./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix003_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix003_power.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74d48b13330375eed1b8560f3d845d8b79ed091e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 02:50:29,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:50:29,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:50:29,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:50:29,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:50:29,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:50:29,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:50:29,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:50:29,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:50:29,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:50:29,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:50:29,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:50:29,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:50:29,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:50:29,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:50:29,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:50:29,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:50:29,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:50:29,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:50:29,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:50:29,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:50:29,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:50:29,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:50:29,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:50:29,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:50:29,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:50:29,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:50:29,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:50:29,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:50:29,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:50:29,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:50:29,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:50:29,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:50:29,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:50:29,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:50:29,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:50:29,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:50:29,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:50:29,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:50:29,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:50:29,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:50:29,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 02:50:29,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:50:29,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:50:29,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:50:29,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:50:29,888 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:50:29,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:50:29,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:50:29,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 02:50:29,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:50:29,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:50:29,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:50:29,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:50:29,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:50:29,891 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:50:29,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:50:29,892 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:50:29,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:50:29,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:50:29,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:50:29,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:50:29,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:50:29,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:50:29,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:50:29,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:50:29,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:50:29,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 02:50:29,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 02:50:29,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:50:29,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:50:29,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74d48b13330375eed1b8560f3d845d8b79ed091e [2020-10-20 02:50:30,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:50:30,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:50:30,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:50:30,131 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:50:30,131 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:50:30,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix003_power.oepc.i [2020-10-20 02:50:30,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff499c45/b3fc02aa1d0f4100b73cd6cbf802b816/FLAGc3d9d847c [2020-10-20 02:50:30,774 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:50:30,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix003_power.oepc.i [2020-10-20 02:50:30,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff499c45/b3fc02aa1d0f4100b73cd6cbf802b816/FLAGc3d9d847c [2020-10-20 02:50:30,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ff499c45/b3fc02aa1d0f4100b73cd6cbf802b816 [2020-10-20 02:50:30,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:50:30,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:50:30,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:50:30,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:50:30,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:50:30,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:50:30" (1/1) ... [2020-10-20 02:50:30,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b48c81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:30, skipping insertion in model container [2020-10-20 02:50:30,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:50:30" (1/1) ... [2020-10-20 02:50:31,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:50:31,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:50:31,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:50:31,534 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:50:31,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:50:31,692 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:50:31,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31 WrapperNode [2020-10-20 02:50:31,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:50:31,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:50:31,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:50:31,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:50:31,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:50:31,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:50:31,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:50:31,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:50:31,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... [2020-10-20 02:50:31,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:50:31,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:50:31,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:50:31,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:50:31,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:50:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 02:50:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-20 02:50:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:50:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:50:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-20 02:50:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-20 02:50:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-20 02:50:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-20 02:50:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-20 02:50:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-20 02:50:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 02:50:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-20 02:50:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:50:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:50:31,899 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 02:50:34,188 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:50:34,188 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-20 02:50:34,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:50:34 BoogieIcfgContainer [2020-10-20 02:50:34,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 02:50:34,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 02:50:34,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 02:50:34,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 02:50:34,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 02:50:30" (1/3) ... [2020-10-20 02:50:34,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24312f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:50:34, skipping insertion in model container [2020-10-20 02:50:34,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:50:31" (2/3) ... [2020-10-20 02:50:34,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24312f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:50:34, skipping insertion in model container [2020-10-20 02:50:34,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:50:34" (3/3) ... [2020-10-20 02:50:34,200 INFO L111 eAbstractionObserver]: Analyzing ICFG mix003_power.oepc.i [2020-10-20 02:50:34,213 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 02:50:34,213 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 02:50:34,222 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-20 02:50:34,223 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 02:50:34,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,279 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,280 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,280 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,281 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,282 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,287 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,287 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,311 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,314 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,323 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,325 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,325 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:50:34,331 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-20 02:50:34,345 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-20 02:50:34,368 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 02:50:34,368 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 02:50:34,368 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 02:50:34,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 02:50:34,369 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 02:50:34,369 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 02:50:34,369 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 02:50:34,369 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 02:50:34,384 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 02:50:34,387 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 107 transitions, 229 flow [2020-10-20 02:50:34,390 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 107 transitions, 229 flow [2020-10-20 02:50:34,392 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 107 transitions, 229 flow [2020-10-20 02:50:34,445 INFO L129 PetriNetUnfolder]: 3/104 cut-off events. [2020-10-20 02:50:34,445 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-20 02:50:34,451 INFO L80 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 3/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-10-20 02:50:34,455 INFO L117 LiptonReduction]: Number of co-enabled transitions 2064 [2020-10-20 02:50:34,626 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,627 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,629 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,635 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,636 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:34,640 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:34,641 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:34,668 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:34,669 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,670 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,671 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,676 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:34,681 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:34,682 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:34,774 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:34,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,777 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,781 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:34,784 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:34,785 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:34,808 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,808 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,810 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:34,814 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:34,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:34,818 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:34,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:35,081 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-10-20 02:50:35,134 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 02:50:35,142 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-20 02:50:35,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,191 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:35,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,194 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:50:35,197 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:50:35,200 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:50:35,203 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:50:35,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,206 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,208 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,208 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,566 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-20 02:50:35,678 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-20 02:50:35,761 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:35,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,762 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:35,763 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,765 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:35,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:35,769 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:35,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:35,810 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:35,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,812 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:35,813 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,815 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:35,816 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:35,818 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:35,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:35,897 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:35,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,904 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,905 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:50:35,907 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,907 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:50:35,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:50:35,911 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:50:35,911 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,912 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,914 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:50:35,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 02:50:35,962 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-20 02:50:35,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:35,993 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:35,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,995 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:35,995 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:35,997 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:35,997 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:35,999 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:36,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:36,026 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:36,027 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,028 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:36,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,030 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:36,031 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:36,032 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:36,033 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:36,386 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:36,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,387 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:36,388 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,389 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:36,389 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:36,394 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:36,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:36,414 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:36,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,415 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:36,415 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,417 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:36,417 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:36,419 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:36,419 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:36,578 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:50:36,578 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,634 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:50:36,635 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,669 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:50:36,670 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:36,828 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:50:36,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:36,829 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-20 02:50:36,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:36,830 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-20 02:50:36,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,030 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-20 02:50:37,268 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:50:37,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,350 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:50:37,350 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,352 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-20 02:50:37,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-20 02:50:37,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,415 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:50:37,415 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,577 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,577 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,578 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,578 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,580 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,580 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:37,581 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:37,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:37,593 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:37,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,594 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,594 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,595 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,597 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:37,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,742 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,743 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,748 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,748 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,754 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:37,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:50:37,778 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:37,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,780 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:37,783 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:50:37,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:37,784 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:50:37,785 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:50:37,827 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:50:37,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:50:38,507 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-10-20 02:50:39,018 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-10-20 02:50:39,220 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-20 02:50:39,235 INFO L132 LiptonReduction]: Checked pairs total: 6046 [2020-10-20 02:50:39,236 INFO L134 LiptonReduction]: Total number of compositions: 93 [2020-10-20 02:50:39,243 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2020-10-20 02:50:39,325 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1382 states. [2020-10-20 02:50:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states. [2020-10-20 02:50:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-20 02:50:39,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:39,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-20 02:50:39,335 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:39,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1107232, now seen corresponding path program 1 times [2020-10-20 02:50:39,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:39,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010148759] [2020-10-20 02:50:39,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:50:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:50:39,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010148759] [2020-10-20 02:50:39,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:50:39,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 02:50:39,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352848998] [2020-10-20 02:50:39,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 02:50:39,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:50:39,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 02:50:39,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:50:39,593 INFO L87 Difference]: Start difference. First operand 1382 states. Second operand 3 states. [2020-10-20 02:50:39,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:50:39,724 INFO L93 Difference]: Finished difference Result 1152 states and 3742 transitions. [2020-10-20 02:50:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 02:50:39,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-20 02:50:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:50:39,764 INFO L225 Difference]: With dead ends: 1152 [2020-10-20 02:50:39,764 INFO L226 Difference]: Without dead ends: 972 [2020-10-20 02:50:39,766 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 [2020-10-20 02:50:39,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-10-20 02:50:39,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2020-10-20 02:50:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-20 02:50:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 3118 transitions. [2020-10-20 02:50:39,941 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 3118 transitions. Word has length 3 [2020-10-20 02:50:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:50:39,941 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 3118 transitions. [2020-10-20 02:50:39,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 02:50:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 3118 transitions. [2020-10-20 02:50:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 02:50:39,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:39,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:50:39,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 02:50:39,944 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:39,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:39,944 INFO L82 PathProgramCache]: Analyzing trace with hash -696150767, now seen corresponding path program 1 times [2020-10-20 02:50:39,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:39,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441558642] [2020-10-20 02:50:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:50:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:50:40,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441558642] [2020-10-20 02:50:40,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:50:40,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 02:50:40,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469523460] [2020-10-20 02:50:40,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 02:50:40,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:50:40,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 02:50:40,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 02:50:40,141 INFO L87 Difference]: Start difference. First operand 972 states and 3118 transitions. Second operand 4 states. [2020-10-20 02:50:40,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:50:40,173 INFO L93 Difference]: Finished difference Result 1032 states and 3186 transitions. [2020-10-20 02:50:40,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 02:50:40,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-20 02:50:40,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:50:40,181 INFO L225 Difference]: With dead ends: 1032 [2020-10-20 02:50:40,181 INFO L226 Difference]: Without dead ends: 852 [2020-10-20 02:50:40,182 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 [2020-10-20 02:50:40,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-20 02:50:40,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2020-10-20 02:50:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-10-20 02:50:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 2682 transitions. [2020-10-20 02:50:40,211 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 2682 transitions. Word has length 10 [2020-10-20 02:50:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:50:40,212 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 2682 transitions. [2020-10-20 02:50:40,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 02:50:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2682 transitions. [2020-10-20 02:50:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 02:50:40,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:40,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:50:40,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 02:50:40,216 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:40,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:40,217 INFO L82 PathProgramCache]: Analyzing trace with hash 14770621, now seen corresponding path program 1 times [2020-10-20 02:50:40,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:40,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230310873] [2020-10-20 02:50:40,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:50:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:50:40,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230310873] [2020-10-20 02:50:40,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:50:40,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 02:50:40,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053502112] [2020-10-20 02:50:40,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 02:50:40,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:50:40,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 02:50:40,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 02:50:40,282 INFO L87 Difference]: Start difference. First operand 852 states and 2682 transitions. Second operand 4 states. [2020-10-20 02:50:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:50:40,308 INFO L93 Difference]: Finished difference Result 892 states and 2724 transitions. [2020-10-20 02:50:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 02:50:40,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-20 02:50:40,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:50:40,315 INFO L225 Difference]: With dead ends: 892 [2020-10-20 02:50:40,315 INFO L226 Difference]: Without dead ends: 772 [2020-10-20 02:50:40,316 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 [2020-10-20 02:50:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-10-20 02:50:40,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2020-10-20 02:50:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-10-20 02:50:40,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 2398 transitions. [2020-10-20 02:50:40,343 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 2398 transitions. Word has length 12 [2020-10-20 02:50:40,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:50:40,344 INFO L481 AbstractCegarLoop]: Abstraction has 772 states and 2398 transitions. [2020-10-20 02:50:40,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 02:50:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2398 transitions. [2020-10-20 02:50:40,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 02:50:40,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:40,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:50:40,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 02:50:40,348 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:40,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:40,348 INFO L82 PathProgramCache]: Analyzing trace with hash 802221732, now seen corresponding path program 1 times [2020-10-20 02:50:40,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:40,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184563678] [2020-10-20 02:50:40,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:50:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:50:40,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184563678] [2020-10-20 02:50:40,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:50:40,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 02:50:40,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640350066] [2020-10-20 02:50:40,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 02:50:40,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:50:40,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 02:50:40,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 02:50:40,416 INFO L87 Difference]: Start difference. First operand 772 states and 2398 transitions. Second operand 4 states. [2020-10-20 02:50:40,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:50:40,460 INFO L93 Difference]: Finished difference Result 680 states and 1854 transitions. [2020-10-20 02:50:40,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 02:50:40,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-20 02:50:40,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:50:40,465 INFO L225 Difference]: With dead ends: 680 [2020-10-20 02:50:40,465 INFO L226 Difference]: Without dead ends: 500 [2020-10-20 02:50:40,466 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 [2020-10-20 02:50:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-10-20 02:50:40,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2020-10-20 02:50:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-20 02:50:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 1310 transitions. [2020-10-20 02:50:40,481 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 1310 transitions. Word has length 14 [2020-10-20 02:50:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:50:40,482 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 1310 transitions. [2020-10-20 02:50:40,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 02:50:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1310 transitions. [2020-10-20 02:50:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 02:50:40,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:40,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:50:40,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 02:50:40,484 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:40,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:40,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1486522295, now seen corresponding path program 1 times [2020-10-20 02:50:40,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:40,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931752427] [2020-10-20 02:50:40,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:50:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:50:40,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931752427] [2020-10-20 02:50:40,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:50:40,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 02:50:40,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721934569] [2020-10-20 02:50:40,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 02:50:40,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:50:40,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 02:50:40,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 02:50:40,586 INFO L87 Difference]: Start difference. First operand 500 states and 1310 transitions. Second operand 5 states. [2020-10-20 02:50:40,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:50:40,635 INFO L93 Difference]: Finished difference Result 384 states and 931 transitions. [2020-10-20 02:50:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 02:50:40,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-20 02:50:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:50:40,638 INFO L225 Difference]: With dead ends: 384 [2020-10-20 02:50:40,638 INFO L226 Difference]: Without dead ends: 304 [2020-10-20 02:50:40,639 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 [2020-10-20 02:50:40,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-20 02:50:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-10-20 02:50:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-20 02:50:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 722 transitions. [2020-10-20 02:50:40,647 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 722 transitions. Word has length 17 [2020-10-20 02:50:40,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:50:40,648 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 722 transitions. [2020-10-20 02:50:40,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 02:50:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 722 transitions. [2020-10-20 02:50:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 02:50:40,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:40,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:50:40,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 02:50:40,650 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:40,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:40,651 INFO L82 PathProgramCache]: Analyzing trace with hash -953856345, now seen corresponding path program 1 times [2020-10-20 02:50:40,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:40,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307791184] [2020-10-20 02:50:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:50:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:50:40,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307791184] [2020-10-20 02:50:40,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:50:40,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 02:50:40,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338943176] [2020-10-20 02:50:40,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 02:50:40,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:50:40,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 02:50:40,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-20 02:50:40,879 INFO L87 Difference]: Start difference. First operand 304 states and 722 transitions. Second operand 6 states. [2020-10-20 02:50:40,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:50:40,949 INFO L93 Difference]: Finished difference Result 271 states and 654 transitions. [2020-10-20 02:50:40,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 02:50:40,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-20 02:50:40,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:50:40,952 INFO L225 Difference]: With dead ends: 271 [2020-10-20 02:50:40,953 INFO L226 Difference]: Without dead ends: 256 [2020-10-20 02:50:40,953 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 [2020-10-20 02:50:40,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-20 02:50:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2020-10-20 02:50:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-20 02:50:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 626 transitions. [2020-10-20 02:50:40,961 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 626 transitions. Word has length 20 [2020-10-20 02:50:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:50:40,961 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 626 transitions. [2020-10-20 02:50:40,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 02:50:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 626 transitions. [2020-10-20 02:50:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 02:50:40,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:40,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:50:40,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 02:50:40,963 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:40,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:40,964 INFO L82 PathProgramCache]: Analyzing trace with hash -219812357, now seen corresponding path program 1 times [2020-10-20 02:50:40,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:40,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163441860] [2020-10-20 02:50:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:50:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:50:41,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163441860] [2020-10-20 02:50:41,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:50:41,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 02:50:41,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769689858] [2020-10-20 02:50:41,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 02:50:41,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:50:41,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 02:50:41,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-20 02:50:41,205 INFO L87 Difference]: Start difference. First operand 256 states and 626 transitions. Second operand 8 states. [2020-10-20 02:50:41,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:50:41,455 INFO L93 Difference]: Finished difference Result 392 states and 913 transitions. [2020-10-20 02:50:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 02:50:41,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-20 02:50:41,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:50:41,458 INFO L225 Difference]: With dead ends: 392 [2020-10-20 02:50:41,458 INFO L226 Difference]: Without dead ends: 329 [2020-10-20 02:50:41,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-20 02:50:41,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-20 02:50:41,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 256. [2020-10-20 02:50:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-20 02:50:41,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 608 transitions. [2020-10-20 02:50:41,469 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 608 transitions. Word has length 24 [2020-10-20 02:50:41,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:50:41,470 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 608 transitions. [2020-10-20 02:50:41,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 02:50:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 608 transitions. [2020-10-20 02:50:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 02:50:41,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:50:41,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:50:41,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 02:50:41,472 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:50:41,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:50:41,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1980588611, now seen corresponding path program 2 times [2020-10-20 02:50:41,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:50:41,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427849570] [2020-10-20 02:50:41,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:50:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:50:41,604 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:50:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:50:41,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:50:41,730 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 02:50:41,730 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 02:50:41,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 02:50:41,755 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,758 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,758 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,759 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [748] [2020-10-20 02:50:41,761 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,762 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,762 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,762 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,762 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,762 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,762 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,762 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,763 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,763 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,764 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,764 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,766 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,767 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,767 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,767 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,768 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,768 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,769 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,769 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,769 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,769 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,770 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,770 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,770 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,771 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,771 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,772 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,776 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,776 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,776 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,777 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,777 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,777 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,777 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,778 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,778 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,778 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,778 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,779 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,779 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,779 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,779 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,780 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,780 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,781 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,781 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,781 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,781 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,781 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,782 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,782 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,783 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,783 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,783 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,783 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,783 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,784 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,784 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,784 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,784 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,784 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,785 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,785 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 02:50:41 BasicIcfg [2020-10-20 02:50:41,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 02:50:41,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 02:50:41,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 02:50:41,868 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 02:50:41,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:50:34" (3/4) ... [2020-10-20 02:50:41,872 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 02:50:41,904 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,904 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,904 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,905 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [748] [2020-10-20 02:50:41,907 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,907 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,907 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,907 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,908 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,908 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,908 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,908 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,910 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,910 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,910 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,910 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,911 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,911 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,911 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,911 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,911 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,911 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,912 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,912 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,912 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,912 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,912 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,912 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,912 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,912 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,913 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,913 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,913 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,917 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,917 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,917 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,917 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,918 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,918 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,918 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,918 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,918 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,918 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,918 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,919 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,919 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,919 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,919 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,919 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,919 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,919 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,920 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,920 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,920 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,920 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,920 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,920 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,920 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,921 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,921 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,921 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,921 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,921 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,921 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,921 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,922 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,922 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,922 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:41,922 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 02:50:41,922 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:50:42,047 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 02:50:42,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 02:50:42,049 INFO L168 Benchmark]: Toolchain (without parser) took 11067.62 ms. Allocated memory was 36.2 MB in the beginning and 125.3 MB in the end (delta: 89.1 MB). Free memory was 12.3 MB in the beginning and 71.4 MB in the end (delta: -59.1 MB). Peak memory consumption was 88.0 MB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,049 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 34.1 MB. Free memory was 19.4 MB in the beginning and 19.4 MB in the end (delta: 34.6 kB). Peak memory consumption was 34.6 kB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.51 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 11.4 MB in the beginning and 15.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.30 ms. Allocated memory is still 44.6 MB. Free memory was 15.0 MB in the beginning and 12.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,050 INFO L168 Benchmark]: Boogie Preprocessor took 50.81 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 12.3 MB in the beginning and 29.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,051 INFO L168 Benchmark]: RCFGBuilder took 2382.97 ms. Allocated memory was 47.7 MB in the beginning and 66.1 MB in the end (delta: 18.4 MB). Free memory was 29.5 MB in the beginning and 12.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,051 INFO L168 Benchmark]: TraceAbstraction took 7675.19 ms. Allocated memory was 66.1 MB in the beginning and 121.6 MB in the end (delta: 55.6 MB). Free memory was 12.2 MB in the beginning and 14.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,052 INFO L168 Benchmark]: Witness Printer took 179.39 ms. Allocated memory was 121.6 MB in the beginning and 125.3 MB in the end (delta: 3.7 MB). Free memory was 14.2 MB in the beginning and 71.4 MB in the end (delta: -57.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-20 02:50:42,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 34.1 MB. Free memory was 19.4 MB in the beginning and 19.4 MB in the end (delta: 34.6 kB). Peak memory consumption was 34.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 705.51 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 11.4 MB in the beginning and 15.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 63.30 ms. Allocated memory is still 44.6 MB. Free memory was 15.0 MB in the beginning and 12.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 50.81 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 12.3 MB in the beginning and 29.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2382.97 ms. Allocated memory was 47.7 MB in the beginning and 66.1 MB in the end (delta: 18.4 MB). Free memory was 29.5 MB in the beginning and 12.9 MB in the end (delta: 16.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7675.19 ms. Allocated memory was 66.1 MB in the beginning and 121.6 MB in the end (delta: 55.6 MB). Free memory was 12.2 MB in the beginning and 14.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 14.3 GB. * Witness Printer took 179.39 ms. Allocated memory was 121.6 MB in the beginning and 125.3 MB in the end (delta: 3.7 MB). Free memory was 14.2 MB in the beginning and 71.4 MB in the end (delta: -57.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1432 VarBasedMoverChecksPositive, 59 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 50 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 200 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.8s, 114 PlacesBefore, 39 PlacesAfterwards, 107 TransitionsBefore, 30 TransitionsAfterwards, 2064 CoEnabledTransitionPairs, 6 FixpointIterations, 39 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 93 TotalNumberOfCompositions, 6046 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L720] 0 _Bool main$tmp_guard0; [L721] 0 _Bool main$tmp_guard1; [L723] 0 int x = 0; [L725] 0 int y = 0; [L727] 0 int z = 0; [L728] 0 _Bool z$flush_delayed; [L729] 0 int z$mem_tmp; [L730] 0 _Bool z$r_buff0_thd0; [L731] 0 _Bool z$r_buff0_thd1; [L732] 0 _Bool z$r_buff0_thd2; [L733] 0 _Bool z$r_buff0_thd3; [L734] 0 _Bool z$r_buff1_thd0; [L735] 0 _Bool z$r_buff1_thd1; [L736] 0 _Bool z$r_buff1_thd2; [L737] 0 _Bool z$r_buff1_thd3; [L738] 0 _Bool z$read_delayed; [L739] 0 int *z$read_delayed_var; [L740] 0 int z$w_buff0; [L741] 0 _Bool z$w_buff0_used; [L742] 0 int z$w_buff1; [L743] 0 _Bool z$w_buff1_used; [L744] 0 _Bool weak$$choice0; [L745] 0 _Bool weak$$choice2; [L845] 0 pthread_t t62; [L846] FCALL, FORK 0 pthread_create(&t62, ((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_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 z$w_buff1 = z$w_buff0 [L750] 1 z$w_buff0 = 1 [L751] 1 z$w_buff1_used = z$w_buff0_used [L752] 1 z$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix003_power.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L754] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L755] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L756] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L757] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L758] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L847] 0 pthread_t t63; [L848] FCALL, FORK 0 pthread_create(&t63, ((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_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L849] 0 pthread_t t64; [L850] FCALL, FORK 0 pthread_create(&t64, ((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_p2_EBX=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L761] 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_p2_EBX=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L778] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L781] 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_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L784] 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_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L787] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L787] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L787] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L788] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L788] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L789] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L789] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L790] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L790] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L791] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L791] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L794] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L796] 2 return 0; [L801] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L804] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L807] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L808] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L809] 3 z$flush_delayed = weak$$choice2 [L810] 3 z$mem_tmp = z [L811] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L811] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L811] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L811] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L812] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L812] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L812] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L812] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L813] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L813] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L814] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L814] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L815] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L815] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L816] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L817] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L817] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 __unbuffered_p2_EBX = z [L819] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L819] 3 z = z$flush_delayed ? z$mem_tmp : z [L820] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L764] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L765] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L765] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L766] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L766] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L767] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L767] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L768] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L768] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 1 return 0; [L823] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L823] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L824] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L824] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L825] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L825] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L826] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L826] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L827] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L827] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L830] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L832] 3 return 0; [L852] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L856] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L856] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L857] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L858] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L859] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L860] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix003_power.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 105 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.3s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 234 SDtfs, 280 SDslu, 506 SDs, 0 SdLazy, 181 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1382occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 8585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...