/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/mix013_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:58:47,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:58:47,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:58:47,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:58:47,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:58:47,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:58:47,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:58:47,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:58:47,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:58:47,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:58:47,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:58:47,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:58:47,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:58:47,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:58:47,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:58:47,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:58:47,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:58:47,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:58:47,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:58:47,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:58:47,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:58:47,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:58:47,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:58:47,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:58:47,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 11:58:47,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 11:58:47,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 11:58:47,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 11:58:47,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 11:58:47,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 11:58:47,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:58:47,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:58:47,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:58:47,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:58:47,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:58:47,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:58:47,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:58:47,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:58:47,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:58:47,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:58:47,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:58:47,235 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 11:58:47,280 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:58:47,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:58:47,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:58:47,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:58:47,283 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:58:47,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:58:47,284 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:58:47,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:58:47,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:58:47,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:58:47,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:58:47,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:58:47,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:58:47,287 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:58:47,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:58:47,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:58:47,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:58:47,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:58:47,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:58:47,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:58:47,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:58:47,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:58:47,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:58:47,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:58:47,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:58:47,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:58:47,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:58:47,289 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:58:47,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:58:47,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:58:47,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:58:47,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:58:47,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:58:47,591 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:58:47,592 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013_rmo.oepc.i [2020-10-16 11:58:47,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e4d7e208/e9df15c10ff74fcabe9d1c5033b31d8e/FLAG237943bee [2020-10-16 11:58:48,221 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:58:48,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix013_rmo.oepc.i [2020-10-16 11:58:48,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e4d7e208/e9df15c10ff74fcabe9d1c5033b31d8e/FLAG237943bee [2020-10-16 11:58:48,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e4d7e208/e9df15c10ff74fcabe9d1c5033b31d8e [2020-10-16 11:58:48,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:58:48,548 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:58:48,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:58:48,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:58:48,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:58:48,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:58:48" (1/1) ... [2020-10-16 11:58:48,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2458d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:48, skipping insertion in model container [2020-10-16 11:58:48,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:58:48" (1/1) ... [2020-10-16 11:58:48,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:58:48,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:58:49,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:58:49,178 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:58:49,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:58:49,340 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:58:49,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49 WrapperNode [2020-10-16 11:58:49,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:58:49,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:58:49,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:58:49,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:58:49,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:58:49,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:58:49,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:58:49,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:58:49,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (1/1) ... [2020-10-16 11:58:49,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:58:49,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:58:49,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:58:49,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:58:49,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (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 11:58:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:58:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:58:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:58:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:58:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 11:58:49,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 11:58:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 11:58:49,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 11:58:49,569 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 11:58:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 11:58:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 11:58:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 11:58:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:58:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:58:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:58:49,576 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 11:58:51,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:58:51,938 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 11:58:51,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:58:51 BoogieIcfgContainer [2020-10-16 11:58:51,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:58:51,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:58:51,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:58:51,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:58:51,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:58:48" (1/3) ... [2020-10-16 11:58:51,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd71dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:58:51, skipping insertion in model container [2020-10-16 11:58:51,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:58:49" (2/3) ... [2020-10-16 11:58:51,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd71dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:58:51, skipping insertion in model container [2020-10-16 11:58:51,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:58:51" (3/3) ... [2020-10-16 11:58:51,950 INFO L111 eAbstractionObserver]: Analyzing ICFG mix013_rmo.oepc.i [2020-10-16 11:58:51,962 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:58:51,963 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:58:51,972 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:58:51,973 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:58:52,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,022 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,022 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,022 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,023 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,026 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,026 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,029 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,029 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,032 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,032 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,032 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,032 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,033 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,033 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,033 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,033 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,033 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,034 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,035 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,036 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,037 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,048 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,049 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,049 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,062 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,062 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,062 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,065 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,065 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:58:52,072 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:58:52,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 11:58:52,108 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:58:52,108 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:58:52,108 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:58:52,108 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:58:52,108 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:58:52,109 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:58:52,109 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:58:52,109 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:58:52,124 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:58:52,125 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 252 flow [2020-10-16 11:58:52,128 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 252 flow [2020-10-16 11:58:52,130 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2020-10-16 11:58:52,183 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2020-10-16 11:58:52,183 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:58:52,191 INFO L80 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-16 11:58:52,199 INFO L117 LiptonReduction]: Number of co-enabled transitions 2832 [2020-10-16 11:58:53,689 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-16 11:58:54,750 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-16 11:58:54,880 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-16 11:58:54,891 INFO L132 LiptonReduction]: Checked pairs total: 8965 [2020-10-16 11:58:54,892 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 11:58:54,898 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 38 transitions, 96 flow [2020-10-16 11:58:55,525 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8006 states. [2020-10-16 11:58:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 8006 states. [2020-10-16 11:58:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 11:58:55,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:55,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 11:58:55,560 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:55,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:55,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1204443, now seen corresponding path program 1 times [2020-10-16 11:58:55,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:55,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278845139] [2020-10-16 11:58:55,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:55,833 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 11:58:55,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278845139] [2020-10-16 11:58:55,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:55,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:58:55,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986351708] [2020-10-16 11:58:55,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:58:55,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:55,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:58:55,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:58:55,860 INFO L87 Difference]: Start difference. First operand 8006 states. Second operand 3 states. [2020-10-16 11:58:56,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:56,050 INFO L93 Difference]: Finished difference Result 6672 states and 27188 transitions. [2020-10-16 11:58:56,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:58:56,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 11:58:56,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:56,121 INFO L225 Difference]: With dead ends: 6672 [2020-10-16 11:58:56,121 INFO L226 Difference]: Without dead ends: 4872 [2020-10-16 11:58:56,123 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 11:58:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2020-10-16 11:58:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4872. [2020-10-16 11:58:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4872 states. [2020-10-16 11:58:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 19508 transitions. [2020-10-16 11:58:56,564 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 19508 transitions. Word has length 3 [2020-10-16 11:58:56,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:56,564 INFO L481 AbstractCegarLoop]: Abstraction has 4872 states and 19508 transitions. [2020-10-16 11:58:56,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:58:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 19508 transitions. [2020-10-16 11:58:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 11:58:56,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:56,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:56,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:58:56,576 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:56,577 INFO L82 PathProgramCache]: Analyzing trace with hash -108539840, now seen corresponding path program 1 times [2020-10-16 11:58:56,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:56,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518938615] [2020-10-16 11:58:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:56,728 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 11:58:56,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518938615] [2020-10-16 11:58:56,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:56,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:58:56,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356407264] [2020-10-16 11:58:56,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:58:56,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:56,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:58:56,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:58:56,732 INFO L87 Difference]: Start difference. First operand 4872 states and 19508 transitions. Second operand 4 states. [2020-10-16 11:58:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:56,808 INFO L93 Difference]: Finished difference Result 5172 states and 20088 transitions. [2020-10-16 11:58:56,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:58:56,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 11:58:56,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:56,851 INFO L225 Difference]: With dead ends: 5172 [2020-10-16 11:58:56,851 INFO L226 Difference]: Without dead ends: 4272 [2020-10-16 11:58:56,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 11:58:56,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4272 states. [2020-10-16 11:58:56,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4272 to 4272. [2020-10-16 11:58:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2020-10-16 11:58:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 16848 transitions. [2020-10-16 11:58:57,038 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 16848 transitions. Word has length 12 [2020-10-16 11:58:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:57,039 INFO L481 AbstractCegarLoop]: Abstraction has 4272 states and 16848 transitions. [2020-10-16 11:58:57,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:58:57,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 16848 transitions. [2020-10-16 11:58:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:58:57,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:57,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:57,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:58:57,043 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:57,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:57,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1704512747, now seen corresponding path program 1 times [2020-10-16 11:58:57,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:57,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658143245] [2020-10-16 11:58:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:57,144 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 11:58:57,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658143245] [2020-10-16 11:58:57,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:57,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:58:57,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576615273] [2020-10-16 11:58:57,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:58:57,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:57,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:58:57,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:58:57,147 INFO L87 Difference]: Start difference. First operand 4272 states and 16848 transitions. Second operand 4 states. [2020-10-16 11:58:57,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:57,262 INFO L93 Difference]: Finished difference Result 4472 states and 17218 transitions. [2020-10-16 11:58:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:58:57,262 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 11:58:57,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:57,317 INFO L225 Difference]: With dead ends: 4472 [2020-10-16 11:58:57,317 INFO L226 Difference]: Without dead ends: 3872 [2020-10-16 11:58:57,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 11:58:57,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2020-10-16 11:58:57,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3872. [2020-10-16 11:58:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3872 states. [2020-10-16 11:58:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 15108 transitions. [2020-10-16 11:58:57,467 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 15108 transitions. Word has length 14 [2020-10-16 11:58:57,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:57,467 INFO L481 AbstractCegarLoop]: Abstraction has 3872 states and 15108 transitions. [2020-10-16 11:58:57,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:58:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 15108 transitions. [2020-10-16 11:58:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 11:58:57,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:57,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:57,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:58:57,473 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:57,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:57,473 INFO L82 PathProgramCache]: Analyzing trace with hash 564797926, now seen corresponding path program 1 times [2020-10-16 11:58:57,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:57,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171287064] [2020-10-16 11:58:57,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:58,066 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 11:58:58,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171287064] [2020-10-16 11:58:58,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:58,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:58:58,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166449642] [2020-10-16 11:58:58,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:58:58,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:58,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:58:58,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:58:58,072 INFO L87 Difference]: Start difference. First operand 3872 states and 15108 transitions. Second operand 4 states. [2020-10-16 11:58:58,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:58,168 INFO L93 Difference]: Finished difference Result 3684 states and 13008 transitions. [2020-10-16 11:58:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:58:58,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-16 11:58:58,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:58,180 INFO L225 Difference]: With dead ends: 3684 [2020-10-16 11:58:58,180 INFO L226 Difference]: Without dead ends: 2784 [2020-10-16 11:58:58,180 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 11:58:58,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2020-10-16 11:58:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2020-10-16 11:58:58,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2784 states. [2020-10-16 11:58:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 9668 transitions. [2020-10-16 11:58:58,257 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 9668 transitions. Word has length 16 [2020-10-16 11:58:58,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:58,257 INFO L481 AbstractCegarLoop]: Abstraction has 2784 states and 9668 transitions. [2020-10-16 11:58:58,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:58:58,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 9668 transitions. [2020-10-16 11:58:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 11:58:58,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:58,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:58,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:58:58,262 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:58,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:58,263 INFO L82 PathProgramCache]: Analyzing trace with hash -792544096, now seen corresponding path program 1 times [2020-10-16 11:58:58,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:58,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459027979] [2020-10-16 11:58:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:58,450 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 11:58:58,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459027979] [2020-10-16 11:58:58,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:58,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:58:58,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041938781] [2020-10-16 11:58:58,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:58:58,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:58:58,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:58:58,453 INFO L87 Difference]: Start difference. First operand 2784 states and 9668 transitions. Second operand 5 states. [2020-10-16 11:58:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:58,518 INFO L93 Difference]: Finished difference Result 2228 states and 7144 transitions. [2020-10-16 11:58:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:58:58,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-16 11:58:58,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:58,525 INFO L225 Difference]: With dead ends: 2228 [2020-10-16 11:58:58,525 INFO L226 Difference]: Without dead ends: 1728 [2020-10-16 11:58:58,526 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 11:58:58,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2020-10-16 11:58:58,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2020-10-16 11:58:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2020-10-16 11:58:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 5444 transitions. [2020-10-16 11:58:58,570 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 5444 transitions. Word has length 19 [2020-10-16 11:58:58,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:58,570 INFO L481 AbstractCegarLoop]: Abstraction has 1728 states and 5444 transitions. [2020-10-16 11:58:58,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:58:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 5444 transitions. [2020-10-16 11:58:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 11:58:58,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:58,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:58,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:58:58,575 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:58,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:58,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1907801305, now seen corresponding path program 1 times [2020-10-16 11:58:58,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:58,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539317231] [2020-10-16 11:58:58,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:58,718 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 11:58:58,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539317231] [2020-10-16 11:58:58,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:58,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:58:58,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041758495] [2020-10-16 11:58:58,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:58:58,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:58,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:58:58,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:58:58,720 INFO L87 Difference]: Start difference. First operand 1728 states and 5444 transitions. Second operand 6 states. [2020-10-16 11:58:58,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:58,800 INFO L93 Difference]: Finished difference Result 1480 states and 4661 transitions. [2020-10-16 11:58:58,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:58:58,801 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-16 11:58:58,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:58,804 INFO L225 Difference]: With dead ends: 1480 [2020-10-16 11:58:58,804 INFO L226 Difference]: Without dead ends: 1340 [2020-10-16 11:58:58,808 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 11:58:58,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2020-10-16 11:58:58,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2020-10-16 11:58:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-10-16 11:58:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 4280 transitions. [2020-10-16 11:58:58,862 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 4280 transitions. Word has length 22 [2020-10-16 11:58:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:58,862 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 4280 transitions. [2020-10-16 11:58:58,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:58:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 4280 transitions. [2020-10-16 11:58:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:58:58,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:58,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:58,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:58:58,867 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:58,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:58,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2029790107, now seen corresponding path program 1 times [2020-10-16 11:58:58,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:58,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74968799] [2020-10-16 11:58:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:59,032 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 11:58:59,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74968799] [2020-10-16 11:58:59,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:59,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:58:59,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572352196] [2020-10-16 11:58:59,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:58:59,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:59,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:58:59,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:58:59,035 INFO L87 Difference]: Start difference. First operand 1340 states and 4280 transitions. Second operand 5 states. [2020-10-16 11:58:59,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:59,075 INFO L93 Difference]: Finished difference Result 2021 states and 6333 transitions. [2020-10-16 11:58:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:58:59,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-16 11:58:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:59,080 INFO L225 Difference]: With dead ends: 2021 [2020-10-16 11:58:59,081 INFO L226 Difference]: Without dead ends: 1346 [2020-10-16 11:58:59,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:58:59,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2020-10-16 11:58:59,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1340. [2020-10-16 11:58:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-10-16 11:58:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 4068 transitions. [2020-10-16 11:58:59,115 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 4068 transitions. Word has length 26 [2020-10-16 11:58:59,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:59,115 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 4068 transitions. [2020-10-16 11:58:59,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:58:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 4068 transitions. [2020-10-16 11:58:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:58:59,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:59,125 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, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:59,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:58:59,126 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:59,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:59,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1085948314, now seen corresponding path program 1 times [2020-10-16 11:58:59,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:59,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110710347] [2020-10-16 11:58:59,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:59,315 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 11:58:59,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110710347] [2020-10-16 11:58:59,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:59,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:58:59,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116358683] [2020-10-16 11:58:59,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 11:58:59,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:59,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 11:58:59,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-16 11:58:59,319 INFO L87 Difference]: Start difference. First operand 1340 states and 4068 transitions. Second operand 10 states. [2020-10-16 11:58:59,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:58:59,609 INFO L93 Difference]: Finished difference Result 2167 states and 6317 transitions. [2020-10-16 11:58:59,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 11:58:59,610 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-10-16 11:58:59,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:58:59,617 INFO L225 Difference]: With dead ends: 2167 [2020-10-16 11:58:59,617 INFO L226 Difference]: Without dead ends: 1572 [2020-10-16 11:58:59,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-16 11:58:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2020-10-16 11:58:59,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1338. [2020-10-16 11:58:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2020-10-16 11:58:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 3881 transitions. [2020-10-16 11:58:59,664 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 3881 transitions. Word has length 26 [2020-10-16 11:58:59,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:58:59,669 INFO L481 AbstractCegarLoop]: Abstraction has 1338 states and 3881 transitions. [2020-10-16 11:58:59,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 11:58:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 3881 transitions. [2020-10-16 11:58:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:58:59,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:58:59,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:58:59,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:58:59,677 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:58:59,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:58:59,678 INFO L82 PathProgramCache]: Analyzing trace with hash 10834648, now seen corresponding path program 2 times [2020-10-16 11:58:59,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:58:59,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066929858] [2020-10-16 11:58:59,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:58:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:58:59,811 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 11:58:59,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066929858] [2020-10-16 11:58:59,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:58:59,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 11:58:59,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30375818] [2020-10-16 11:58:59,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 11:58:59,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:58:59,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 11:58:59,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-16 11:58:59,814 INFO L87 Difference]: Start difference. First operand 1338 states and 3881 transitions. Second operand 10 states. [2020-10-16 11:59:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:00,033 INFO L93 Difference]: Finished difference Result 1585 states and 4406 transitions. [2020-10-16 11:59:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 11:59:00,033 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-10-16 11:59:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:00,040 INFO L225 Difference]: With dead ends: 1585 [2020-10-16 11:59:00,040 INFO L226 Difference]: Without dead ends: 1370 [2020-10-16 11:59:00,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-16 11:59:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-10-16 11:59:00,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1248. [2020-10-16 11:59:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2020-10-16 11:59:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 3635 transitions. [2020-10-16 11:59:00,074 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 3635 transitions. Word has length 26 [2020-10-16 11:59:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:00,075 INFO L481 AbstractCegarLoop]: Abstraction has 1248 states and 3635 transitions. [2020-10-16 11:59:00,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 11:59:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 3635 transitions. [2020-10-16 11:59:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:59:00,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:00,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:00,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:59:00,081 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:00,081 INFO L82 PathProgramCache]: Analyzing trace with hash 68200076, now seen corresponding path program 3 times [2020-10-16 11:59:00,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:00,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41538689] [2020-10-16 11:59:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:00,252 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 11:59:00,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41538689] [2020-10-16 11:59:00,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:00,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:59:00,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955863222] [2020-10-16 11:59:00,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:59:00,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:00,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:59:00,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:59:00,254 INFO L87 Difference]: Start difference. First operand 1248 states and 3635 transitions. Second operand 7 states. [2020-10-16 11:59:00,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:00,326 INFO L93 Difference]: Finished difference Result 1203 states and 3544 transitions. [2020-10-16 11:59:00,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 11:59:00,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-16 11:59:00,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:00,330 INFO L225 Difference]: With dead ends: 1203 [2020-10-16 11:59:00,330 INFO L226 Difference]: Without dead ends: 864 [2020-10-16 11:59:00,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:59:00,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-16 11:59:00,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2020-10-16 11:59:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2020-10-16 11:59:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 2539 transitions. [2020-10-16 11:59:00,355 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 2539 transitions. Word has length 26 [2020-10-16 11:59:00,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:00,355 INFO L481 AbstractCegarLoop]: Abstraction has 864 states and 2539 transitions. [2020-10-16 11:59:00,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:59:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2539 transitions. [2020-10-16 11:59:00,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-16 11:59:00,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:00,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:00,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 11:59:00,360 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:00,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:00,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1824474360, now seen corresponding path program 1 times [2020-10-16 11:59:00,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:00,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291791058] [2020-10-16 11:59:00,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:00,486 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 11:59:00,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291791058] [2020-10-16 11:59:00,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:00,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:59:00,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629203593] [2020-10-16 11:59:00,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:59:00,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:00,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:59:00,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:59:00,489 INFO L87 Difference]: Start difference. First operand 864 states and 2539 transitions. Second operand 5 states. [2020-10-16 11:59:00,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:00,527 INFO L93 Difference]: Finished difference Result 882 states and 2564 transitions. [2020-10-16 11:59:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:59:00,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-16 11:59:00,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:00,530 INFO L225 Difference]: With dead ends: 882 [2020-10-16 11:59:00,530 INFO L226 Difference]: Without dead ends: 656 [2020-10-16 11:59:00,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:59:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-16 11:59:00,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2020-10-16 11:59:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-16 11:59:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1932 transitions. [2020-10-16 11:59:00,548 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1932 transitions. Word has length 30 [2020-10-16 11:59:00,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:00,549 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 1932 transitions. [2020-10-16 11:59:00,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:59:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1932 transitions. [2020-10-16 11:59:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-16 11:59:00,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:00,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:00,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 11:59:00,552 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:00,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:00,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1450012286, now seen corresponding path program 2 times [2020-10-16 11:59:00,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:00,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141101568] [2020-10-16 11:59:00,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:59:01,039 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 11:59:01,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141101568] [2020-10-16 11:59:01,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:59:01,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 11:59:01,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615571638] [2020-10-16 11:59:01,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 11:59:01,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:59:01,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 11:59:01,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-16 11:59:01,041 INFO L87 Difference]: Start difference. First operand 656 states and 1932 transitions. Second operand 9 states. [2020-10-16 11:59:01,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:59:01,289 INFO L93 Difference]: Finished difference Result 942 states and 2707 transitions. [2020-10-16 11:59:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:59:01,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-10-16 11:59:01,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:59:01,292 INFO L225 Difference]: With dead ends: 942 [2020-10-16 11:59:01,292 INFO L226 Difference]: Without dead ends: 551 [2020-10-16 11:59:01,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-16 11:59:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-10-16 11:59:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 376. [2020-10-16 11:59:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-16 11:59:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 974 transitions. [2020-10-16 11:59:01,304 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 974 transitions. Word has length 30 [2020-10-16 11:59:01,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:59:01,305 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 974 transitions. [2020-10-16 11:59:01,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 11:59:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 974 transitions. [2020-10-16 11:59:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-16 11:59:01,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:59:01,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:59:01,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 11:59:01,308 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:59:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:59:01,308 INFO L82 PathProgramCache]: Analyzing trace with hash -283348478, now seen corresponding path program 3 times [2020-10-16 11:59:01,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:59:01,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485290381] [2020-10-16 11:59:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:59:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:59:01,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:59:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:59:01,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:59:01,603 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:59:01,604 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:59:01,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 11:59:01,660 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 11:59:01,661 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,661 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 11:59:01,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,662 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 11:59:01,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,662 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 11:59:01,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,663 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 11:59:01,663 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,663 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 11:59:01,663 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,667 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 11:59:01,667 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,668 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 11:59:01,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,668 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 11:59:01,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,668 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 11:59:01,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,669 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 11:59:01,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,669 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 11:59:01,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,670 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 11:59:01,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,670 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 11:59:01,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,670 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 11:59:01,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,671 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 11:59:01,671 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,677 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 11:59:01,677 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,678 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 11:59:01,678 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,678 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 11:59:01,678 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,678 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 11:59:01,678 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,679 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 11:59:01,679 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,679 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 11:59:01,679 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,679 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 11:59:01,680 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,680 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 11:59:01,680 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,680 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 11:59:01,680 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,682 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 11:59:01,683 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,683 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 11:59:01,683 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,683 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 11:59:01,683 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,683 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 11:59:01,684 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,684 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 11:59:01,684 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,685 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 11:59:01,685 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,685 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 11:59:01,685 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,686 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 11:59:01,686 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,686 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 11:59:01,686 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,686 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 11:59:01,686 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,687 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 11:59:01,687 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:59:01,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:59:01 BasicIcfg [2020-10-16 11:59:01,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:59:01,816 INFO L168 Benchmark]: Toolchain (without parser) took 13268.97 ms. Allocated memory was 141.0 MB in the beginning and 556.8 MB in the end (delta: 415.8 MB). Free memory was 101.7 MB in the beginning and 356.7 MB in the end (delta: -255.0 MB). Peak memory consumption was 160.7 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:01,819 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:59:01,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.07 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 154.8 MB in the end (delta: -53.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:01,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.12 ms. Allocated memory is still 204.5 MB. Free memory was 154.8 MB in the beginning and 152.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:01,821 INFO L168 Benchmark]: Boogie Preprocessor took 60.00 ms. Allocated memory is still 204.5 MB. Free memory was 152.2 MB in the beginning and 149.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:01,822 INFO L168 Benchmark]: RCFGBuilder took 2479.17 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 149.6 MB in the beginning and 126.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:01,823 INFO L168 Benchmark]: TraceAbstraction took 9872.28 ms. Allocated memory was 245.4 MB in the beginning and 556.8 MB in the end (delta: 311.4 MB). Free memory was 126.6 MB in the beginning and 356.7 MB in the end (delta: -230.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-10-16 11:59:01,835 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 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.07 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.5 MB in the beginning and 154.8 MB in the end (delta: -53.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.12 ms. Allocated memory is still 204.5 MB. Free memory was 154.8 MB in the beginning and 152.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.00 ms. Allocated memory is still 204.5 MB. Free memory was 152.2 MB in the beginning and 149.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2479.17 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 149.6 MB in the beginning and 126.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9872.28 ms. Allocated memory was 245.4 MB in the beginning and 556.8 MB in the end (delta: 311.4 MB). Free memory was 126.6 MB in the beginning and 356.7 MB in the end (delta: -230.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1421 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 180 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 127 PlacesBefore, 50 PlacesAfterwards, 116 TransitionsBefore, 38 TransitionsAfterwards, 2832 CoEnabledTransitionPairs, 6 FixpointIterations, 39 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 8965 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p1_EAX = 0; [L705] 0 int __unbuffered_p1_EBX = 0; [L707] 0 int __unbuffered_p2_EAX = 0; [L709] 0 int __unbuffered_p3_EAX = 0; [L711] 0 int __unbuffered_p3_EBX = 0; [L713] 0 int a = 0; [L714] 0 _Bool a$flush_delayed; [L715] 0 int a$mem_tmp; [L716] 0 _Bool a$r_buff0_thd0; [L717] 0 _Bool a$r_buff0_thd1; [L718] 0 _Bool a$r_buff0_thd2; [L719] 0 _Bool a$r_buff0_thd3; [L720] 0 _Bool a$r_buff0_thd4; [L721] 0 _Bool a$r_buff1_thd0; [L722] 0 _Bool a$r_buff1_thd1; [L723] 0 _Bool a$r_buff1_thd2; [L724] 0 _Bool a$r_buff1_thd3; [L725] 0 _Bool a$r_buff1_thd4; [L726] 0 _Bool a$read_delayed; [L727] 0 int *a$read_delayed_var; [L728] 0 int a$w_buff0; [L729] 0 _Bool a$w_buff0_used; [L730] 0 int a$w_buff1; [L731] 0 _Bool a$w_buff1_used; [L732] 0 _Bool main$tmp_guard0; [L733] 0 _Bool main$tmp_guard1; [L735] 0 int x = 0; [L737] 0 int y = 0; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L862] 0 pthread_t t337; [L863] FCALL, FORK 0 pthread_create(&t337, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L864] 0 pthread_t t338; [L865] FCALL, FORK 0 pthread_create(&t338, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L866] 0 pthread_t t339; [L867] FCALL, FORK 0 pthread_create(&t339, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L868] 0 pthread_t t340; [L869] FCALL, FORK 0 pthread_create(&t340, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=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=0, y=0, z=0] [L745] 1 a$w_buff1 = a$w_buff0 [L746] 1 a$w_buff0 = 1 [L747] 1 a$w_buff1_used = a$w_buff0_used [L748] 1 a$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L750] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L751] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L752] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L753] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L754] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L755] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L758] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=0, y=0, z=0] [L775] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=0, z=0] [L778] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=0, z=0] [L781] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=0, z=0] [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L784] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L785] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L785] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L786] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L787] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L787] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L788] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 2 return 0; [L798] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, 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=1, y=1, z=0] [L801] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, 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=1, y=1, z=0] [L818] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, 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=1, y=1, z=1] [L804] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L804] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L805] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L805] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L806] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L807] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L807] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L808] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L811] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L813] 3 return 0; [L821] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, 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=1, y=1, z=1] [L824] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L825] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L826] 4 a$flush_delayed = weak$$choice2 [L827] 4 a$mem_tmp = a [L828] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L828] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L828] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L828] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L829] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L829] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L830] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L830] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L831] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L831] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L832] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L833] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L834] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] 4 __unbuffered_p3_EBX = a [L836] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L836] 4 a = a$flush_delayed ? a$mem_tmp : a [L837] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=1, z=1] [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L761] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L762] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L763] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L764] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L764] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L765] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L765] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L768] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L770] 1 return 0; [L840] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L840] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L841] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L842] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L843] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L844] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L847] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L849] 4 return 0; [L871] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L876] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L877] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L878] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L879] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L882] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 546 SDtfs, 904 SDslu, 1468 SDs, 0 SdLazy, 559 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8006occurred 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: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 537 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 32256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...