/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/safe026_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:10:45,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:10:45,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:10:45,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:10:45,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:10:45,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:10:45,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:10:45,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:10:45,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:10:45,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:10:45,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:10:45,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:10:45,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:10:45,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:10:45,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:10:45,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:10:45,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:10:45,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:10:45,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:10:45,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:10:45,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:10:45,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:10:45,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:10:45,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:10:45,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:10:45,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:10:45,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:10:45,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:10:45,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:10:45,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:10:45,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:10:45,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:10:45,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:10:45,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:10:45,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:10:45,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:10:45,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:10:45,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:10:45,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:10:45,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:10:45,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:10:45,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:10:45,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:10:45,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:10:45,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:10:45,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:10:45,142 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:10:45,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:10:45,142 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:10:45,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:10:45,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:10:45,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:10:45,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:10:45,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:10:45,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:10:45,144 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:10:45,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:10:45,145 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:10:45,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:10:45,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:10:45,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:10:45,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:10:45,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:10:45,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:10:45,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:10:45,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:10:45,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:10:45,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:10:45,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:10:45,149 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:10:45,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:10:45,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:10:45,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:10:45,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:10:45,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:10:45,444 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:10:45,444 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_power.opt.i [2020-10-16 12:10:45,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f14818636/4b6dc3a40bc54aabb0f2cc7b64253c15/FLAG9b2dfa887 [2020-10-16 12:10:46,103 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:10:46,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe026_power.opt.i [2020-10-16 12:10:46,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f14818636/4b6dc3a40bc54aabb0f2cc7b64253c15/FLAG9b2dfa887 [2020-10-16 12:10:46,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f14818636/4b6dc3a40bc54aabb0f2cc7b64253c15 [2020-10-16 12:10:46,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:10:46,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:10:46,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:10:46,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:10:46,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:10:46,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:10:46" (1/1) ... [2020-10-16 12:10:46,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7343a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:46, skipping insertion in model container [2020-10-16 12:10:46,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:10:46" (1/1) ... [2020-10-16 12:10:46,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:10:46,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:10:46,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:10:47,010 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:10:47,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:10:47,153 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:10:47,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47 WrapperNode [2020-10-16 12:10:47,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:10:47,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:10:47,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:10:47,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:10:47,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:10:47,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:10:47,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:10:47,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:10:47,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... [2020-10-16 12:10:47,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:10:47,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:10:47,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:10:47,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:10:47,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:10:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:10:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:10:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:10:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:10:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:10:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:10:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:10:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:10:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:10:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:10:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:10:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:10:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:10:47,361 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:10:49,512 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:10:49,512 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:10:49,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:10:49 BoogieIcfgContainer [2020-10-16 12:10:49,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:10:49,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:10:49,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:10:49,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:10:49,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:10:46" (1/3) ... [2020-10-16 12:10:49,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4253d64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:10:49, skipping insertion in model container [2020-10-16 12:10:49,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:47" (2/3) ... [2020-10-16 12:10:49,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4253d64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:10:49, skipping insertion in model container [2020-10-16 12:10:49,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:10:49" (3/3) ... [2020-10-16 12:10:49,531 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_power.opt.i [2020-10-16 12:10:49,544 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:10:49,544 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:10:49,555 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:10:49,556 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:10:49,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,593 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,593 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,594 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,594 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,597 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,598 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,598 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,599 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,601 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,601 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,603 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,603 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,603 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,604 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,605 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,606 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,625 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,626 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,628 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,628 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,628 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,628 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,634 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,636 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:10:49,647 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:10:49,661 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:10:49,685 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:10:49,685 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:10:49,685 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:10:49,686 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:10:49,686 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:10:49,686 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:10:49,686 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:10:49,686 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:10:49,705 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:10:49,706 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 91 transitions, 197 flow [2020-10-16 12:10:49,709 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 91 transitions, 197 flow [2020-10-16 12:10:49,711 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 99 places, 91 transitions, 197 flow [2020-10-16 12:10:49,780 INFO L129 PetriNetUnfolder]: 2/88 cut-off events. [2020-10-16 12:10:49,780 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:10:49,790 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-16 12:10:49,796 INFO L117 LiptonReduction]: Number of co-enabled transitions 1560 [2020-10-16 12:10:51,214 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-16 12:10:51,350 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:10:52,025 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-16 12:10:52,133 INFO L132 LiptonReduction]: Checked pairs total: 3927 [2020-10-16 12:10:52,133 INFO L134 LiptonReduction]: Total number of compositions: 79 [2020-10-16 12:10:52,141 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2020-10-16 12:10:52,203 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 662 states. [2020-10-16 12:10:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states. [2020-10-16 12:10:52,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:10:52,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:52,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:10:52,232 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:52,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:52,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1041010, now seen corresponding path program 1 times [2020-10-16 12:10:52,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:52,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123516556] [2020-10-16 12:10:52,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:10:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:10:52,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123516556] [2020-10-16 12:10:52,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:10:52,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:10:52,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809645208] [2020-10-16 12:10:52,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:10:52,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:10:52,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:10:52,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:10:52,504 INFO L87 Difference]: Start difference. First operand 662 states. Second operand 3 states. [2020-10-16 12:10:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:10:52,594 INFO L93 Difference]: Finished difference Result 552 states and 1697 transitions. [2020-10-16 12:10:52,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:10:52,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:10:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:10:52,618 INFO L225 Difference]: With dead ends: 552 [2020-10-16 12:10:52,619 INFO L226 Difference]: Without dead ends: 452 [2020-10-16 12:10:52,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:10:52,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-10-16 12:10:52,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2020-10-16 12:10:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-10-16 12:10:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 1362 transitions. [2020-10-16 12:10:52,703 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 1362 transitions. Word has length 3 [2020-10-16 12:10:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:10:52,704 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 1362 transitions. [2020-10-16 12:10:52,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:10:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1362 transitions. [2020-10-16 12:10:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:10:52,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:52,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:10:52,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:10:52,707 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:52,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:52,707 INFO L82 PathProgramCache]: Analyzing trace with hash 2081192626, now seen corresponding path program 1 times [2020-10-16 12:10:52,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:52,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105967322] [2020-10-16 12:10:52,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:10:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:10:52,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105967322] [2020-10-16 12:10:52,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:10:52,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:10:52,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216798662] [2020-10-16 12:10:52,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:10:52,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:10:52,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:10:52,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:10:52,797 INFO L87 Difference]: Start difference. First operand 452 states and 1362 transitions. Second operand 3 states. [2020-10-16 12:10:52,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:10:52,811 INFO L93 Difference]: Finished difference Result 442 states and 1324 transitions. [2020-10-16 12:10:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:10:52,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:10:52,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:10:52,819 INFO L225 Difference]: With dead ends: 442 [2020-10-16 12:10:52,819 INFO L226 Difference]: Without dead ends: 442 [2020-10-16 12:10:52,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:10:52,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-16 12:10:52,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2020-10-16 12:10:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-16 12:10:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 1324 transitions. [2020-10-16 12:10:52,872 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 1324 transitions. Word has length 9 [2020-10-16 12:10:52,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:10:52,873 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 1324 transitions. [2020-10-16 12:10:52,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:10:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1324 transitions. [2020-10-16 12:10:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:10:52,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:52,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:10:52,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:10:52,880 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:52,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:52,880 INFO L82 PathProgramCache]: Analyzing trace with hash 120337590, now seen corresponding path program 1 times [2020-10-16 12:10:52,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:52,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467131330] [2020-10-16 12:10:52,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:10:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:10:53,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467131330] [2020-10-16 12:10:53,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:10:53,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:10:53,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704588888] [2020-10-16 12:10:53,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:10:53,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:10:53,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:10:53,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:10:53,014 INFO L87 Difference]: Start difference. First operand 442 states and 1324 transitions. Second operand 3 states. [2020-10-16 12:10:53,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:10:53,032 INFO L93 Difference]: Finished difference Result 424 states and 1261 transitions. [2020-10-16 12:10:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:10:53,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 12:10:53,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:10:53,037 INFO L225 Difference]: With dead ends: 424 [2020-10-16 12:10:53,037 INFO L226 Difference]: Without dead ends: 424 [2020-10-16 12:10:53,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:10:53,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-16 12:10:53,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2020-10-16 12:10:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-16 12:10:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 1261 transitions. [2020-10-16 12:10:53,057 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 1261 transitions. Word has length 10 [2020-10-16 12:10:53,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:10:53,058 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 1261 transitions. [2020-10-16 12:10:53,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:10:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 1261 transitions. [2020-10-16 12:10:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:10:53,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:53,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:10:53,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:10:53,061 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:53,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:53,061 INFO L82 PathProgramCache]: Analyzing trace with hash -564502388, now seen corresponding path program 1 times [2020-10-16 12:10:53,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:53,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583154688] [2020-10-16 12:10:53,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:10:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:10:53,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583154688] [2020-10-16 12:10:53,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:10:53,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:10:53,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803857656] [2020-10-16 12:10:53,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:10:53,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:10:53,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:10:53,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:10:53,150 INFO L87 Difference]: Start difference. First operand 424 states and 1261 transitions. Second operand 4 states. [2020-10-16 12:10:53,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:10:53,201 INFO L93 Difference]: Finished difference Result 398 states and 1040 transitions. [2020-10-16 12:10:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:10:53,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 12:10:53,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:10:53,204 INFO L225 Difference]: With dead ends: 398 [2020-10-16 12:10:53,204 INFO L226 Difference]: Without dead ends: 298 [2020-10-16 12:10:53,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:10:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-16 12:10:53,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-16 12:10:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-16 12:10:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 757 transitions. [2020-10-16 12:10:53,215 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 757 transitions. Word has length 11 [2020-10-16 12:10:53,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:10:53,215 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 757 transitions. [2020-10-16 12:10:53,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:10:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 757 transitions. [2020-10-16 12:10:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:10:53,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:53,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:10:53,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:10:53,218 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:53,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:53,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1455716521, now seen corresponding path program 1 times [2020-10-16 12:10:53,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:53,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330919977] [2020-10-16 12:10:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:10:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:10:53,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330919977] [2020-10-16 12:10:53,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:10:53,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:10:53,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886701763] [2020-10-16 12:10:53,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:10:53,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:10:53,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:10:53,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:10:53,339 INFO L87 Difference]: Start difference. First operand 298 states and 757 transitions. Second operand 5 states. [2020-10-16 12:10:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:10:53,393 INFO L93 Difference]: Finished difference Result 239 states and 555 transitions. [2020-10-16 12:10:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:10:53,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-16 12:10:53,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:10:53,395 INFO L225 Difference]: With dead ends: 239 [2020-10-16 12:10:53,395 INFO L226 Difference]: Without dead ends: 187 [2020-10-16 12:10:53,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:10:53,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-16 12:10:53,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-16 12:10:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-16 12:10:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 424 transitions. [2020-10-16 12:10:53,402 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 424 transitions. Word has length 13 [2020-10-16 12:10:53,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:10:53,402 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 424 transitions. [2020-10-16 12:10:53,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:10:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 424 transitions. [2020-10-16 12:10:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:10:53,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:53,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:10:53,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:10:53,405 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:53,405 INFO L82 PathProgramCache]: Analyzing trace with hash -2097258357, now seen corresponding path program 1 times [2020-10-16 12:10:53,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:53,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132383664] [2020-10-16 12:10:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:10:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:10:53,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132383664] [2020-10-16 12:10:53,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:10:53,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:10:53,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061356543] [2020-10-16 12:10:53,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:10:53,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:10:53,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:10:53,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:10:53,599 INFO L87 Difference]: Start difference. First operand 187 states and 424 transitions. Second operand 6 states. [2020-10-16 12:10:53,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:10:53,669 INFO L93 Difference]: Finished difference Result 167 states and 382 transitions. [2020-10-16 12:10:53,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:10:53,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-16 12:10:53,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:10:53,671 INFO L225 Difference]: With dead ends: 167 [2020-10-16 12:10:53,671 INFO L226 Difference]: Without dead ends: 155 [2020-10-16 12:10:53,672 INFO L677 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 [2020-10-16 12:10:53,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-16 12:10:53,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-10-16 12:10:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-16 12:10:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 360 transitions. [2020-10-16 12:10:53,677 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 360 transitions. Word has length 16 [2020-10-16 12:10:53,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:10:53,677 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 360 transitions. [2020-10-16 12:10:53,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:10:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 360 transitions. [2020-10-16 12:10:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:10:53,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:53,679 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] [2020-10-16 12:10:53,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:10:53,679 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:53,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:53,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1630147778, now seen corresponding path program 1 times [2020-10-16 12:10:53,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:53,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666370785] [2020-10-16 12:10:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:10:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:10:53,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666370785] [2020-10-16 12:10:53,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:10:53,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:10:53,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919390455] [2020-10-16 12:10:53,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:10:53,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:10:53,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:10:53,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:10:53,904 INFO L87 Difference]: Start difference. First operand 155 states and 360 transitions. Second operand 7 states. [2020-10-16 12:10:54,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:10:54,118 INFO L93 Difference]: Finished difference Result 181 states and 408 transitions. [2020-10-16 12:10:54,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:10:54,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-16 12:10:54,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:10:54,120 INFO L225 Difference]: With dead ends: 181 [2020-10-16 12:10:54,120 INFO L226 Difference]: Without dead ends: 119 [2020-10-16 12:10:54,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:10:54,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-16 12:10:54,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-10-16 12:10:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-16 12:10:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 264 transitions. [2020-10-16 12:10:54,124 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 264 transitions. Word has length 20 [2020-10-16 12:10:54,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:10:54,124 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 264 transitions. [2020-10-16 12:10:54,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:10:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 264 transitions. [2020-10-16 12:10:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:10:54,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:10:54,125 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] [2020-10-16 12:10:54,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:10:54,126 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:10:54,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:10:54,126 INFO L82 PathProgramCache]: Analyzing trace with hash -436750594, now seen corresponding path program 2 times [2020-10-16 12:10:54,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:10:54,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266622320] [2020-10-16 12:10:54,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:10:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:10:54,218 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:10:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:10:54,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:10:54,373 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:10:54,374 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:10:54,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:10:54,375 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:10:54,398 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1008] [1008] L826-->L833: Formula: (let ((.cse6 (= (mod ~y$r_buff0_thd0~0_In333460896 256) 0)) (.cse7 (= (mod ~y$w_buff0_used~0_In333460896 256) 0)) (.cse9 (= (mod ~y$r_buff1_thd0~0_In333460896 256) 0)) (.cse8 (= (mod ~y$w_buff1_used~0_In333460896 256) 0))) (let ((.cse2 (or .cse9 .cse8)) (.cse3 (not .cse9)) (.cse4 (not .cse8)) (.cse0 (not .cse7)) (.cse1 (not .cse6)) (.cse5 (or .cse6 .cse7))) (and (= ~y$r_buff0_thd0~0_In333460896 ~y$r_buff0_thd0~0_Out333460896) (or (and (= ~y$w_buff0~0_In333460896 ~y~0_Out333460896) .cse0 .cse1) (and (or (and (= ~y~0_Out333460896 ~y~0_In333460896) .cse2) (and .cse3 (= ~y~0_Out333460896 ~y$w_buff1~0_In333460896) .cse4)) .cse5)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out333460896 |ULTIMATE.start_assume_abort_if_not_#in~cond_In333460896|) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out333460896 0)) (or (and (= ~y$w_buff1_used~0_Out333460896 ~y$w_buff1_used~0_In333460896) .cse2) (and (= ~y$w_buff1_used~0_Out333460896 0) .cse3 .cse4)) (or (and (= ~y$w_buff0_used~0_Out333460896 0) .cse0 .cse1) (and (= ~y$w_buff0_used~0_Out333460896 ~y$w_buff0_used~0_In333460896) .cse5)) (= ~y$r_buff1_thd0~0_In333460896 ~y$r_buff1_thd0~0_Out333460896)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In333460896|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In333460896, ~y$w_buff1~0=~y$w_buff1~0_In333460896, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In333460896, ~y$w_buff0~0=~y$w_buff0~0_In333460896, ~y~0=~y~0_In333460896, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In333460896, ~y$w_buff1_used~0=~y$w_buff1_used~0_In333460896} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out333460896, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out333460896|, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out333460896|, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out333460896|, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out333460896|, ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out333460896|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In333460896|, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out333460896|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out333460896, ~y$w_buff1~0=~y$w_buff1~0_In333460896, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out333460896, ~y$w_buff0~0=~y$w_buff0~0_In333460896, ~y~0=~y~0_Out333460896, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out333460896, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out333460896} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50, ULTIMATE.start_main_#t~ite51, ULTIMATE.start_assume_abort_if_not_~cond, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite47, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite49, ULTIMATE.start_main_#t~ite48, ~y~0, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-16 12:10:54,404 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,404 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,411 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,411 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,411 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,412 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,416 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,416 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,416 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,416 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,417 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,417 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,417 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,418 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,418 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,418 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,419 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,419 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,420 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,420 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,421 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,421 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,421 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,422 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,422 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,422 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,428 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,428 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,428 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,429 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,429 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,431 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,431 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,431 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,432 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,432 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,432 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,433 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,433 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,433 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,433 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,433 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,434 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,434 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,434 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,434 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,434 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:10:54,434 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:10:54,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:10:54 BasicIcfg [2020-10-16 12:10:54,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:10:54,489 INFO L168 Benchmark]: Toolchain (without parser) took 8075.90 ms. Allocated memory was 140.0 MB in the beginning and 332.9 MB in the end (delta: 192.9 MB). Free memory was 101.7 MB in the beginning and 252.8 MB in the end (delta: -151.1 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:10:54,490 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 12:10:54,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.11 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 157.6 MB in the end (delta: -56.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:10:54,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.81 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 154.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:10:54,492 INFO L168 Benchmark]: Boogie Preprocessor took 65.47 ms. Allocated memory is still 203.4 MB. Free memory was 154.9 MB in the beginning and 152.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:10:54,493 INFO L168 Benchmark]: RCFGBuilder took 2233.78 ms. Allocated memory was 203.4 MB in the beginning and 248.0 MB in the end (delta: 44.6 MB). Free memory was 152.2 MB in the beginning and 174.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:10:54,494 INFO L168 Benchmark]: TraceAbstraction took 4968.33 ms. Allocated memory was 248.0 MB in the beginning and 332.9 MB in the end (delta: 84.9 MB). Free memory was 174.3 MB in the beginning and 252.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:10:54,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.11 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 157.6 MB in the end (delta: -56.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.81 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 154.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.47 ms. Allocated memory is still 203.4 MB. Free memory was 154.9 MB in the beginning and 152.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2233.78 ms. Allocated memory was 203.4 MB in the beginning and 248.0 MB in the end (delta: 44.6 MB). Free memory was 152.2 MB in the beginning and 174.3 MB in the end (delta: -22.1 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4968.33 ms. Allocated memory was 248.0 MB in the beginning and 332.9 MB in the end (delta: 84.9 MB). Free memory was 174.3 MB in the beginning and 252.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 822 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 56 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.4s, 99 PlacesBefore, 35 PlacesAfterwards, 91 TransitionsBefore, 25 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 79 TotalNumberOfCompositions, 3927 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p2_EAX = 0; [L702] 0 int __unbuffered_p2_EBX = 0; [L703] 0 _Bool main$tmp_guard0; [L704] 0 _Bool main$tmp_guard1; [L706] 0 int x = 0; [L708] 0 int y = 0; [L709] 0 _Bool y$flush_delayed; [L710] 0 int y$mem_tmp; [L711] 0 _Bool y$r_buff0_thd0; [L712] 0 _Bool y$r_buff0_thd1; [L713] 0 _Bool y$r_buff0_thd2; [L714] 0 _Bool y$r_buff0_thd3; [L715] 0 _Bool y$r_buff1_thd0; [L716] 0 _Bool y$r_buff1_thd1; [L717] 0 _Bool y$r_buff1_thd2; [L718] 0 _Bool y$r_buff1_thd3; [L719] 0 _Bool y$read_delayed; [L720] 0 int *y$read_delayed_var; [L721] 0 int y$w_buff0; [L722] 0 _Bool y$w_buff0_used; [L723] 0 int y$w_buff1; [L724] 0 _Bool y$w_buff1_used; [L725] 0 _Bool weak$$choice0; [L726] 0 _Bool weak$$choice2; [L817] 0 pthread_t t2396; [L818] FCALL, FORK 0 pthread_create(&t2396, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L730] 1 y$w_buff1 = y$w_buff0 [L731] 1 y$w_buff0 = 1 [L732] 1 y$w_buff1_used = y$w_buff0_used [L733] 1 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L735] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L736] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L737] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L738] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L739] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L819] 0 pthread_t t2397; [L742] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L820] FCALL, FORK 0 pthread_create(&t2397, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L821] 0 pthread_t t2398; [L759] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L763] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L764] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L765] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L766] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 2 return 0; [L822] FCALL, FORK 0 pthread_create(&t2398, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L776] 3 __unbuffered_p2_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L779] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L780] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L781] 3 y$flush_delayed = weak$$choice2 [L782] 3 y$mem_tmp = y [L783] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L783] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L784] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L784] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L784] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0 [L784] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L784] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L784] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L785] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L785] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L785] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1 [L785] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L785] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L785] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L786] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L786] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L787] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L788] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L788] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L789] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] 3 __unbuffered_p2_EBX = y [L791] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L791] 3 y = y$flush_delayed ? y$mem_tmp : y [L792] 3 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L795] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L795] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L796] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L796] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L797] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L797] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L798] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L798] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L799] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L802] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L804] 3 return 0; [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L745] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L746] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L747] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L748] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L749] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L752] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L754] 1 return 0; [L824] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L835] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 90 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 160 SDtfs, 173 SDslu, 281 SDs, 0 SdLazy, 150 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=662occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 5758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...