./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7082604ba6f5c2a79646cd2200d1a5c8e7fdb3ae .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:26:23,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:26:23,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:26:23,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:26:23,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:26:23,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:26:23,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:26:23,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:26:23,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:26:23,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:26:23,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:26:23,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:26:23,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:26:23,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:26:23,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:26:23,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:26:23,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:26:23,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:26:23,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:26:23,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:26:23,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:26:23,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:26:23,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:26:23,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:26:23,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:26:23,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:26:23,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:26:23,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:26:23,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:26:23,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:26:23,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:26:23,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:26:23,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:26:23,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:26:23,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:26:23,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:26:23,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:26:23,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:26:23,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:26:23,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:26:23,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:26:23,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:26:23,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:26:23,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:26:23,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:26:23,802 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:26:23,803 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:26:23,803 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:26:23,803 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:26:23,803 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:26:23,803 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:26:23,803 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:26:23,803 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:26:23,803 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:26:23,804 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:26:23,804 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:26:23,804 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:26:23,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:26:23,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:26:23,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:26:23,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:26:23,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:26:23,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:26:23,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:26:23,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:26:23,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:26:23,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:26:23,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:26:23,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:26:23,807 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:26:23,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:26:23,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:26:23,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:26:23,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:26:23,807 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a4123859-a6e4-49ea-8505-0484a4a24709/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(__VERIFIER_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 -> 7082604ba6f5c2a79646cd2200d1a5c8e7fdb3ae [2019-12-07 13:26:23,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:26:23,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:26:23,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:26:23,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:26:23,920 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:26:23,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc.i [2019-12-07 13:26:23,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/data/2d48ca993/fb9602a814984ab289e6e7595fbe8da9/FLAG4f486ee71 [2019-12-07 13:26:24,425 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:26:24,426 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/sv-benchmarks/c/pthread-wmm/safe010_power.oepc.i [2019-12-07 13:26:24,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/data/2d48ca993/fb9602a814984ab289e6e7595fbe8da9/FLAG4f486ee71 [2019-12-07 13:26:24,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/data/2d48ca993/fb9602a814984ab289e6e7595fbe8da9 [2019-12-07 13:26:24,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:26:24,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:26:24,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:26:24,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:26:24,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:26:24,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fb9745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24, skipping insertion in model container [2019-12-07 13:26:24,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:26:24,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:26:24,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:26:24,733 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:26:24,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:26:24,822 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:26:24,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24 WrapperNode [2019-12-07 13:26:24,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:26:24,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:26:24,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:26:24,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:26:24,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:26:24,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:26:24,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:26:24,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:26:24,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... [2019-12-07 13:26:24,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:26:24,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:26:24,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:26:24,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:26:24,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/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 [2019-12-07 13:26:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:26:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-07 13:26:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:26:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:26:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-07 13:26:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-07 13:26:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-07 13:26:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-07 13:26:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-07 13:26:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:26:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:26:24,935 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 13:26:25,272 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:26:25,272 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 13:26:25,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:25 BoogieIcfgContainer [2019-12-07 13:26:25,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:26:25,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:26:25,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:26:25,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:26:25,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:26:24" (1/3) ... [2019-12-07 13:26:25,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4b97a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:26:25, skipping insertion in model container [2019-12-07 13:26:25,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:26:24" (2/3) ... [2019-12-07 13:26:25,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4b97a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:26:25, skipping insertion in model container [2019-12-07 13:26:25,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:25" (3/3) ... [2019-12-07 13:26:25,278 INFO L109 eAbstractionObserver]: Analyzing ICFG safe010_power.oepc.i [2019-12-07 13:26:25,284 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 13:26:25,284 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:26:25,288 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 13:26:25,289 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 13:26:25,310 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,310 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,310 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,310 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,310 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,310 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,311 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,311 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,311 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,311 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,311 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,311 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,311 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,312 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,312 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,312 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,312 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,312 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,312 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,312 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,313 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,313 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,313 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,313 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,313 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,314 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,314 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,314 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,314 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,314 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,315 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,315 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,315 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,315 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,316 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,316 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,316 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,316 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,316 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,316 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,317 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,317 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,317 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,317 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,317 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,318 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,318 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,318 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,318 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,318 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,318 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,319 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,319 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,319 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,319 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,320 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,320 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,320 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,320 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,320 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,320 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,321 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,321 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,321 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 13:26:25,334 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-07 13:26:25,348 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:26:25,349 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:26:25,349 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:26:25,349 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:26:25,349 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:26:25,349 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:26:25,349 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:26:25,349 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:26:25,359 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 180 transitions [2019-12-07 13:26:25,360 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-07 13:26:25,411 INFO L134 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-07 13:26:25,411 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 13:26:25,419 INFO L76 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 178 events. 41/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 460 event pairs. 6/141 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-07 13:26:25,429 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-07 13:26:25,452 INFO L134 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-07 13:26:25,452 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 13:26:25,455 INFO L76 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 178 events. 41/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 460 event pairs. 6/141 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-07 13:26:25,464 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10418 [2019-12-07 13:26:25,464 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 13:26:28,217 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-12-07 13:26:28,306 INFO L206 etLargeBlockEncoding]: Checked pairs total: 46090 [2019-12-07 13:26:28,306 INFO L214 etLargeBlockEncoding]: Total number of compositions: 101 [2019-12-07 13:26:28,308 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 91 transitions [2019-12-07 13:26:28,645 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8654 states. [2019-12-07 13:26:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 8654 states. [2019-12-07 13:26:28,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 13:26:28,650 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:28,650 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 13:26:28,651 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:28,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:28,654 INFO L82 PathProgramCache]: Analyzing trace with hash 722891, now seen corresponding path program 1 times [2019-12-07 13:26:28,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:28,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956564723] [2019-12-07 13:26:28,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:28,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956564723] [2019-12-07 13:26:28,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:28,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 13:26:28,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858713790] [2019-12-07 13:26:28,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:26:28,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:28,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:26:28,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:28,804 INFO L87 Difference]: Start difference. First operand 8654 states. Second operand 3 states. [2019-12-07 13:26:28,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:28,993 INFO L93 Difference]: Finished difference Result 8604 states and 28108 transitions. [2019-12-07 13:26:28,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:26:28,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-07 13:26:28,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:29,061 INFO L225 Difference]: With dead ends: 8604 [2019-12-07 13:26:29,061 INFO L226 Difference]: Without dead ends: 8436 [2019-12-07 13:26:29,062 INFO L630 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 [2019-12-07 13:26:29,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2019-12-07 13:26:29,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8436. [2019-12-07 13:26:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8436 states. [2019-12-07 13:26:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8436 states to 8436 states and 27590 transitions. [2019-12-07 13:26:29,356 INFO L78 Accepts]: Start accepts. Automaton has 8436 states and 27590 transitions. Word has length 3 [2019-12-07 13:26:29,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:29,357 INFO L462 AbstractCegarLoop]: Abstraction has 8436 states and 27590 transitions. [2019-12-07 13:26:29,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:26:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 8436 states and 27590 transitions. [2019-12-07 13:26:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 13:26:29,359 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:29,359 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:29,359 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:29,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:29,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1596153002, now seen corresponding path program 1 times [2019-12-07 13:26:29,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:29,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53327524] [2019-12-07 13:26:29,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:29,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53327524] [2019-12-07 13:26:29,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:29,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:26:29,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270318607] [2019-12-07 13:26:29,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:26:29,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:29,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:26:29,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:26:29,438 INFO L87 Difference]: Start difference. First operand 8436 states and 27590 transitions. Second operand 4 states. [2019-12-07 13:26:29,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:29,704 INFO L93 Difference]: Finished difference Result 13130 states and 41153 transitions. [2019-12-07 13:26:29,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:26:29,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 13:26:29,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:29,758 INFO L225 Difference]: With dead ends: 13130 [2019-12-07 13:26:29,758 INFO L226 Difference]: Without dead ends: 13123 [2019-12-07 13:26:29,759 INFO L630 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 [2019-12-07 13:26:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13123 states. [2019-12-07 13:26:30,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13123 to 11988. [2019-12-07 13:26:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11988 states. [2019-12-07 13:26:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11988 states to 11988 states and 38075 transitions. [2019-12-07 13:26:30,058 INFO L78 Accepts]: Start accepts. Automaton has 11988 states and 38075 transitions. Word has length 11 [2019-12-07 13:26:30,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:30,058 INFO L462 AbstractCegarLoop]: Abstraction has 11988 states and 38075 transitions. [2019-12-07 13:26:30,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:26:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 11988 states and 38075 transitions. [2019-12-07 13:26:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 13:26:30,060 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:30,060 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:30,060 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:30,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:30,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1194917716, now seen corresponding path program 1 times [2019-12-07 13:26:30,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:30,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278679714] [2019-12-07 13:26:30,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:30,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278679714] [2019-12-07 13:26:30,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:30,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:26:30,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181165206] [2019-12-07 13:26:30,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:26:30,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:30,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:26:30,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:26:30,107 INFO L87 Difference]: Start difference. First operand 11988 states and 38075 transitions. Second operand 4 states. [2019-12-07 13:26:30,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:30,251 INFO L93 Difference]: Finished difference Result 14736 states and 46267 transitions. [2019-12-07 13:26:30,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:26:30,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 13:26:30,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:30,277 INFO L225 Difference]: With dead ends: 14736 [2019-12-07 13:26:30,277 INFO L226 Difference]: Without dead ends: 14736 [2019-12-07 13:26:30,277 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:26:30,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14736 states. [2019-12-07 13:26:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14736 to 13160. [2019-12-07 13:26:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13160 states. [2019-12-07 13:26:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13160 states to 13160 states and 41689 transitions. [2019-12-07 13:26:30,531 INFO L78 Accepts]: Start accepts. Automaton has 13160 states and 41689 transitions. Word has length 11 [2019-12-07 13:26:30,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:30,531 INFO L462 AbstractCegarLoop]: Abstraction has 13160 states and 41689 transitions. [2019-12-07 13:26:30,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:26:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 13160 states and 41689 transitions. [2019-12-07 13:26:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:26:30,535 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:30,535 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:30,535 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:30,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:30,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1502155024, now seen corresponding path program 1 times [2019-12-07 13:26:30,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:30,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182683610] [2019-12-07 13:26:30,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:30,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182683610] [2019-12-07 13:26:30,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:30,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:26:30,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663405047] [2019-12-07 13:26:30,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:26:30,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:30,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:26:30,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:26:30,583 INFO L87 Difference]: Start difference. First operand 13160 states and 41689 transitions. Second operand 5 states. [2019-12-07 13:26:30,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:30,895 INFO L93 Difference]: Finished difference Result 17572 states and 54523 transitions. [2019-12-07 13:26:30,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:26:30,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-12-07 13:26:30,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:30,918 INFO L225 Difference]: With dead ends: 17572 [2019-12-07 13:26:30,918 INFO L226 Difference]: Without dead ends: 17565 [2019-12-07 13:26:30,918 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:26:30,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17565 states. [2019-12-07 13:26:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17565 to 13105. [2019-12-07 13:26:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13105 states. [2019-12-07 13:26:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13105 states to 13105 states and 41426 transitions. [2019-12-07 13:26:31,151 INFO L78 Accepts]: Start accepts. Automaton has 13105 states and 41426 transitions. Word has length 17 [2019-12-07 13:26:31,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:31,151 INFO L462 AbstractCegarLoop]: Abstraction has 13105 states and 41426 transitions. [2019-12-07 13:26:31,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:26:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 13105 states and 41426 transitions. [2019-12-07 13:26:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:26:31,160 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:31,160 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:31,160 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:31,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:31,160 INFO L82 PathProgramCache]: Analyzing trace with hash 933350131, now seen corresponding path program 1 times [2019-12-07 13:26:31,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:31,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184038734] [2019-12-07 13:26:31,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:31,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184038734] [2019-12-07 13:26:31,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:31,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:26:31,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722007406] [2019-12-07 13:26:31,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:26:31,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:31,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:26:31,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:31,193 INFO L87 Difference]: Start difference. First operand 13105 states and 41426 transitions. Second operand 3 states. [2019-12-07 13:26:31,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:31,269 INFO L93 Difference]: Finished difference Result 16057 states and 50095 transitions. [2019-12-07 13:26:31,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:26:31,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 13:26:31,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:31,295 INFO L225 Difference]: With dead ends: 16057 [2019-12-07 13:26:31,295 INFO L226 Difference]: Without dead ends: 16057 [2019-12-07 13:26:31,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:31,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16057 states. [2019-12-07 13:26:31,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16057 to 14186. [2019-12-07 13:26:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14186 states. [2019-12-07 13:26:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14186 states to 14186 states and 44710 transitions. [2019-12-07 13:26:31,607 INFO L78 Accepts]: Start accepts. Automaton has 14186 states and 44710 transitions. Word has length 25 [2019-12-07 13:26:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:31,608 INFO L462 AbstractCegarLoop]: Abstraction has 14186 states and 44710 transitions. [2019-12-07 13:26:31,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:26:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 14186 states and 44710 transitions. [2019-12-07 13:26:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:26:31,614 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:31,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:31,615 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:31,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:31,615 INFO L82 PathProgramCache]: Analyzing trace with hash 933194542, now seen corresponding path program 1 times [2019-12-07 13:26:31,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:31,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092412380] [2019-12-07 13:26:31,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:31,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092412380] [2019-12-07 13:26:31,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:31,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:26:31,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776199543] [2019-12-07 13:26:31,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:26:31,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:31,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:26:31,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:26:31,667 INFO L87 Difference]: Start difference. First operand 14186 states and 44710 transitions. Second operand 4 states. [2019-12-07 13:26:31,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:31,689 INFO L93 Difference]: Finished difference Result 2296 states and 5226 transitions. [2019-12-07 13:26:31,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:26:31,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-12-07 13:26:31,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:31,692 INFO L225 Difference]: With dead ends: 2296 [2019-12-07 13:26:31,692 INFO L226 Difference]: Without dead ends: 2019 [2019-12-07 13:26:31,692 INFO L630 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 [2019-12-07 13:26:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2019-12-07 13:26:31,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 2019. [2019-12-07 13:26:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2019 states. [2019-12-07 13:26:31,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 4460 transitions. [2019-12-07 13:26:31,711 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 4460 transitions. Word has length 25 [2019-12-07 13:26:31,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:31,711 INFO L462 AbstractCegarLoop]: Abstraction has 2019 states and 4460 transitions. [2019-12-07 13:26:31,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:26:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 4460 transitions. [2019-12-07 13:26:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 13:26:31,713 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:31,713 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:31,713 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:31,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:31,713 INFO L82 PathProgramCache]: Analyzing trace with hash -568804126, now seen corresponding path program 1 times [2019-12-07 13:26:31,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:31,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517707963] [2019-12-07 13:26:31,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:31,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517707963] [2019-12-07 13:26:31,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:31,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:26:31,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112417752] [2019-12-07 13:26:31,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:26:31,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:31,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:26:31,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:26:31,775 INFO L87 Difference]: Start difference. First operand 2019 states and 4460 transitions. Second operand 5 states. [2019-12-07 13:26:31,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:31,806 INFO L93 Difference]: Finished difference Result 416 states and 758 transitions. [2019-12-07 13:26:31,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:26:31,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 13:26:31,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:31,807 INFO L225 Difference]: With dead ends: 416 [2019-12-07 13:26:31,807 INFO L226 Difference]: Without dead ends: 371 [2019-12-07 13:26:31,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:26:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-12-07 13:26:31,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 343. [2019-12-07 13:26:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-12-07 13:26:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 618 transitions. [2019-12-07 13:26:31,811 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 618 transitions. Word has length 37 [2019-12-07 13:26:31,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:31,811 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 618 transitions. [2019-12-07 13:26:31,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:26:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 618 transitions. [2019-12-07 13:26:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 13:26:31,812 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:31,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:31,812 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:31,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:31,812 INFO L82 PathProgramCache]: Analyzing trace with hash -506418728, now seen corresponding path program 1 times [2019-12-07 13:26:31,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:31,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611624325] [2019-12-07 13:26:31,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:31,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:31,874 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611624325] [2019-12-07 13:26:31,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:31,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:26:31,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797322842] [2019-12-07 13:26:31,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:26:31,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:31,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:26:31,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:31,875 INFO L87 Difference]: Start difference. First operand 343 states and 618 transitions. Second operand 3 states. [2019-12-07 13:26:31,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:31,885 INFO L93 Difference]: Finished difference Result 331 states and 582 transitions. [2019-12-07 13:26:31,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:26:31,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-07 13:26:31,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:31,886 INFO L225 Difference]: With dead ends: 331 [2019-12-07 13:26:31,886 INFO L226 Difference]: Without dead ends: 331 [2019-12-07 13:26:31,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:31,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-12-07 13:26:31,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2019-12-07 13:26:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-12-07 13:26:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 582 transitions. [2019-12-07 13:26:31,890 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 582 transitions. Word has length 52 [2019-12-07 13:26:31,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:31,890 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 582 transitions. [2019-12-07 13:26:31,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:26:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 582 transitions. [2019-12-07 13:26:31,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 13:26:31,892 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:31,892 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:31,892 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:31,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:31,892 INFO L82 PathProgramCache]: Analyzing trace with hash -156128935, now seen corresponding path program 1 times [2019-12-07 13:26:31,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:31,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478603595] [2019-12-07 13:26:31,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:31,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478603595] [2019-12-07 13:26:31,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:31,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:26:31,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047573900] [2019-12-07 13:26:31,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:26:31,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:31,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:26:31,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:26:31,967 INFO L87 Difference]: Start difference. First operand 331 states and 582 transitions. Second operand 5 states. [2019-12-07 13:26:32,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:32,081 INFO L93 Difference]: Finished difference Result 487 states and 864 transitions. [2019-12-07 13:26:32,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:26:32,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-12-07 13:26:32,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:32,082 INFO L225 Difference]: With dead ends: 487 [2019-12-07 13:26:32,082 INFO L226 Difference]: Without dead ends: 487 [2019-12-07 13:26:32,083 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:26:32,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-12-07 13:26:32,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2019-12-07 13:26:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-12-07 13:26:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 748 transitions. [2019-12-07 13:26:32,086 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 748 transitions. Word has length 53 [2019-12-07 13:26:32,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:32,086 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 748 transitions. [2019-12-07 13:26:32,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:26:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 748 transitions. [2019-12-07 13:26:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 13:26:32,087 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:32,087 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:32,087 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:32,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:32,088 INFO L82 PathProgramCache]: Analyzing trace with hash -2022513439, now seen corresponding path program 2 times [2019-12-07 13:26:32,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:32,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848208111] [2019-12-07 13:26:32,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:32,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848208111] [2019-12-07 13:26:32,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:32,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:26:32,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609982785] [2019-12-07 13:26:32,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:26:32,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:32,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:26:32,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:32,160 INFO L87 Difference]: Start difference. First operand 422 states and 748 transitions. Second operand 3 states. [2019-12-07 13:26:32,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:32,193 INFO L93 Difference]: Finished difference Result 422 states and 747 transitions. [2019-12-07 13:26:32,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:26:32,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-12-07 13:26:32,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:32,194 INFO L225 Difference]: With dead ends: 422 [2019-12-07 13:26:32,194 INFO L226 Difference]: Without dead ends: 422 [2019-12-07 13:26:32,194 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:26:32,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-12-07 13:26:32,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 331. [2019-12-07 13:26:32,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-12-07 13:26:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 581 transitions. [2019-12-07 13:26:32,197 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 581 transitions. Word has length 53 [2019-12-07 13:26:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:32,198 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 581 transitions. [2019-12-07 13:26:32,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:26:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 581 transitions. [2019-12-07 13:26:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 13:26:32,198 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:32,198 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:32,198 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:32,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:32,199 INFO L82 PathProgramCache]: Analyzing trace with hash -731863498, now seen corresponding path program 1 times [2019-12-07 13:26:32,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:32,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427276835] [2019-12-07 13:26:32,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:32,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427276835] [2019-12-07 13:26:32,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:32,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:26:32,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464035307] [2019-12-07 13:26:32,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:26:32,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:32,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:26:32,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:26:32,286 INFO L87 Difference]: Start difference. First operand 331 states and 581 transitions. Second operand 7 states. [2019-12-07 13:26:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:32,345 INFO L93 Difference]: Finished difference Result 534 states and 938 transitions. [2019-12-07 13:26:32,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:26:32,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-12-07 13:26:32,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:32,346 INFO L225 Difference]: With dead ends: 534 [2019-12-07 13:26:32,346 INFO L226 Difference]: Without dead ends: 245 [2019-12-07 13:26:32,346 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:26:32,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-12-07 13:26:32,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 221. [2019-12-07 13:26:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-12-07 13:26:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 391 transitions. [2019-12-07 13:26:32,349 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 391 transitions. Word has length 54 [2019-12-07 13:26:32,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:32,349 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 391 transitions. [2019-12-07 13:26:32,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:26:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 391 transitions. [2019-12-07 13:26:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 13:26:32,349 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:32,349 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:32,350 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:32,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:32,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1034362442, now seen corresponding path program 2 times [2019-12-07 13:26:32,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:32,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946098876] [2019-12-07 13:26:32,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:32,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946098876] [2019-12-07 13:26:32,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:32,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-12-07 13:26:32,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020378599] [2019-12-07 13:26:32,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 13:26:32,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:32,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 13:26:32,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2019-12-07 13:26:32,618 INFO L87 Difference]: Start difference. First operand 221 states and 391 transitions. Second operand 17 states. [2019-12-07 13:26:33,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:33,414 INFO L93 Difference]: Finished difference Result 512 states and 883 transitions. [2019-12-07 13:26:33,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-12-07 13:26:33,414 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 54 [2019-12-07 13:26:33,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:33,415 INFO L225 Difference]: With dead ends: 512 [2019-12-07 13:26:33,415 INFO L226 Difference]: Without dead ends: 479 [2019-12-07 13:26:33,416 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2019-12-07 13:26:33,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2019-12-07 13:26:33,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 331. [2019-12-07 13:26:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-12-07 13:26:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 581 transitions. [2019-12-07 13:26:33,419 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 581 transitions. Word has length 54 [2019-12-07 13:26:33,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:33,419 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 581 transitions. [2019-12-07 13:26:33,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 13:26:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 581 transitions. [2019-12-07 13:26:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 13:26:33,419 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:33,419 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:33,420 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:33,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:33,420 INFO L82 PathProgramCache]: Analyzing trace with hash -633776330, now seen corresponding path program 3 times [2019-12-07 13:26:33,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:33,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966098807] [2019-12-07 13:26:33,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:33,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966098807] [2019-12-07 13:26:33,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:33,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 13:26:33,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762886471] [2019-12-07 13:26:33,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 13:26:33,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:33,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 13:26:33,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:26:33,655 INFO L87 Difference]: Start difference. First operand 331 states and 581 transitions. Second operand 13 states. [2019-12-07 13:26:33,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:33,962 INFO L93 Difference]: Finished difference Result 510 states and 859 transitions. [2019-12-07 13:26:33,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 13:26:33,963 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2019-12-07 13:26:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:33,963 INFO L225 Difference]: With dead ends: 510 [2019-12-07 13:26:33,963 INFO L226 Difference]: Without dead ends: 477 [2019-12-07 13:26:33,964 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2019-12-07 13:26:33,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-12-07 13:26:33,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 331. [2019-12-07 13:26:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-12-07 13:26:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 581 transitions. [2019-12-07 13:26:33,966 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 581 transitions. Word has length 54 [2019-12-07 13:26:33,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:33,967 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 581 transitions. [2019-12-07 13:26:33,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 13:26:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 581 transitions. [2019-12-07 13:26:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 13:26:33,967 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:33,967 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:33,967 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1628225012, now seen corresponding path program 4 times [2019-12-07 13:26:33,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:33,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414852882] [2019-12-07 13:26:33,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:34,157 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414852882] [2019-12-07 13:26:34,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:34,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-12-07 13:26:34,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581399986] [2019-12-07 13:26:34,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 13:26:34,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:34,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 13:26:34,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 13:26:34,158 INFO L87 Difference]: Start difference. First operand 331 states and 581 transitions. Second operand 15 states. [2019-12-07 13:26:34,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:34,519 INFO L93 Difference]: Finished difference Result 528 states and 890 transitions. [2019-12-07 13:26:34,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 13:26:34,519 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 54 [2019-12-07 13:26:34,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:34,520 INFO L225 Difference]: With dead ends: 528 [2019-12-07 13:26:34,520 INFO L226 Difference]: Without dead ends: 495 [2019-12-07 13:26:34,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2019-12-07 13:26:34,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-12-07 13:26:34,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 332. [2019-12-07 13:26:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2019-12-07 13:26:34,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 582 transitions. [2019-12-07 13:26:34,523 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 582 transitions. Word has length 54 [2019-12-07 13:26:34,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:34,524 INFO L462 AbstractCegarLoop]: Abstraction has 332 states and 582 transitions. [2019-12-07 13:26:34,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 13:26:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 582 transitions. [2019-12-07 13:26:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 13:26:34,524 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:34,524 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:34,524 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:34,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:34,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1116378532, now seen corresponding path program 5 times [2019-12-07 13:26:34,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:34,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374018640] [2019-12-07 13:26:34,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:26:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:26:34,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374018640] [2019-12-07 13:26:34,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:26:34,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-12-07 13:26:34,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822630305] [2019-12-07 13:26:34,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 13:26:34,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 13:26:34,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 13:26:34,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-12-07 13:26:34,724 INFO L87 Difference]: Start difference. First operand 332 states and 582 transitions. Second operand 16 states. [2019-12-07 13:26:35,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:26:35,115 INFO L93 Difference]: Finished difference Result 482 states and 811 transitions. [2019-12-07 13:26:35,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 13:26:35,115 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 54 [2019-12-07 13:26:35,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:26:35,116 INFO L225 Difference]: With dead ends: 482 [2019-12-07 13:26:35,116 INFO L226 Difference]: Without dead ends: 449 [2019-12-07 13:26:35,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2019-12-07 13:26:35,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-12-07 13:26:35,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 329. [2019-12-07 13:26:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-12-07 13:26:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 576 transitions. [2019-12-07 13:26:35,119 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 576 transitions. Word has length 54 [2019-12-07 13:26:35,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:26:35,119 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 576 transitions. [2019-12-07 13:26:35,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 13:26:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 576 transitions. [2019-12-07 13:26:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 13:26:35,120 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:26:35,120 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:26:35,120 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:26:35,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:26:35,120 INFO L82 PathProgramCache]: Analyzing trace with hash -91775718, now seen corresponding path program 6 times [2019-12-07 13:26:35,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 13:26:35,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370734862] [2019-12-07 13:26:35,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:26:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:26:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:26:35,194 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 13:26:35,194 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:26:35,197 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [702] [702] ULTIMATE.startENTRY-->L779: Formula: (let ((.cse0 (store |v_#valid_47| 0 0))) (and (= 0 v_~y$read_delayed_var~0.base_6) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2009~0.base_24| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2009~0.base_24|) |v_ULTIMATE.start_main_~#t2009~0.offset_19| 0))) (= v_~y$r_buff1_thd0~0_329 0) (= v_~y$w_buff0_used~0_834 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t2009~0.base_24|) (= 0 v_~__unbuffered_cnt~0_61) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2009~0.base_24|)) (= 0 v_~weak$$choice0~0_14) (= v_~y$r_buff1_thd1~0_200 0) (= 0 v_~x~0_147) (= 0 |v_ULTIMATE.start_main_~#t2009~0.offset_19|) (= |v_#NULL.offset_3| 0) (= |v_#valid_45| (store .cse0 |v_ULTIMATE.start_main_~#t2009~0.base_24| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2009~0.base_24| 4)) (= v_~main$tmp_guard1~0_27 0) (= v_~y$read_delayed~0_6 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 v_~y$r_buff1_thd2~0_208) (= 0 v_~y$r_buff0_thd2~0_162) (= v_~y$mem_tmp~0_19 0) (= v_~weak$$choice2~0_141 0) (= v_~y$w_buff1_used~0_547 0) (= v_~y$r_buff0_thd1~0_297 0) (= 0 v_~y$flush_delayed~0_36) (= v_~main$tmp_guard0~0_33 0) (= 0 |v_#NULL.base_3|) (= 0 v_~y$w_buff0~0_485) (= 0 v_~y$read_delayed_var~0.offset_6) (= v_~y$r_buff0_thd0~0_416 0) (= v_~y~0_146 0) (< 0 |v_#StackHeapBarrier_13|) (= v_~y$w_buff1~0_308 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_41|, ULTIMATE.start_main_~#t2009~0.offset=|v_ULTIMATE.start_main_~#t2009~0.offset_19|, #NULL.offset=|v_#NULL.offset_3|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_35|, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_145|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_48|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_37|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_36|, ~y$read_delayed~0=v_~y$read_delayed~0_6, ~y$mem_tmp~0=v_~y$mem_tmp~0_19, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, ~y$r_buff0_thd1~0=v_~y$r_buff0_thd1~0_297, ~y$flush_delayed~0=v_~y$flush_delayed~0_36, #length=|v_#length_13|, ULTIMATE.start_main_~#t2010~0.base=|v_ULTIMATE.start_main_~#t2010~0.base_19|, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_36|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_38|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_21|, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_27|, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_41|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_44|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_38|, ~weak$$choice0~0=v_~weak$$choice0~0_14, #StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_36|, ~y$w_buff1~0=v_~y$w_buff1~0_308, ~y$read_delayed_var~0.base=v_~y$read_delayed_var~0.base_6, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_162, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_61, ~y$r_buff1_thd0~0=v_~y$r_buff1_thd0~0_329, ~x~0=v_~x~0_147, ~y$read_delayed_var~0.offset=v_~y$read_delayed_var~0.offset_6, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_834, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_36|, ULTIMATE.start_main_~#t2009~0.base=|v_ULTIMATE.start_main_~#t2009~0.base_24|, ULTIMATE.start_main_#t~ite25=|v_ULTIMATE.start_main_#t~ite25_33|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_43|, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_33|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_42|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_34|, ~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_200, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_34|, ~y$w_buff0~0=v_~y$w_buff0~0_485, ~y~0=v_~y~0_146, ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_29|, ULTIMATE.start_main_#t~nondet23=|v_ULTIMATE.start_main_#t~nondet23_21|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_33|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_53|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_27|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_33, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_35|, #NULL.base=|v_#NULL.base_3|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_40|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_208, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_37|, ULTIMATE.start_main_~#t2010~0.offset=|v_ULTIMATE.start_main_~#t2010~0.offset_16|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_416, #valid=|v_#valid_45|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_14|, ~weak$$choice2~0=v_~weak$$choice2~0_141, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_547} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite28, ULTIMATE.start_main_~#t2009~0.offset, #NULL.offset, ULTIMATE.start_main_#t~ite26, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~y$read_delayed~0, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$r_buff0_thd1~0, ~y$flush_delayed~0, #length, ULTIMATE.start_main_~#t2010~0.base, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ~y$w_buff1~0, ~y$read_delayed_var~0.base, ~y$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet15, ~__unbuffered_cnt~0, ~y$r_buff1_thd0~0, ~x~0, ~y$read_delayed_var~0.offset, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_~#t2009~0.base, ULTIMATE.start_main_#t~ite25, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite44, ~y$r_buff1_thd1~0, ULTIMATE.start_main_#t~ite30, ~y$w_buff0~0, ~y~0, ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~nondet23, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~ite32, #NULL.base, ULTIMATE.start_main_#t~ite34, ~y$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_~#t2010~0.offset, ULTIMATE.start_main_#res, ~y$r_buff0_thd0~0, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ~weak$$choice2~0, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-07 13:26:35,197 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [675] [675] L779-1-->L781: Formula: (and (= |v_ULTIMATE.start_main_~#t2010~0.offset_10| 0) (not (= |v_ULTIMATE.start_main_~#t2010~0.base_11| 0)) (= (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2010~0.base_11| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2010~0.base_11|) |v_ULTIMATE.start_main_~#t2010~0.offset_10| 1)) |v_#memory_int_7|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2010~0.base_11|)) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t2010~0.base_11| 4) |v_#length_9|) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2010~0.base_11| 1)) (< |v_#StackHeapBarrier_8| |v_ULTIMATE.start_main_~#t2010~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_8|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{ULTIMATE.start_main_~#t2010~0.base=|v_ULTIMATE.start_main_~#t2010~0.base_11|, #StackHeapBarrier=|v_#StackHeapBarrier_8|, ULTIMATE.start_main_~#t2010~0.offset=|v_ULTIMATE.start_main_~#t2010~0.offset_10|, #valid=|v_#valid_27|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, #length=|v_#length_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2010~0.base, ULTIMATE.start_main_~#t2010~0.offset, #valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length] because there is no mapped edge [2019-12-07 13:26:35,197 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [638] [638] P0ENTRY-->L4-3: Formula: (and (= v_~y$w_buff1~0_121 v_~y$w_buff0~0_204) (not (= v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_98 0)) (= v_P0Thread1of1ForFork0_~arg.base_94 |v_P0Thread1of1ForFork0_#in~arg.base_96|) (= 2 v_~y$w_buff0~0_203) (= |v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_94| (ite (not (and (not (= 0 (mod v_~y$w_buff0_used~0_349 256))) (not (= 0 (mod v_~y$w_buff1_used~0_210 256))))) 1 0)) (= v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_98 |v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_94|) (= v_P0Thread1of1ForFork0_~arg.offset_94 |v_P0Thread1of1ForFork0_#in~arg.offset_96|) (= v_~y$w_buff0_used~0_350 v_~y$w_buff1_used~0_210) (= v_~y$w_buff0_used~0_349 1)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_96|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_350, ~y$w_buff0~0=v_~y$w_buff0~0_204, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_96|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_96|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_349, ~y$w_buff1~0=v_~y$w_buff1~0_121, ~y$w_buff0~0=v_~y$w_buff0~0_203, P0Thread1of1ForFork0___VERIFIER_assert_~expression=v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_98, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_96|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_94, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression=|v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_94|, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_94, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_210} AuxVars[] AssignedVars[~y$w_buff0_used~0, ~y$w_buff1~0, ~y$w_buff0~0, P0Thread1of1ForFork0___VERIFIER_assert_~expression, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression, P0Thread1of1ForFork0_~arg.offset, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-07 13:26:35,198 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [642] [642] L756-2-->L756-4: Formula: (let ((.cse1 (= (mod ~y$r_buff1_thd2~0_In-1654057172 256) 0)) (.cse0 (= (mod ~y$w_buff1_used~0_In-1654057172 256) 0))) (or (and (= |P1Thread1of1ForFork1_#t~ite9_Out-1654057172| ~y~0_In-1654057172) (or .cse0 .cse1)) (and (= |P1Thread1of1ForFork1_#t~ite9_Out-1654057172| ~y$w_buff1~0_In-1654057172) (not .cse1) (not .cse0)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1654057172, ~y$w_buff1~0=~y$w_buff1~0_In-1654057172, ~y~0=~y~0_In-1654057172, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1654057172} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1654057172, ~y$w_buff1~0=~y$w_buff1~0_In-1654057172, P1Thread1of1ForFork1_#t~ite9=|P1Thread1of1ForFork1_#t~ite9_Out-1654057172|, ~y~0=~y~0_In-1654057172, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1654057172} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite9] because there is no mapped edge [2019-12-07 13:26:35,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [621] [621] L756-4-->L757: Formula: (= |v_P1Thread1of1ForFork1_#t~ite9_8| v_~y~0_41) InVars {P1Thread1of1ForFork1_#t~ite9=|v_P1Thread1of1ForFork1_#t~ite9_8|} OutVars{P1Thread1of1ForFork1_#t~ite9=|v_P1Thread1of1ForFork1_#t~ite9_7|, P1Thread1of1ForFork1_#t~ite10=|v_P1Thread1of1ForFork1_#t~ite10_13|, ~y~0=v_~y~0_41} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite9, P1Thread1of1ForFork1_#t~ite10, ~y~0] because there is no mapped edge [2019-12-07 13:26:35,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [646] [646] L757-->L757-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd2~0_In-426331160 256) 0)) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In-426331160 256)))) (or (and (not .cse0) (not .cse1) (= |P1Thread1of1ForFork1_#t~ite11_Out-426331160| 0)) (and (or .cse0 .cse1) (= ~y$w_buff0_used~0_In-426331160 |P1Thread1of1ForFork1_#t~ite11_Out-426331160|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-426331160, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-426331160} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-426331160, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-426331160, P1Thread1of1ForFork1_#t~ite11=|P1Thread1of1ForFork1_#t~ite11_Out-426331160|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite11] because there is no mapped edge [2019-12-07 13:26:35,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [659] [659] L758-->L758-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd2~0_In-796818300 256) 0)) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In-796818300 256))) (.cse3 (= 0 (mod ~y$r_buff1_thd2~0_In-796818300 256))) (.cse2 (= (mod ~y$w_buff1_used~0_In-796818300 256) 0))) (or (and (= |P1Thread1of1ForFork1_#t~ite12_Out-796818300| ~y$w_buff1_used~0_In-796818300) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= |P1Thread1of1ForFork1_#t~ite12_Out-796818300| 0) (or (and (not .cse0) (not .cse1)) (and (not .cse3) (not .cse2)))))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-796818300, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-796818300, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-796818300, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-796818300} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-796818300, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-796818300, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-796818300, P1Thread1of1ForFork1_#t~ite12=|P1Thread1of1ForFork1_#t~ite12_Out-796818300|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-796818300} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite12] because there is no mapped edge [2019-12-07 13:26:35,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [645] [645] L759-->L759-2: Formula: (let ((.cse0 (= 0 (mod ~y$r_buff0_thd2~0_In1667329230 256))) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In1667329230 256)))) (or (and (= 0 |P1Thread1of1ForFork1_#t~ite13_Out1667329230|) (not .cse0) (not .cse1)) (and (or .cse0 .cse1) (= ~y$r_buff0_thd2~0_In1667329230 |P1Thread1of1ForFork1_#t~ite13_Out1667329230|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1667329230, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1667329230} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1667329230, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1667329230, P1Thread1of1ForFork1_#t~ite13=|P1Thread1of1ForFork1_#t~ite13_Out1667329230|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite13] because there is no mapped edge [2019-12-07 13:26:35,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [652] [652] L760-->L760-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff1_used~0_In-783320079 256))) (.cse0 (= 0 (mod ~y$r_buff1_thd2~0_In-783320079 256))) (.cse3 (= (mod ~y$r_buff0_thd2~0_In-783320079 256) 0)) (.cse2 (= (mod ~y$w_buff0_used~0_In-783320079 256) 0))) (or (and (or .cse0 .cse1) (= ~y$r_buff1_thd2~0_In-783320079 |P1Thread1of1ForFork1_#t~ite14_Out-783320079|) (or .cse2 .cse3)) (and (= 0 |P1Thread1of1ForFork1_#t~ite14_Out-783320079|) (or (and (not .cse1) (not .cse0)) (and (not .cse3) (not .cse2)))))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-783320079, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-783320079, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-783320079, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-783320079} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-783320079, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-783320079, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-783320079, P1Thread1of1ForFork1_#t~ite14=|P1Thread1of1ForFork1_#t~ite14_Out-783320079|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-783320079} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite14] because there is no mapped edge [2019-12-07 13:26:35,199 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [685] [685] L760-2-->P1EXIT: Formula: (and (= |v_P1Thread1of1ForFork1_#t~ite14_28| v_~y$r_buff1_thd2~0_91) (= (+ v_~__unbuffered_cnt~0_39 1) v_~__unbuffered_cnt~0_38) (= 0 |v_P1Thread1of1ForFork1_#res.base_3|) (= |v_P1Thread1of1ForFork1_#res.offset_3| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_39, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_28|} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_91, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_38, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_27|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#t~ite14, P1Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-07 13:26:35,200 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [655] [655] L737-->L737-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In-2013722484 256))) (.cse0 (= (mod ~y$r_buff0_thd1~0_In-2013722484 256) 0))) (or (and (not .cse0) (not .cse1) (= |P0Thread1of1ForFork0_#t~ite5_Out-2013722484| 0)) (and (= |P0Thread1of1ForFork0_#t~ite5_Out-2013722484| ~y$w_buff0_used~0_In-2013722484) (or .cse1 .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-2013722484, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-2013722484} OutVars{P0Thread1of1ForFork0_#t~ite5=|P0Thread1of1ForFork0_#t~ite5_Out-2013722484|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-2013722484, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-2013722484} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite5] because there is no mapped edge [2019-12-07 13:26:35,200 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [641] [641] L738-->L738-2: Formula: (let ((.cse3 (= (mod ~y$r_buff0_thd1~0_In71813464 256) 0)) (.cse2 (= (mod ~y$w_buff0_used~0_In71813464 256) 0)) (.cse1 (= 0 (mod ~y$r_buff1_thd1~0_In71813464 256))) (.cse0 (= (mod ~y$w_buff1_used~0_In71813464 256) 0))) (or (and (= ~y$w_buff1_used~0_In71813464 |P0Thread1of1ForFork0_#t~ite6_Out71813464|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |P0Thread1of1ForFork0_#t~ite6_Out71813464|) (or (and (not .cse3) (not .cse2)) (and (not .cse1) (not .cse0)))))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In71813464, ~y$w_buff0_used~0=~y$w_buff0_used~0_In71813464, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In71813464, ~y$w_buff1_used~0=~y$w_buff1_used~0_In71813464} OutVars{P0Thread1of1ForFork0_#t~ite6=|P0Thread1of1ForFork0_#t~ite6_Out71813464|, ~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In71813464, ~y$w_buff0_used~0=~y$w_buff0_used~0_In71813464, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In71813464, ~y$w_buff1_used~0=~y$w_buff1_used~0_In71813464} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite6] because there is no mapped edge [2019-12-07 13:26:35,200 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [643] [643] L739-->L740: Formula: (let ((.cse0 (= (mod ~y$w_buff0_used~0_In1058824731 256) 0)) (.cse2 (= ~y$r_buff0_thd1~0_Out1058824731 ~y$r_buff0_thd1~0_In1058824731)) (.cse1 (= (mod ~y$r_buff0_thd1~0_In1058824731 256) 0))) (or (and (= ~y$r_buff0_thd1~0_Out1058824731 0) (not .cse0) (not .cse1)) (and .cse0 .cse2) (and .cse2 .cse1))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1058824731, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In1058824731} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1058824731, P0Thread1of1ForFork0_#t~ite7=|P0Thread1of1ForFork0_#t~ite7_Out1058824731|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_Out1058824731} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite7, ~y$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 13:26:35,200 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [657] [657] L740-->L740-2: Formula: (let ((.cse2 (= (mod ~y$r_buff1_thd1~0_In-1854113722 256) 0)) (.cse3 (= (mod ~y$w_buff1_used~0_In-1854113722 256) 0)) (.cse0 (= 0 (mod ~y$r_buff0_thd1~0_In-1854113722 256))) (.cse1 (= (mod ~y$w_buff0_used~0_In-1854113722 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P0Thread1of1ForFork0_#t~ite8_Out-1854113722| 0)) (and (or .cse2 .cse3) (or .cse0 .cse1) (= |P0Thread1of1ForFork0_#t~ite8_Out-1854113722| ~y$r_buff1_thd1~0_In-1854113722)))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-1854113722, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1854113722, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1854113722, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1854113722} OutVars{~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-1854113722, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1854113722, P0Thread1of1ForFork0_#t~ite8=|P0Thread1of1ForFork0_#t~ite8_Out-1854113722|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1854113722, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1854113722} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite8] because there is no mapped edge [2019-12-07 13:26:35,200 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [668] [668] L740-2-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork0_#res.offset_3| 0) (= v_~y$r_buff1_thd1~0_80 |v_P0Thread1of1ForFork0_#t~ite8_28|) (= 0 |v_P0Thread1of1ForFork0_#res.base_3|) (= v_~__unbuffered_cnt~0_31 (+ v_~__unbuffered_cnt~0_32 1))) InVars {P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_28|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_32} OutVars{~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_80, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_27|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_31} AuxVars[] AssignedVars[~y$r_buff1_thd1~0, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#t~ite8, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] because there is no mapped edge [2019-12-07 13:26:35,200 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [577] [577] L785-->L787-2: Formula: (and (not (= (mod v_~main$tmp_guard0~0_4 256) 0)) (or (= (mod v_~y$w_buff0_used~0_67 256) 0) (= 0 (mod v_~y$r_buff0_thd0~0_44 256)))) InVars {~y$w_buff0_used~0=v_~y$w_buff0_used~0_67, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_44, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_4} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_67, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_44, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_4} AuxVars[] AssignedVars[] because there is no mapped edge [2019-12-07 13:26:35,201 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [656] [656] L787-2-->L787-5: Formula: (let ((.cse2 (= 0 (mod ~y$w_buff1_used~0_In-393329042 256))) (.cse0 (= (mod ~y$r_buff1_thd0~0_In-393329042 256) 0)) (.cse1 (= |ULTIMATE.start_main_#t~ite17_Out-393329042| |ULTIMATE.start_main_#t~ite18_Out-393329042|))) (or (and (= |ULTIMATE.start_main_#t~ite17_Out-393329042| ~y$w_buff1~0_In-393329042) (not .cse0) .cse1 (not .cse2)) (and (or .cse2 .cse0) .cse1 (= |ULTIMATE.start_main_#t~ite17_Out-393329042| ~y~0_In-393329042)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-393329042, ~y~0=~y~0_In-393329042, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-393329042, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-393329042} OutVars{ULTIMATE.start_main_#t~ite17=|ULTIMATE.start_main_#t~ite17_Out-393329042|, ~y$w_buff1~0=~y$w_buff1~0_In-393329042, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out-393329042|, ~y~0=~y~0_In-393329042, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-393329042, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-393329042} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~ite18] because there is no mapped edge [2019-12-07 13:26:35,201 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [644] [644] L788-->L788-2: Formula: (let ((.cse0 (= (mod ~y$w_buff0_used~0_In-2002898269 256) 0)) (.cse1 (= (mod ~y$r_buff0_thd0~0_In-2002898269 256) 0))) (or (and (or .cse0 .cse1) (= ~y$w_buff0_used~0_In-2002898269 |ULTIMATE.start_main_#t~ite19_Out-2002898269|)) (and (not .cse0) (not .cse1) (= 0 |ULTIMATE.start_main_#t~ite19_Out-2002898269|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-2002898269, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-2002898269} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-2002898269, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out-2002898269|, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-2002898269} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-07 13:26:35,201 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [648] [648] L789-->L789-2: Formula: (let ((.cse1 (= (mod ~y$w_buff1_used~0_In860143180 256) 0)) (.cse0 (= (mod ~y$r_buff1_thd0~0_In860143180 256) 0)) (.cse2 (= 0 (mod ~y$r_buff0_thd0~0_In860143180 256))) (.cse3 (= 0 (mod ~y$w_buff0_used~0_In860143180 256)))) (or (and (= 0 |ULTIMATE.start_main_#t~ite20_Out860143180|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (= ~y$w_buff1_used~0_In860143180 |ULTIMATE.start_main_#t~ite20_Out860143180|) (or .cse1 .cse0) (or .cse2 .cse3)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In860143180, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In860143180, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In860143180, ~y$w_buff1_used~0=~y$w_buff1_used~0_In860143180} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In860143180, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In860143180, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out860143180|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In860143180, ~y$w_buff1_used~0=~y$w_buff1_used~0_In860143180} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-07 13:26:35,201 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [639] [639] L790-->L790-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff0_thd0~0_In1516263488 256))) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In1516263488 256)))) (or (and (= |ULTIMATE.start_main_#t~ite21_Out1516263488| ~y$r_buff0_thd0~0_In1516263488) (or .cse0 .cse1)) (and (= |ULTIMATE.start_main_#t~ite21_Out1516263488| 0) (not .cse1) (not .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1516263488, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1516263488} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1516263488, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1516263488, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out1516263488|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-07 13:26:35,201 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [651] [651] L791-->L791-2: Formula: (let ((.cse3 (= 0 (mod ~y$r_buff1_thd0~0_In625396931 256))) (.cse2 (= (mod ~y$w_buff1_used~0_In625396931 256) 0)) (.cse1 (= (mod ~y$w_buff0_used~0_In625396931 256) 0)) (.cse0 (= (mod ~y$r_buff0_thd0~0_In625396931 256) 0))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= ~y$r_buff1_thd0~0_In625396931 |ULTIMATE.start_main_#t~ite22_Out625396931|)) (and (= 0 |ULTIMATE.start_main_#t~ite22_Out625396931|) (or (and (not .cse3) (not .cse2)) (and (not .cse1) (not .cse0)))))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In625396931, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In625396931, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In625396931, ~y$w_buff1_used~0=~y$w_buff1_used~0_In625396931} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In625396931, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In625396931, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In625396931, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out625396931|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In625396931} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-07 13:26:35,202 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [689] [689] L800-->L800-8: Formula: (let ((.cse1 (= 0 (mod ~weak$$choice2~0_In-1967859171 256)))) (or (and (let ((.cse0 (= (mod ~y$r_buff0_thd0~0_In-1967859171 256) 0))) (or (and .cse0 (= 0 (mod ~y$w_buff1_used~0_In-1967859171 256))) (and .cse0 (= 0 (mod ~y$r_buff1_thd0~0_In-1967859171 256))) (= 0 (mod ~y$w_buff0_used~0_In-1967859171 256)))) (= |ULTIMATE.start_main_#t~ite31_Out-1967859171| |ULTIMATE.start_main_#t~ite32_Out-1967859171|) .cse1 (= |ULTIMATE.start_main_#t~ite31_Out-1967859171| ~y$w_buff1~0_In-1967859171)) (and (= ~y$w_buff1~0_In-1967859171 |ULTIMATE.start_main_#t~ite32_Out-1967859171|) (= |ULTIMATE.start_main_#t~ite31_In-1967859171| |ULTIMATE.start_main_#t~ite31_Out-1967859171|) (not .cse1)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-1967859171, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1967859171, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1967859171, ~weak$$choice2~0=~weak$$choice2~0_In-1967859171, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_In-1967859171|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1967859171, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1967859171} OutVars{~y$w_buff1~0=~y$w_buff1~0_In-1967859171, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1967859171, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1967859171, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_Out-1967859171|, ~weak$$choice2~0=~weak$$choice2~0_In-1967859171, ULTIMATE.start_main_#t~ite32=|ULTIMATE.start_main_#t~ite32_Out-1967859171|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1967859171, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1967859171} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite32] because there is no mapped edge [2019-12-07 13:26:35,203 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [637] [637] L803-->L804: Formula: (and (= v_~y$r_buff0_thd0~0_162 v_~y$r_buff0_thd0~0_163) (not (= (mod v_~weak$$choice2~0_39 256) 0))) InVars {~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_163, ~weak$$choice2~0=v_~weak$$choice2~0_39} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_9|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_11|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_18|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_162, ~weak$$choice2~0=v_~weak$$choice2~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0] because there is no mapped edge [2019-12-07 13:26:35,204 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [686] [686] L806-->L809-1: Formula: (and (= 0 v_~y$flush_delayed~0_24) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| (mod v_~main$tmp_guard1~0_12 256)) (not (= 0 (mod v_~y$flush_delayed~0_25 256))) (= v_~y~0_106 v_~y$mem_tmp~0_13)) InVars {~y$mem_tmp~0=v_~y$mem_tmp~0_13, ~y$flush_delayed~0=v_~y$flush_delayed~0_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12} OutVars{~y$mem_tmp~0=v_~y$mem_tmp~0_13, ~y$flush_delayed~0=v_~y$flush_delayed~0_24, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12, ~y~0=v_~y~0_106, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_22|, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~y$flush_delayed~0, ~y~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 13:26:35,204 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [680] [680] L809-1-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 0)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_10, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-07 13:26:35,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:26:35 BasicIcfg [2019-12-07 13:26:35,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:26:35,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:26:35,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:26:35,246 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:26:35,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:25" (3/4) ... [2019-12-07 13:26:35,248 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:26:35,248 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [702] [702] ULTIMATE.startENTRY-->L779: Formula: (let ((.cse0 (store |v_#valid_47| 0 0))) (and (= 0 v_~y$read_delayed_var~0.base_6) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2009~0.base_24| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2009~0.base_24|) |v_ULTIMATE.start_main_~#t2009~0.offset_19| 0))) (= v_~y$r_buff1_thd0~0_329 0) (= v_~y$w_buff0_used~0_834 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t2009~0.base_24|) (= 0 v_~__unbuffered_cnt~0_61) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2009~0.base_24|)) (= 0 v_~weak$$choice0~0_14) (= v_~y$r_buff1_thd1~0_200 0) (= 0 v_~x~0_147) (= 0 |v_ULTIMATE.start_main_~#t2009~0.offset_19|) (= |v_#NULL.offset_3| 0) (= |v_#valid_45| (store .cse0 |v_ULTIMATE.start_main_~#t2009~0.base_24| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2009~0.base_24| 4)) (= v_~main$tmp_guard1~0_27 0) (= v_~y$read_delayed~0_6 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 v_~y$r_buff1_thd2~0_208) (= 0 v_~y$r_buff0_thd2~0_162) (= v_~y$mem_tmp~0_19 0) (= v_~weak$$choice2~0_141 0) (= v_~y$w_buff1_used~0_547 0) (= v_~y$r_buff0_thd1~0_297 0) (= 0 v_~y$flush_delayed~0_36) (= v_~main$tmp_guard0~0_33 0) (= 0 |v_#NULL.base_3|) (= 0 v_~y$w_buff0~0_485) (= 0 v_~y$read_delayed_var~0.offset_6) (= v_~y$r_buff0_thd0~0_416 0) (= v_~y~0_146 0) (< 0 |v_#StackHeapBarrier_13|) (= v_~y$w_buff1~0_308 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_41|, ULTIMATE.start_main_~#t2009~0.offset=|v_ULTIMATE.start_main_~#t2009~0.offset_19|, #NULL.offset=|v_#NULL.offset_3|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_35|, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_145|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_48|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_37|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_36|, ~y$read_delayed~0=v_~y$read_delayed~0_6, ~y$mem_tmp~0=v_~y$mem_tmp~0_19, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, ~y$r_buff0_thd1~0=v_~y$r_buff0_thd1~0_297, ~y$flush_delayed~0=v_~y$flush_delayed~0_36, #length=|v_#length_13|, ULTIMATE.start_main_~#t2010~0.base=|v_ULTIMATE.start_main_~#t2010~0.base_19|, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_36|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_38|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_21|, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_27|, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_41|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_44|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_38|, ~weak$$choice0~0=v_~weak$$choice0~0_14, #StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_36|, ~y$w_buff1~0=v_~y$w_buff1~0_308, ~y$read_delayed_var~0.base=v_~y$read_delayed_var~0.base_6, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_162, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_61, ~y$r_buff1_thd0~0=v_~y$r_buff1_thd0~0_329, ~x~0=v_~x~0_147, ~y$read_delayed_var~0.offset=v_~y$read_delayed_var~0.offset_6, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_834, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_36|, ULTIMATE.start_main_~#t2009~0.base=|v_ULTIMATE.start_main_~#t2009~0.base_24|, ULTIMATE.start_main_#t~ite25=|v_ULTIMATE.start_main_#t~ite25_33|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_43|, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_33|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_42|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_34|, ~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_200, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_34|, ~y$w_buff0~0=v_~y$w_buff0~0_485, ~y~0=v_~y~0_146, ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_29|, ULTIMATE.start_main_#t~nondet23=|v_ULTIMATE.start_main_#t~nondet23_21|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_33|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_53|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_27|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_33, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_35|, #NULL.base=|v_#NULL.base_3|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_40|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_208, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_37|, ULTIMATE.start_main_~#t2010~0.offset=|v_ULTIMATE.start_main_~#t2010~0.offset_16|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_416, #valid=|v_#valid_45|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_14|, ~weak$$choice2~0=v_~weak$$choice2~0_141, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_547} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite28, ULTIMATE.start_main_~#t2009~0.offset, #NULL.offset, ULTIMATE.start_main_#t~ite26, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~y$read_delayed~0, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$r_buff0_thd1~0, ~y$flush_delayed~0, #length, ULTIMATE.start_main_~#t2010~0.base, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ~y$w_buff1~0, ~y$read_delayed_var~0.base, ~y$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet15, ~__unbuffered_cnt~0, ~y$r_buff1_thd0~0, ~x~0, ~y$read_delayed_var~0.offset, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_~#t2009~0.base, ULTIMATE.start_main_#t~ite25, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite44, ~y$r_buff1_thd1~0, ULTIMATE.start_main_#t~ite30, ~y$w_buff0~0, ~y~0, ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~nondet23, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~ite32, #NULL.base, ULTIMATE.start_main_#t~ite34, ~y$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_~#t2010~0.offset, ULTIMATE.start_main_#res, ~y$r_buff0_thd0~0, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ~weak$$choice2~0, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-07 13:26:35,249 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [675] [675] L779-1-->L781: Formula: (and (= |v_ULTIMATE.start_main_~#t2010~0.offset_10| 0) (not (= |v_ULTIMATE.start_main_~#t2010~0.base_11| 0)) (= (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2010~0.base_11| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2010~0.base_11|) |v_ULTIMATE.start_main_~#t2010~0.offset_10| 1)) |v_#memory_int_7|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2010~0.base_11|)) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t2010~0.base_11| 4) |v_#length_9|) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2010~0.base_11| 1)) (< |v_#StackHeapBarrier_8| |v_ULTIMATE.start_main_~#t2010~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_8|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{ULTIMATE.start_main_~#t2010~0.base=|v_ULTIMATE.start_main_~#t2010~0.base_11|, #StackHeapBarrier=|v_#StackHeapBarrier_8|, ULTIMATE.start_main_~#t2010~0.offset=|v_ULTIMATE.start_main_~#t2010~0.offset_10|, #valid=|v_#valid_27|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, #length=|v_#length_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2010~0.base, ULTIMATE.start_main_~#t2010~0.offset, #valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length] because there is no mapped edge [2019-12-07 13:26:35,249 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [638] [638] P0ENTRY-->L4-3: Formula: (and (= v_~y$w_buff1~0_121 v_~y$w_buff0~0_204) (not (= v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_98 0)) (= v_P0Thread1of1ForFork0_~arg.base_94 |v_P0Thread1of1ForFork0_#in~arg.base_96|) (= 2 v_~y$w_buff0~0_203) (= |v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_94| (ite (not (and (not (= 0 (mod v_~y$w_buff0_used~0_349 256))) (not (= 0 (mod v_~y$w_buff1_used~0_210 256))))) 1 0)) (= v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_98 |v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_94|) (= v_P0Thread1of1ForFork0_~arg.offset_94 |v_P0Thread1of1ForFork0_#in~arg.offset_96|) (= v_~y$w_buff0_used~0_350 v_~y$w_buff1_used~0_210) (= v_~y$w_buff0_used~0_349 1)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_96|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_350, ~y$w_buff0~0=v_~y$w_buff0~0_204, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_96|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_96|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_349, ~y$w_buff1~0=v_~y$w_buff1~0_121, ~y$w_buff0~0=v_~y$w_buff0~0_203, P0Thread1of1ForFork0___VERIFIER_assert_~expression=v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_98, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_96|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_94, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression=|v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_94|, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_94, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_210} AuxVars[] AssignedVars[~y$w_buff0_used~0, ~y$w_buff1~0, ~y$w_buff0~0, P0Thread1of1ForFork0___VERIFIER_assert_~expression, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression, P0Thread1of1ForFork0_~arg.offset, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-07 13:26:35,250 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [642] [642] L756-2-->L756-4: Formula: (let ((.cse1 (= (mod ~y$r_buff1_thd2~0_In-1654057172 256) 0)) (.cse0 (= (mod ~y$w_buff1_used~0_In-1654057172 256) 0))) (or (and (= |P1Thread1of1ForFork1_#t~ite9_Out-1654057172| ~y~0_In-1654057172) (or .cse0 .cse1)) (and (= |P1Thread1of1ForFork1_#t~ite9_Out-1654057172| ~y$w_buff1~0_In-1654057172) (not .cse1) (not .cse0)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1654057172, ~y$w_buff1~0=~y$w_buff1~0_In-1654057172, ~y~0=~y~0_In-1654057172, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1654057172} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1654057172, ~y$w_buff1~0=~y$w_buff1~0_In-1654057172, P1Thread1of1ForFork1_#t~ite9=|P1Thread1of1ForFork1_#t~ite9_Out-1654057172|, ~y~0=~y~0_In-1654057172, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1654057172} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite9] because there is no mapped edge [2019-12-07 13:26:35,250 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [621] [621] L756-4-->L757: Formula: (= |v_P1Thread1of1ForFork1_#t~ite9_8| v_~y~0_41) InVars {P1Thread1of1ForFork1_#t~ite9=|v_P1Thread1of1ForFork1_#t~ite9_8|} OutVars{P1Thread1of1ForFork1_#t~ite9=|v_P1Thread1of1ForFork1_#t~ite9_7|, P1Thread1of1ForFork1_#t~ite10=|v_P1Thread1of1ForFork1_#t~ite10_13|, ~y~0=v_~y~0_41} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite9, P1Thread1of1ForFork1_#t~ite10, ~y~0] because there is no mapped edge [2019-12-07 13:26:35,250 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [646] [646] L757-->L757-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd2~0_In-426331160 256) 0)) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In-426331160 256)))) (or (and (not .cse0) (not .cse1) (= |P1Thread1of1ForFork1_#t~ite11_Out-426331160| 0)) (and (or .cse0 .cse1) (= ~y$w_buff0_used~0_In-426331160 |P1Thread1of1ForFork1_#t~ite11_Out-426331160|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-426331160, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-426331160} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-426331160, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-426331160, P1Thread1of1ForFork1_#t~ite11=|P1Thread1of1ForFork1_#t~ite11_Out-426331160|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite11] because there is no mapped edge [2019-12-07 13:26:35,250 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [659] [659] L758-->L758-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd2~0_In-796818300 256) 0)) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In-796818300 256))) (.cse3 (= 0 (mod ~y$r_buff1_thd2~0_In-796818300 256))) (.cse2 (= (mod ~y$w_buff1_used~0_In-796818300 256) 0))) (or (and (= |P1Thread1of1ForFork1_#t~ite12_Out-796818300| ~y$w_buff1_used~0_In-796818300) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= |P1Thread1of1ForFork1_#t~ite12_Out-796818300| 0) (or (and (not .cse0) (not .cse1)) (and (not .cse3) (not .cse2)))))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-796818300, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-796818300, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-796818300, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-796818300} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-796818300, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-796818300, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-796818300, P1Thread1of1ForFork1_#t~ite12=|P1Thread1of1ForFork1_#t~ite12_Out-796818300|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-796818300} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite12] because there is no mapped edge [2019-12-07 13:26:35,250 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [645] [645] L759-->L759-2: Formula: (let ((.cse0 (= 0 (mod ~y$r_buff0_thd2~0_In1667329230 256))) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In1667329230 256)))) (or (and (= 0 |P1Thread1of1ForFork1_#t~ite13_Out1667329230|) (not .cse0) (not .cse1)) (and (or .cse0 .cse1) (= ~y$r_buff0_thd2~0_In1667329230 |P1Thread1of1ForFork1_#t~ite13_Out1667329230|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1667329230, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1667329230} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1667329230, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1667329230, P1Thread1of1ForFork1_#t~ite13=|P1Thread1of1ForFork1_#t~ite13_Out1667329230|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite13] because there is no mapped edge [2019-12-07 13:26:35,250 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [652] [652] L760-->L760-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff1_used~0_In-783320079 256))) (.cse0 (= 0 (mod ~y$r_buff1_thd2~0_In-783320079 256))) (.cse3 (= (mod ~y$r_buff0_thd2~0_In-783320079 256) 0)) (.cse2 (= (mod ~y$w_buff0_used~0_In-783320079 256) 0))) (or (and (or .cse0 .cse1) (= ~y$r_buff1_thd2~0_In-783320079 |P1Thread1of1ForFork1_#t~ite14_Out-783320079|) (or .cse2 .cse3)) (and (= 0 |P1Thread1of1ForFork1_#t~ite14_Out-783320079|) (or (and (not .cse1) (not .cse0)) (and (not .cse3) (not .cse2)))))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-783320079, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-783320079, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-783320079, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-783320079} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-783320079, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-783320079, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-783320079, P1Thread1of1ForFork1_#t~ite14=|P1Thread1of1ForFork1_#t~ite14_Out-783320079|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-783320079} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite14] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [685] [685] L760-2-->P1EXIT: Formula: (and (= |v_P1Thread1of1ForFork1_#t~ite14_28| v_~y$r_buff1_thd2~0_91) (= (+ v_~__unbuffered_cnt~0_39 1) v_~__unbuffered_cnt~0_38) (= 0 |v_P1Thread1of1ForFork1_#res.base_3|) (= |v_P1Thread1of1ForFork1_#res.offset_3| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_39, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_28|} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_91, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_38, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_27|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#t~ite14, P1Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [655] [655] L737-->L737-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In-2013722484 256))) (.cse0 (= (mod ~y$r_buff0_thd1~0_In-2013722484 256) 0))) (or (and (not .cse0) (not .cse1) (= |P0Thread1of1ForFork0_#t~ite5_Out-2013722484| 0)) (and (= |P0Thread1of1ForFork0_#t~ite5_Out-2013722484| ~y$w_buff0_used~0_In-2013722484) (or .cse1 .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-2013722484, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-2013722484} OutVars{P0Thread1of1ForFork0_#t~ite5=|P0Thread1of1ForFork0_#t~ite5_Out-2013722484|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-2013722484, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-2013722484} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite5] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [641] [641] L738-->L738-2: Formula: (let ((.cse3 (= (mod ~y$r_buff0_thd1~0_In71813464 256) 0)) (.cse2 (= (mod ~y$w_buff0_used~0_In71813464 256) 0)) (.cse1 (= 0 (mod ~y$r_buff1_thd1~0_In71813464 256))) (.cse0 (= (mod ~y$w_buff1_used~0_In71813464 256) 0))) (or (and (= ~y$w_buff1_used~0_In71813464 |P0Thread1of1ForFork0_#t~ite6_Out71813464|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |P0Thread1of1ForFork0_#t~ite6_Out71813464|) (or (and (not .cse3) (not .cse2)) (and (not .cse1) (not .cse0)))))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In71813464, ~y$w_buff0_used~0=~y$w_buff0_used~0_In71813464, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In71813464, ~y$w_buff1_used~0=~y$w_buff1_used~0_In71813464} OutVars{P0Thread1of1ForFork0_#t~ite6=|P0Thread1of1ForFork0_#t~ite6_Out71813464|, ~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In71813464, ~y$w_buff0_used~0=~y$w_buff0_used~0_In71813464, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In71813464, ~y$w_buff1_used~0=~y$w_buff1_used~0_In71813464} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite6] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [643] [643] L739-->L740: Formula: (let ((.cse0 (= (mod ~y$w_buff0_used~0_In1058824731 256) 0)) (.cse2 (= ~y$r_buff0_thd1~0_Out1058824731 ~y$r_buff0_thd1~0_In1058824731)) (.cse1 (= (mod ~y$r_buff0_thd1~0_In1058824731 256) 0))) (or (and (= ~y$r_buff0_thd1~0_Out1058824731 0) (not .cse0) (not .cse1)) (and .cse0 .cse2) (and .cse2 .cse1))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1058824731, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In1058824731} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1058824731, P0Thread1of1ForFork0_#t~ite7=|P0Thread1of1ForFork0_#t~ite7_Out1058824731|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_Out1058824731} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite7, ~y$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [657] [657] L740-->L740-2: Formula: (let ((.cse2 (= (mod ~y$r_buff1_thd1~0_In-1854113722 256) 0)) (.cse3 (= (mod ~y$w_buff1_used~0_In-1854113722 256) 0)) (.cse0 (= 0 (mod ~y$r_buff0_thd1~0_In-1854113722 256))) (.cse1 (= (mod ~y$w_buff0_used~0_In-1854113722 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P0Thread1of1ForFork0_#t~ite8_Out-1854113722| 0)) (and (or .cse2 .cse3) (or .cse0 .cse1) (= |P0Thread1of1ForFork0_#t~ite8_Out-1854113722| ~y$r_buff1_thd1~0_In-1854113722)))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-1854113722, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1854113722, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1854113722, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1854113722} OutVars{~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-1854113722, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1854113722, P0Thread1of1ForFork0_#t~ite8=|P0Thread1of1ForFork0_#t~ite8_Out-1854113722|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1854113722, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1854113722} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite8] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [668] [668] L740-2-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork0_#res.offset_3| 0) (= v_~y$r_buff1_thd1~0_80 |v_P0Thread1of1ForFork0_#t~ite8_28|) (= 0 |v_P0Thread1of1ForFork0_#res.base_3|) (= v_~__unbuffered_cnt~0_31 (+ v_~__unbuffered_cnt~0_32 1))) InVars {P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_28|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_32} OutVars{~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_80, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_27|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_31} AuxVars[] AssignedVars[~y$r_buff1_thd1~0, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#t~ite8, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [577] [577] L785-->L787-2: Formula: (and (not (= (mod v_~main$tmp_guard0~0_4 256) 0)) (or (= (mod v_~y$w_buff0_used~0_67 256) 0) (= 0 (mod v_~y$r_buff0_thd0~0_44 256)))) InVars {~y$w_buff0_used~0=v_~y$w_buff0_used~0_67, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_44, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_4} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_67, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_44, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_4} AuxVars[] AssignedVars[] because there is no mapped edge [2019-12-07 13:26:35,251 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [656] [656] L787-2-->L787-5: Formula: (let ((.cse2 (= 0 (mod ~y$w_buff1_used~0_In-393329042 256))) (.cse0 (= (mod ~y$r_buff1_thd0~0_In-393329042 256) 0)) (.cse1 (= |ULTIMATE.start_main_#t~ite17_Out-393329042| |ULTIMATE.start_main_#t~ite18_Out-393329042|))) (or (and (= |ULTIMATE.start_main_#t~ite17_Out-393329042| ~y$w_buff1~0_In-393329042) (not .cse0) .cse1 (not .cse2)) (and (or .cse2 .cse0) .cse1 (= |ULTIMATE.start_main_#t~ite17_Out-393329042| ~y~0_In-393329042)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-393329042, ~y~0=~y~0_In-393329042, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-393329042, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-393329042} OutVars{ULTIMATE.start_main_#t~ite17=|ULTIMATE.start_main_#t~ite17_Out-393329042|, ~y$w_buff1~0=~y$w_buff1~0_In-393329042, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out-393329042|, ~y~0=~y~0_In-393329042, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-393329042, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-393329042} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~ite18] because there is no mapped edge [2019-12-07 13:26:35,252 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [644] [644] L788-->L788-2: Formula: (let ((.cse0 (= (mod ~y$w_buff0_used~0_In-2002898269 256) 0)) (.cse1 (= (mod ~y$r_buff0_thd0~0_In-2002898269 256) 0))) (or (and (or .cse0 .cse1) (= ~y$w_buff0_used~0_In-2002898269 |ULTIMATE.start_main_#t~ite19_Out-2002898269|)) (and (not .cse0) (not .cse1) (= 0 |ULTIMATE.start_main_#t~ite19_Out-2002898269|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-2002898269, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-2002898269} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-2002898269, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out-2002898269|, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-2002898269} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-07 13:26:35,252 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [648] [648] L789-->L789-2: Formula: (let ((.cse1 (= (mod ~y$w_buff1_used~0_In860143180 256) 0)) (.cse0 (= (mod ~y$r_buff1_thd0~0_In860143180 256) 0)) (.cse2 (= 0 (mod ~y$r_buff0_thd0~0_In860143180 256))) (.cse3 (= 0 (mod ~y$w_buff0_used~0_In860143180 256)))) (or (and (= 0 |ULTIMATE.start_main_#t~ite20_Out860143180|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (= ~y$w_buff1_used~0_In860143180 |ULTIMATE.start_main_#t~ite20_Out860143180|) (or .cse1 .cse0) (or .cse2 .cse3)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In860143180, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In860143180, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In860143180, ~y$w_buff1_used~0=~y$w_buff1_used~0_In860143180} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In860143180, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In860143180, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out860143180|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In860143180, ~y$w_buff1_used~0=~y$w_buff1_used~0_In860143180} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-07 13:26:35,252 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [639] [639] L790-->L790-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff0_thd0~0_In1516263488 256))) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In1516263488 256)))) (or (and (= |ULTIMATE.start_main_#t~ite21_Out1516263488| ~y$r_buff0_thd0~0_In1516263488) (or .cse0 .cse1)) (and (= |ULTIMATE.start_main_#t~ite21_Out1516263488| 0) (not .cse1) (not .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1516263488, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1516263488} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1516263488, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1516263488, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out1516263488|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-07 13:26:35,252 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [651] [651] L791-->L791-2: Formula: (let ((.cse3 (= 0 (mod ~y$r_buff1_thd0~0_In625396931 256))) (.cse2 (= (mod ~y$w_buff1_used~0_In625396931 256) 0)) (.cse1 (= (mod ~y$w_buff0_used~0_In625396931 256) 0)) (.cse0 (= (mod ~y$r_buff0_thd0~0_In625396931 256) 0))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= ~y$r_buff1_thd0~0_In625396931 |ULTIMATE.start_main_#t~ite22_Out625396931|)) (and (= 0 |ULTIMATE.start_main_#t~ite22_Out625396931|) (or (and (not .cse3) (not .cse2)) (and (not .cse1) (not .cse0)))))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In625396931, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In625396931, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In625396931, ~y$w_buff1_used~0=~y$w_buff1_used~0_In625396931} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In625396931, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In625396931, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In625396931, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out625396931|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In625396931} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-07 13:26:35,253 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [689] [689] L800-->L800-8: Formula: (let ((.cse1 (= 0 (mod ~weak$$choice2~0_In-1967859171 256)))) (or (and (let ((.cse0 (= (mod ~y$r_buff0_thd0~0_In-1967859171 256) 0))) (or (and .cse0 (= 0 (mod ~y$w_buff1_used~0_In-1967859171 256))) (and .cse0 (= 0 (mod ~y$r_buff1_thd0~0_In-1967859171 256))) (= 0 (mod ~y$w_buff0_used~0_In-1967859171 256)))) (= |ULTIMATE.start_main_#t~ite31_Out-1967859171| |ULTIMATE.start_main_#t~ite32_Out-1967859171|) .cse1 (= |ULTIMATE.start_main_#t~ite31_Out-1967859171| ~y$w_buff1~0_In-1967859171)) (and (= ~y$w_buff1~0_In-1967859171 |ULTIMATE.start_main_#t~ite32_Out-1967859171|) (= |ULTIMATE.start_main_#t~ite31_In-1967859171| |ULTIMATE.start_main_#t~ite31_Out-1967859171|) (not .cse1)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-1967859171, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1967859171, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1967859171, ~weak$$choice2~0=~weak$$choice2~0_In-1967859171, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_In-1967859171|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1967859171, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1967859171} OutVars{~y$w_buff1~0=~y$w_buff1~0_In-1967859171, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1967859171, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1967859171, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_Out-1967859171|, ~weak$$choice2~0=~weak$$choice2~0_In-1967859171, ULTIMATE.start_main_#t~ite32=|ULTIMATE.start_main_#t~ite32_Out-1967859171|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1967859171, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1967859171} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite32] because there is no mapped edge [2019-12-07 13:26:35,254 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [637] [637] L803-->L804: Formula: (and (= v_~y$r_buff0_thd0~0_162 v_~y$r_buff0_thd0~0_163) (not (= (mod v_~weak$$choice2~0_39 256) 0))) InVars {~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_163, ~weak$$choice2~0=v_~weak$$choice2~0_39} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_9|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_11|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_18|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_162, ~weak$$choice2~0=v_~weak$$choice2~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0] because there is no mapped edge [2019-12-07 13:26:35,254 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [686] [686] L806-->L809-1: Formula: (and (= 0 v_~y$flush_delayed~0_24) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| (mod v_~main$tmp_guard1~0_12 256)) (not (= 0 (mod v_~y$flush_delayed~0_25 256))) (= v_~y~0_106 v_~y$mem_tmp~0_13)) InVars {~y$mem_tmp~0=v_~y$mem_tmp~0_13, ~y$flush_delayed~0=v_~y$flush_delayed~0_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12} OutVars{~y$mem_tmp~0=v_~y$mem_tmp~0_13, ~y$flush_delayed~0=v_~y$flush_delayed~0_24, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12, ~y~0=v_~y~0_106, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_22|, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~y$flush_delayed~0, ~y~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 13:26:35,254 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [680] [680] L809-1-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 0)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_10, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-07 13:26:35,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a4123859-a6e4-49ea-8505-0484a4a24709/bin/utaipan/witness.graphml [2019-12-07 13:26:35,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:26:35,307 INFO L168 Benchmark]: Toolchain (without parser) took 10858.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 935.5 MB in the beginning and 952.7 MB in the end (delta: -17.2 MB). Peak memory consumption was 396.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:35,307 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:26:35,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:35,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:35,308 INFO L168 Benchmark]: Boogie Preprocessor took 24.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:35,308 INFO L168 Benchmark]: RCFGBuilder took 383.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.4 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:35,308 INFO L168 Benchmark]: TraceAbstraction took 9971.95 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 329.8 MB). Free memory was 992.3 MB in the beginning and 966.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 355.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:35,309 INFO L168 Benchmark]: Witness Printer took 59.57 ms. Allocated memory is still 1.4 GB. Free memory was 966.6 MB in the beginning and 952.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:26:35,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 383.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.4 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9971.95 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 329.8 MB). Free memory was 992.3 MB in the beginning and 966.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 355.5 MB. Max. memory is 11.5 GB. * Witness Printer took 59.57 ms. Allocated memory is still 1.4 GB. Free memory was 966.6 MB in the beginning and 952.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.9s, 146 ProgramPointsBefore, 79 ProgramPointsAfterwards, 180 TransitionsBefore, 91 TransitionsAfterwards, 10418 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 25 ChoiceCompositions, 3678 VarBasedMoverChecksPositive, 231 VarBasedMoverChecksNegative, 69 SemBasedMoverChecksPositive, 221 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 0 MoverChecksTotal, 46090 CheckedPairsTotal, 101 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L779] FCALL, FORK 0 pthread_create(&t2009, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L781] FCALL, FORK 0 pthread_create(&t2010, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L727] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L728] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L729] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L730] 1 y$r_buff0_thd1 = (_Bool)1 [L733] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L750] 2 __unbuffered_p1_EAX = x [L753] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L756] 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L757] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L758] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L759] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L737] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L738] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L783] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L787] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L788] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L789] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L790] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L791] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L794] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L795] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L796] 0 y$flush_delayed = weak$$choice2 [L797] 0 y$mem_tmp = y VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L799] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L799] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L800] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L801] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L801] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L802] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L802] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L804] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L805] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 2 error locations. Result: UNSAFE, OverallTime: 9.8s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1520 SDtfs, 1556 SDslu, 4724 SDs, 0 SdLazy, 3262 SolverSat, 178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 24 SyntacticMatches, 7 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14186occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 9827 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 128241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...