/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/mix043_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:33:33,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:33:33,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:33:33,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:33:33,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:33:33,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:33:33,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:33:33,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:33:33,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:33:33,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:33:33,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:33:33,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:33:33,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:33:33,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:33:33,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:33:33,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:33:33,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:33:33,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:33:33,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:33:33,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:33:33,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:33:33,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:33:33,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:33:33,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:33:33,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:33:33,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:33:33,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:33:33,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:33:33,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:33:33,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:33:33,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:33:33,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:33:33,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:33:33,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:33:33,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:33:33,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:33:33,526 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 23:33:33,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:33:33,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:33:33,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:33:33,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:33:33,571 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:33:33,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:33:33,571 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:33:33,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:33:33,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:33:33,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:33:33,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:33:33,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:33:33,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:33:33,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:33:33,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:33:33,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:33:33,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:33:33,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:33:33,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:33:33,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:33:33,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:33:33,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:33:33,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:33:33,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:33:33,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:33:33,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:33:33,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:33:33,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:33:33,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:33:33,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:33:33,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:33:33,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:33:33,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:33:33,904 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:33:33,905 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043_pso.oepc.i [2020-10-05 23:33:33,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224257f0b/11c2e2a06dde4ca0bc64bc9f74038413/FLAG7dff7b60e [2020-10-05 23:33:34,615 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:33:34,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043_pso.oepc.i [2020-10-05 23:33:34,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224257f0b/11c2e2a06dde4ca0bc64bc9f74038413/FLAG7dff7b60e [2020-10-05 23:33:34,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224257f0b/11c2e2a06dde4ca0bc64bc9f74038413 [2020-10-05 23:33:34,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:33:34,911 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:33:34,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:33:34,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:33:34,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:33:34,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:33:34" (1/1) ... [2020-10-05 23:33:34,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2109e320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:34, skipping insertion in model container [2020-10-05 23:33:34,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:33:34" (1/1) ... [2020-10-05 23:33:34,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:33:35,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:33:35,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:33:35,509 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:33:35,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:33:35,689 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:33:35,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35 WrapperNode [2020-10-05 23:33:35,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:33:35,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:33:35,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:33:35,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:33:35,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:33:35,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:33:35,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:33:35,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:33:35,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (1/1) ... [2020-10-05 23:33:35,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:33:35,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:33:35,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:33:35,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:33:35,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (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 23:33:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:33:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:33:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:33:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:33:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:33:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:33:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:33:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:33:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:33:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:33:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-05 23:33:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-05 23:33:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:33:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:33:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:33:35,907 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 23:33:38,246 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:33:38,246 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:33:38,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:33:38 BoogieIcfgContainer [2020-10-05 23:33:38,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:33:38,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:33:38,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:33:38,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:33:38,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:33:34" (1/3) ... [2020-10-05 23:33:38,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f08dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:33:38, skipping insertion in model container [2020-10-05 23:33:38,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:33:35" (2/3) ... [2020-10-05 23:33:38,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f08dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:33:38, skipping insertion in model container [2020-10-05 23:33:38,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:33:38" (3/3) ... [2020-10-05 23:33:38,259 INFO L109 eAbstractionObserver]: Analyzing ICFG mix043_pso.oepc.i [2020-10-05 23:33:38,271 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:33:38,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:33:38,282 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:33:38,283 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:33:38,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,321 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,324 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,325 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,328 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,328 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,331 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,331 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,341 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,341 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,341 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,347 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,347 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,353 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,360 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,360 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,360 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,361 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,362 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,363 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,364 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,365 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,366 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:33:38,382 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:33:38,407 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:33:38,407 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:33:38,408 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:33:38,408 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:33:38,408 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:33:38,408 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:33:38,408 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:33:38,408 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:33:38,426 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 250 flow [2020-10-05 23:33:38,429 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2020-10-05 23:33:38,488 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2020-10-05 23:33:38,488 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:33:38,495 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-05 23:33:38,500 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2020-10-05 23:33:38,527 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2020-10-05 23:33:38,527 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:33:38,528 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-05 23:33:38,532 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2814 [2020-10-05 23:33:38,533 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:33:39,148 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:33:40,958 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-10-05 23:33:41,284 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-05 23:33:41,401 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-05 23:33:41,550 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-05 23:33:41,695 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-05 23:33:41,706 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8064 [2020-10-05 23:33:41,706 INFO L214 etLargeBlockEncoding]: Total number of compositions: 91 [2020-10-05 23:33:41,710 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow [2020-10-05 23:33:42,068 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4874 states. [2020-10-05 23:33:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states. [2020-10-05 23:33:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-05 23:33:42,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:42,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-05 23:33:42,085 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:42,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:42,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1205360, now seen corresponding path program 1 times [2020-10-05 23:33:42,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:42,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57474759] [2020-10-05 23:33:42,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:42,433 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 23:33:42,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57474759] [2020-10-05 23:33:42,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:42,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:33:42,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390344907] [2020-10-05 23:33:42,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:33:42,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:42,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:33:42,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:33:42,461 INFO L87 Difference]: Start difference. First operand 4874 states. Second operand 3 states. [2020-10-05 23:33:42,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:42,621 INFO L93 Difference]: Finished difference Result 4062 states and 16125 transitions. [2020-10-05 23:33:42,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:33:42,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-05 23:33:42,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:42,678 INFO L225 Difference]: With dead ends: 4062 [2020-10-05 23:33:42,678 INFO L226 Difference]: Without dead ends: 3312 [2020-10-05 23:33:42,680 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 23:33:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2020-10-05 23:33:42,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2020-10-05 23:33:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-05 23:33:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2020-10-05 23:33:42,891 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2020-10-05 23:33:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:42,891 INFO L479 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2020-10-05 23:33:42,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:33:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2020-10-05 23:33:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:33:42,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:42,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:42,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:33:42,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:42,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:42,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1703107960, now seen corresponding path program 1 times [2020-10-05 23:33:42,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:42,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358833896] [2020-10-05 23:33:42,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:42,980 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 23:33:42,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358833896] [2020-10-05 23:33:42,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:42,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:33:42,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173543687] [2020-10-05 23:33:42,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:33:42,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:42,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:33:42,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:33:42,983 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand 3 states. [2020-10-05 23:33:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:43,034 INFO L93 Difference]: Finished difference Result 3262 states and 12720 transitions. [2020-10-05 23:33:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:33:43,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-05 23:33:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:43,065 INFO L225 Difference]: With dead ends: 3262 [2020-10-05 23:33:43,065 INFO L226 Difference]: Without dead ends: 3262 [2020-10-05 23:33:43,066 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 23:33:43,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2020-10-05 23:33:43,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3262. [2020-10-05 23:33:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3262 states. [2020-10-05 23:33:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 12720 transitions. [2020-10-05 23:33:43,200 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 12720 transitions. Word has length 11 [2020-10-05 23:33:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:43,202 INFO L479 AbstractCegarLoop]: Abstraction has 3262 states and 12720 transitions. [2020-10-05 23:33:43,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:33:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 12720 transitions. [2020-10-05 23:33:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:33:43,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:43,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:43,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:33:43,207 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:43,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:43,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1256738526, now seen corresponding path program 1 times [2020-10-05 23:33:43,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:43,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448134267] [2020-10-05 23:33:43,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:43,354 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 23:33:43,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448134267] [2020-10-05 23:33:43,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:43,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:33:43,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263571646] [2020-10-05 23:33:43,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:33:43,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:43,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:33:43,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:33:43,357 INFO L87 Difference]: Start difference. First operand 3262 states and 12720 transitions. Second operand 3 states. [2020-10-05 23:33:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:43,390 INFO L93 Difference]: Finished difference Result 3062 states and 11850 transitions. [2020-10-05 23:33:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:33:43,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-05 23:33:43,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:43,416 INFO L225 Difference]: With dead ends: 3062 [2020-10-05 23:33:43,416 INFO L226 Difference]: Without dead ends: 3062 [2020-10-05 23:33:43,416 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 23:33:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2020-10-05 23:33:43,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 3062. [2020-10-05 23:33:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3062 states. [2020-10-05 23:33:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 11850 transitions. [2020-10-05 23:33:43,536 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 11850 transitions. Word has length 12 [2020-10-05 23:33:43,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:43,536 INFO L479 AbstractCegarLoop]: Abstraction has 3062 states and 11850 transitions. [2020-10-05 23:33:43,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:33:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 11850 transitions. [2020-10-05 23:33:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:33:43,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:43,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:43,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:33:43,540 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:43,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:43,540 INFO L82 PathProgramCache]: Analyzing trace with hash 304188518, now seen corresponding path program 1 times [2020-10-05 23:33:43,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:43,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152775143] [2020-10-05 23:33:43,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:43,646 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 23:33:43,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152775143] [2020-10-05 23:33:43,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:43,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:33:43,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020165611] [2020-10-05 23:33:43,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:33:43,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:43,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:33:43,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:33:43,649 INFO L87 Difference]: Start difference. First operand 3062 states and 11850 transitions. Second operand 4 states. [2020-10-05 23:33:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:43,721 INFO L93 Difference]: Finished difference Result 2980 states and 10435 transitions. [2020-10-05 23:33:43,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:33:43,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:33:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:43,742 INFO L225 Difference]: With dead ends: 2980 [2020-10-05 23:33:43,742 INFO L226 Difference]: Without dead ends: 2230 [2020-10-05 23:33:43,742 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 23:33:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2020-10-05 23:33:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2230. [2020-10-05 23:33:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2230 states. [2020-10-05 23:33:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 7690 transitions. [2020-10-05 23:33:43,816 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 7690 transitions. Word has length 13 [2020-10-05 23:33:43,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:43,816 INFO L479 AbstractCegarLoop]: Abstraction has 2230 states and 7690 transitions. [2020-10-05 23:33:43,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:33:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 7690 transitions. [2020-10-05 23:33:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:33:43,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:43,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:43,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:33:43,820 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:43,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:43,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2143316362, now seen corresponding path program 1 times [2020-10-05 23:33:43,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:43,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476733440] [2020-10-05 23:33:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:43,955 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 23:33:43,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476733440] [2020-10-05 23:33:43,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:43,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:33:43,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94818254] [2020-10-05 23:33:43,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:33:43,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:43,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:33:43,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:43,957 INFO L87 Difference]: Start difference. First operand 2230 states and 7690 transitions. Second operand 5 states. [2020-10-05 23:33:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:44,038 INFO L93 Difference]: Finished difference Result 1844 states and 5875 transitions. [2020-10-05 23:33:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:33:44,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-05 23:33:44,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:44,049 INFO L225 Difference]: With dead ends: 1844 [2020-10-05 23:33:44,050 INFO L226 Difference]: Without dead ends: 1414 [2020-10-05 23:33:44,053 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 23:33:44,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2020-10-05 23:33:44,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1414. [2020-10-05 23:33:44,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1414 states. [2020-10-05 23:33:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 4426 transitions. [2020-10-05 23:33:44,095 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 4426 transitions. Word has length 16 [2020-10-05 23:33:44,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:44,096 INFO L479 AbstractCegarLoop]: Abstraction has 1414 states and 4426 transitions. [2020-10-05 23:33:44,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:33:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4426 transitions. [2020-10-05 23:33:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-05 23:33:44,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:44,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:44,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:33:44,101 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:44,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:44,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1667381165, now seen corresponding path program 1 times [2020-10-05 23:33:44,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:44,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271709383] [2020-10-05 23:33:44,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:44,269 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 23:33:44,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271709383] [2020-10-05 23:33:44,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:44,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:33:44,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172155396] [2020-10-05 23:33:44,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:33:44,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:44,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:33:44,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:33:44,271 INFO L87 Difference]: Start difference. First operand 1414 states and 4426 transitions. Second operand 6 states. [2020-10-05 23:33:44,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:44,364 INFO L93 Difference]: Finished difference Result 1240 states and 3867 transitions. [2020-10-05 23:33:44,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:33:44,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-05 23:33:44,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:44,373 INFO L225 Difference]: With dead ends: 1240 [2020-10-05 23:33:44,373 INFO L226 Difference]: Without dead ends: 1114 [2020-10-05 23:33:44,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:33:44,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2020-10-05 23:33:44,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2020-10-05 23:33:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2020-10-05 23:33:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 3526 transitions. [2020-10-05 23:33:44,404 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 3526 transitions. Word has length 20 [2020-10-05 23:33:44,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:44,404 INFO L479 AbstractCegarLoop]: Abstraction has 1114 states and 3526 transitions. [2020-10-05 23:33:44,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:33:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 3526 transitions. [2020-10-05 23:33:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:33:44,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:44,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:44,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:33:44,409 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:44,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:44,409 INFO L82 PathProgramCache]: Analyzing trace with hash 296428909, now seen corresponding path program 1 times [2020-10-05 23:33:44,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:44,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373621779] [2020-10-05 23:33:44,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:44,560 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 23:33:44,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373621779] [2020-10-05 23:33:44,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:44,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:33:44,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764955988] [2020-10-05 23:33:44,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:33:44,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:44,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:33:44,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:33:44,562 INFO L87 Difference]: Start difference. First operand 1114 states and 3526 transitions. Second operand 4 states. [2020-10-05 23:33:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:44,591 INFO L93 Difference]: Finished difference Result 1627 states and 5070 transitions. [2020-10-05 23:33:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:33:44,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-05 23:33:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:44,602 INFO L225 Difference]: With dead ends: 1627 [2020-10-05 23:33:44,602 INFO L226 Difference]: Without dead ends: 1117 [2020-10-05 23:33:44,605 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 23:33:44,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-05 23:33:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1114. [2020-10-05 23:33:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2020-10-05 23:33:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 3364 transitions. [2020-10-05 23:33:44,643 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 3364 transitions. Word has length 24 [2020-10-05 23:33:44,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:44,643 INFO L479 AbstractCegarLoop]: Abstraction has 1114 states and 3364 transitions. [2020-10-05 23:33:44,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:33:44,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 3364 transitions. [2020-10-05 23:33:44,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:33:44,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:44,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:44,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:33:44,648 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:44,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:44,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2010601870, now seen corresponding path program 1 times [2020-10-05 23:33:44,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:44,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9980232] [2020-10-05 23:33:44,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:44,784 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 23:33:44,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9980232] [2020-10-05 23:33:44,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:44,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:33:44,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963317718] [2020-10-05 23:33:44,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:33:44,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:44,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:33:44,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:44,786 INFO L87 Difference]: Start difference. First operand 1114 states and 3364 transitions. Second operand 5 states. [2020-10-05 23:33:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:44,946 INFO L93 Difference]: Finished difference Result 1982 states and 5802 transitions. [2020-10-05 23:33:44,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:33:44,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-05 23:33:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:44,953 INFO L225 Difference]: With dead ends: 1982 [2020-10-05 23:33:44,953 INFO L226 Difference]: Without dead ends: 1735 [2020-10-05 23:33:44,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:33:44,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2020-10-05 23:33:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1413. [2020-10-05 23:33:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1413 states. [2020-10-05 23:33:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 4206 transitions. [2020-10-05 23:33:44,999 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 4206 transitions. Word has length 24 [2020-10-05 23:33:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:44,999 INFO L479 AbstractCegarLoop]: Abstraction has 1413 states and 4206 transitions. [2020-10-05 23:33:44,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:33:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 4206 transitions. [2020-10-05 23:33:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:33:45,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:45,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:45,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:33:45,004 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:45,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:45,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1936255516, now seen corresponding path program 2 times [2020-10-05 23:33:45,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:45,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683393048] [2020-10-05 23:33:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:45,122 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 23:33:45,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683393048] [2020-10-05 23:33:45,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:45,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:33:45,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035583001] [2020-10-05 23:33:45,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:33:45,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:45,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:33:45,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:33:45,124 INFO L87 Difference]: Start difference. First operand 1413 states and 4206 transitions. Second operand 7 states. [2020-10-05 23:33:45,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:45,202 INFO L93 Difference]: Finished difference Result 1382 states and 4140 transitions. [2020-10-05 23:33:45,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:33:45,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-05 23:33:45,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:45,207 INFO L225 Difference]: With dead ends: 1382 [2020-10-05 23:33:45,207 INFO L226 Difference]: Without dead ends: 961 [2020-10-05 23:33:45,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:33:45,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2020-10-05 23:33:45,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2020-10-05 23:33:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-10-05 23:33:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 2882 transitions. [2020-10-05 23:33:45,233 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 2882 transitions. Word has length 24 [2020-10-05 23:33:45,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:45,233 INFO L479 AbstractCegarLoop]: Abstraction has 961 states and 2882 transitions. [2020-10-05 23:33:45,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:33:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 2882 transitions. [2020-10-05 23:33:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:33:45,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:45,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:45,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:33:45,238 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:45,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:45,238 INFO L82 PathProgramCache]: Analyzing trace with hash 2071109246, now seen corresponding path program 1 times [2020-10-05 23:33:45,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:45,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267814350] [2020-10-05 23:33:45,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:45,301 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 23:33:45,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267814350] [2020-10-05 23:33:45,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:45,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:33:45,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482860893] [2020-10-05 23:33:45,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:33:45,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:45,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:33:45,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:33:45,304 INFO L87 Difference]: Start difference. First operand 961 states and 2882 transitions. Second operand 4 states. [2020-10-05 23:33:45,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:45,323 INFO L93 Difference]: Finished difference Result 1371 states and 4078 transitions. [2020-10-05 23:33:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:33:45,324 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-05 23:33:45,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:45,326 INFO L225 Difference]: With dead ends: 1371 [2020-10-05 23:33:45,326 INFO L226 Difference]: Without dead ends: 473 [2020-10-05 23:33:45,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:33:45,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-05 23:33:45,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2020-10-05 23:33:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-05 23:33:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 1330 transitions. [2020-10-05 23:33:45,339 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 1330 transitions. Word has length 28 [2020-10-05 23:33:45,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:45,339 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 1330 transitions. [2020-10-05 23:33:45,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:33:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1330 transitions. [2020-10-05 23:33:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:33:45,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:45,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:45,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:33:45,342 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:45,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:45,342 INFO L82 PathProgramCache]: Analyzing trace with hash -900756824, now seen corresponding path program 2 times [2020-10-05 23:33:45,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:45,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494175933] [2020-10-05 23:33:45,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:45,733 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 23:33:45,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494175933] [2020-10-05 23:33:45,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:45,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:33:45,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331896028] [2020-10-05 23:33:45,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:33:45,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:45,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:33:45,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:33:45,736 INFO L87 Difference]: Start difference. First operand 473 states and 1330 transitions. Second operand 8 states. [2020-10-05 23:33:45,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:45,955 INFO L93 Difference]: Finished difference Result 750 states and 2051 transitions. [2020-10-05 23:33:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:33:45,956 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-05 23:33:45,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:45,959 INFO L225 Difference]: With dead ends: 750 [2020-10-05 23:33:45,959 INFO L226 Difference]: Without dead ends: 482 [2020-10-05 23:33:45,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:33:45,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-10-05 23:33:45,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 407. [2020-10-05 23:33:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-10-05 23:33:45,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1116 transitions. [2020-10-05 23:33:45,974 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 1116 transitions. Word has length 28 [2020-10-05 23:33:45,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:45,975 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 1116 transitions. [2020-10-05 23:33:45,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:33:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1116 transitions. [2020-10-05 23:33:45,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:33:45,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:45,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:45,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:33:45,977 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:45,978 INFO L82 PathProgramCache]: Analyzing trace with hash 915286180, now seen corresponding path program 3 times [2020-10-05 23:33:45,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:45,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869499367] [2020-10-05 23:33:45,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:46,446 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 23:33:46,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869499367] [2020-10-05 23:33:46,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:46,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:33:46,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362296759] [2020-10-05 23:33:46,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:33:46,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:46,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:33:46,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:33:46,448 INFO L87 Difference]: Start difference. First operand 407 states and 1116 transitions. Second operand 8 states. [2020-10-05 23:33:46,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:46,676 INFO L93 Difference]: Finished difference Result 548 states and 1453 transitions. [2020-10-05 23:33:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:33:46,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-05 23:33:46,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:46,678 INFO L225 Difference]: With dead ends: 548 [2020-10-05 23:33:46,679 INFO L226 Difference]: Without dead ends: 450 [2020-10-05 23:33:46,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:33:46,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-10-05 23:33:46,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 387. [2020-10-05 23:33:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-10-05 23:33:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 1046 transitions. [2020-10-05 23:33:46,690 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 1046 transitions. Word has length 28 [2020-10-05 23:33:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:46,691 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 1046 transitions. [2020-10-05 23:33:46,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:33:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1046 transitions. [2020-10-05 23:33:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:33:46,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:46,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:46,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:33:46,693 INFO L427 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:46,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:46,694 INFO L82 PathProgramCache]: Analyzing trace with hash -45884350, now seen corresponding path program 4 times [2020-10-05 23:33:46,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:46,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438738335] [2020-10-05 23:33:46,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:33:46,913 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 23:33:46,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438738335] [2020-10-05 23:33:46,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:33:46,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:33:46,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489844194] [2020-10-05 23:33:46,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:33:46,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:33:46,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:33:46,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:33:46,917 INFO L87 Difference]: Start difference. First operand 387 states and 1046 transitions. Second operand 8 states. [2020-10-05 23:33:47,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:33:47,123 INFO L93 Difference]: Finished difference Result 654 states and 1743 transitions. [2020-10-05 23:33:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:33:47,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-05 23:33:47,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:33:47,127 INFO L225 Difference]: With dead ends: 654 [2020-10-05 23:33:47,127 INFO L226 Difference]: Without dead ends: 544 [2020-10-05 23:33:47,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:33:47,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-10-05 23:33:47,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 387. [2020-10-05 23:33:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-10-05 23:33:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 1014 transitions. [2020-10-05 23:33:47,139 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 1014 transitions. Word has length 28 [2020-10-05 23:33:47,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:33:47,139 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 1014 transitions. [2020-10-05 23:33:47,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:33:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1014 transitions. [2020-10-05 23:33:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:33:47,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:33:47,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:33:47,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:33:47,142 INFO L427 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:33:47,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:33:47,142 INFO L82 PathProgramCache]: Analyzing trace with hash 772667966, now seen corresponding path program 5 times [2020-10-05 23:33:47,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:33:47,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628022112] [2020-10-05 23:33:47,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:33:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:33:47,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:33:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:33:47,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:33:47,316 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:33:47,317 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:33:47,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-05 23:33:47,319 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:33:47,342 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [1172] [1172] L871-->L878: Formula: (let ((.cse7 (= (mod ~b$w_buff0_used~0_In672553091 256) 0)) (.cse6 (= (mod ~b$r_buff0_thd0~0_In672553091 256) 0)) (.cse9 (= (mod ~b$r_buff1_thd0~0_In672553091 256) 0)) (.cse8 (= (mod ~b$w_buff1_used~0_In672553091 256) 0))) (let ((.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (= ~b$r_buff0_thd0~0_Out672553091 ~b$r_buff0_thd0~0_In672553091) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out672553091 0)) (= ~b$r_buff1_thd0~0_Out672553091 ~b$r_buff1_thd0~0_In672553091) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In672553091| ULTIMATE.start_assume_abort_if_not_~cond_Out672553091) (or (and (= ~b$w_buff1_used~0_Out672553091 0) .cse0 .cse1) (and .cse2 (= ~b$w_buff1_used~0_In672553091 ~b$w_buff1_used~0_Out672553091))) (or (and (or (and (= ~b~0_Out672553091 ~b$w_buff1~0_In672553091) .cse0 .cse1) (and (= ~b~0_Out672553091 ~b~0_In672553091) .cse2)) .cse3) (and .cse4 (= ~b~0_Out672553091 ~b$w_buff0~0_In672553091) .cse5)) (or (and .cse4 .cse5 (= ~b$w_buff0_used~0_Out672553091 0)) (and (= ~b$w_buff0_used~0_In672553091 ~b$w_buff0_used~0_Out672553091) .cse3))))) InVars {~b$w_buff0_used~0=~b$w_buff0_used~0_In672553091, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In672553091|, ~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_In672553091, ~b$w_buff1_used~0=~b$w_buff1_used~0_In672553091, ~b~0=~b~0_In672553091, ~b$w_buff1~0=~b$w_buff1~0_In672553091, ~b$w_buff0~0=~b$w_buff0~0_In672553091, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_In672553091} OutVars{~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_Out672553091, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out672553091|, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out672553091|, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out672553091|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out672553091|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out672553091|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out672553091|, ~b$w_buff0_used~0=~b$w_buff0_used~0_Out672553091, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In672553091|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out672553091, ~b$w_buff1_used~0=~b$w_buff1_used~0_Out672553091, ~b~0=~b~0_Out672553091, ~b$w_buff1~0=~b$w_buff1~0_In672553091, ~b$w_buff0~0=~b$w_buff0~0_In672553091, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_Out672553091} AuxVars[] AssignedVars[~b$w_buff0_used~0, ~b$r_buff1_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ~b$w_buff1_used~0, ~b~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite57, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ~b$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite55] because there is no mapped edge [2020-10-05 23:33:47,356 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,357 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,359 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,359 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,361 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,362 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,362 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,362 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,362 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,362 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,362 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,363 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,363 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,363 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,363 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,363 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,365 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,365 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,365 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,365 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,365 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,366 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,366 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,366 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,375 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,375 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,375 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,376 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,376 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,376 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,376 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,377 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,377 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,377 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,377 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,377 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,377 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,377 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:33:47,378 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:33:47,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:33:47 BasicIcfg [2020-10-05 23:33:47,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:33:47,484 INFO L168 Benchmark]: Toolchain (without parser) took 12572.51 ms. Allocated memory was 140.0 MB in the beginning and 417.3 MB in the end (delta: 277.3 MB). Free memory was 101.3 MB in the beginning and 135.9 MB in the end (delta: -34.6 MB). Peak memory consumption was 242.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:47,485 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:33:47,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.73 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 155.4 MB in the end (delta: -54.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:47,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.14 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 152.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:47,487 INFO L168 Benchmark]: Boogie Preprocessor took 52.67 ms. Allocated memory is still 203.4 MB. Free memory was 152.5 MB in the beginning and 149.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:47,488 INFO L168 Benchmark]: RCFGBuilder took 2432.23 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 149.7 MB in the beginning and 147.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:47,491 INFO L168 Benchmark]: TraceAbstraction took 9230.89 ms. Allocated memory was 249.0 MB in the beginning and 417.3 MB in the end (delta: 168.3 MB). Free memory was 147.2 MB in the beginning and 135.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 179.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:33:47,496 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 777.73 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 155.4 MB in the end (delta: -54.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 73.14 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 152.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.67 ms. Allocated memory is still 203.4 MB. Free memory was 152.5 MB in the beginning and 149.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2432.23 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 149.7 MB in the beginning and 147.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9230.89 ms. Allocated memory was 249.0 MB in the beginning and 417.3 MB in the end (delta: 168.3 MB). Free memory was 147.2 MB in the beginning and 135.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 179.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.2s, 126 ProgramPointsBefore, 47 ProgramPointsAfterwards, 115 TransitionsBefore, 34 TransitionsAfterwards, 2814 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 1403 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 8064 CheckedPairsTotal, 91 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p1_EAX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L711] 0 int b = 0; [L712] 0 _Bool b$flush_delayed; [L713] 0 int b$mem_tmp; [L714] 0 _Bool b$r_buff0_thd0; [L715] 0 _Bool b$r_buff0_thd1; [L716] 0 _Bool b$r_buff0_thd2; [L717] 0 _Bool b$r_buff0_thd3; [L718] 0 _Bool b$r_buff0_thd4; [L719] 0 _Bool b$r_buff1_thd0; [L720] 0 _Bool b$r_buff1_thd1; [L721] 0 _Bool b$r_buff1_thd2; [L722] 0 _Bool b$r_buff1_thd3; [L723] 0 _Bool b$r_buff1_thd4; [L724] 0 _Bool b$read_delayed; [L725] 0 int *b$read_delayed_var; [L726] 0 int b$w_buff0; [L727] 0 _Bool b$w_buff0_used; [L728] 0 int b$w_buff1; [L729] 0 _Bool b$w_buff1_used; [L730] 0 _Bool main$tmp_guard0; [L731] 0 _Bool main$tmp_guard1; [L733] 0 int x = 0; [L735] 0 int y = 0; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L860] 0 pthread_t t1137; [L861] FCALL, FORK 0 pthread_create(&t1137, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L862] 0 pthread_t t1138; [L863] FCALL, FORK 0 pthread_create(&t1138, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L864] 0 pthread_t t1139; [L865] FCALL, FORK 0 pthread_create(&t1139, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L866] 0 pthread_t t1140; [L867] FCALL, FORK 0 pthread_create(&t1140, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L743] 1 b$w_buff1 = b$w_buff0 [L744] 1 b$w_buff0 = 1 [L745] 1 b$w_buff1_used = b$w_buff0_used [L746] 1 b$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L748] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L749] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L750] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L751] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L752] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L753] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L773] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L776] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L793] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L796] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L799] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L799] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L800] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L800] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L801] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L801] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L802] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L802] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L803] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L803] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 3 return 0; [L779] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L779] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L779] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L779] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L780] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L780] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L781] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L781] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L782] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L782] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L783] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L783] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L813] 4 z = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L816] 4 a = 1 [L819] 4 __unbuffered_p3_EAX = a VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L822] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L823] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L824] 4 b$flush_delayed = weak$$choice2 [L825] 4 b$mem_tmp = b [L826] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L826] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L827] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L827] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L828] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L828] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L828] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L828] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L829] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L829] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L830] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L830] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L831] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L832] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 __unbuffered_p3_EBX = b [L834] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L834] 4 b = b$flush_delayed ? b$mem_tmp : b [L835] 4 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=2] [L759] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L759] EXPR 1 b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b [L759] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L759] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L760] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L760] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L761] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L761] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L762] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L762] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L763] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L763] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 1 return 0; [L838] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L838] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L838] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L838] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L839] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L839] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L840] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L840] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L841] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L841] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L842] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L842] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L845] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L847] 4 return 0; [L869] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L880] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.9s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 557 SDtfs, 619 SDslu, 1149 SDs, 0 SdLazy, 461 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred 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: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 45796 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 incorrect! Received shutdown request...