:15,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-16 12:06:15,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 155. [2020-10-16 12:06:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-16 12:06:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 358 transitions. [2020-10-16 12:06:15,082 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 358 transitions. Word has length 11 [2020-10-16 12:06:15,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:15,082 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 358 transitions. [2020-10-16 12:06:15,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:06:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 358 transitions. [2020-10-16 12:06:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:06:15,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:15,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:15,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:06:15,085 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:15,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1553052933, now seen corresponding path program 1 times [2020-10-16 12:06:15,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:15,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616843002] [2020-10-16 12:06:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:15,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616843002] [2020-10-16 12:06:15,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:15,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:06:15,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777550730] [2020-10-16 12:06:15,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:06:15,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:15,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:06:15,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:06:15,186 INFO L87 Difference]: Start difference. First operand 155 states and 358 transitions. Second operand 4 states. [2020-10-16 12:06:15,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:15,212 INFO L93 Difference]: Finished difference Result 129 states and 255 transitions. [2020-10-16 12:06:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:06:15,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 12:06:15,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:15,214 INFO L225 Difference]: With dead ends: 129 [2020-10-16 12:06:15,214 INFO L226 Difference]: Without dead ends: 87 [2020-10-16 12:06:15,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:06:15,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-16 12:06:15,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-16 12:06:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-16 12:06:15,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 154 transitions. [2020-10-16 12:06:15,217 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 154 transitions. Word has length 12 [2020-10-16 12:06:15,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:15,217 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 154 transitions. [2020-10-16 12:06:15,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:06:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 154 transitions. [2020-10-16 12:06:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:15,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:15,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:15,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:06:15,219 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:15,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:15,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2127510351, now seen corresponding path program 1 times [2020-10-16 12:06:15,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:15,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83977807] [2020-10-16 12:06:15,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:15,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83977807] [2020-10-16 12:06:15,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:15,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:15,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698189314] [2020-10-16 12:06:15,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:15,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:15,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:15,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:15,749 INFO L87 Difference]: Start difference. First operand 87 states and 154 transitions. Second operand 8 states. [2020-10-16 12:06:16,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:16,274 INFO L93 Difference]: Finished difference Result 169 states and 292 transitions. [2020-10-16 12:06:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 12:06:16,275 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-16 12:06:16,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:16,276 INFO L225 Difference]: With dead ends: 169 [2020-10-16 12:06:16,276 INFO L226 Difference]: Without dead ends: 147 [2020-10-16 12:06:16,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-16 12:06:16,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-16 12:06:16,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 102. [2020-10-16 12:06:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-16 12:06:16,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 176 transitions. [2020-10-16 12:06:16,282 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 176 transitions. Word has length 14 [2020-10-16 12:06:16,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:16,282 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 176 transitions. [2020-10-16 12:06:16,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2020-10-16 12:06:16,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:16,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:16,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:16,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:06:16,284 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:16,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:16,284 INFO L82 PathProgramCache]: Analyzing trace with hash 389258409, now seen corresponding path program 2 times [2020-10-16 12:06:16,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:16,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528201902] [2020-10-16 12:06:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:16,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528201902] [2020-10-16 12:06:16,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:16,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:16,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496301259] [2020-10-16 12:06:16,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:06:16,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:16,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:06:16,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:06:16,429 INFO L87 Difference]: Start difference. First operand 102 states and 176 transitions. Second operand 5 states. [2020-10-16 12:06:16,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:16,463 INFO L93 Difference]: Finished difference Result 84 states and 138 transitions. [2020-10-16 12:06:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:06:16,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 12:06:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:16,465 INFO L225 Difference]: With dead ends: 84 [2020-10-16 12:06:16,465 INFO L226 Difference]: Without dead ends: 66 [2020-10-16 12:06:16,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-16 12:06:16,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-16 12:06:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-16 12:06:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 108 transitions. [2020-10-16 12:06:16,471 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 108 transitions. Word has length 14 [2020-10-16 12:06:16,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:16,472 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 108 transitions. [2020-10-16 12:06:16,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:06:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions. [2020-10-16 12:06:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:06:16,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:16,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:16,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:06:16,473 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:16,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:16,474 INFO L82 PathProgramCache]: Analyzing trace with hash 2144307679, now seen corresponding path program 1 times [2020-10-16 12:06:16,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:16,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806713562] [2020-10-16 12:06:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:17,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806713562] [2020-10-16 12:06:17,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:17,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 12:06:17,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610978207] [2020-10-16 12:06:17,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:06:17,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:17,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:06:17,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:06:17,153 INFO L87 Difference]: Start difference. First operand 66 states and 108 transitions. Second operand 11 states. [2020-10-16 12:06:17,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:17,617 INFO L93 Difference]: Finished difference Result 98 states and 158 transitions. [2020-10-16 12:06:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:06:17,618 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-16 12:06:17,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:17,619 INFO L225 Difference]: With dead ends: 98 [2020-10-16 12:06:17,619 INFO L226 Difference]: Without dead ends: 78 [2020-10-16 12:06:17,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:06:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-16 12:06:17,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 58. [2020-10-16 12:06:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-16 12:06:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 92 transitions. [2020-10-16 12:06:17,623 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 92 transitions. Word has length 18 [2020-10-16 12:06:17,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:17,623 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 92 transitions. [2020-10-16 12:06:17,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:06:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2020-10-16 12:06:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:06:17,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:17,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:17,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:06:17,625 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:17,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:17,627 INFO L82 PathProgramCache]: Analyzing trace with hash 965666845, now seen corresponding path program 2 times [2020-10-16 12:06:17,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:17,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141869957] [2020-10-16 12:06:17,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:18,077 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 42 [2020-10-16 12:06:18,243 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2020-10-16 12:06:18,417 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-10-16 12:06:18,593 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 42 [2020-10-16 12:06:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:18,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141869957] [2020-10-16 12:06:18,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:18,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 12:06:18,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526946669] [2020-10-16 12:06:18,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 12:06:18,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:18,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 12:06:18,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:06:18,962 INFO L87 Difference]: Start difference. First operand 58 states and 92 transitions. Second operand 14 states. [2020-10-16 12:06:19,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:19,555 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2020-10-16 12:06:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:06:19,556 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-16 12:06:19,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:19,557 INFO L225 Difference]: With dead ends: 78 [2020-10-16 12:06:19,557 INFO L226 Difference]: Without dead ends: 66 [2020-10-16 12:06:19,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-10-16 12:06:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-16 12:06:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-10-16 12:06:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-16 12:06:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 101 transitions. [2020-10-16 12:06:19,561 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 101 transitions. Word has length 18 [2020-10-16 12:06:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:19,562 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 101 transitions. [2020-10-16 12:06:19,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 12:06:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2020-10-16 12:06:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:06:19,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:19,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:19,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:06:19,600 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:19,601 INFO L82 PathProgramCache]: Analyzing trace with hash -529247883, now seen corresponding path program 3 times [2020-10-16 12:06:19,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:19,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190957770] [2020-10-16 12:06:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:20,044 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-10-16 12:06:20,185 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-10-16 12:06:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:20,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190957770] [2020-10-16 12:06:20,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:20,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:06:20,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801371861] [2020-10-16 12:06:20,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:06:20,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:20,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:06:20,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:06:20,358 INFO L87 Difference]: Start difference. First operand 63 states and 101 transitions. Second operand 9 states. [2020-10-16 12:06:20,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:20,740 INFO L93 Difference]: Finished difference Result 81 states and 127 transitions. [2020-10-16 12:06:20,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:06:20,741 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-16 12:06:20,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:20,741 INFO L225 Difference]: With dead ends: 81 [2020-10-16 12:06:20,741 INFO L226 Difference]: Without dead ends: 75 [2020-10-16 12:06:20,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:06:20,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-16 12:06:20,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 65. [2020-10-16 12:06:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-16 12:06:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 103 transitions. [2020-10-16 12:06:20,744 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 103 transitions. Word has length 18 [2020-10-16 12:06:20,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:20,745 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 103 transitions. [2020-10-16 12:06:20,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:06:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 103 transitions. [2020-10-16 12:06:20,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:06:20,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:20,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:20,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:06:20,746 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:20,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:20,746 INFO L82 PathProgramCache]: Analyzing trace with hash 546803037, now seen corresponding path program 4 times [2020-10-16 12:06:20,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:20,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089684897] [2020-10-16 12:06:20,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:21,300 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2020-10-16 12:06:21,703 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2020-10-16 12:06:21,922 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-10-16 12:06:22,118 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-10-16 12:06:22,246 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-10-16 12:06:22,376 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-10-16 12:06:22,623 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2020-10-16 12:06:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:22,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089684897] [2020-10-16 12:06:22,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:22,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 12:06:22,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003437698] [2020-10-16 12:06:22,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 12:06:22,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:22,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 12:06:22,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:06:22,631 INFO L87 Difference]: Start difference. First operand 65 states and 103 transitions. Second operand 14 states. [2020-10-16 12:06:22,960 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-16 12:06:23,231 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-10-16 12:06:23,484 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2020-10-16 12:06:23,698 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-10-16 12:06:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:24,110 INFO L93 Difference]: Finished difference Result 99 states and 154 transitions. [2020-10-16 12:06:24,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 12:06:24,111 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-10-16 12:06:24,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:24,112 INFO L225 Difference]: With dead ends: 99 [2020-10-16 12:06:24,112 INFO L226 Difference]: Without dead ends: 81 [2020-10-16 12:06:24,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-10-16 12:06:24,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-16 12:06:24,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 60. [2020-10-16 12:06:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-16 12:06:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 94 transitions. [2020-10-16 12:06:24,116 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 94 transitions. Word has length 18 [2020-10-16 12:06:24,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:24,116 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 94 transitions. [2020-10-16 12:06:24,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 12:06:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2020-10-16 12:06:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:06:24,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:24,117 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:24,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:06:24,118 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:24,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:24,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1434220575, now seen corresponding path program 5 times [2020-10-16 12:06:24,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:24,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021348055] [2020-10-16 12:06:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:24,597 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-10-16 12:06:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:24,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021348055] [2020-10-16 12:06:24,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:24,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 12:06:24,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125392514] [2020-10-16 12:06:24,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:06:24,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:24,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:06:24,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:06:24,712 INFO L87 Difference]: Start difference. First operand 60 states and 94 transitions. Second operand 11 states. [2020-10-16 12:06:24,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:24,985 INFO L93 Difference]: Finished difference Result 81 states and 122 transitions. [2020-10-16 12:06:24,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:24,986 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-16 12:06:24,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:24,987 INFO L225 Difference]: With dead ends: 81 [2020-10-16 12:06:24,987 INFO L226 Difference]: Without dead ends: 72 [2020-10-16 12:06:24,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:06:24,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-16 12:06:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-10-16 12:06:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-16 12:06:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 96 transitions. [2020-10-16 12:06:24,990 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 96 transitions. Word has length 18 [2020-10-16 12:06:24,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:24,990 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 96 transitions. [2020-10-16 12:06:24,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:06:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2020-10-16 12:06:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:06:24,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:24,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:24,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:06:24,992 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:24,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:24,992 INFO L82 PathProgramCache]: Analyzing trace with hash -228432113, now seen corresponding path program 6 times [2020-10-16 12:06:24,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:24,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563917949] [2020-10-16 12:06:24,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:25,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563917949] [2020-10-16 12:06:25,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:25,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 12:06:25,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108269002] [2020-10-16 12:06:25,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:06:25,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:25,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:06:25,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:06:25,597 INFO L87 Difference]: Start difference. First operand 62 states and 96 transitions. Second operand 11 states. [2020-10-16 12:06:25,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:25,876 INFO L93 Difference]: Finished difference Result 73 states and 109 transitions. [2020-10-16 12:06:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:25,877 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-16 12:06:25,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:25,878 INFO L225 Difference]: With dead ends: 73 [2020-10-16 12:06:25,878 INFO L226 Difference]: Without dead ends: 52 [2020-10-16 12:06:25,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-16 12:06:25,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-16 12:06:25,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2020-10-16 12:06:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-16 12:06:25,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 74 transitions. [2020-10-16 12:06:25,881 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 74 transitions. Word has length 18 [2020-10-16 12:06:25,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:25,881 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 74 transitions. [2020-10-16 12:06:25,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:06:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2020-10-16 12:06:25,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:06:25,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:25,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:25,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:06:25,882 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:25,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:25,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1459459765, now seen corresponding path program 7 times [2020-10-16 12:06:25,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:25,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219017064] [2020-10-16 12:06:25,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:25,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219017064] [2020-10-16 12:06:25,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:25,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:06:25,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899231539] [2020-10-16 12:06:25,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:06:25,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:25,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:06:25,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:06:25,969 INFO L87 Difference]: Start difference. First operand 50 states and 74 transitions. Second operand 5 states. [2020-10-16 12:06:25,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:25,989 INFO L93 Difference]: Finished difference Result 49 states and 73 transitions. [2020-10-16 12:06:25,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:06:25,989 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 12:06:25,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:25,990 INFO L225 Difference]: With dead ends: 49 [2020-10-16 12:06:25,990 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 12:06:25,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:25,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 12:06:25,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 12:06:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 12:06:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 12:06:25,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-16 12:06:25,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:25,993 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 12:06:25,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:06:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 12:06:25,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 12:06:25,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:06:25,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:06:25 BasicIcfg [2020-10-16 12:06:25,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:06:26,003 INFO L168 Benchmark]: Toolchain (without parser) took 24474.25 ms. Allocated memory was 140.0 MB in the beginning and 519.6 MB in the end (delta: 379.6 MB). Free memory was 101.3 MB in the beginning and 291.4 MB in the end (delta: -190.1 MB). Peak memory consumption was 189.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:26,003 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 12:06:26,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.83 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 153.5 MB in the end (delta: -52.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:26,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.50 ms. Allocated memory is still 202.9 MB. Free memory was 153.5 MB in the beginning and 149.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:26,010 INFO L168 Benchmark]: Boogie Preprocessor took 45.38 ms. Allocated memory is still 202.9 MB. Free memory was 149.4 MB in the beginning and 146.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:26,010 INFO L168 Benchmark]: RCFGBuilder took 3477.24 ms. Allocated memory was 202.9 MB in the beginning and 298.8 MB in the end (delta: 95.9 MB). Free memory was 146.8 MB in the beginning and 252.7 MB in the end (delta: -105.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:26,011 INFO L168 Benchmark]: TraceAbstraction took 20019.38 ms. Allocated memory was 298.8 MB in the beginning and 519.6 MB in the end (delta: 220.7 MB). Free memory was 252.7 MB in the beginning and 291.4 MB in the end (delta: -38.7 MB). Peak memory consumption was 182.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:26,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.83 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 153.5 MB in the end (delta: -52.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 127.50 ms. Allocated memory is still 202.9 MB. Free memory was 153.5 MB in the beginning and 149.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.38 ms. Allocated memory is still 202.9 MB. Free memory was 149.4 MB in the beginning and 146.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3477.24 ms. Allocated memory was 202.9 MB in the beginning and 298.8 MB in the end (delta: 95.9 MB). Free memory was 146.8 MB in the beginning and 252.7 MB in the end (delta: -105.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20019.38 ms. Allocated memory was 298.8 MB in the beginning and 519.6 MB in the end (delta: 220.7 MB). Free memory was 252.7 MB in the beginning and 291.4 MB in the end (delta: -38.7 MB). Peak memory consumption was 182.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 528 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 36 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.9s, 85 PlacesBefore, 29 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 64 TotalNumberOfCompositions, 3148 MoverChecksTotal - 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 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.8s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 225 SDtfs, 353 SDslu, 499 SDs, 0 SdLazy, 1132 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred 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, 14 MinimizatonAttempts, 141 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 59077 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...