/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-c7e336b [2020-10-05 23:36:33,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:36:33,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:36:33,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:36:33,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:36:33,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:36:33,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:36:33,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:36:33,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:36:33,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:36:33,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:36:33,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:36:33,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:36:33,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:36:33,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:36:33,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:36:33,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:36:33,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:36:33,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:36:33,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:36:33,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:36:33,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:36:33,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:36:33,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:36:33,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:36:33,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:36:33,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:36:33,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:36:33,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:36:33,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:36:33,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:36:33,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:36:33,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:36:33,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:36:33,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:36:33,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:36:33,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:36:33,476 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:36:33,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:36:33,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:36:33,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:36:33,479 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:36:33,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:36:33,479 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:36:33,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:36:33,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:36:33,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:36:33,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:36:33,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:36:33,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:36:33,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:36:33,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:36:33,482 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:36:33,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:36:33,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:36:33,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:36:33,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:36:33,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:36:33,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:36:33,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:36:33,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:36:33,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:36:33,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:36:33,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:36:33,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:36:33,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:36:33,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:36:33,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:36:33,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:36:33,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:36:33,817 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:36:33,818 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.oepc.i [2020-10-05 23:36:33,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4228906f8/bfcb47c60e3a4d2aa85fd9d6b600f316/FLAG1c38720f5 [2020-10-05 23:36:34,403 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:36:34,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.oepc.i [2020-10-05 23:36:34,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4228906f8/bfcb47c60e3a4d2aa85fd9d6b600f316/FLAG1c38720f5 [2020-10-05 23:36:34,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4228906f8/bfcb47c60e3a4d2aa85fd9d6b600f316 [2020-10-05 23:36:34,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:36:34,703 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:36:34,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:36:34,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:36:34,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:36:34,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:36:34" (1/1) ... [2020-10-05 23:36:34,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6995f0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:34, skipping insertion in model container [2020-10-05 23:36:34,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:36:34" (1/1) ... [2020-10-05 23:36:34,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:36:34,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:36:35,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:36:35,351 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:36:35,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:36:35,519 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:36:35,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35 WrapperNode [2020-10-05 23:36:35,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:36:35,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:36:35,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:36:35,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:36:35,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:36:35,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:36:35,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:36:35,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:36:35,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... [2020-10-05 23:36:35,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:36:35,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:36:35,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:36:35,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:36:35,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:36:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:36:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:36:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:36:35,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:36:35,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:36:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:36:35,749 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:36:39,051 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:36:39,051 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:36:39,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:36:39 BoogieIcfgContainer [2020-10-05 23:36:39,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:36:39,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:36:39,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:36:39,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:36:39,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:36:34" (1/3) ... [2020-10-05 23:36:39,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bf2d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:36:39, skipping insertion in model container [2020-10-05 23:36:39,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:36:35" (2/3) ... [2020-10-05 23:36:39,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bf2d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:36:39, skipping insertion in model container [2020-10-05 23:36:39,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:36:39" (3/3) ... [2020-10-05 23:36:39,068 INFO L109 eAbstractionObserver]: Analyzing ICFG rfi003_tso.oepc.i [2020-10-05 23:36:39,080 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:36:39,080 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:36:39,091 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:36:39,092 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:36:39,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,141 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,142 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,147 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,147 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,147 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,169 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,170 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,184 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,185 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,185 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,187 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,197 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,198 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:36:39,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-05 23:36:39,230 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:36:39,230 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:36:39,230 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:36:39,230 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:36:39,231 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:36:39,231 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:36:39,231 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:36:39,231 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:36:39,245 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 170 flow [2020-10-05 23:36:39,247 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2020-10-05 23:36:39,302 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-05 23:36:39,303 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:36:39,308 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. [2020-10-05 23:36:39,314 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2020-10-05 23:36:39,351 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-05 23:36:39,351 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:36:39,353 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. [2020-10-05 23:36:39,356 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1088 [2020-10-05 23:36:39,357 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:36:39,761 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:36:40,348 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-05 23:36:41,651 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2020-10-05 23:36:41,700 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-05 23:36:41,700 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:36:41,703 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-05 23:36:41,703 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:36:42,478 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2020-10-05 23:36:43,107 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2020-10-05 23:36:43,365 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-05 23:36:44,637 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2020-10-05 23:36:44,957 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-05 23:36:45,446 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-05 23:36:45,734 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-05 23:36:46,096 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-05 23:36:46,199 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3082 [2020-10-05 23:36:46,199 INFO L214 etLargeBlockEncoding]: Total number of compositions: 62 [2020-10-05 23:36:46,202 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 22 transitions, 54 flow [2020-10-05 23:36:46,222 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 254 states. [2020-10-05 23:36:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-05 23:36:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 23:36:46,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:46,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-05 23:36:46,232 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:46,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:46,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1713594894, now seen corresponding path program 1 times [2020-10-05 23:36:46,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:46,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737390362] [2020-10-05 23:36:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:46,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737390362] [2020-10-05 23:36:46,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:46,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:36:46,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509758586] [2020-10-05 23:36:46,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:36:46,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:46,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:36:46,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:36:46,528 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2020-10-05 23:36:46,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:46,627 INFO L93 Difference]: Finished difference Result 224 states and 547 transitions. [2020-10-05 23:36:46,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:36:46,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-05 23:36:46,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:46,643 INFO L225 Difference]: With dead ends: 224 [2020-10-05 23:36:46,643 INFO L226 Difference]: Without dead ends: 182 [2020-10-05 23:36:46,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:36:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-05 23:36:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-10-05 23:36:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-05 23:36:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 434 transitions. [2020-10-05 23:36:46,699 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 434 transitions. Word has length 6 [2020-10-05 23:36:46,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:46,699 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 434 transitions. [2020-10-05 23:36:46,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:36:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 434 transitions. [2020-10-05 23:36:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-05 23:36:46,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:46,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:46,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:36:46,703 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:46,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:46,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1581846260, now seen corresponding path program 1 times [2020-10-05 23:36:46,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:46,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948665230] [2020-10-05 23:36:46,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:46,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948665230] [2020-10-05 23:36:46,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:46,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:36:46,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993152918] [2020-10-05 23:36:46,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:36:46,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:46,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:36:46,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:36:46,839 INFO L87 Difference]: Start difference. First operand 182 states and 434 transitions. Second operand 3 states. [2020-10-05 23:36:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:46,853 INFO L93 Difference]: Finished difference Result 158 states and 366 transitions. [2020-10-05 23:36:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:36:46,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-05 23:36:46,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:46,856 INFO L225 Difference]: With dead ends: 158 [2020-10-05 23:36:46,856 INFO L226 Difference]: Without dead ends: 158 [2020-10-05 23:36:46,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:36:46,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-05 23:36:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-05 23:36:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-05 23:36:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 366 transitions. [2020-10-05 23:36:46,869 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 366 transitions. Word has length 7 [2020-10-05 23:36:46,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:46,869 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 366 transitions. [2020-10-05 23:36:46,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:36:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 366 transitions. [2020-10-05 23:36:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:36:46,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:46,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:46,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:36:46,871 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:46,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:46,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1532474859, now seen corresponding path program 1 times [2020-10-05 23:36:46,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:46,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002304458] [2020-10-05 23:36:46,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:47,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002304458] [2020-10-05 23:36:47,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:47,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:36:47,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656659923] [2020-10-05 23:36:47,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:36:47,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:47,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:36:47,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:36:47,359 INFO L87 Difference]: Start difference. First operand 158 states and 366 transitions. Second operand 7 states. [2020-10-05 23:36:47,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:47,710 INFO L93 Difference]: Finished difference Result 175 states and 398 transitions. [2020-10-05 23:36:47,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:36:47,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-05 23:36:47,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:47,718 INFO L225 Difference]: With dead ends: 175 [2020-10-05 23:36:47,719 INFO L226 Difference]: Without dead ends: 175 [2020-10-05 23:36:47,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:36:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-05 23:36:47,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 161. [2020-10-05 23:36:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-05 23:36:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 372 transitions. [2020-10-05 23:36:47,733 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 372 transitions. Word has length 11 [2020-10-05 23:36:47,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:47,734 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 372 transitions. [2020-10-05 23:36:47,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:36:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 372 transitions. [2020-10-05 23:36:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:36:47,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:47,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:47,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:36:47,736 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:47,736 INFO L82 PathProgramCache]: Analyzing trace with hash -248882349, now seen corresponding path program 2 times [2020-10-05 23:36:47,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:47,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470714581] [2020-10-05 23:36:47,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:48,115 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 23 [2020-10-05 23:36:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:48,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470714581] [2020-10-05 23:36:48,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:48,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:36:48,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001434887] [2020-10-05 23:36:48,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:36:48,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:48,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:36:48,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:36:48,212 INFO L87 Difference]: Start difference. First operand 161 states and 372 transitions. Second operand 8 states. [2020-10-05 23:36:48,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:48,413 INFO L93 Difference]: Finished difference Result 160 states and 369 transitions. [2020-10-05 23:36:48,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:36:48,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-05 23:36:48,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:48,419 INFO L225 Difference]: With dead ends: 160 [2020-10-05 23:36:48,424 INFO L226 Difference]: Without dead ends: 160 [2020-10-05 23:36:48,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:36:48,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-05 23:36:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2020-10-05 23:36:48,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-10-05 23:36:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 363 transitions. [2020-10-05 23:36:48,440 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 363 transitions. Word has length 11 [2020-10-05 23:36:48,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:48,440 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 363 transitions. [2020-10-05 23:36:48,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:36:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 363 transitions. [2020-10-05 23:36:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:36:48,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:48,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:48,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:36:48,445 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:48,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1553052933, now seen corresponding path program 1 times [2020-10-05 23:36:48,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:48,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350472146] [2020-10-05 23:36:48,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:48,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350472146] [2020-10-05 23:36:48,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:48,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:36:48,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581624277] [2020-10-05 23:36:48,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:36:48,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:48,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:36:48,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:36:48,611 INFO L87 Difference]: Start difference. First operand 157 states and 363 transitions. Second operand 4 states. [2020-10-05 23:36:48,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:48,635 INFO L93 Difference]: Finished difference Result 130 states and 257 transitions. [2020-10-05 23:36:48,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:36:48,636 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:36:48,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:48,637 INFO L225 Difference]: With dead ends: 130 [2020-10-05 23:36:48,637 INFO L226 Difference]: Without dead ends: 88 [2020-10-05 23:36:48,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:36:48,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-05 23:36:48,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-05 23:36:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-05 23:36:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 156 transitions. [2020-10-05 23:36:48,643 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 156 transitions. Word has length 12 [2020-10-05 23:36:48,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:48,643 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 156 transitions. [2020-10-05 23:36:48,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:36:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 156 transitions. [2020-10-05 23:36:48,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:36:48,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:48,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:48,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:36:48,645 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:48,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:48,645 INFO L82 PathProgramCache]: Analyzing trace with hash 428202985, now seen corresponding path program 1 times [2020-10-05 23:36:48,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:48,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892984644] [2020-10-05 23:36:48,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:49,097 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2020-10-05 23:36:49,365 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 33 [2020-10-05 23:36:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:49,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892984644] [2020-10-05 23:36:49,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:49,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 23:36:49,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838991321] [2020-10-05 23:36:49,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:36:49,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:49,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:36:49,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:36:49,535 INFO L87 Difference]: Start difference. First operand 88 states and 156 transitions. Second operand 9 states. [2020-10-05 23:36:49,919 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-05 23:36:50,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:50,027 INFO L93 Difference]: Finished difference Result 88 states and 156 transitions. [2020-10-05 23:36:50,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-05 23:36:50,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-05 23:36:50,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:50,028 INFO L225 Difference]: With dead ends: 88 [2020-10-05 23:36:50,028 INFO L226 Difference]: Without dead ends: 88 [2020-10-05 23:36:50,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-10-05 23:36:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-05 23:36:50,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87. [2020-10-05 23:36:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-05 23:36:50,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 154 transitions. [2020-10-05 23:36:50,037 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 154 transitions. Word has length 13 [2020-10-05 23:36:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:50,037 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 154 transitions. [2020-10-05 23:36:50,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:36:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 154 transitions. [2020-10-05 23:36:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:36:50,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:50,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:50,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:36:50,039 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:50,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:50,039 INFO L82 PathProgramCache]: Analyzing trace with hash 2127510351, now seen corresponding path program 1 times [2020-10-05 23:36:50,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:50,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527400260] [2020-10-05 23:36:50,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:50,356 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-10-05 23:36:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:50,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527400260] [2020-10-05 23:36:50,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:50,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:36:50,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865833244] [2020-10-05 23:36:50,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-05 23:36:50,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:50,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-05 23:36:50,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:36:50,665 INFO L87 Difference]: Start difference. First operand 87 states and 154 transitions. Second operand 10 states. [2020-10-05 23:36:51,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:51,261 INFO L93 Difference]: Finished difference Result 104 states and 185 transitions. [2020-10-05 23:36:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-05 23:36:51,262 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-05 23:36:51,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:51,263 INFO L225 Difference]: With dead ends: 104 [2020-10-05 23:36:51,263 INFO L226 Difference]: Without dead ends: 104 [2020-10-05 23:36:51,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:36:51,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-05 23:36:51,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2020-10-05 23:36:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-05 23:36:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 167 transitions. [2020-10-05 23:36:51,268 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 167 transitions. Word has length 14 [2020-10-05 23:36:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:51,268 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 167 transitions. [2020-10-05 23:36:51,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-05 23:36:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2020-10-05 23:36:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:36:51,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:51,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:51,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:36:51,270 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:51,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:51,270 INFO L82 PathProgramCache]: Analyzing trace with hash 389258409, now seen corresponding path program 2 times [2020-10-05 23:36:51,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:51,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426626813] [2020-10-05 23:36:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:51,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426626813] [2020-10-05 23:36:51,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:51,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:36:51,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390588949] [2020-10-05 23:36:51,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:36:51,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:51,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:36:51,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:36:51,392 INFO L87 Difference]: Start difference. First operand 94 states and 167 transitions. Second operand 5 states. [2020-10-05 23:36:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:51,426 INFO L93 Difference]: Finished difference Result 77 states and 131 transitions. [2020-10-05 23:36:51,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:36:51,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-05 23:36:51,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:51,428 INFO L225 Difference]: With dead ends: 77 [2020-10-05 23:36:51,428 INFO L226 Difference]: Without dead ends: 64 [2020-10-05 23:36:51,429 INFO L675 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 [2020-10-05 23:36:51,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-05 23:36:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 59. [2020-10-05 23:36:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-05 23:36:51,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 98 transitions. [2020-10-05 23:36:51,433 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 98 transitions. Word has length 14 [2020-10-05 23:36:51,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:51,433 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 98 transitions. [2020-10-05 23:36:51,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:36:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2020-10-05 23:36:51,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:36:51,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:51,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:51,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:36:51,435 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:51,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:51,435 INFO L82 PathProgramCache]: Analyzing trace with hash 2144307679, now seen corresponding path program 1 times [2020-10-05 23:36:51,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:51,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444384513] [2020-10-05 23:36:51,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:51,938 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-10-05 23:36:52,106 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-10-05 23:36:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:52,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444384513] [2020-10-05 23:36:52,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:52,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-05 23:36:52,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275184111] [2020-10-05 23:36:52,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-05 23:36:52,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:52,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-05 23:36:52,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:36:52,276 INFO L87 Difference]: Start difference. First operand 59 states and 98 transitions. Second operand 11 states. [2020-10-05 23:36:52,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:52,509 INFO L93 Difference]: Finished difference Result 87 states and 141 transitions. [2020-10-05 23:36:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:36:52,510 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-05 23:36:52,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:52,511 INFO L225 Difference]: With dead ends: 87 [2020-10-05 23:36:52,511 INFO L226 Difference]: Without dead ends: 67 [2020-10-05 23:36:52,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:36:52,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-05 23:36:52,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 51. [2020-10-05 23:36:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-05 23:36:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 82 transitions. [2020-10-05 23:36:52,514 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 82 transitions. Word has length 18 [2020-10-05 23:36:52,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:52,514 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 82 transitions. [2020-10-05 23:36:52,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-05 23:36:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2020-10-05 23:36:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:36:52,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:52,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:52,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:36:52,516 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:52,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:52,516 INFO L82 PathProgramCache]: Analyzing trace with hash 965666845, now seen corresponding path program 2 times [2020-10-05 23:36:52,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:52,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913507847] [2020-10-05 23:36:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:52,871 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2020-10-05 23:36:52,988 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-10-05 23:36:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:52,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913507847] [2020-10-05 23:36:52,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:52,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:36:52,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890856657] [2020-10-05 23:36:52,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:36:52,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:52,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:36:52,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:36:52,994 INFO L87 Difference]: Start difference. First operand 51 states and 82 transitions. Second operand 7 states. [2020-10-05 23:36:53,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:53,243 INFO L93 Difference]: Finished difference Result 71 states and 113 transitions. [2020-10-05 23:36:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-05 23:36:53,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-05 23:36:53,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:53,245 INFO L225 Difference]: With dead ends: 71 [2020-10-05 23:36:53,245 INFO L226 Difference]: Without dead ends: 59 [2020-10-05 23:36:53,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:36:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-05 23:36:53,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-05 23:36:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-05 23:36:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 95 transitions. [2020-10-05 23:36:53,248 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 95 transitions. Word has length 18 [2020-10-05 23:36:53,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:53,248 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 95 transitions. [2020-10-05 23:36:53,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:36:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2020-10-05 23:36:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:36:53,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:53,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:53,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:36:53,249 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:53,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:53,250 INFO L82 PathProgramCache]: Analyzing trace with hash -529247883, now seen corresponding path program 3 times [2020-10-05 23:36:53,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:53,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368067436] [2020-10-05 23:36:53,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:53,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368067436] [2020-10-05 23:36:53,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:53,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 23:36:53,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11242524] [2020-10-05 23:36:53,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:36:53,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:53,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:36:53,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:36:53,694 INFO L87 Difference]: Start difference. First operand 59 states and 95 transitions. Second operand 9 states. [2020-10-05 23:36:53,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:53,980 INFO L93 Difference]: Finished difference Result 85 states and 135 transitions. [2020-10-05 23:36:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-05 23:36:53,981 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-05 23:36:53,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:53,982 INFO L225 Difference]: With dead ends: 85 [2020-10-05 23:36:53,982 INFO L226 Difference]: Without dead ends: 69 [2020-10-05 23:36:53,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:36:53,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-05 23:36:53,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 59. [2020-10-05 23:36:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-05 23:36:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 93 transitions. [2020-10-05 23:36:53,985 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 93 transitions. Word has length 18 [2020-10-05 23:36:53,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:53,986 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 93 transitions. [2020-10-05 23:36:53,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:36:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2020-10-05 23:36:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:36:53,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:53,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:53,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:36:53,987 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:53,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:53,987 INFO L82 PathProgramCache]: Analyzing trace with hash 362926823, now seen corresponding path program 4 times [2020-10-05 23:36:53,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:53,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294016626] [2020-10-05 23:36:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:54,550 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-10-05 23:36:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:54,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294016626] [2020-10-05 23:36:54,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:54,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-05 23:36:54,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500064930] [2020-10-05 23:36:54,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-05 23:36:54,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:54,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-05 23:36:54,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:36:54,703 INFO L87 Difference]: Start difference. First operand 59 states and 93 transitions. Second operand 11 states. [2020-10-05 23:36:55,027 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-10-05 23:36:55,246 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-10-05 23:36:55,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:55,394 INFO L93 Difference]: Finished difference Result 80 states and 124 transitions. [2020-10-05 23:36:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-05 23:36:55,395 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-10-05 23:36:55,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:55,396 INFO L225 Difference]: With dead ends: 80 [2020-10-05 23:36:55,396 INFO L226 Difference]: Without dead ends: 48 [2020-10-05 23:36:55,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:36:55,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-05 23:36:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2020-10-05 23:36:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-05 23:36:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 68 transitions. [2020-10-05 23:36:55,398 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 68 transitions. Word has length 18 [2020-10-05 23:36:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:55,399 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 68 transitions. [2020-10-05 23:36:55,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-05 23:36:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2020-10-05 23:36:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:36:55,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:36:55,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:36:55,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:36:55,400 INFO L427 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:36:55,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:36:55,400 INFO L82 PathProgramCache]: Analyzing trace with hash -256512233, now seen corresponding path program 5 times [2020-10-05 23:36:55,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:36:55,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433804061] [2020-10-05 23:36:55,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:36:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:36:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:36:55,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433804061] [2020-10-05 23:36:55,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:36:55,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:36:55,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95255501] [2020-10-05 23:36:55,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:36:55,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:36:55,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:36:55,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:36:55,480 INFO L87 Difference]: Start difference. First operand 45 states and 68 transitions. Second operand 4 states. [2020-10-05 23:36:55,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:36:55,495 INFO L93 Difference]: Finished difference Result 44 states and 67 transitions. [2020-10-05 23:36:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:36:55,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-05 23:36:55,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:36:55,496 INFO L225 Difference]: With dead ends: 44 [2020-10-05 23:36:55,496 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:36:55,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:36:55,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:36:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:36:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:36:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:36:55,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-05 23:36:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:36:55,498 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:36:55,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:36:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:36:55,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:36:55,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:36:55,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:36:55 BasicIcfg [2020-10-05 23:36:55,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:36:55,506 INFO L168 Benchmark]: Toolchain (without parser) took 20802.46 ms. Allocated memory was 141.0 MB in the beginning and 483.9 MB in the end (delta: 342.9 MB). Free memory was 101.7 MB in the beginning and 306.3 MB in the end (delta: -204.6 MB). Peak memory consumption was 138.2 MB. Max. memory is 7.1 GB. [2020-10-05 23:36:55,507 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:36:55,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.41 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 101.4 MB in the beginning and 152.9 MB in the end (delta: -51.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:36:55,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.00 ms. Allocated memory is still 202.4 MB. Free memory was 152.9 MB in the beginning and 148.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:36:55,509 INFO L168 Benchmark]: Boogie Preprocessor took 49.18 ms. Allocated memory is still 202.4 MB. Free memory was 148.9 MB in the beginning and 146.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:36:55,510 INFO L168 Benchmark]: RCFGBuilder took 3409.65 ms. Allocated memory was 202.4 MB in the beginning and 291.5 MB in the end (delta: 89.1 MB). Free memory was 145.7 MB in the beginning and 241.5 MB in the end (delta: -95.8 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:36:55,510 INFO L168 Benchmark]: TraceAbstraction took 16445.96 ms. Allocated memory was 291.5 MB in the beginning and 483.9 MB in the end (delta: 192.4 MB). Free memory was 238.5 MB in the beginning and 306.3 MB in the end (delta: -67.8 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:36:55,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.41 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 101.4 MB in the beginning and 152.9 MB in the end (delta: -51.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.00 ms. Allocated memory is still 202.4 MB. Free memory was 152.9 MB in the beginning and 148.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.18 ms. Allocated memory is still 202.4 MB. Free memory was 148.9 MB in the beginning and 146.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3409.65 ms. Allocated memory was 202.4 MB in the beginning and 291.5 MB in the end (delta: 89.1 MB). Free memory was 145.7 MB in the beginning and 241.5 MB in the end (delta: -95.8 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16445.96 ms. Allocated memory was 291.5 MB in the beginning and 483.9 MB in the end (delta: 192.4 MB). Free memory was 238.5 MB in the beginning and 306.3 MB in the end (delta: -67.8 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 6.9s, 85 ProgramPointsBefore, 29 ProgramPointsAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 522 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3082 CheckedPairsTotal, 62 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.2s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 215 SDtfs, 266 SDslu, 459 SDs, 0 SdLazy, 738 SolverSat, 155 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 5.0s 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, 13 MinimizatonAttempts, 62 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 40457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...