./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb2e5e6cc8eacec12a8e403b3f32e000b45f3a63 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-22 13:05:26,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:26,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:26,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:26,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:26,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:26,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:26,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:26,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:26,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:26,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:26,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:26,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:26,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:26,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:26,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:26,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:26,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:26,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:26,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:26,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:26,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:26,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:26,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:26,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:26,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:26,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:26,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:26,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:26,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:26,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:26,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:26,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:26,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:26,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:26,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:26,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:26,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:26,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:26,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:26,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:26,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:26,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:26,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:26,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:26,867 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:26,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:26,868 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:26,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:26,868 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:26,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:26,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:26,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:26,870 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:26,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:26,871 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:26,871 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:26,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:26,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:26,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:26,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:26,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:26,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:26,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:26,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:26,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:26,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:26,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:26,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:26,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:26,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:26,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:26,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:26,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:26,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:26,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:26,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:26,878 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:26,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:26,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:26,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:26,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:26,879 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb2e5e6cc8eacec12a8e403b3f32e000b45f3a63 [2020-11-22 13:05:27,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:27,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:27,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:27,183 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:27,184 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:27,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc.i [2020-11-22 13:05:27,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/data/42b9f0a2e/8d76e50cc9234f458b9c1ebb117e8155/FLAG5610f6f57 [2020-11-22 13:05:27,947 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:27,948 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/sv-benchmarks/c/pthread-wmm/mix034_power.oepc.i [2020-11-22 13:05:27,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/data/42b9f0a2e/8d76e50cc9234f458b9c1ebb117e8155/FLAG5610f6f57 [2020-11-22 13:05:28,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/data/42b9f0a2e/8d76e50cc9234f458b9c1ebb117e8155 [2020-11-22 13:05:28,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:28,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:28,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:28,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:28,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:28,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:28,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5831b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28, skipping insertion in model container [2020-11-22 13:05:28,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:28,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:28,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:28,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:28,773 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:28,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:28,964 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:28,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28 WrapperNode [2020-11-22 13:05:28,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:28,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:28,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:28,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:28,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:29,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:29,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:29,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:29,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... [2020-11-22 13:05:29,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:29,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:29,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:29,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:29,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/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 [2020-11-22 13:05:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:05:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-22 13:05:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:05:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-22 13:05:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-22 13:05:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-22 13:05:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-22 13:05:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:05:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-22 13:05:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:29,218 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-22 13:05:31,802 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:31,803 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-22 13:05:31,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:31 BoogieIcfgContainer [2020-11-22 13:05:31,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:31,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:31,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:31,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:31,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:28" (1/3) ... [2020-11-22 13:05:31,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6179c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:31, skipping insertion in model container [2020-11-22 13:05:31,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:28" (2/3) ... [2020-11-22 13:05:31,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6179c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:31, skipping insertion in model container [2020-11-22 13:05:31,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:31" (3/3) ... [2020-11-22 13:05:31,813 INFO L111 eAbstractionObserver]: Analyzing ICFG mix034_power.oepc.i [2020-11-22 13:05:31,824 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-22 13:05:31,824 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:31,829 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-22 13:05:31,830 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-22 13:05:31,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,875 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,875 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,876 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,877 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,882 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,882 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,924 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,935 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,937 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:05:31,939 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-22 13:05:31,950 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-22 13:05:31,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:31,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:31,981 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:31,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:31,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:31,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:31,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:31,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:31,998 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-22 13:05:32,000 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 89 transitions, 188 flow [2020-11-22 13:05:32,004 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 89 transitions, 188 flow [2020-11-22 13:05:32,007 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 93 places, 89 transitions, 188 flow [2020-11-22 13:05:32,047 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-11-22 13:05:32,051 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-22 13:05:32,056 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2020-11-22 13:05:32,061 INFO L116 LiptonReduction]: Number of co-enabled transitions 1194 [2020-11-22 13:05:32,534 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-11-22 13:05:32,799 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:05:32,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:32,802 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:32,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:32,805 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:32,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:32,907 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 13:05:32,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:33,060 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:33,060 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:33,078 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,079 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:33,081 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:33,085 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,086 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:33,089 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:05:33,089 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,091 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,094 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,094 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,168 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,168 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 13:05:33,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:05:33,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,252 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 13:05:33,255 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:05:33,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,323 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:33,324 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:33,326 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,326 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:33,329 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,329 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:33,330 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,332 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:33,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:05:33,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,338 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,340 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:33,340 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:33,386 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 13:05:33,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:33,752 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-11-22 13:05:33,868 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-22 13:05:33,920 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 13:05:33,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,135 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,136 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,136 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,138 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,139 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,140 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,141 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,167 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,168 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,168 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,170 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,472 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-22 13:05:34,582 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-22 13:05:34,700 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,701 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,701 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,704 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,704 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,706 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,726 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,726 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,727 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,729 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,731 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,732 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,764 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,765 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,766 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,767 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,770 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,792 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,792 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,793 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,795 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,795 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,797 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,797 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,990 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,990 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:34,992 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:34,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:34,994 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:34,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:35,008 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,008 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,009 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,011 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,011 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,012 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,050 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:35,053 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:35,068 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,068 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,069 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,071 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,073 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,073 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,214 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,247 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:35,249 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,249 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:35,250 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:35,252 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:05:35,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,254 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,266 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,267 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,268 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,338 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-22 13:05:35,340 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:05:35,340 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,383 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,383 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,384 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,385 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,386 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,388 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,388 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,412 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,412 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,413 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,413 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,415 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,415 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:35,417 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,417 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:35,571 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,572 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,574 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,576 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,591 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,591 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,592 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,592 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,594 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,594 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:35,596 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:05:35,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:05:35,672 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,673 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-22 13:05:35,674 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:05:35,675 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,728 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:05:35,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:05:35,730 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:35,732 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,732 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:35,733 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,733 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:05:35,735 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:05:35,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,737 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:35,739 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:05:35,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:05:36,573 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-11-22 13:05:36,738 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-22 13:05:37,116 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2020-11-22 13:05:37,268 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-22 13:05:37,270 INFO L131 LiptonReduction]: Checked pairs total: 3247 [2020-11-22 13:05:37,270 INFO L133 LiptonReduction]: Total number of compositions: 86 [2020-11-22 13:05:37,275 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 54 flow [2020-11-22 13:05:37,293 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 230 states. [2020-11-22 13:05:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states. [2020-11-22 13:05:37,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-22 13:05:37,299 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:37,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-22 13:05:37,300 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:37,305 INFO L82 PathProgramCache]: Analyzing trace with hash 966373, now seen corresponding path program 1 times [2020-11-22 13:05:37,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:37,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577023811] [2020-11-22 13:05:37,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:37,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577023811] [2020-11-22 13:05:37,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:37,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-22 13:05:37,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934894702] [2020-11-22 13:05:37,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:05:37,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:05:37,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:05:37,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:05:37,526 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 3 states. [2020-11-22 13:05:37,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:37,605 INFO L93 Difference]: Finished difference Result 192 states and 464 transitions. [2020-11-22 13:05:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:37,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-22 13:05:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:37,622 INFO L225 Difference]: With dead ends: 192 [2020-11-22 13:05:37,623 INFO L226 Difference]: Without dead ends: 162 [2020-11-22 13:05:37,624 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 [2020-11-22 13:05:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-11-22 13:05:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-11-22 13:05:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-22 13:05:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 385 transitions. [2020-11-22 13:05:37,700 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 385 transitions. Word has length 3 [2020-11-22 13:05:37,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:37,700 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 385 transitions. [2020-11-22 13:05:37,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:05:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 385 transitions. [2020-11-22 13:05:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-22 13:05:37,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:37,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:37,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:05:37,702 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:37,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:37,703 INFO L82 PathProgramCache]: Analyzing trace with hash -174040303, now seen corresponding path program 1 times [2020-11-22 13:05:37,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:37,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705879351] [2020-11-22 13:05:37,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:37,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705879351] [2020-11-22 13:05:37,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:37,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:05:37,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603634776] [2020-11-22 13:05:37,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:37,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:05:37,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:37,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:37,881 INFO L87 Difference]: Start difference. First operand 162 states and 385 transitions. Second operand 4 states. [2020-11-22 13:05:37,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:37,921 INFO L93 Difference]: Finished difference Result 172 states and 388 transitions. [2020-11-22 13:05:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:37,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-22 13:05:37,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:37,925 INFO L225 Difference]: With dead ends: 172 [2020-11-22 13:05:37,925 INFO L226 Difference]: Without dead ends: 142 [2020-11-22 13:05:37,925 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 [2020-11-22 13:05:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-11-22 13:05:37,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-11-22 13:05:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-22 13:05:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 329 transitions. [2020-11-22 13:05:37,943 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 329 transitions. Word has length 8 [2020-11-22 13:05:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:37,943 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 329 transitions. [2020-11-22 13:05:37,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 329 transitions. [2020-11-22 13:05:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 13:05:37,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:37,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:37,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:05:37,945 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:37,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:37,945 INFO L82 PathProgramCache]: Analyzing trace with hash -682859508, now seen corresponding path program 1 times [2020-11-22 13:05:37,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:37,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333060178] [2020-11-22 13:05:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:38,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333060178] [2020-11-22 13:05:38,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:38,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:05:38,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884031756] [2020-11-22 13:05:38,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:38,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:05:38,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:38,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:38,119 INFO L87 Difference]: Start difference. First operand 142 states and 329 transitions. Second operand 4 states. [2020-11-22 13:05:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:38,205 INFO L93 Difference]: Finished difference Result 108 states and 206 transitions. [2020-11-22 13:05:38,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:38,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-22 13:05:38,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:38,208 INFO L225 Difference]: With dead ends: 108 [2020-11-22 13:05:38,209 INFO L226 Difference]: Without dead ends: 78 [2020-11-22 13:05:38,209 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 [2020-11-22 13:05:38,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-11-22 13:05:38,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-11-22 13:05:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-22 13:05:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 137 transitions. [2020-11-22 13:05:38,213 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 137 transitions. Word has length 10 [2020-11-22 13:05:38,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:38,213 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 137 transitions. [2020-11-22 13:05:38,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 137 transitions. [2020-11-22 13:05:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:05:38,214 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:38,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:38,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 13:05:38,214 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:38,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:38,215 INFO L82 PathProgramCache]: Analyzing trace with hash -77886800, now seen corresponding path program 1 times [2020-11-22 13:05:38,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:38,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021762503] [2020-11-22 13:05:38,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:38,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021762503] [2020-11-22 13:05:38,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:38,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-22 13:05:38,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243872796] [2020-11-22 13:05:38,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:38,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:05:38,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:38,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:38,401 INFO L87 Difference]: Start difference. First operand 78 states and 137 transitions. Second operand 5 states. [2020-11-22 13:05:38,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:38,461 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2020-11-22 13:05:38,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:05:38,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-22 13:05:38,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:38,462 INFO L225 Difference]: With dead ends: 56 [2020-11-22 13:05:38,462 INFO L226 Difference]: Without dead ends: 46 [2020-11-22 13:05:38,465 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 [2020-11-22 13:05:38,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-22 13:05:38,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-22 13:05:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-22 13:05:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 73 transitions. [2020-11-22 13:05:38,467 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 73 transitions. Word has length 13 [2020-11-22 13:05:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:38,468 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 73 transitions. [2020-11-22 13:05:38,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2020-11-22 13:05:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:05:38,468 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:38,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:38,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 13:05:38,469 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:38,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:38,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1357754615, now seen corresponding path program 1 times [2020-11-22 13:05:38,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:38,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737350305] [2020-11-22 13:05:38,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:38,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737350305] [2020-11-22 13:05:38,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:38,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-22 13:05:38,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675193571] [2020-11-22 13:05:38,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-22 13:05:38,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:05:38,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-22 13:05:38,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:38,664 INFO L87 Difference]: Start difference. First operand 46 states and 73 transitions. Second operand 7 states. [2020-11-22 13:05:38,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:38,825 INFO L93 Difference]: Finished difference Result 74 states and 116 transitions. [2020-11-22 13:05:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:05:38,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-11-22 13:05:38,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:38,826 INFO L225 Difference]: With dead ends: 74 [2020-11-22 13:05:38,827 INFO L226 Difference]: Without dead ends: 36 [2020-11-22 13:05:38,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:05:38,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-22 13:05:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-22 13:05:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-22 13:05:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 53 transitions. [2020-11-22 13:05:38,829 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 53 transitions. Word has length 17 [2020-11-22 13:05:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:38,829 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 53 transitions. [2020-11-22 13:05:38,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-22 13:05:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2020-11-22 13:05:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:05:38,830 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:38,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:38,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-22 13:05:38,830 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:38,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1862302715, now seen corresponding path program 2 times [2020-11-22 13:05:38,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:38,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684646806] [2020-11-22 13:05:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:38,913 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:39,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:39,058 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:05:39,058 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:05:39,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-22 13:05:39,080 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,080 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,080 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,080 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [741] [2020-11-22 13:05:39,084 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,084 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,085 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,085 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,085 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,085 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,085 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,085 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,085 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,086 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,086 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,086 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,086 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,087 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,087 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,087 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,087 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,088 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,088 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,088 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,088 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,088 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,088 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,088 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,088 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,089 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,089 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,089 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,089 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,089 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,089 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,089 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,090 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,090 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,095 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,095 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,095 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,095 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,096 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,096 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,096 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,096 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,096 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,097 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,097 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,097 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,097 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,097 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,098 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,098 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,098 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,098 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,098 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,098 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,099 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,099 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,099 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,099 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:39 BasicIcfg [2020-11-22 13:05:39,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:39,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:39,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:39,151 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:39,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:31" (3/4) ... [2020-11-22 13:05:39,154 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:05:39,164 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,165 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,165 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,165 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [741] [2020-11-22 13:05:39,165 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,166 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,166 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,166 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,166 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,172 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,172 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,172 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,172 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,172 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,172 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,172 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,173 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,173 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,173 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,173 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,173 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,173 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,173 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,174 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,174 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,174 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,174 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,174 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,174 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,174 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,175 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,175 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,175 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,175 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,178 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,179 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,179 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,179 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:05:39,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:05:39,283 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b689cecf-c5da-4b68-9e6d-8079cc54f8ce/bin/utaipan/witness.graphml [2020-11-22 13:05:39,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:39,285 INFO L168 Benchmark]: Toolchain (without parser) took 11085.81 ms. Allocated memory was 98.6 MB in the beginning and 230.7 MB in the end (delta: 132.1 MB). Free memory was 62.0 MB in the beginning and 70.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 123.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:39,285 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory was 70.8 MB in the beginning and 70.7 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:39,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.23 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 51.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:39,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.92 ms. Allocated memory is still 98.6 MB. Free memory was 51.1 MB in the beginning and 49.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:39,287 INFO L168 Benchmark]: Boogie Preprocessor took 70.85 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 46.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:39,287 INFO L168 Benchmark]: RCFGBuilder took 2679.19 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 46.5 MB in the beginning and 45.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:39,288 INFO L168 Benchmark]: TraceAbstraction took 7344.00 ms. Allocated memory was 127.9 MB in the beginning and 230.7 MB in the end (delta: 102.8 MB). Free memory was 45.0 MB in the beginning and 85.3 MB in the end (delta: -40.3 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:39,289 INFO L168 Benchmark]: Witness Printer took 132.41 ms. Allocated memory is still 230.7 MB. Free memory was 85.3 MB in the beginning and 70.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:39,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory was 70.8 MB in the beginning and 70.7 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 766.23 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 51.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.92 ms. Allocated memory is still 98.6 MB. Free memory was 51.1 MB in the beginning and 49.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.85 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 46.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2679.19 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 46.5 MB in the beginning and 45.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7344.00 ms. Allocated memory was 127.9 MB in the beginning and 230.7 MB in the end (delta: 102.8 MB). Free memory was 45.0 MB in the beginning and 85.3 MB in the end (delta: -40.3 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.1 GB. * Witness Printer took 132.41 ms. Allocated memory is still 230.7 MB. Free memory was 85.3 MB in the beginning and 70.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 828 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 7 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.6s, 86 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.2s, 93 PlacesBefore, 28 PlacesAfterwards, 89 TransitionsBefore, 22 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 86 TotalNumberOfCompositions, 3247 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p0_EAX = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L720] 0 int y = 0; [L722] 0 int z = 0; [L723] 0 _Bool z$flush_delayed; [L724] 0 int z$mem_tmp; [L725] 0 _Bool z$r_buff0_thd0; [L726] 0 _Bool z$r_buff0_thd1; [L727] 0 _Bool z$r_buff0_thd2; [L728] 0 _Bool z$r_buff1_thd0; [L729] 0 _Bool z$r_buff1_thd1; [L730] 0 _Bool z$r_buff1_thd2; [L731] 0 _Bool z$read_delayed; [L732] 0 int *z$read_delayed_var; [L733] 0 int z$w_buff0; [L734] 0 _Bool z$w_buff0_used; [L735] 0 int z$w_buff1; [L736] 0 _Bool z$w_buff1_used; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L817] 0 pthread_t t897; [L818] FCALL, FORK 0 pthread_create(&t897, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L819] 0 pthread_t t898; [L820] FCALL, FORK 0 pthread_create(&t898, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_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=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L742] 1 z$w_buff1 = z$w_buff0 [L743] 1 z$w_buff0 = 1 [L744] 1 z$w_buff1_used = z$w_buff0_used [L745] 1 z$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix034_power.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L747] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L748] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L749] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L770] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L773] 2 y = 1 [L776] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L779] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L780] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L781] 2 z$flush_delayed = weak$$choice2 [L782] 2 z$mem_tmp = z [L783] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L783] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L784] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L784] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0) [L784] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L784] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L785] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L785] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1) [L785] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1 [L785] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1) [L785] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L785] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L786] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L786] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L787] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L787] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L788] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L789] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L789] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L789] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L789] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L789] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L789] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 __unbuffered_p1_EBX = z [L791] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L791] 2 z = z$flush_delayed ? z$mem_tmp : z [L792] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L795] 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) [L795] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L795] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L795] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L796] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L796] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L797] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L797] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L798] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L798] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L799] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L799] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L802] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L804] 2 return 0; [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L765] 1 return 0; [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L826] 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) [L826] 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) [L827] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L827] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L828] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L828] 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 [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L829] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L830] 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 [L833] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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] [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix034_power.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$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_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=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 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 103 SDtfs, 101 SDslu, 175 SDs, 0 SdLazy, 98 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 2009 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...