./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/podwr001_tso.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_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/podwr001_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/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 ab26b689afe9d6bc7724b720b01f16ae2403f0d3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:53:16,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:53:16,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:53:16,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:53:16,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:53:16,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:53:16,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:53:16,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:53:16,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:53:16,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:53:16,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:53:16,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:53:16,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:53:16,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:53:16,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:53:16,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:53:16,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:53:16,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:53:16,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:53:16,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:53:16,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:53:16,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:53:16,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:53:16,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:53:16,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:53:16,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:53:16,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:53:16,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:53:16,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:53:16,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:53:16,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:53:16,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:53:16,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:53:16,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:53:16,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:53:16,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:53:16,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:53:16,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:53:16,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:53:16,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:53:16,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:53:16,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:53:16,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:53:16,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:53:16,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:53:16,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:53:16,814 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:53:16,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:53:16,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:53:16,815 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:53:16,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:53:16,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:53:16,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:53:16,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:53:16,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:53:16,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:53:16,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:53:16,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:53:16,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:53:16,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:53:16,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:53:16,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:53:16,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:53:16,818 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:53:16,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:53:16,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:53:16,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:53:16,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:53:16,818 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_8f522063-b0ba-4dd6-aa41-45ec8de3395b/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 -> ab26b689afe9d6bc7724b720b01f16ae2403f0d3 [2019-12-07 11:53:16,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:53:16,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:53:16,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:53:16,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:53:16,941 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:53:16,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/podwr001_tso.oepc.i [2019-12-07 11:53:16,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/data/0611624b6/033a7af64bc040799b2953ec89654dce/FLAGb7dce54e4 [2019-12-07 11:53:17,383 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:53:17,383 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/sv-benchmarks/c/pthread-wmm/podwr001_tso.oepc.i [2019-12-07 11:53:17,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/data/0611624b6/033a7af64bc040799b2953ec89654dce/FLAGb7dce54e4 [2019-12-07 11:53:17,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/data/0611624b6/033a7af64bc040799b2953ec89654dce [2019-12-07 11:53:17,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:53:17,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:53:17,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:53:17,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:53:17,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:53:17,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551fb3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17, skipping insertion in model container [2019-12-07 11:53:17,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:53:17,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:53:17,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:53:17,693 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:53:17,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:53:17,783 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:53:17,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17 WrapperNode [2019-12-07 11:53:17,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:53:17,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:53:17,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:53:17,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:53:17,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:53:17,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:53:17,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:53:17,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:53:17,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... [2019-12-07 11:53:17,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:53:17,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:53:17,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:53:17,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:53:17,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/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 11:53:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:53:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-07 11:53:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:53:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:53:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-07 11:53:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-07 11:53:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-07 11:53:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-07 11:53:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-07 11:53:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-07 11:53:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-07 11:53:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:53:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:53:17,894 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 11:53:18,275 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:53:18,275 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 11:53:18,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:53:18 BoogieIcfgContainer [2019-12-07 11:53:18,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:53:18,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:53:18,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:53:18,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:53:18,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:53:17" (1/3) ... [2019-12-07 11:53:18,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fcd9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:53:18, skipping insertion in model container [2019-12-07 11:53:18,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:53:17" (2/3) ... [2019-12-07 11:53:18,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fcd9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:53:18, skipping insertion in model container [2019-12-07 11:53:18,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:53:18" (3/3) ... [2019-12-07 11:53:18,283 INFO L109 eAbstractionObserver]: Analyzing ICFG podwr001_tso.oepc.i [2019-12-07 11:53:18,291 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 11:53:18,291 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:53:18,297 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 11:53:18,298 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 11:53:18,323 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,323 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,323 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,323 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,323 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,323 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,324 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,324 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,324 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,324 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,324 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,324 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,325 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,326 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,327 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,327 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,327 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,328 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,329 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,330 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,331 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,331 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,331 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,331 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,332 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,333 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,336 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,337 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,338 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,339 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,340 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,341 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,342 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,343 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:53:18,354 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 11:53:18,366 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:53:18,367 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:53:18,367 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:53:18,367 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:53:18,367 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:53:18,367 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:53:18,367 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:53:18,367 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:53:18,378 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 213 transitions [2019-12-07 11:53:18,380 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 176 places, 213 transitions [2019-12-07 11:53:18,435 INFO L134 PetriNetUnfolder]: 47/210 cut-off events. [2019-12-07 11:53:18,436 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 11:53:18,446 INFO L76 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 210 events. 47/210 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 701 event pairs. 9/170 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-07 11:53:18,463 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 176 places, 213 transitions [2019-12-07 11:53:18,491 INFO L134 PetriNetUnfolder]: 47/210 cut-off events. [2019-12-07 11:53:18,491 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 11:53:18,496 INFO L76 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 210 events. 47/210 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 701 event pairs. 9/170 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-07 11:53:18,512 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 19004 [2019-12-07 11:53:18,512 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 11:53:21,427 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-12-07 11:53:21,720 INFO L206 etLargeBlockEncoding]: Checked pairs total: 130045 [2019-12-07 11:53:21,721 INFO L214 etLargeBlockEncoding]: Total number of compositions: 121 [2019-12-07 11:53:21,723 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 107 transitions [2019-12-07 11:53:40,526 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 126452 states. [2019-12-07 11:53:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 126452 states. [2019-12-07 11:53:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 11:53:40,531 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:53:40,531 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 11:53:40,532 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:53:40,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:53:40,535 INFO L82 PathProgramCache]: Analyzing trace with hash 913925, now seen corresponding path program 1 times [2019-12-07 11:53:40,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:53:40,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852205688] [2019-12-07 11:53:40,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:53:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:53:40,667 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 11:53:40,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852205688] [2019-12-07 11:53:40,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:53:40,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 11:53:40,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948496753] [2019-12-07 11:53:40,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:53:40,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:53:40,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:53:40,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:53:40,682 INFO L87 Difference]: Start difference. First operand 126452 states. Second operand 3 states. [2019-12-07 11:53:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:53:41,612 INFO L93 Difference]: Finished difference Result 125570 states and 538788 transitions. [2019-12-07 11:53:41,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:53:41,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-07 11:53:41,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:53:42,095 INFO L225 Difference]: With dead ends: 125570 [2019-12-07 11:53:42,095 INFO L226 Difference]: Without dead ends: 111010 [2019-12-07 11:53:42,096 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 11:53:46,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111010 states. [2019-12-07 11:53:49,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111010 to 111010. [2019-12-07 11:53:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111010 states. [2019-12-07 11:53:50,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111010 states to 111010 states and 475060 transitions. [2019-12-07 11:53:50,003 INFO L78 Accepts]: Start accepts. Automaton has 111010 states and 475060 transitions. Word has length 3 [2019-12-07 11:53:50,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:53:50,003 INFO L462 AbstractCegarLoop]: Abstraction has 111010 states and 475060 transitions. [2019-12-07 11:53:50,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:53:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 111010 states and 475060 transitions. [2019-12-07 11:53:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 11:53:50,006 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:53:50,006 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:53:50,007 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:53:50,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:53:50,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1753094800, now seen corresponding path program 1 times [2019-12-07 11:53:50,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:53:50,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847622530] [2019-12-07 11:53:50,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:53:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:53:50,069 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 11:53:50,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847622530] [2019-12-07 11:53:50,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:53:50,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:53:50,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442236081] [2019-12-07 11:53:50,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:53:50,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:53:50,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:53:50,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:53:50,071 INFO L87 Difference]: Start difference. First operand 111010 states and 475060 transitions. Second operand 4 states. [2019-12-07 11:53:51,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:53:51,203 INFO L93 Difference]: Finished difference Result 172646 states and 710109 transitions. [2019-12-07 11:53:51,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:53:51,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 11:53:51,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:53:51,640 INFO L225 Difference]: With dead ends: 172646 [2019-12-07 11:53:51,640 INFO L226 Difference]: Without dead ends: 172548 [2019-12-07 11:53:51,641 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 11:53:57,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172548 states. [2019-12-07 11:54:01,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172548 to 158936. [2019-12-07 11:54:01,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158936 states. [2019-12-07 11:54:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158936 states to 158936 states and 661803 transitions. [2019-12-07 11:54:01,649 INFO L78 Accepts]: Start accepts. Automaton has 158936 states and 661803 transitions. Word has length 11 [2019-12-07 11:54:01,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:01,650 INFO L462 AbstractCegarLoop]: Abstraction has 158936 states and 661803 transitions. [2019-12-07 11:54:01,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:54:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 158936 states and 661803 transitions. [2019-12-07 11:54:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 11:54:01,654 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:01,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:01,654 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:01,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:01,655 INFO L82 PathProgramCache]: Analyzing trace with hash 216434073, now seen corresponding path program 1 times [2019-12-07 11:54:01,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:01,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460190394] [2019-12-07 11:54:01,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:01,703 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 11:54:01,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460190394] [2019-12-07 11:54:01,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:01,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:54:01,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946304358] [2019-12-07 11:54:01,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:54:01,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:54:01,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:54:01,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:54:01,705 INFO L87 Difference]: Start difference. First operand 158936 states and 661803 transitions. Second operand 4 states. [2019-12-07 11:54:03,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:03,097 INFO L93 Difference]: Finished difference Result 228902 states and 931210 transitions. [2019-12-07 11:54:03,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:54:03,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-07 11:54:03,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:03,689 INFO L225 Difference]: With dead ends: 228902 [2019-12-07 11:54:03,689 INFO L226 Difference]: Without dead ends: 228790 [2019-12-07 11:54:03,689 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 11:54:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228790 states. [2019-12-07 11:54:13,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228790 to 192327. [2019-12-07 11:54:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192327 states. [2019-12-07 11:54:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192327 states to 192327 states and 796272 transitions. [2019-12-07 11:54:13,720 INFO L78 Accepts]: Start accepts. Automaton has 192327 states and 796272 transitions. Word has length 13 [2019-12-07 11:54:13,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:13,721 INFO L462 AbstractCegarLoop]: Abstraction has 192327 states and 796272 transitions. [2019-12-07 11:54:13,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:54:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 192327 states and 796272 transitions. [2019-12-07 11:54:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:54:13,728 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:13,728 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:13,729 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:13,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:13,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1948590504, now seen corresponding path program 1 times [2019-12-07 11:54:13,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:13,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297793215] [2019-12-07 11:54:13,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:13,758 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 11:54:13,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297793215] [2019-12-07 11:54:13,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:13,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:54:13,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562711776] [2019-12-07 11:54:13,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:54:13,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:54:13,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:54:13,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:54:13,759 INFO L87 Difference]: Start difference. First operand 192327 states and 796272 transitions. Second operand 3 states. [2019-12-07 11:54:16,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:16,850 INFO L93 Difference]: Finished difference Result 280788 states and 1158875 transitions. [2019-12-07 11:54:16,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:54:16,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-07 11:54:16,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:17,557 INFO L225 Difference]: With dead ends: 280788 [2019-12-07 11:54:17,557 INFO L226 Difference]: Without dead ends: 280788 [2019-12-07 11:54:17,557 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 11:54:24,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280788 states. [2019-12-07 11:54:27,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280788 to 222888. [2019-12-07 11:54:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222888 states. [2019-12-07 11:54:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222888 states to 222888 states and 926633 transitions. [2019-12-07 11:54:28,391 INFO L78 Accepts]: Start accepts. Automaton has 222888 states and 926633 transitions. Word has length 16 [2019-12-07 11:54:28,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:28,391 INFO L462 AbstractCegarLoop]: Abstraction has 222888 states and 926633 transitions. [2019-12-07 11:54:28,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:54:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 222888 states and 926633 transitions. [2019-12-07 11:54:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:54:28,397 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:28,397 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:28,397 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:28,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:28,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1821591471, now seen corresponding path program 1 times [2019-12-07 11:54:28,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:28,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021423436] [2019-12-07 11:54:28,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:28,447 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 11:54:28,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021423436] [2019-12-07 11:54:28,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:28,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:54:28,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479166923] [2019-12-07 11:54:28,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:54:28,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:54:28,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:54:28,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:54:28,448 INFO L87 Difference]: Start difference. First operand 222888 states and 926633 transitions. Second operand 5 states. [2019-12-07 11:54:30,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:30,390 INFO L93 Difference]: Finished difference Result 298473 states and 1226263 transitions. [2019-12-07 11:54:30,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:54:30,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-12-07 11:54:30,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:31,126 INFO L225 Difference]: With dead ends: 298473 [2019-12-07 11:54:31,126 INFO L226 Difference]: Without dead ends: 298473 [2019-12-07 11:54:31,126 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 11:54:41,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298473 states. [2019-12-07 11:54:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298473 to 237826. [2019-12-07 11:54:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237826 states. [2019-12-07 11:54:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237826 states to 237826 states and 988542 transitions. [2019-12-07 11:54:45,860 INFO L78 Accepts]: Start accepts. Automaton has 237826 states and 988542 transitions. Word has length 16 [2019-12-07 11:54:45,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:45,860 INFO L462 AbstractCegarLoop]: Abstraction has 237826 states and 988542 transitions. [2019-12-07 11:54:45,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:54:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 237826 states and 988542 transitions. [2019-12-07 11:54:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:54:45,873 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:45,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:45,873 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:45,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:45,873 INFO L82 PathProgramCache]: Analyzing trace with hash -504931817, now seen corresponding path program 1 times [2019-12-07 11:54:45,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:45,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957693236] [2019-12-07 11:54:45,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:45,921 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 11:54:45,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957693236] [2019-12-07 11:54:45,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:45,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:54:45,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854516171] [2019-12-07 11:54:45,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:54:45,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:54:45,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:54:45,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:54:45,923 INFO L87 Difference]: Start difference. First operand 237826 states and 988542 transitions. Second operand 3 states. [2019-12-07 11:54:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:46,940 INFO L93 Difference]: Finished difference Result 237826 states and 978678 transitions. [2019-12-07 11:54:46,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:54:46,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 11:54:46,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:47,547 INFO L225 Difference]: With dead ends: 237826 [2019-12-07 11:54:47,547 INFO L226 Difference]: Without dead ends: 237826 [2019-12-07 11:54:47,548 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 11:54:54,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237826 states. [2019-12-07 11:54:57,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237826 to 234480. [2019-12-07 11:54:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234480 states. [2019-12-07 11:54:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234480 states to 234480 states and 966258 transitions. [2019-12-07 11:54:58,413 INFO L78 Accepts]: Start accepts. Automaton has 234480 states and 966258 transitions. Word has length 18 [2019-12-07 11:54:58,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:58,413 INFO L462 AbstractCegarLoop]: Abstraction has 234480 states and 966258 transitions. [2019-12-07 11:54:58,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:54:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 234480 states and 966258 transitions. [2019-12-07 11:54:58,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:54:58,424 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:58,424 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:54:58,424 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:58,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash 138207619, now seen corresponding path program 1 times [2019-12-07 11:54:58,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:58,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149831023] [2019-12-07 11:54:58,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:58,452 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 11:54:58,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149831023] [2019-12-07 11:54:58,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:58,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:54:58,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864134683] [2019-12-07 11:54:58,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:54:58,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:54:58,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:54:58,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:54:58,454 INFO L87 Difference]: Start difference. First operand 234480 states and 966258 transitions. Second operand 3 states. [2019-12-07 11:54:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:54:58,962 INFO L93 Difference]: Finished difference Result 42613 states and 138837 transitions. [2019-12-07 11:54:58,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:54:58,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 11:54:58,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:54:59,026 INFO L225 Difference]: With dead ends: 42613 [2019-12-07 11:54:59,026 INFO L226 Difference]: Without dead ends: 42613 [2019-12-07 11:54:59,026 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:54:59,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42613 states. [2019-12-07 11:54:59,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42613 to 42613. [2019-12-07 11:54:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42613 states. [2019-12-07 11:54:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42613 states to 42613 states and 138837 transitions. [2019-12-07 11:54:59,719 INFO L78 Accepts]: Start accepts. Automaton has 42613 states and 138837 transitions. Word has length 18 [2019-12-07 11:54:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:54:59,720 INFO L462 AbstractCegarLoop]: Abstraction has 42613 states and 138837 transitions. [2019-12-07 11:54:59,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:54:59,720 INFO L276 IsEmpty]: Start isEmpty. Operand 42613 states and 138837 transitions. [2019-12-07 11:54:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:54:59,725 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:54:59,725 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] [2019-12-07 11:54:59,725 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:54:59,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:54:59,726 INFO L82 PathProgramCache]: Analyzing trace with hash -187432510, now seen corresponding path program 1 times [2019-12-07 11:54:59,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:54:59,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480115199] [2019-12-07 11:54:59,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:54:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:54:59,787 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 11:54:59,787 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480115199] [2019-12-07 11:54:59,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:54:59,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:54:59,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312417023] [2019-12-07 11:54:59,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:54:59,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:54:59,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:54:59,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:54:59,789 INFO L87 Difference]: Start difference. First operand 42613 states and 138837 transitions. Second operand 6 states. [2019-12-07 11:55:00,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:00,361 INFO L93 Difference]: Finished difference Result 65056 states and 205947 transitions. [2019-12-07 11:55:00,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 11:55:00,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-07 11:55:00,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:00,455 INFO L225 Difference]: With dead ends: 65056 [2019-12-07 11:55:00,455 INFO L226 Difference]: Without dead ends: 65042 [2019-12-07 11:55:00,456 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-12-07 11:55:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65042 states. [2019-12-07 11:55:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65042 to 42278. [2019-12-07 11:55:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42278 states. [2019-12-07 11:55:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42278 states to 42278 states and 137592 transitions. [2019-12-07 11:55:01,325 INFO L78 Accepts]: Start accepts. Automaton has 42278 states and 137592 transitions. Word has length 22 [2019-12-07 11:55:01,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:01,325 INFO L462 AbstractCegarLoop]: Abstraction has 42278 states and 137592 transitions. [2019-12-07 11:55:01,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:55:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand 42278 states and 137592 transitions. [2019-12-07 11:55:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 11:55:01,335 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:01,335 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 11:55:01,335 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:01,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:01,335 INFO L82 PathProgramCache]: Analyzing trace with hash -200714255, now seen corresponding path program 1 times [2019-12-07 11:55:01,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:01,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538363231] [2019-12-07 11:55:01,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:01,373 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 11:55:01,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538363231] [2019-12-07 11:55:01,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:01,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:55:01,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733222622] [2019-12-07 11:55:01,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:55:01,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:01,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:55:01,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:55:01,375 INFO L87 Difference]: Start difference. First operand 42278 states and 137592 transitions. Second operand 5 states. [2019-12-07 11:55:02,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:02,619 INFO L93 Difference]: Finished difference Result 59726 states and 189950 transitions. [2019-12-07 11:55:02,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:55:02,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 11:55:02,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:02,706 INFO L225 Difference]: With dead ends: 59726 [2019-12-07 11:55:02,706 INFO L226 Difference]: Without dead ends: 59700 [2019-12-07 11:55:02,706 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:55:02,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59700 states. [2019-12-07 11:55:03,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59700 to 50129. [2019-12-07 11:55:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50129 states. [2019-12-07 11:55:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50129 states to 50129 states and 162181 transitions. [2019-12-07 11:55:03,644 INFO L78 Accepts]: Start accepts. Automaton has 50129 states and 162181 transitions. Word has length 25 [2019-12-07 11:55:03,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:03,645 INFO L462 AbstractCegarLoop]: Abstraction has 50129 states and 162181 transitions. [2019-12-07 11:55:03,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:55:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 50129 states and 162181 transitions. [2019-12-07 11:55:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 11:55:03,659 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:03,659 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] [2019-12-07 11:55:03,660 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash 611460705, now seen corresponding path program 1 times [2019-12-07 11:55:03,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:03,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904242683] [2019-12-07 11:55:03,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:03,710 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 11:55:03,710 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904242683] [2019-12-07 11:55:03,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:03,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:55:03,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299067951] [2019-12-07 11:55:03,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:55:03,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:03,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:55:03,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:55:03,711 INFO L87 Difference]: Start difference. First operand 50129 states and 162181 transitions. Second operand 6 states. [2019-12-07 11:55:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:04,221 INFO L93 Difference]: Finished difference Result 71592 states and 224983 transitions. [2019-12-07 11:55:04,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 11:55:04,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-12-07 11:55:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:04,325 INFO L225 Difference]: With dead ends: 71592 [2019-12-07 11:55:04,325 INFO L226 Difference]: Without dead ends: 71508 [2019-12-07 11:55:04,326 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:55:04,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71508 states. [2019-12-07 11:55:05,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71508 to 53724. [2019-12-07 11:55:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53724 states. [2019-12-07 11:55:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53724 states to 53724 states and 172706 transitions. [2019-12-07 11:55:05,467 INFO L78 Accepts]: Start accepts. Automaton has 53724 states and 172706 transitions. Word has length 27 [2019-12-07 11:55:05,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:05,467 INFO L462 AbstractCegarLoop]: Abstraction has 53724 states and 172706 transitions. [2019-12-07 11:55:05,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:55:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 53724 states and 172706 transitions. [2019-12-07 11:55:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 11:55:05,487 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:05,487 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] [2019-12-07 11:55:05,487 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:05,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:05,488 INFO L82 PathProgramCache]: Analyzing trace with hash -969078927, now seen corresponding path program 1 times [2019-12-07 11:55:05,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:05,488 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312816496] [2019-12-07 11:55:05,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:05,518 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 11:55:05,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312816496] [2019-12-07 11:55:05,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:05,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:55:05,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476121513] [2019-12-07 11:55:05,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:55:05,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:05,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:55:05,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:55:05,520 INFO L87 Difference]: Start difference. First operand 53724 states and 172706 transitions. Second operand 4 states. [2019-12-07 11:55:05,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:05,585 INFO L93 Difference]: Finished difference Result 20754 states and 64022 transitions. [2019-12-07 11:55:05,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:55:05,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-12-07 11:55:05,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:05,608 INFO L225 Difference]: With dead ends: 20754 [2019-12-07 11:55:05,608 INFO L226 Difference]: Without dead ends: 20754 [2019-12-07 11:55:05,609 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:55:05,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20754 states. [2019-12-07 11:55:05,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20754 to 19543. [2019-12-07 11:55:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19543 states. [2019-12-07 11:55:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19543 states to 19543 states and 60338 transitions. [2019-12-07 11:55:05,901 INFO L78 Accepts]: Start accepts. Automaton has 19543 states and 60338 transitions. Word has length 29 [2019-12-07 11:55:05,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:05,902 INFO L462 AbstractCegarLoop]: Abstraction has 19543 states and 60338 transitions. [2019-12-07 11:55:05,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:55:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 19543 states and 60338 transitions. [2019-12-07 11:55:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 11:55:05,920 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:05,920 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] [2019-12-07 11:55:05,920 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:05,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:05,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1170391984, now seen corresponding path program 1 times [2019-12-07 11:55:05,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:05,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618880719] [2019-12-07 11:55:05,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:05,964 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 11:55:05,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618880719] [2019-12-07 11:55:05,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:05,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:55:05,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373875587] [2019-12-07 11:55:05,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 11:55:05,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:05,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 11:55:05,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:55:05,966 INFO L87 Difference]: Start difference. First operand 19543 states and 60338 transitions. Second operand 7 states. [2019-12-07 11:55:06,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:06,647 INFO L93 Difference]: Finished difference Result 27225 states and 81337 transitions. [2019-12-07 11:55:06,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-07 11:55:06,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-07 11:55:06,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:06,678 INFO L225 Difference]: With dead ends: 27225 [2019-12-07 11:55:06,678 INFO L226 Difference]: Without dead ends: 27225 [2019-12-07 11:55:06,678 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2019-12-07 11:55:06,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27225 states. [2019-12-07 11:55:06,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27225 to 19532. [2019-12-07 11:55:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19532 states. [2019-12-07 11:55:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19532 states to 19532 states and 60108 transitions. [2019-12-07 11:55:07,020 INFO L78 Accepts]: Start accepts. Automaton has 19532 states and 60108 transitions. Word has length 33 [2019-12-07 11:55:07,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:07,021 INFO L462 AbstractCegarLoop]: Abstraction has 19532 states and 60108 transitions. [2019-12-07 11:55:07,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 11:55:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 19532 states and 60108 transitions. [2019-12-07 11:55:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 11:55:07,036 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:07,036 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] [2019-12-07 11:55:07,036 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:07,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:07,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1293540528, now seen corresponding path program 1 times [2019-12-07 11:55:07,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:07,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829288424] [2019-12-07 11:55:07,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:07,080 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 11:55:07,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829288424] [2019-12-07 11:55:07,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:07,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:55:07,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356871411] [2019-12-07 11:55:07,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:55:07,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:07,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:55:07,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:55:07,081 INFO L87 Difference]: Start difference. First operand 19532 states and 60108 transitions. Second operand 3 states. [2019-12-07 11:55:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:07,134 INFO L93 Difference]: Finished difference Result 18664 states and 56622 transitions. [2019-12-07 11:55:07,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:55:07,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-12-07 11:55:07,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:07,154 INFO L225 Difference]: With dead ends: 18664 [2019-12-07 11:55:07,154 INFO L226 Difference]: Without dead ends: 18664 [2019-12-07 11:55:07,154 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 11:55:07,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18664 states. [2019-12-07 11:55:07,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18664 to 18390. [2019-12-07 11:55:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18390 states. [2019-12-07 11:55:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18390 states to 18390 states and 55854 transitions. [2019-12-07 11:55:07,413 INFO L78 Accepts]: Start accepts. Automaton has 18390 states and 55854 transitions. Word has length 40 [2019-12-07 11:55:07,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:07,413 INFO L462 AbstractCegarLoop]: Abstraction has 18390 states and 55854 transitions. [2019-12-07 11:55:07,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:55:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 18390 states and 55854 transitions. [2019-12-07 11:55:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-07 11:55:07,428 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:07,428 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] [2019-12-07 11:55:07,428 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:07,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:07,429 INFO L82 PathProgramCache]: Analyzing trace with hash -448595313, now seen corresponding path program 1 times [2019-12-07 11:55:07,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:07,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205124211] [2019-12-07 11:55:07,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:07,552 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 11:55:07,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205124211] [2019-12-07 11:55:07,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:07,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:55:07,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700802167] [2019-12-07 11:55:07,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:55:07,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:07,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:55:07,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:55:07,553 INFO L87 Difference]: Start difference. First operand 18390 states and 55854 transitions. Second operand 5 states. [2019-12-07 11:55:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:07,610 INFO L93 Difference]: Finished difference Result 16867 states and 52454 transitions. [2019-12-07 11:55:07,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:55:07,610 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-12-07 11:55:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:07,629 INFO L225 Difference]: With dead ends: 16867 [2019-12-07 11:55:07,629 INFO L226 Difference]: Without dead ends: 16867 [2019-12-07 11:55:07,629 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:55:07,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16867 states. [2019-12-07 11:55:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16867 to 15238. [2019-12-07 11:55:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15238 states. [2019-12-07 11:55:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15238 states to 15238 states and 47616 transitions. [2019-12-07 11:55:07,871 INFO L78 Accepts]: Start accepts. Automaton has 15238 states and 47616 transitions. Word has length 41 [2019-12-07 11:55:07,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:07,871 INFO L462 AbstractCegarLoop]: Abstraction has 15238 states and 47616 transitions. [2019-12-07 11:55:07,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:55:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 15238 states and 47616 transitions. [2019-12-07 11:55:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-07 11:55:07,884 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:07,884 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:07,884 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:07,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:07,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1623524162, now seen corresponding path program 1 times [2019-12-07 11:55:07,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:07,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732094213] [2019-12-07 11:55:07,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:07,923 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 11:55:07,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732094213] [2019-12-07 11:55:07,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:07,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:55:07,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45251755] [2019-12-07 11:55:07,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:55:07,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:55:07,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:55:07,925 INFO L87 Difference]: Start difference. First operand 15238 states and 47616 transitions. Second operand 3 states. [2019-12-07 11:55:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:08,000 INFO L93 Difference]: Finished difference Result 18380 states and 57153 transitions. [2019-12-07 11:55:08,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:55:08,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-12-07 11:55:08,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:08,021 INFO L225 Difference]: With dead ends: 18380 [2019-12-07 11:55:08,021 INFO L226 Difference]: Without dead ends: 18380 [2019-12-07 11:55:08,021 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 11:55:08,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18380 states. [2019-12-07 11:55:08,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18380 to 15494. [2019-12-07 11:55:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15494 states. [2019-12-07 11:55:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15494 states to 15494 states and 48492 transitions. [2019-12-07 11:55:08,275 INFO L78 Accepts]: Start accepts. Automaton has 15494 states and 48492 transitions. Word has length 66 [2019-12-07 11:55:08,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:08,275 INFO L462 AbstractCegarLoop]: Abstraction has 15494 states and 48492 transitions. [2019-12-07 11:55:08,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:55:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 15494 states and 48492 transitions. [2019-12-07 11:55:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:08,289 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:08,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:08,290 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:08,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:08,290 INFO L82 PathProgramCache]: Analyzing trace with hash 600429612, now seen corresponding path program 1 times [2019-12-07 11:55:08,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:08,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81604568] [2019-12-07 11:55:08,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:08,333 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 11:55:08,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81604568] [2019-12-07 11:55:08,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:08,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:55:08,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516011619] [2019-12-07 11:55:08,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:55:08,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:08,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:55:08,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:55:08,334 INFO L87 Difference]: Start difference. First operand 15494 states and 48492 transitions. Second operand 4 states. [2019-12-07 11:55:08,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:08,425 INFO L93 Difference]: Finished difference Result 18353 states and 57063 transitions. [2019-12-07 11:55:08,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:55:08,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2019-12-07 11:55:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:08,445 INFO L225 Difference]: With dead ends: 18353 [2019-12-07 11:55:08,445 INFO L226 Difference]: Without dead ends: 18353 [2019-12-07 11:55:08,445 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 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 11:55:08,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18353 states. [2019-12-07 11:55:08,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18353 to 15150. [2019-12-07 11:55:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15150 states. [2019-12-07 11:55:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15150 states to 15150 states and 47431 transitions. [2019-12-07 11:55:08,706 INFO L78 Accepts]: Start accepts. Automaton has 15150 states and 47431 transitions. Word has length 67 [2019-12-07 11:55:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:08,706 INFO L462 AbstractCegarLoop]: Abstraction has 15150 states and 47431 transitions. [2019-12-07 11:55:08,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:55:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 15150 states and 47431 transitions. [2019-12-07 11:55:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:08,719 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:08,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:08,719 INFO L410 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:08,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:08,720 INFO L82 PathProgramCache]: Analyzing trace with hash 384042528, now seen corresponding path program 1 times [2019-12-07 11:55:08,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:08,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637101797] [2019-12-07 11:55:08,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:08,850 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 11:55:08,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637101797] [2019-12-07 11:55:08,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:08,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 11:55:08,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790666841] [2019-12-07 11:55:08,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 11:55:08,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:08,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 11:55:08,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:55:08,852 INFO L87 Difference]: Start difference. First operand 15150 states and 47431 transitions. Second operand 10 states. [2019-12-07 11:55:10,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:10,641 INFO L93 Difference]: Finished difference Result 35073 states and 109582 transitions. [2019-12-07 11:55:10,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-07 11:55:10,641 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2019-12-07 11:55:10,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:10,679 INFO L225 Difference]: With dead ends: 35073 [2019-12-07 11:55:10,679 INFO L226 Difference]: Without dead ends: 24437 [2019-12-07 11:55:10,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702 [2019-12-07 11:55:10,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24437 states. [2019-12-07 11:55:10,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24437 to 18082. [2019-12-07 11:55:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18082 states. [2019-12-07 11:55:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18082 states to 18082 states and 56427 transitions. [2019-12-07 11:55:10,999 INFO L78 Accepts]: Start accepts. Automaton has 18082 states and 56427 transitions. Word has length 67 [2019-12-07 11:55:10,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:10,999 INFO L462 AbstractCegarLoop]: Abstraction has 18082 states and 56427 transitions. [2019-12-07 11:55:10,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 11:55:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 18082 states and 56427 transitions. [2019-12-07 11:55:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:11,014 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:11,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:11,015 INFO L410 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:11,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:11,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1908292690, now seen corresponding path program 2 times [2019-12-07 11:55:11,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:11,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188219838] [2019-12-07 11:55:11,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:11,195 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 11:55:11,196 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188219838] [2019-12-07 11:55:11,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:11,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 11:55:11,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574027981] [2019-12-07 11:55:11,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 11:55:11,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:11,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 11:55:11,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:55:11,197 INFO L87 Difference]: Start difference. First operand 18082 states and 56427 transitions. Second operand 10 states. [2019-12-07 11:55:12,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:12,208 INFO L93 Difference]: Finished difference Result 30684 states and 95180 transitions. [2019-12-07 11:55:12,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-07 11:55:12,208 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2019-12-07 11:55:12,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:12,239 INFO L225 Difference]: With dead ends: 30684 [2019-12-07 11:55:12,239 INFO L226 Difference]: Without dead ends: 26361 [2019-12-07 11:55:12,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2019-12-07 11:55:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26361 states. [2019-12-07 11:55:12,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26361 to 18534. [2019-12-07 11:55:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18534 states. [2019-12-07 11:55:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18534 states to 18534 states and 57675 transitions. [2019-12-07 11:55:12,569 INFO L78 Accepts]: Start accepts. Automaton has 18534 states and 57675 transitions. Word has length 67 [2019-12-07 11:55:12,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:12,569 INFO L462 AbstractCegarLoop]: Abstraction has 18534 states and 57675 transitions. [2019-12-07 11:55:12,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 11:55:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 18534 states and 57675 transitions. [2019-12-07 11:55:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:12,584 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:12,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:12,585 INFO L410 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:12,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:12,585 INFO L82 PathProgramCache]: Analyzing trace with hash 993635084, now seen corresponding path program 3 times [2019-12-07 11:55:12,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:12,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909480958] [2019-12-07 11:55:12,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:12,713 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 11:55:12,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909480958] [2019-12-07 11:55:12,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:12,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 11:55:12,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041179529] [2019-12-07 11:55:12,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 11:55:12,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:12,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 11:55:12,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:55:12,714 INFO L87 Difference]: Start difference. First operand 18534 states and 57675 transitions. Second operand 11 states. [2019-12-07 11:55:14,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:14,537 INFO L93 Difference]: Finished difference Result 29036 states and 89939 transitions. [2019-12-07 11:55:14,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-07 11:55:14,538 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2019-12-07 11:55:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:14,583 INFO L225 Difference]: With dead ends: 29036 [2019-12-07 11:55:14,583 INFO L226 Difference]: Without dead ends: 25553 [2019-12-07 11:55:14,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2019-12-07 11:55:14,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25553 states. [2019-12-07 11:55:14,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25553 to 18102. [2019-12-07 11:55:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18102 states. [2019-12-07 11:55:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18102 states to 18102 states and 56343 transitions. [2019-12-07 11:55:14,915 INFO L78 Accepts]: Start accepts. Automaton has 18102 states and 56343 transitions. Word has length 67 [2019-12-07 11:55:14,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:14,915 INFO L462 AbstractCegarLoop]: Abstraction has 18102 states and 56343 transitions. [2019-12-07 11:55:14,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 11:55:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 18102 states and 56343 transitions. [2019-12-07 11:55:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:14,930 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:14,931 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:14,931 INFO L410 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:14,931 INFO L82 PathProgramCache]: Analyzing trace with hash 397917466, now seen corresponding path program 4 times [2019-12-07 11:55:14,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:14,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831012728] [2019-12-07 11:55:14,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:15,054 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 11:55:15,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831012728] [2019-12-07 11:55:15,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:15,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 11:55:15,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347309640] [2019-12-07 11:55:15,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 11:55:15,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:15,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 11:55:15,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:55:15,055 INFO L87 Difference]: Start difference. First operand 18102 states and 56343 transitions. Second operand 11 states. [2019-12-07 11:55:16,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:16,146 INFO L93 Difference]: Finished difference Result 28640 states and 88718 transitions. [2019-12-07 11:55:16,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-12-07 11:55:16,147 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2019-12-07 11:55:16,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:16,173 INFO L225 Difference]: With dead ends: 28640 [2019-12-07 11:55:16,173 INFO L226 Difference]: Without dead ends: 25567 [2019-12-07 11:55:16,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2019-12-07 11:55:16,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25567 states. [2019-12-07 11:55:16,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25567 to 18324. [2019-12-07 11:55:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18324 states. [2019-12-07 11:55:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18324 states to 18324 states and 56925 transitions. [2019-12-07 11:55:16,479 INFO L78 Accepts]: Start accepts. Automaton has 18324 states and 56925 transitions. Word has length 67 [2019-12-07 11:55:16,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:16,479 INFO L462 AbstractCegarLoop]: Abstraction has 18324 states and 56925 transitions. [2019-12-07 11:55:16,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 11:55:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 18324 states and 56925 transitions. [2019-12-07 11:55:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:16,493 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:16,494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:16,494 INFO L410 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:16,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1803113718, now seen corresponding path program 5 times [2019-12-07 11:55:16,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:16,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757442635] [2019-12-07 11:55:16,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:16,619 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 11:55:16,620 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757442635] [2019-12-07 11:55:16,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:16,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-12-07 11:55:16,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175651576] [2019-12-07 11:55:16,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 11:55:16,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:16,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 11:55:16,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:55:16,620 INFO L87 Difference]: Start difference. First operand 18324 states and 56925 transitions. Second operand 12 states. [2019-12-07 11:55:17,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:17,708 INFO L93 Difference]: Finished difference Result 27214 states and 84219 transitions. [2019-12-07 11:55:17,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-07 11:55:17,708 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 67 [2019-12-07 11:55:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:17,738 INFO L225 Difference]: With dead ends: 27214 [2019-12-07 11:55:17,738 INFO L226 Difference]: Without dead ends: 26023 [2019-12-07 11:55:17,739 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2019-12-07 11:55:17,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26023 states. [2019-12-07 11:55:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26023 to 18192. [2019-12-07 11:55:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18192 states. [2019-12-07 11:55:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18192 states to 18192 states and 56581 transitions. [2019-12-07 11:55:18,062 INFO L78 Accepts]: Start accepts. Automaton has 18192 states and 56581 transitions. Word has length 67 [2019-12-07 11:55:18,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:18,062 INFO L462 AbstractCegarLoop]: Abstraction has 18192 states and 56581 transitions. [2019-12-07 11:55:18,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 11:55:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 18192 states and 56581 transitions. [2019-12-07 11:55:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:18,077 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:18,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:18,077 INFO L410 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:18,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:18,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1857250972, now seen corresponding path program 6 times [2019-12-07 11:55:18,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:18,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157108996] [2019-12-07 11:55:18,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:18,221 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 11:55:18,222 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157108996] [2019-12-07 11:55:18,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:18,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 11:55:18,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033133842] [2019-12-07 11:55:18,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 11:55:18,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:18,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 11:55:18,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 11:55:18,223 INFO L87 Difference]: Start difference. First operand 18192 states and 56581 transitions. Second operand 13 states. [2019-12-07 11:55:20,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:20,098 INFO L93 Difference]: Finished difference Result 32406 states and 99661 transitions. [2019-12-07 11:55:20,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-12-07 11:55:20,098 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 67 [2019-12-07 11:55:20,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:20,130 INFO L225 Difference]: With dead ends: 32406 [2019-12-07 11:55:20,130 INFO L226 Difference]: Without dead ends: 27991 [2019-12-07 11:55:20,130 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=226, Invalid=1034, Unknown=0, NotChecked=0, Total=1260 [2019-12-07 11:55:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27991 states. [2019-12-07 11:55:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27991 to 18120. [2019-12-07 11:55:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18120 states. [2019-12-07 11:55:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18120 states to 18120 states and 56177 transitions. [2019-12-07 11:55:20,479 INFO L78 Accepts]: Start accepts. Automaton has 18120 states and 56177 transitions. Word has length 67 [2019-12-07 11:55:20,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:20,480 INFO L462 AbstractCegarLoop]: Abstraction has 18120 states and 56177 transitions. [2019-12-07 11:55:20,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 11:55:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 18120 states and 56177 transitions. [2019-12-07 11:55:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:20,494 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:20,494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:20,494 INFO L410 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:20,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:20,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1823504856, now seen corresponding path program 7 times [2019-12-07 11:55:20,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:20,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838056118] [2019-12-07 11:55:20,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:20,636 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 11:55:20,636 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838056118] [2019-12-07 11:55:20,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:20,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 11:55:20,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766770804] [2019-12-07 11:55:20,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 11:55:20,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:20,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 11:55:20,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 11:55:20,637 INFO L87 Difference]: Start difference. First operand 18120 states and 56177 transitions. Second operand 13 states. [2019-12-07 11:55:23,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:23,345 INFO L93 Difference]: Finished difference Result 29716 states and 91192 transitions. [2019-12-07 11:55:23,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-12-07 11:55:23,345 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 67 [2019-12-07 11:55:23,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:23,378 INFO L225 Difference]: With dead ends: 29716 [2019-12-07 11:55:23,378 INFO L226 Difference]: Without dead ends: 28489 [2019-12-07 11:55:23,379 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2019-12-07 11:55:23,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28489 states. [2019-12-07 11:55:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28489 to 18040. [2019-12-07 11:55:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18040 states. [2019-12-07 11:55:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18040 states to 18040 states and 55957 transitions. [2019-12-07 11:55:23,726 INFO L78 Accepts]: Start accepts. Automaton has 18040 states and 55957 transitions. Word has length 67 [2019-12-07 11:55:23,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:23,727 INFO L462 AbstractCegarLoop]: Abstraction has 18040 states and 55957 transitions. [2019-12-07 11:55:23,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 11:55:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 18040 states and 55957 transitions. [2019-12-07 11:55:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:23,742 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:23,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:23,742 INFO L410 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:23,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:23,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1867129146, now seen corresponding path program 8 times [2019-12-07 11:55:23,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:23,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273693161] [2019-12-07 11:55:23,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:23,932 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 11:55:23,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273693161] [2019-12-07 11:55:23,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:23,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-07 11:55:23,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54693145] [2019-12-07 11:55:23,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 11:55:23,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:23,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 11:55:23,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-12-07 11:55:23,933 INFO L87 Difference]: Start difference. First operand 18040 states and 55957 transitions. Second operand 13 states. [2019-12-07 11:55:27,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:27,904 INFO L93 Difference]: Finished difference Result 28458 states and 87977 transitions. [2019-12-07 11:55:27,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-12-07 11:55:27,904 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 67 [2019-12-07 11:55:27,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:27,932 INFO L225 Difference]: With dead ends: 28458 [2019-12-07 11:55:27,932 INFO L226 Difference]: Without dead ends: 26128 [2019-12-07 11:55:27,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=895, Unknown=0, NotChecked=0, Total=1056 [2019-12-07 11:55:28,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26128 states. [2019-12-07 11:55:28,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26128 to 18944. [2019-12-07 11:55:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18944 states. [2019-12-07 11:55:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18944 states to 18944 states and 58875 transitions. [2019-12-07 11:55:28,254 INFO L78 Accepts]: Start accepts. Automaton has 18944 states and 58875 transitions. Word has length 67 [2019-12-07 11:55:28,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:28,254 INFO L462 AbstractCegarLoop]: Abstraction has 18944 states and 58875 transitions. [2019-12-07 11:55:28,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 11:55:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 18944 states and 58875 transitions. [2019-12-07 11:55:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:28,270 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:28,270 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:28,270 INFO L410 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:28,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:28,271 INFO L82 PathProgramCache]: Analyzing trace with hash 484330678, now seen corresponding path program 9 times [2019-12-07 11:55:28,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:28,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827786405] [2019-12-07 11:55:28,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:55:28,313 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 11:55:28,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827786405] [2019-12-07 11:55:28,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:55:28,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:55:28,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361142244] [2019-12-07 11:55:28,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:55:28,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:55:28,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:55:28,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:55:28,314 INFO L87 Difference]: Start difference. First operand 18944 states and 58875 transitions. Second operand 6 states. [2019-12-07 11:55:28,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:55:28,584 INFO L93 Difference]: Finished difference Result 47102 states and 144974 transitions. [2019-12-07 11:55:28,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 11:55:28,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-12-07 11:55:28,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:55:28,627 INFO L225 Difference]: With dead ends: 47102 [2019-12-07 11:55:28,627 INFO L226 Difference]: Without dead ends: 37198 [2019-12-07 11:55:28,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:55:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37198 states. [2019-12-07 11:55:29,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37198 to 19493. [2019-12-07 11:55:29,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19493 states. [2019-12-07 11:55:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19493 states to 19493 states and 60570 transitions. [2019-12-07 11:55:29,044 INFO L78 Accepts]: Start accepts. Automaton has 19493 states and 60570 transitions. Word has length 67 [2019-12-07 11:55:29,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:55:29,045 INFO L462 AbstractCegarLoop]: Abstraction has 19493 states and 60570 transitions. [2019-12-07 11:55:29,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:55:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 19493 states and 60570 transitions. [2019-12-07 11:55:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-07 11:55:29,061 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:55:29,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:55:29,062 INFO L410 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:55:29,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:55:29,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1154306208, now seen corresponding path program 10 times [2019-12-07 11:55:29,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:55:29,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897380887] [2019-12-07 11:55:29,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:55:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:55:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:55:29,132 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 11:55:29,133 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:55:29,135 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [895] [895] ULTIMATE.startENTRY-->L822: Formula: (let ((.cse0 (store |v_#valid_62| 0 0))) (and (= 0 v_~z$flush_delayed~0_27) (= 0 v_~x~0_129) (= 0 v_~__unbuffered_p1_EAX~0_44) (= 0 |v_ULTIMATE.start_main_~#t1579~0.offset_17|) (= v_~weak$$choice2~0_125 0) (= v_~z$read_delayed_var~0.offset_6 0) (= v_~z$r_buff0_thd1~0_274 0) (= |v_#NULL.offset_7| 0) (= v_~z$mem_tmp~0_16 0) (= v_~z$r_buff1_thd0~0_203 0) (= v_~main$tmp_guard1~0_48 0) (= |v_#valid_60| (store .cse0 |v_ULTIMATE.start_main_~#t1579~0.base_23| 1)) (= 0 v_~z$r_buff0_thd3~0_416) (= v_~z$w_buff1_used~0_618 0) (< 0 |v_#StackHeapBarrier_17|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1579~0.base_23| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1579~0.base_23|) |v_ULTIMATE.start_main_~#t1579~0.offset_17| 0)) |v_#memory_int_17|) (= v_~z$r_buff0_thd0~0_208 0) (= v_~z$read_delayed_var~0.base_6 0) (= v_~z$w_buff1~0_350 0) (= v_~z$w_buff0_used~0_900 0) (= 0 v_~__unbuffered_p0_EAX~0_137) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1579~0.base_23|)) (= v_~z$read_delayed~0_7 0) (= v_~z$r_buff1_thd2~0_170 0) (= 0 |v_#NULL.base_7|) (< |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t1579~0.base_23|) (= 0 v_~z$r_buff1_thd3~0_300) (= v_~z$r_buff1_thd1~0_166 0) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1579~0.base_23| 4) |v_#length_21|) (= v_~z$w_buff0~0_454 0) (= 0 v_~weak$$choice0~0_13) (= v_~z~0_160 0) (= v_~main$tmp_guard0~0_24 0) (= 0 v_~__unbuffered_cnt~0_97) (= v_~z$r_buff0_thd2~0_191 0) (= v_~y~0_31 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_17|, #valid=|v_#valid_62|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_170, ULTIMATE.start_main_#t~ite47=|v_ULTIMATE.start_main_#t~ite47_29|, #NULL.offset=|v_#NULL.offset_7|, ULTIMATE.start_main_#t~ite49=|v_ULTIMATE.start_main_#t~ite49_69|, ULTIMATE.start_main_#t~ite50=|v_ULTIMATE.start_main_#t~ite50_175|, ULTIMATE.start_main_#t~ite52=|v_ULTIMATE.start_main_#t~ite52_81|, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_208, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_137, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_44, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ULTIMATE.start_main_~#t1580~0.base=|v_ULTIMATE.start_main_~#t1580~0.base_19|, ~z$mem_tmp~0=v_~z$mem_tmp~0_16, ULTIMATE.start_main_#t~nondet45=|v_ULTIMATE.start_main_#t~nondet45_7|, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_618, ~z$flush_delayed~0=v_~z$flush_delayed~0_27, ~weak$$choice0~0=v_~weak$$choice0~0_13, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_166, ~z$read_delayed_var~0.base=v_~z$read_delayed_var~0.base_6, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_416, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ~x~0=v_~x~0_129, ULTIMATE.start_main_~#t1580~0.offset=|v_ULTIMATE.start_main_~#t1580~0.offset_12|, ~z$read_delayed~0=v_~z$read_delayed~0_7, ~z$w_buff1~0=v_~z$w_buff1~0_350, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_48, ULTIMATE.start_main_#t~ite48=|v_ULTIMATE.start_main_#t~ite48_37|, ~z$read_delayed_var~0.offset=v_~z$read_delayed_var~0.offset_6, ULTIMATE.start_main_#t~ite51=|v_ULTIMATE.start_main_#t~ite51_52|, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_203, ULTIMATE.start_main_~#t1579~0.base=|v_ULTIMATE.start_main_~#t1579~0.base_23|, ~y~0=v_~y~0_31, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_191, ULTIMATE.start_main_#t~nondet46=|v_ULTIMATE.start_main_#t~nondet46_21|, ULTIMATE.start_main_~#t1581~0.base=|v_ULTIMATE.start_main_~#t1581~0.base_17|, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_900, ~z$w_buff0~0=v_~z$w_buff0~0_454, ULTIMATE.start_main_#t~nondet44=|v_ULTIMATE.start_main_#t~nondet44_8|, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_300, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_24, #NULL.base=|v_#NULL.base_7|, ULTIMATE.start_main_~#t1581~0.offset=|v_ULTIMATE.start_main_~#t1581~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_22|, #valid=|v_#valid_60|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t1579~0.offset=|v_ULTIMATE.start_main_~#t1579~0.offset_17|, ~z~0=v_~z~0_160, ~weak$$choice2~0=v_~weak$$choice2~0_125, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_274} AuxVars[] AssignedVars[~z$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite47, #NULL.offset, ULTIMATE.start_main_#t~ite49, ULTIMATE.start_main_#t~ite50, ULTIMATE.start_main_#t~ite52, ~z$r_buff0_thd0~0, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1580~0.base, ~z$mem_tmp~0, ULTIMATE.start_main_#t~nondet45, ~z$w_buff1_used~0, ~z$flush_delayed~0, ~weak$$choice0~0, ~z$r_buff1_thd1~0, ~z$read_delayed_var~0.base, ~z$r_buff0_thd3~0, ~__unbuffered_cnt~0, ~x~0, ULTIMATE.start_main_~#t1580~0.offset, ~z$read_delayed~0, ~z$w_buff1~0, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite48, ~z$read_delayed_var~0.offset, ULTIMATE.start_main_#t~ite51, ~z$r_buff1_thd0~0, ULTIMATE.start_main_~#t1579~0.base, ~y~0, ~z$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet46, ULTIMATE.start_main_~#t1581~0.base, ~z$w_buff0_used~0, ~z$w_buff0~0, ULTIMATE.start_main_#t~nondet44, ~z$r_buff1_thd3~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1581~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1579~0.offset, ~z~0, ~weak$$choice2~0, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 11:55:29,136 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [874] [874] L822-1-->L824: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1580~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t1580~0.base_11| 0)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1580~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1580~0.base_11|) |v_ULTIMATE.start_main_~#t1580~0.offset_9| 1)) |v_#memory_int_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t1580~0.base_11| 1)) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t1580~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1580~0.base_11| 4)) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t1580~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t1580~0.offset=|v_ULTIMATE.start_main_~#t1580~0.offset_9|, ULTIMATE.start_main_#t~nondet44=|v_ULTIMATE.start_main_#t~nondet44_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|, ULTIMATE.start_main_~#t1580~0.base=|v_ULTIMATE.start_main_~#t1580~0.base_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1580~0.offset, ULTIMATE.start_main_#t~nondet44, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1580~0.base] because there is no mapped edge [2019-12-07 11:55:29,136 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [781] [781] L4-->L746: Formula: (and (= v_~z$r_buff0_thd2~0_29 v_~z$r_buff1_thd2~0_21) (= v_~__unbuffered_p0_EAX~0_8 v_~x~0_8) (= v_~z$r_buff0_thd0~0_28 v_~z$r_buff1_thd0~0_16) (= v_~z$r_buff0_thd1~0_26 1) (not (= v_P0Thread1of1ForFork1___VERIFIER_assert_~expression_18 0)) (= v_~z$r_buff0_thd1~0_27 v_~z$r_buff1_thd1~0_15) (= v_~z$r_buff0_thd3~0_67 v_~z$r_buff1_thd3~0_43)) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_28, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, P0Thread1of1ForFork1___VERIFIER_assert_~expression=v_P0Thread1of1ForFork1___VERIFIER_assert_~expression_18, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_27, ~x~0=v_~x~0_8, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_29} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_8, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_28, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_43, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_16, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_21, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_15, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, P0Thread1of1ForFork1___VERIFIER_assert_~expression=v_P0Thread1of1ForFork1___VERIFIER_assert_~expression_18, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_26, ~x~0=v_~x~0_8, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_29} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, ~z$r_buff1_thd3~0, ~z$r_buff1_thd0~0, ~z$r_buff1_thd2~0, ~z$r_buff1_thd1~0, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 11:55:29,137 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [833] [833] L766-2-->L766-4: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff1_used~0_In1424065344 256))) (.cse0 (= (mod ~z$r_buff1_thd2~0_In1424065344 256) 0))) (or (and (not .cse0) (= ~z$w_buff1~0_In1424065344 |P1Thread1of1ForFork2_#t~ite9_Out1424065344|) (not .cse1)) (and (or .cse1 .cse0) (= ~z~0_In1424065344 |P1Thread1of1ForFork2_#t~ite9_Out1424065344|)))) InVars {~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1424065344, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1424065344, ~z$w_buff1~0=~z$w_buff1~0_In1424065344, ~z~0=~z~0_In1424065344} OutVars{P1Thread1of1ForFork2_#t~ite9=|P1Thread1of1ForFork2_#t~ite9_Out1424065344|, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1424065344, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1424065344, ~z$w_buff1~0=~z$w_buff1~0_In1424065344, ~z~0=~z~0_In1424065344} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite9] because there is no mapped edge [2019-12-07 11:55:29,137 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [752] [752] L766-4-->L767: Formula: (= v_~z~0_16 |v_P1Thread1of1ForFork2_#t~ite9_6|) InVars {P1Thread1of1ForFork2_#t~ite9=|v_P1Thread1of1ForFork2_#t~ite9_6|} OutVars{P1Thread1of1ForFork2_#t~ite9=|v_P1Thread1of1ForFork2_#t~ite9_5|, P1Thread1of1ForFork2_#t~ite10=|v_P1Thread1of1ForFork2_#t~ite10_5|, ~z~0=v_~z~0_16} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite9, P1Thread1of1ForFork2_#t~ite10, ~z~0] because there is no mapped edge [2019-12-07 11:55:29,137 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [871] [871] L824-1-->L826: Formula: (and (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1581~0.base_13|) 0) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1581~0.base_13| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1581~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1581~0.base_13| 4)) (= |v_ULTIMATE.start_main_~#t1581~0.offset_11| 0) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1581~0.base_13|) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1581~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1581~0.base_13|) |v_ULTIMATE.start_main_~#t1581~0.offset_11| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1581~0.base=|v_ULTIMATE.start_main_~#t1581~0.base_13|, ULTIMATE.start_main_~#t1581~0.offset=|v_ULTIMATE.start_main_~#t1581~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet45=|v_ULTIMATE.start_main_#t~nondet45_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1581~0.base, ULTIMATE.start_main_~#t1581~0.offset, #valid, ULTIMATE.start_main_#t~nondet45, #memory_int, #length] because there is no mapped edge [2019-12-07 11:55:29,138 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [841] [841] L767-->L767-2: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff0_used~0_In-1421410405 256))) (.cse0 (= (mod ~z$r_buff0_thd2~0_In-1421410405 256) 0))) (or (and (not .cse0) (= 0 |P1Thread1of1ForFork2_#t~ite11_Out-1421410405|) (not .cse1)) (and (or .cse1 .cse0) (= ~z$w_buff0_used~0_In-1421410405 |P1Thread1of1ForFork2_#t~ite11_Out-1421410405|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-1421410405, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-1421410405} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-1421410405, P1Thread1of1ForFork2_#t~ite11=|P1Thread1of1ForFork2_#t~ite11_Out-1421410405|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-1421410405} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite11] because there is no mapped edge [2019-12-07 11:55:29,138 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [823] [823] L768-->L768-2: Formula: (let ((.cse1 (= (mod ~z$r_buff1_thd2~0_In-2124989506 256) 0)) (.cse0 (= (mod ~z$w_buff1_used~0_In-2124989506 256) 0)) (.cse3 (= (mod ~z$r_buff0_thd2~0_In-2124989506 256) 0)) (.cse2 (= (mod ~z$w_buff0_used~0_In-2124989506 256) 0))) (or (and (= 0 |P1Thread1of1ForFork2_#t~ite12_Out-2124989506|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (or .cse3 .cse2) (= |P1Thread1of1ForFork2_#t~ite12_Out-2124989506| ~z$w_buff1_used~0_In-2124989506)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-2124989506, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In-2124989506, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-2124989506, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-2124989506} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-2124989506, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In-2124989506, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-2124989506, P1Thread1of1ForFork2_#t~ite12=|P1Thread1of1ForFork2_#t~ite12_Out-2124989506|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-2124989506} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite12] because there is no mapped edge [2019-12-07 11:55:29,140 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [842] [842] L769-->L769-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd2~0_In1751836296 256) 0)) (.cse0 (= (mod ~z$w_buff0_used~0_In1751836296 256) 0))) (or (and (= ~z$r_buff0_thd2~0_In1751836296 |P1Thread1of1ForFork2_#t~ite13_Out1751836296|) (or .cse0 .cse1)) (and (not .cse1) (not .cse0) (= 0 |P1Thread1of1ForFork2_#t~ite13_Out1751836296|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1751836296, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1751836296} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In1751836296, P1Thread1of1ForFork2_#t~ite13=|P1Thread1of1ForFork2_#t~ite13_Out1751836296|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1751836296} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite13] because there is no mapped edge [2019-12-07 11:55:29,141 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [875] [875] L790-->L790-8: Formula: (let ((.cse0 (= 0 (mod ~weak$$choice2~0_In-613356867 256)))) (or (and (not .cse0) (= |P2Thread1of1ForFork0_#t~ite27_Out-613356867| ~z$w_buff0_used~0_In-613356867) (= |P2Thread1of1ForFork0_#t~ite26_In-613356867| |P2Thread1of1ForFork0_#t~ite26_Out-613356867|)) (and (= |P2Thread1of1ForFork0_#t~ite26_Out-613356867| |P2Thread1of1ForFork0_#t~ite27_Out-613356867|) .cse0 (let ((.cse1 (= 0 (mod ~z$r_buff0_thd3~0_In-613356867 256)))) (or (= 0 (mod ~z$w_buff0_used~0_In-613356867 256)) (and (= (mod ~z$r_buff1_thd3~0_In-613356867 256) 0) .cse1) (and .cse1 (= 0 (mod ~z$w_buff1_used~0_In-613356867 256))))) (= |P2Thread1of1ForFork0_#t~ite26_Out-613356867| ~z$w_buff0_used~0_In-613356867)))) InVars {P2Thread1of1ForFork0_#t~ite26=|P2Thread1of1ForFork0_#t~ite26_In-613356867|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-613356867, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-613356867, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-613356867, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-613356867, ~weak$$choice2~0=~weak$$choice2~0_In-613356867} OutVars{P2Thread1of1ForFork0_#t~ite26=|P2Thread1of1ForFork0_#t~ite26_Out-613356867|, P2Thread1of1ForFork0_#t~ite27=|P2Thread1of1ForFork0_#t~ite27_Out-613356867|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-613356867, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-613356867, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-613356867, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-613356867, ~weak$$choice2~0=~weak$$choice2~0_In-613356867} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite26, P2Thread1of1ForFork0_#t~ite27] because there is no mapped edge [2019-12-07 11:55:29,142 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [810] [810] L792-->L793: Formula: (and (= v_~z$r_buff0_thd3~0_99 v_~z$r_buff0_thd3~0_100) (not (= 0 (mod v_~weak$$choice2~0_30 256)))) InVars {~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_100, ~weak$$choice2~0=v_~weak$$choice2~0_30} OutVars{P2Thread1of1ForFork0_#t~ite33=|v_P2Thread1of1ForFork0_#t~ite33_7|, P2Thread1of1ForFork0_#t~ite32=|v_P2Thread1of1ForFork0_#t~ite32_9|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_99, P2Thread1of1ForFork0_#t~ite31=|v_P2Thread1of1ForFork0_#t~ite31_6|, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite33, P2Thread1of1ForFork0_#t~ite32, ~z$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite31] because there is no mapped edge [2019-12-07 11:55:29,143 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [828] [828] L747-->L747-2: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff0_used~0_In1095433696 256))) (.cse0 (= (mod ~z$r_buff0_thd1~0_In1095433696 256) 0))) (or (and (not .cse0) (not .cse1) (= |P0Thread1of1ForFork1_#t~ite5_Out1095433696| 0)) (and (or .cse1 .cse0) (= ~z$w_buff0_used~0_In1095433696 |P0Thread1of1ForFork1_#t~ite5_Out1095433696|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1095433696, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In1095433696} OutVars{P0Thread1of1ForFork1_#t~ite5=|P0Thread1of1ForFork1_#t~ite5_Out1095433696|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1095433696, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In1095433696} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite5] because there is no mapped edge [2019-12-07 11:55:29,143 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [814] [814] L795-->L799: Formula: (and (not (= (mod v_~z$flush_delayed~0_8 256) 0)) (= 0 v_~z$flush_delayed~0_7) (= v_~z~0_50 v_~z$mem_tmp~0_5)) InVars {~z$mem_tmp~0=v_~z$mem_tmp~0_5, ~z$flush_delayed~0=v_~z$flush_delayed~0_8} OutVars{P2Thread1of1ForFork0_#t~ite37=|v_P2Thread1of1ForFork0_#t~ite37_5|, ~z$mem_tmp~0=v_~z$mem_tmp~0_5, ~z$flush_delayed~0=v_~z$flush_delayed~0_7, ~z~0=v_~z~0_50} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite37, ~z$flush_delayed~0, ~z~0] because there is no mapped edge [2019-12-07 11:55:29,144 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [827] [827] L799-2-->L799-5: Formula: (let ((.cse0 (= |P2Thread1of1ForFork0_#t~ite39_Out283203836| |P2Thread1of1ForFork0_#t~ite38_Out283203836|)) (.cse1 (= 0 (mod ~z$w_buff1_used~0_In283203836 256))) (.cse2 (= 0 (mod ~z$r_buff1_thd3~0_In283203836 256)))) (or (and .cse0 (or .cse1 .cse2) (= ~z~0_In283203836 |P2Thread1of1ForFork0_#t~ite38_Out283203836|)) (and (= ~z$w_buff1~0_In283203836 |P2Thread1of1ForFork0_#t~ite38_Out283203836|) .cse0 (not .cse1) (not .cse2)))) InVars {~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In283203836, ~z$w_buff1_used~0=~z$w_buff1_used~0_In283203836, ~z$w_buff1~0=~z$w_buff1~0_In283203836, ~z~0=~z~0_In283203836} OutVars{P2Thread1of1ForFork0_#t~ite39=|P2Thread1of1ForFork0_#t~ite39_Out283203836|, P2Thread1of1ForFork0_#t~ite38=|P2Thread1of1ForFork0_#t~ite38_Out283203836|, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In283203836, ~z$w_buff1_used~0=~z$w_buff1_used~0_In283203836, ~z$w_buff1~0=~z$w_buff1~0_In283203836, ~z~0=~z~0_In283203836} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite39, P2Thread1of1ForFork0_#t~ite38] because there is no mapped edge [2019-12-07 11:55:29,144 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [843] [843] L800-->L800-2: Formula: (let ((.cse1 (= (mod ~z$w_buff0_used~0_In-84859877 256) 0)) (.cse0 (= (mod ~z$r_buff0_thd3~0_In-84859877 256) 0))) (or (and (= |P2Thread1of1ForFork0_#t~ite40_Out-84859877| ~z$w_buff0_used~0_In-84859877) (or .cse0 .cse1)) (and (not .cse1) (= |P2Thread1of1ForFork0_#t~ite40_Out-84859877| 0) (not .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-84859877, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-84859877} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-84859877, P2Thread1of1ForFork0_#t~ite40=|P2Thread1of1ForFork0_#t~ite40_Out-84859877|, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-84859877} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite40] because there is no mapped edge [2019-12-07 11:55:29,145 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [836] [836] L801-->L801-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd3~0_In376260199 256) 0)) (.cse0 (= (mod ~z$w_buff0_used~0_In376260199 256) 0)) (.cse3 (= (mod ~z$w_buff1_used~0_In376260199 256) 0)) (.cse2 (= 0 (mod ~z$r_buff1_thd3~0_In376260199 256)))) (or (and (= 0 |P2Thread1of1ForFork0_#t~ite41_Out376260199|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (= |P2Thread1of1ForFork0_#t~ite41_Out376260199| ~z$w_buff1_used~0_In376260199) (or .cse3 .cse2)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In376260199, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In376260199, ~z$w_buff1_used~0=~z$w_buff1_used~0_In376260199, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In376260199} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In376260199, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In376260199, ~z$w_buff1_used~0=~z$w_buff1_used~0_In376260199, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In376260199, P2Thread1of1ForFork0_#t~ite41=|P2Thread1of1ForFork0_#t~ite41_Out376260199|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite41] because there is no mapped edge [2019-12-07 11:55:29,145 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [824] [824] L802-->L802-2: Formula: (let ((.cse1 (= 0 (mod ~z$r_buff0_thd3~0_In-1987365611 256))) (.cse0 (= (mod ~z$w_buff0_used~0_In-1987365611 256) 0))) (or (and (= |P2Thread1of1ForFork0_#t~ite42_Out-1987365611| ~z$r_buff0_thd3~0_In-1987365611) (or .cse0 .cse1)) (and (not .cse1) (= |P2Thread1of1ForFork0_#t~ite42_Out-1987365611| 0) (not .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-1987365611, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1987365611} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-1987365611, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1987365611, P2Thread1of1ForFork0_#t~ite42=|P2Thread1of1ForFork0_#t~ite42_Out-1987365611|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite42] because there is no mapped edge [2019-12-07 11:55:29,145 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [846] [846] L803-->L803-2: Formula: (let ((.cse2 (= 0 (mod ~z$w_buff1_used~0_In-1582685182 256))) (.cse3 (= (mod ~z$r_buff1_thd3~0_In-1582685182 256) 0)) (.cse0 (= 0 (mod ~z$r_buff0_thd3~0_In-1582685182 256))) (.cse1 (= (mod ~z$w_buff0_used~0_In-1582685182 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P2Thread1of1ForFork0_#t~ite43_Out-1582685182|)) (and (or .cse2 .cse3) (or .cse0 .cse1) (= ~z$r_buff1_thd3~0_In-1582685182 |P2Thread1of1ForFork0_#t~ite43_Out-1582685182|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-1582685182, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-1582685182, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1582685182, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1582685182} OutVars{P2Thread1of1ForFork0_#t~ite43=|P2Thread1of1ForFork0_#t~ite43_Out-1582685182|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1582685182, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-1582685182, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1582685182, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1582685182} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite43] because there is no mapped edge [2019-12-07 11:55:29,146 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [859] [859] L803-2-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork0_#res.base_3| 0) (= (+ v_~__unbuffered_cnt~0_49 1) v_~__unbuffered_cnt~0_48) (= v_~z$r_buff1_thd3~0_143 |v_P2Thread1of1ForFork0_#t~ite43_28|) (= |v_P2Thread1of1ForFork0_#res.offset_3| 0)) InVars {P2Thread1of1ForFork0_#t~ite43=|v_P2Thread1of1ForFork0_#t~ite43_28|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_49} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_3|, P2Thread1of1ForFork0_#t~ite43=|v_P2Thread1of1ForFork0_#t~ite43_27|, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_143, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_48, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, P2Thread1of1ForFork0_#t~ite43, ~z$r_buff1_thd3~0, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-07 11:55:29,146 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [847] [847] L748-->L748-2: Formula: (let ((.cse0 (= 0 (mod ~z$w_buff1_used~0_In-572789 256))) (.cse1 (= (mod ~z$r_buff1_thd1~0_In-572789 256) 0)) (.cse3 (= 0 (mod ~z$w_buff0_used~0_In-572789 256))) (.cse2 (= 0 (mod ~z$r_buff0_thd1~0_In-572789 256)))) (or (and (= 0 |P0Thread1of1ForFork1_#t~ite6_Out-572789|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse0 .cse1) (= ~z$w_buff1_used~0_In-572789 |P0Thread1of1ForFork1_#t~ite6_Out-572789|) (or .cse3 .cse2)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-572789, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In-572789, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-572789, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-572789} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-572789, P0Thread1of1ForFork1_#t~ite6=|P0Thread1of1ForFork1_#t~ite6_Out-572789|, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In-572789, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-572789, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-572789} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite6] because there is no mapped edge [2019-12-07 11:55:29,146 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [845] [845] L749-->L750: Formula: (let ((.cse0 (= (mod ~z$r_buff0_thd1~0_In-211499326 256) 0)) (.cse2 (= ~z$r_buff0_thd1~0_In-211499326 ~z$r_buff0_thd1~0_Out-211499326)) (.cse1 (= 0 (mod ~z$w_buff0_used~0_In-211499326 256)))) (or (and (not .cse0) (not .cse1) (= 0 ~z$r_buff0_thd1~0_Out-211499326)) (and .cse2 .cse0) (and .cse2 .cse1))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-211499326, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-211499326} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-211499326, P0Thread1of1ForFork1_#t~ite7=|P0Thread1of1ForFork1_#t~ite7_Out-211499326|, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_Out-211499326} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite7, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 11:55:29,146 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [840] [840] L750-->L750-2: Formula: (let ((.cse2 (= 0 (mod ~z$w_buff1_used~0_In550460892 256))) (.cse3 (= (mod ~z$r_buff1_thd1~0_In550460892 256) 0)) (.cse1 (= 0 (mod ~z$r_buff0_thd1~0_In550460892 256))) (.cse0 (= 0 (mod ~z$w_buff0_used~0_In550460892 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P0Thread1of1ForFork1_#t~ite8_Out550460892|)) (and (or .cse2 .cse3) (= |P0Thread1of1ForFork1_#t~ite8_Out550460892| ~z$r_buff1_thd1~0_In550460892) (or .cse1 .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In550460892, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In550460892, ~z$w_buff1_used~0=~z$w_buff1_used~0_In550460892, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In550460892} OutVars{P0Thread1of1ForFork1_#t~ite8=|P0Thread1of1ForFork1_#t~ite8_Out550460892|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In550460892, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In550460892, ~z$w_buff1_used~0=~z$w_buff1_used~0_In550460892, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In550460892} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite8] because there is no mapped edge [2019-12-07 11:55:29,146 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [866] [866] L750-2-->P0EXIT: Formula: (and (= v_~z$r_buff1_thd1~0_100 |v_P0Thread1of1ForFork1_#t~ite8_42|) (= 0 |v_P0Thread1of1ForFork1_#res.base_3|) (= 0 |v_P0Thread1of1ForFork1_#res.offset_3|) (= (+ v_~__unbuffered_cnt~0_67 1) v_~__unbuffered_cnt~0_66)) InVars {P0Thread1of1ForFork1_#t~ite8=|v_P0Thread1of1ForFork1_#t~ite8_42|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67} OutVars{P0Thread1of1ForFork1_#t~ite8=|v_P0Thread1of1ForFork1_#t~ite8_41|, P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_3|, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_100, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_3|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_66} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite8, P0Thread1of1ForFork1_#res.offset, ~z$r_buff1_thd1~0, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] because there is no mapped edge [2019-12-07 11:55:29,147 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [837] [837] L770-->L770-2: Formula: (let ((.cse3 (= (mod ~z$r_buff0_thd2~0_In1490412612 256) 0)) (.cse2 (= (mod ~z$w_buff0_used~0_In1490412612 256) 0)) (.cse0 (= 0 (mod ~z$w_buff1_used~0_In1490412612 256))) (.cse1 (= 0 (mod ~z$r_buff1_thd2~0_In1490412612 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P1Thread1of1ForFork2_#t~ite14_Out1490412612|)) (and (or .cse3 .cse2) (= ~z$r_buff1_thd2~0_In1490412612 |P1Thread1of1ForFork2_#t~ite14_Out1490412612|) (or .cse0 .cse1)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1490412612, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1490412612, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1490412612, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1490412612} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In1490412612, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1490412612, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1490412612, P1Thread1of1ForFork2_#t~ite14=|P1Thread1of1ForFork2_#t~ite14_Out1490412612|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1490412612} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite14] because there is no mapped edge [2019-12-07 11:55:29,147 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [872] [872] L770-2-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork2_#res.offset_3|) (= 0 |v_P1Thread1of1ForFork2_#res.base_3|) (= v_~z$r_buff1_thd2~0_120 |v_P1Thread1of1ForFork2_#t~ite14_32|) (= v_~__unbuffered_cnt~0_76 (+ v_~__unbuffered_cnt~0_77 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77, P1Thread1of1ForFork2_#t~ite14=|v_P1Thread1of1ForFork2_#t~ite14_32|} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_3|, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_120, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76, P1Thread1of1ForFork2_#t~ite14=|v_P1Thread1of1ForFork2_#t~ite14_31|, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~z$r_buff1_thd2~0, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#t~ite14, P1Thread1of1ForFork2_#res.base] because there is no mapped edge [2019-12-07 11:55:29,147 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [799] [799] L826-1-->L832: Formula: (and (= v_~main$tmp_guard0~0_7 (ite (= (ite (= 3 v_~__unbuffered_cnt~0_14) 1 0) 0) 0 1)) (not (= (mod v_~main$tmp_guard0~0_7 256) 0))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_14} OutVars{ULTIMATE.start_main_#t~nondet46=|v_ULTIMATE.start_main_#t~nondet46_6|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_14, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet46, ~main$tmp_guard0~0] because there is no mapped edge [2019-12-07 11:55:29,147 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [825] [825] L832-2-->L832-5: Formula: (let ((.cse1 (= (mod ~z$r_buff1_thd0~0_In1995149116 256) 0)) (.cse0 (= 0 (mod ~z$w_buff1_used~0_In1995149116 256))) (.cse2 (= |ULTIMATE.start_main_#t~ite47_Out1995149116| |ULTIMATE.start_main_#t~ite48_Out1995149116|))) (or (and (or .cse0 .cse1) (= ~z~0_In1995149116 |ULTIMATE.start_main_#t~ite47_Out1995149116|) .cse2) (and (not .cse1) (= ~z$w_buff1~0_In1995149116 |ULTIMATE.start_main_#t~ite47_Out1995149116|) (not .cse0) .cse2))) InVars {~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1995149116, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1995149116, ~z$w_buff1~0=~z$w_buff1~0_In1995149116, ~z~0=~z~0_In1995149116} OutVars{~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1995149116, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out1995149116|, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1995149116, ~z$w_buff1~0=~z$w_buff1~0_In1995149116, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out1995149116|, ~z~0=~z~0_In1995149116} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite47, ULTIMATE.start_main_#t~ite48] because there is no mapped edge [2019-12-07 11:55:29,148 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [839] [839] L833-->L833-2: Formula: (let ((.cse1 (= (mod ~z$w_buff0_used~0_In-1098839980 256) 0)) (.cse0 (= 0 (mod ~z$r_buff0_thd0~0_In-1098839980 256)))) (or (and (not .cse0) (not .cse1) (= 0 |ULTIMATE.start_main_#t~ite49_Out-1098839980|)) (and (or .cse1 .cse0) (= ~z$w_buff0_used~0_In-1098839980 |ULTIMATE.start_main_#t~ite49_Out-1098839980|)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1098839980, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1098839980} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1098839980, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1098839980, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out-1098839980|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite49] because there is no mapped edge [2019-12-07 11:55:29,148 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [830] [830] L834-->L834-2: Formula: (let ((.cse3 (= (mod ~z$r_buff0_thd0~0_In1247619388 256) 0)) (.cse2 (= 0 (mod ~z$w_buff0_used~0_In1247619388 256))) (.cse1 (= (mod ~z$w_buff1_used~0_In1247619388 256) 0)) (.cse0 (= (mod ~z$r_buff1_thd0~0_In1247619388 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |ULTIMATE.start_main_#t~ite50_Out1247619388| 0)) (and (or .cse3 .cse2) (or .cse1 .cse0) (= ~z$w_buff1_used~0_In1247619388 |ULTIMATE.start_main_#t~ite50_Out1247619388|)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1247619388, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1247619388, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1247619388, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1247619388} OutVars{ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out1247619388|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1247619388, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1247619388, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1247619388, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1247619388} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50] because there is no mapped edge [2019-12-07 11:55:29,149 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [821] [821] L835-->L835-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd0~0_In444173124 256) 0)) (.cse0 (= 0 (mod ~z$w_buff0_used~0_In444173124 256)))) (or (and (= 0 |ULTIMATE.start_main_#t~ite51_Out444173124|) (not .cse0) (not .cse1)) (and (= ~z$r_buff0_thd0~0_In444173124 |ULTIMATE.start_main_#t~ite51_Out444173124|) (or .cse1 .cse0)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In444173124, ~z$w_buff0_used~0=~z$w_buff0_used~0_In444173124} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In444173124, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out444173124|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In444173124} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite51] because there is no mapped edge [2019-12-07 11:55:29,149 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [834] [834] L836-->L836-2: Formula: (let ((.cse2 (= 0 (mod ~z$w_buff0_used~0_In818053462 256))) (.cse3 (= (mod ~z$r_buff0_thd0~0_In818053462 256) 0)) (.cse0 (= 0 (mod ~z$r_buff1_thd0~0_In818053462 256))) (.cse1 (= 0 (mod ~z$w_buff1_used~0_In818053462 256)))) (or (and (or .cse0 .cse1) (= ~z$r_buff1_thd0~0_In818053462 |ULTIMATE.start_main_#t~ite52_Out818053462|) (or .cse2 .cse3)) (and (or (and (not .cse2) (not .cse3)) (and (not .cse0) (not .cse1))) (= |ULTIMATE.start_main_#t~ite52_Out818053462| 0)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In818053462, ~z$w_buff0_used~0=~z$w_buff0_used~0_In818053462, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In818053462, ~z$w_buff1_used~0=~z$w_buff1_used~0_In818053462} OutVars{ULTIMATE.start_main_#t~ite52=|ULTIMATE.start_main_#t~ite52_Out818053462|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In818053462, ~z$w_buff0_used~0=~z$w_buff0_used~0_In818053462, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In818053462, ~z$w_buff1_used~0=~z$w_buff1_used~0_In818053462} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite52] because there is no mapped edge [2019-12-07 11:55:29,149 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [879] [879] L836-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_~main$tmp_guard1~0_20 (ite (= 0 (ite (not (and (= 0 v_~__unbuffered_p1_EAX~0_25) (= 0 v_~__unbuffered_p0_EAX~0_99) (= 0 v_~__unbuffered_p2_EAX~0_26))) 1 0)) 0 1)) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= v_~z$r_buff1_thd0~0_143 |v_ULTIMATE.start_main_#t~ite52_43|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_20 256)) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_99, ULTIMATE.start_main_#t~ite52=|v_ULTIMATE.start_main_#t~ite52_43|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_99, ULTIMATE.start_main_#t~ite52=|v_ULTIMATE.start_main_#t~ite52_42|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_25, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_143, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite52, ULTIMATE.start___VERIFIER_assert_~expression, ~z$r_buff1_thd0~0, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 11:55:29,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:55:29 BasicIcfg [2019-12-07 11:55:29,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:55:29,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:55:29,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:55:29,203 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:55:29,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:53:18" (3/4) ... [2019-12-07 11:55:29,205 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 11:55:29,205 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [895] [895] ULTIMATE.startENTRY-->L822: Formula: (let ((.cse0 (store |v_#valid_62| 0 0))) (and (= 0 v_~z$flush_delayed~0_27) (= 0 v_~x~0_129) (= 0 v_~__unbuffered_p1_EAX~0_44) (= 0 |v_ULTIMATE.start_main_~#t1579~0.offset_17|) (= v_~weak$$choice2~0_125 0) (= v_~z$read_delayed_var~0.offset_6 0) (= v_~z$r_buff0_thd1~0_274 0) (= |v_#NULL.offset_7| 0) (= v_~z$mem_tmp~0_16 0) (= v_~z$r_buff1_thd0~0_203 0) (= v_~main$tmp_guard1~0_48 0) (= |v_#valid_60| (store .cse0 |v_ULTIMATE.start_main_~#t1579~0.base_23| 1)) (= 0 v_~z$r_buff0_thd3~0_416) (= v_~z$w_buff1_used~0_618 0) (< 0 |v_#StackHeapBarrier_17|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1579~0.base_23| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1579~0.base_23|) |v_ULTIMATE.start_main_~#t1579~0.offset_17| 0)) |v_#memory_int_17|) (= v_~z$r_buff0_thd0~0_208 0) (= v_~z$read_delayed_var~0.base_6 0) (= v_~z$w_buff1~0_350 0) (= v_~z$w_buff0_used~0_900 0) (= 0 v_~__unbuffered_p0_EAX~0_137) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1579~0.base_23|)) (= v_~z$read_delayed~0_7 0) (= v_~z$r_buff1_thd2~0_170 0) (= 0 |v_#NULL.base_7|) (< |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t1579~0.base_23|) (= 0 v_~z$r_buff1_thd3~0_300) (= v_~z$r_buff1_thd1~0_166 0) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1579~0.base_23| 4) |v_#length_21|) (= v_~z$w_buff0~0_454 0) (= 0 v_~weak$$choice0~0_13) (= v_~z~0_160 0) (= v_~main$tmp_guard0~0_24 0) (= 0 v_~__unbuffered_cnt~0_97) (= v_~z$r_buff0_thd2~0_191 0) (= v_~y~0_31 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_17|, #valid=|v_#valid_62|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_170, ULTIMATE.start_main_#t~ite47=|v_ULTIMATE.start_main_#t~ite47_29|, #NULL.offset=|v_#NULL.offset_7|, ULTIMATE.start_main_#t~ite49=|v_ULTIMATE.start_main_#t~ite49_69|, ULTIMATE.start_main_#t~ite50=|v_ULTIMATE.start_main_#t~ite50_175|, ULTIMATE.start_main_#t~ite52=|v_ULTIMATE.start_main_#t~ite52_81|, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_208, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_137, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_44, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ULTIMATE.start_main_~#t1580~0.base=|v_ULTIMATE.start_main_~#t1580~0.base_19|, ~z$mem_tmp~0=v_~z$mem_tmp~0_16, ULTIMATE.start_main_#t~nondet45=|v_ULTIMATE.start_main_#t~nondet45_7|, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_618, ~z$flush_delayed~0=v_~z$flush_delayed~0_27, ~weak$$choice0~0=v_~weak$$choice0~0_13, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_166, ~z$read_delayed_var~0.base=v_~z$read_delayed_var~0.base_6, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_416, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ~x~0=v_~x~0_129, ULTIMATE.start_main_~#t1580~0.offset=|v_ULTIMATE.start_main_~#t1580~0.offset_12|, ~z$read_delayed~0=v_~z$read_delayed~0_7, ~z$w_buff1~0=v_~z$w_buff1~0_350, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_48, ULTIMATE.start_main_#t~ite48=|v_ULTIMATE.start_main_#t~ite48_37|, ~z$read_delayed_var~0.offset=v_~z$read_delayed_var~0.offset_6, ULTIMATE.start_main_#t~ite51=|v_ULTIMATE.start_main_#t~ite51_52|, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_203, ULTIMATE.start_main_~#t1579~0.base=|v_ULTIMATE.start_main_~#t1579~0.base_23|, ~y~0=v_~y~0_31, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_191, ULTIMATE.start_main_#t~nondet46=|v_ULTIMATE.start_main_#t~nondet46_21|, ULTIMATE.start_main_~#t1581~0.base=|v_ULTIMATE.start_main_~#t1581~0.base_17|, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_900, ~z$w_buff0~0=v_~z$w_buff0~0_454, ULTIMATE.start_main_#t~nondet44=|v_ULTIMATE.start_main_#t~nondet44_8|, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_300, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_24, #NULL.base=|v_#NULL.base_7|, ULTIMATE.start_main_~#t1581~0.offset=|v_ULTIMATE.start_main_~#t1581~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_22|, #valid=|v_#valid_60|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t1579~0.offset=|v_ULTIMATE.start_main_~#t1579~0.offset_17|, ~z~0=v_~z~0_160, ~weak$$choice2~0=v_~weak$$choice2~0_125, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_274} AuxVars[] AssignedVars[~z$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite47, #NULL.offset, ULTIMATE.start_main_#t~ite49, ULTIMATE.start_main_#t~ite50, ULTIMATE.start_main_#t~ite52, ~z$r_buff0_thd0~0, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1580~0.base, ~z$mem_tmp~0, ULTIMATE.start_main_#t~nondet45, ~z$w_buff1_used~0, ~z$flush_delayed~0, ~weak$$choice0~0, ~z$r_buff1_thd1~0, ~z$read_delayed_var~0.base, ~z$r_buff0_thd3~0, ~__unbuffered_cnt~0, ~x~0, ULTIMATE.start_main_~#t1580~0.offset, ~z$read_delayed~0, ~z$w_buff1~0, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite48, ~z$read_delayed_var~0.offset, ULTIMATE.start_main_#t~ite51, ~z$r_buff1_thd0~0, ULTIMATE.start_main_~#t1579~0.base, ~y~0, ~z$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet46, ULTIMATE.start_main_~#t1581~0.base, ~z$w_buff0_used~0, ~z$w_buff0~0, ULTIMATE.start_main_#t~nondet44, ~z$r_buff1_thd3~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1581~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1579~0.offset, ~z~0, ~weak$$choice2~0, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 11:55:29,206 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [874] [874] L822-1-->L824: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1580~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t1580~0.base_11| 0)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1580~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1580~0.base_11|) |v_ULTIMATE.start_main_~#t1580~0.offset_9| 1)) |v_#memory_int_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t1580~0.base_11| 1)) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t1580~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1580~0.base_11| 4)) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t1580~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t1580~0.offset=|v_ULTIMATE.start_main_~#t1580~0.offset_9|, ULTIMATE.start_main_#t~nondet44=|v_ULTIMATE.start_main_#t~nondet44_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|, ULTIMATE.start_main_~#t1580~0.base=|v_ULTIMATE.start_main_~#t1580~0.base_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1580~0.offset, ULTIMATE.start_main_#t~nondet44, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1580~0.base] because there is no mapped edge [2019-12-07 11:55:29,206 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [781] [781] L4-->L746: Formula: (and (= v_~z$r_buff0_thd2~0_29 v_~z$r_buff1_thd2~0_21) (= v_~__unbuffered_p0_EAX~0_8 v_~x~0_8) (= v_~z$r_buff0_thd0~0_28 v_~z$r_buff1_thd0~0_16) (= v_~z$r_buff0_thd1~0_26 1) (not (= v_P0Thread1of1ForFork1___VERIFIER_assert_~expression_18 0)) (= v_~z$r_buff0_thd1~0_27 v_~z$r_buff1_thd1~0_15) (= v_~z$r_buff0_thd3~0_67 v_~z$r_buff1_thd3~0_43)) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_28, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, P0Thread1of1ForFork1___VERIFIER_assert_~expression=v_P0Thread1of1ForFork1___VERIFIER_assert_~expression_18, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_27, ~x~0=v_~x~0_8, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_29} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_8, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_28, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_43, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_16, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_21, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_15, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, P0Thread1of1ForFork1___VERIFIER_assert_~expression=v_P0Thread1of1ForFork1___VERIFIER_assert_~expression_18, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_26, ~x~0=v_~x~0_8, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_29} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, ~z$r_buff1_thd3~0, ~z$r_buff1_thd0~0, ~z$r_buff1_thd2~0, ~z$r_buff1_thd1~0, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 11:55:29,207 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [833] [833] L766-2-->L766-4: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff1_used~0_In1424065344 256))) (.cse0 (= (mod ~z$r_buff1_thd2~0_In1424065344 256) 0))) (or (and (not .cse0) (= ~z$w_buff1~0_In1424065344 |P1Thread1of1ForFork2_#t~ite9_Out1424065344|) (not .cse1)) (and (or .cse1 .cse0) (= ~z~0_In1424065344 |P1Thread1of1ForFork2_#t~ite9_Out1424065344|)))) InVars {~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1424065344, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1424065344, ~z$w_buff1~0=~z$w_buff1~0_In1424065344, ~z~0=~z~0_In1424065344} OutVars{P1Thread1of1ForFork2_#t~ite9=|P1Thread1of1ForFork2_#t~ite9_Out1424065344|, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1424065344, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1424065344, ~z$w_buff1~0=~z$w_buff1~0_In1424065344, ~z~0=~z~0_In1424065344} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite9] because there is no mapped edge [2019-12-07 11:55:29,207 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [752] [752] L766-4-->L767: Formula: (= v_~z~0_16 |v_P1Thread1of1ForFork2_#t~ite9_6|) InVars {P1Thread1of1ForFork2_#t~ite9=|v_P1Thread1of1ForFork2_#t~ite9_6|} OutVars{P1Thread1of1ForFork2_#t~ite9=|v_P1Thread1of1ForFork2_#t~ite9_5|, P1Thread1of1ForFork2_#t~ite10=|v_P1Thread1of1ForFork2_#t~ite10_5|, ~z~0=v_~z~0_16} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite9, P1Thread1of1ForFork2_#t~ite10, ~z~0] because there is no mapped edge [2019-12-07 11:55:29,207 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [871] [871] L824-1-->L826: Formula: (and (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1581~0.base_13|) 0) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1581~0.base_13| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1581~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1581~0.base_13| 4)) (= |v_ULTIMATE.start_main_~#t1581~0.offset_11| 0) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1581~0.base_13|) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1581~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1581~0.base_13|) |v_ULTIMATE.start_main_~#t1581~0.offset_11| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1581~0.base=|v_ULTIMATE.start_main_~#t1581~0.base_13|, ULTIMATE.start_main_~#t1581~0.offset=|v_ULTIMATE.start_main_~#t1581~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet45=|v_ULTIMATE.start_main_#t~nondet45_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1581~0.base, ULTIMATE.start_main_~#t1581~0.offset, #valid, ULTIMATE.start_main_#t~nondet45, #memory_int, #length] because there is no mapped edge [2019-12-07 11:55:29,207 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [841] [841] L767-->L767-2: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff0_used~0_In-1421410405 256))) (.cse0 (= (mod ~z$r_buff0_thd2~0_In-1421410405 256) 0))) (or (and (not .cse0) (= 0 |P1Thread1of1ForFork2_#t~ite11_Out-1421410405|) (not .cse1)) (and (or .cse1 .cse0) (= ~z$w_buff0_used~0_In-1421410405 |P1Thread1of1ForFork2_#t~ite11_Out-1421410405|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-1421410405, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-1421410405} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-1421410405, P1Thread1of1ForFork2_#t~ite11=|P1Thread1of1ForFork2_#t~ite11_Out-1421410405|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-1421410405} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite11] because there is no mapped edge [2019-12-07 11:55:29,208 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [823] [823] L768-->L768-2: Formula: (let ((.cse1 (= (mod ~z$r_buff1_thd2~0_In-2124989506 256) 0)) (.cse0 (= (mod ~z$w_buff1_used~0_In-2124989506 256) 0)) (.cse3 (= (mod ~z$r_buff0_thd2~0_In-2124989506 256) 0)) (.cse2 (= (mod ~z$w_buff0_used~0_In-2124989506 256) 0))) (or (and (= 0 |P1Thread1of1ForFork2_#t~ite12_Out-2124989506|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (or .cse3 .cse2) (= |P1Thread1of1ForFork2_#t~ite12_Out-2124989506| ~z$w_buff1_used~0_In-2124989506)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-2124989506, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In-2124989506, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-2124989506, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-2124989506} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-2124989506, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In-2124989506, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-2124989506, P1Thread1of1ForFork2_#t~ite12=|P1Thread1of1ForFork2_#t~ite12_Out-2124989506|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In-2124989506} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite12] because there is no mapped edge [2019-12-07 11:55:29,210 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [842] [842] L769-->L769-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd2~0_In1751836296 256) 0)) (.cse0 (= (mod ~z$w_buff0_used~0_In1751836296 256) 0))) (or (and (= ~z$r_buff0_thd2~0_In1751836296 |P1Thread1of1ForFork2_#t~ite13_Out1751836296|) (or .cse0 .cse1)) (and (not .cse1) (not .cse0) (= 0 |P1Thread1of1ForFork2_#t~ite13_Out1751836296|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1751836296, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1751836296} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In1751836296, P1Thread1of1ForFork2_#t~ite13=|P1Thread1of1ForFork2_#t~ite13_Out1751836296|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1751836296} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite13] because there is no mapped edge [2019-12-07 11:55:29,211 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [875] [875] L790-->L790-8: Formula: (let ((.cse0 (= 0 (mod ~weak$$choice2~0_In-613356867 256)))) (or (and (not .cse0) (= |P2Thread1of1ForFork0_#t~ite27_Out-613356867| ~z$w_buff0_used~0_In-613356867) (= |P2Thread1of1ForFork0_#t~ite26_In-613356867| |P2Thread1of1ForFork0_#t~ite26_Out-613356867|)) (and (= |P2Thread1of1ForFork0_#t~ite26_Out-613356867| |P2Thread1of1ForFork0_#t~ite27_Out-613356867|) .cse0 (let ((.cse1 (= 0 (mod ~z$r_buff0_thd3~0_In-613356867 256)))) (or (= 0 (mod ~z$w_buff0_used~0_In-613356867 256)) (and (= (mod ~z$r_buff1_thd3~0_In-613356867 256) 0) .cse1) (and .cse1 (= 0 (mod ~z$w_buff1_used~0_In-613356867 256))))) (= |P2Thread1of1ForFork0_#t~ite26_Out-613356867| ~z$w_buff0_used~0_In-613356867)))) InVars {P2Thread1of1ForFork0_#t~ite26=|P2Thread1of1ForFork0_#t~ite26_In-613356867|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-613356867, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-613356867, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-613356867, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-613356867, ~weak$$choice2~0=~weak$$choice2~0_In-613356867} OutVars{P2Thread1of1ForFork0_#t~ite26=|P2Thread1of1ForFork0_#t~ite26_Out-613356867|, P2Thread1of1ForFork0_#t~ite27=|P2Thread1of1ForFork0_#t~ite27_Out-613356867|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-613356867, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-613356867, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-613356867, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-613356867, ~weak$$choice2~0=~weak$$choice2~0_In-613356867} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite26, P2Thread1of1ForFork0_#t~ite27] because there is no mapped edge [2019-12-07 11:55:29,212 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [810] [810] L792-->L793: Formula: (and (= v_~z$r_buff0_thd3~0_99 v_~z$r_buff0_thd3~0_100) (not (= 0 (mod v_~weak$$choice2~0_30 256)))) InVars {~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_100, ~weak$$choice2~0=v_~weak$$choice2~0_30} OutVars{P2Thread1of1ForFork0_#t~ite33=|v_P2Thread1of1ForFork0_#t~ite33_7|, P2Thread1of1ForFork0_#t~ite32=|v_P2Thread1of1ForFork0_#t~ite32_9|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_99, P2Thread1of1ForFork0_#t~ite31=|v_P2Thread1of1ForFork0_#t~ite31_6|, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite33, P2Thread1of1ForFork0_#t~ite32, ~z$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite31] because there is no mapped edge [2019-12-07 11:55:29,213 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [828] [828] L747-->L747-2: Formula: (let ((.cse1 (= 0 (mod ~z$w_buff0_used~0_In1095433696 256))) (.cse0 (= (mod ~z$r_buff0_thd1~0_In1095433696 256) 0))) (or (and (not .cse0) (not .cse1) (= |P0Thread1of1ForFork1_#t~ite5_Out1095433696| 0)) (and (or .cse1 .cse0) (= ~z$w_buff0_used~0_In1095433696 |P0Thread1of1ForFork1_#t~ite5_Out1095433696|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1095433696, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In1095433696} OutVars{P0Thread1of1ForFork1_#t~ite5=|P0Thread1of1ForFork1_#t~ite5_Out1095433696|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1095433696, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In1095433696} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite5] because there is no mapped edge [2019-12-07 11:55:29,213 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [814] [814] L795-->L799: Formula: (and (not (= (mod v_~z$flush_delayed~0_8 256) 0)) (= 0 v_~z$flush_delayed~0_7) (= v_~z~0_50 v_~z$mem_tmp~0_5)) InVars {~z$mem_tmp~0=v_~z$mem_tmp~0_5, ~z$flush_delayed~0=v_~z$flush_delayed~0_8} OutVars{P2Thread1of1ForFork0_#t~ite37=|v_P2Thread1of1ForFork0_#t~ite37_5|, ~z$mem_tmp~0=v_~z$mem_tmp~0_5, ~z$flush_delayed~0=v_~z$flush_delayed~0_7, ~z~0=v_~z~0_50} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite37, ~z$flush_delayed~0, ~z~0] because there is no mapped edge [2019-12-07 11:55:29,213 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [827] [827] L799-2-->L799-5: Formula: (let ((.cse0 (= |P2Thread1of1ForFork0_#t~ite39_Out283203836| |P2Thread1of1ForFork0_#t~ite38_Out283203836|)) (.cse1 (= 0 (mod ~z$w_buff1_used~0_In283203836 256))) (.cse2 (= 0 (mod ~z$r_buff1_thd3~0_In283203836 256)))) (or (and .cse0 (or .cse1 .cse2) (= ~z~0_In283203836 |P2Thread1of1ForFork0_#t~ite38_Out283203836|)) (and (= ~z$w_buff1~0_In283203836 |P2Thread1of1ForFork0_#t~ite38_Out283203836|) .cse0 (not .cse1) (not .cse2)))) InVars {~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In283203836, ~z$w_buff1_used~0=~z$w_buff1_used~0_In283203836, ~z$w_buff1~0=~z$w_buff1~0_In283203836, ~z~0=~z~0_In283203836} OutVars{P2Thread1of1ForFork0_#t~ite39=|P2Thread1of1ForFork0_#t~ite39_Out283203836|, P2Thread1of1ForFork0_#t~ite38=|P2Thread1of1ForFork0_#t~ite38_Out283203836|, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In283203836, ~z$w_buff1_used~0=~z$w_buff1_used~0_In283203836, ~z$w_buff1~0=~z$w_buff1~0_In283203836, ~z~0=~z~0_In283203836} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite39, P2Thread1of1ForFork0_#t~ite38] because there is no mapped edge [2019-12-07 11:55:29,214 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [843] [843] L800-->L800-2: Formula: (let ((.cse1 (= (mod ~z$w_buff0_used~0_In-84859877 256) 0)) (.cse0 (= (mod ~z$r_buff0_thd3~0_In-84859877 256) 0))) (or (and (= |P2Thread1of1ForFork0_#t~ite40_Out-84859877| ~z$w_buff0_used~0_In-84859877) (or .cse0 .cse1)) (and (not .cse1) (= |P2Thread1of1ForFork0_#t~ite40_Out-84859877| 0) (not .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-84859877, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-84859877} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-84859877, P2Thread1of1ForFork0_#t~ite40=|P2Thread1of1ForFork0_#t~ite40_Out-84859877|, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-84859877} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite40] because there is no mapped edge [2019-12-07 11:55:29,214 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [836] [836] L801-->L801-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd3~0_In376260199 256) 0)) (.cse0 (= (mod ~z$w_buff0_used~0_In376260199 256) 0)) (.cse3 (= (mod ~z$w_buff1_used~0_In376260199 256) 0)) (.cse2 (= 0 (mod ~z$r_buff1_thd3~0_In376260199 256)))) (or (and (= 0 |P2Thread1of1ForFork0_#t~ite41_Out376260199|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (= |P2Thread1of1ForFork0_#t~ite41_Out376260199| ~z$w_buff1_used~0_In376260199) (or .cse3 .cse2)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In376260199, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In376260199, ~z$w_buff1_used~0=~z$w_buff1_used~0_In376260199, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In376260199} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In376260199, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In376260199, ~z$w_buff1_used~0=~z$w_buff1_used~0_In376260199, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In376260199, P2Thread1of1ForFork0_#t~ite41=|P2Thread1of1ForFork0_#t~ite41_Out376260199|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite41] because there is no mapped edge [2019-12-07 11:55:29,215 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [824] [824] L802-->L802-2: Formula: (let ((.cse1 (= 0 (mod ~z$r_buff0_thd3~0_In-1987365611 256))) (.cse0 (= (mod ~z$w_buff0_used~0_In-1987365611 256) 0))) (or (and (= |P2Thread1of1ForFork0_#t~ite42_Out-1987365611| ~z$r_buff0_thd3~0_In-1987365611) (or .cse0 .cse1)) (and (not .cse1) (= |P2Thread1of1ForFork0_#t~ite42_Out-1987365611| 0) (not .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-1987365611, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1987365611} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-1987365611, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1987365611, P2Thread1of1ForFork0_#t~ite42=|P2Thread1of1ForFork0_#t~ite42_Out-1987365611|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite42] because there is no mapped edge [2019-12-07 11:55:29,215 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [846] [846] L803-->L803-2: Formula: (let ((.cse2 (= 0 (mod ~z$w_buff1_used~0_In-1582685182 256))) (.cse3 (= (mod ~z$r_buff1_thd3~0_In-1582685182 256) 0)) (.cse0 (= 0 (mod ~z$r_buff0_thd3~0_In-1582685182 256))) (.cse1 (= (mod ~z$w_buff0_used~0_In-1582685182 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P2Thread1of1ForFork0_#t~ite43_Out-1582685182|)) (and (or .cse2 .cse3) (or .cse0 .cse1) (= ~z$r_buff1_thd3~0_In-1582685182 |P2Thread1of1ForFork0_#t~ite43_Out-1582685182|)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-1582685182, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-1582685182, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1582685182, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1582685182} OutVars{P2Thread1of1ForFork0_#t~ite43=|P2Thread1of1ForFork0_#t~ite43_Out-1582685182|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1582685182, ~z$r_buff1_thd3~0=~z$r_buff1_thd3~0_In-1582685182, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1582685182, ~z$r_buff0_thd3~0=~z$r_buff0_thd3~0_In-1582685182} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite43] because there is no mapped edge [2019-12-07 11:55:29,215 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [859] [859] L803-2-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork0_#res.base_3| 0) (= (+ v_~__unbuffered_cnt~0_49 1) v_~__unbuffered_cnt~0_48) (= v_~z$r_buff1_thd3~0_143 |v_P2Thread1of1ForFork0_#t~ite43_28|) (= |v_P2Thread1of1ForFork0_#res.offset_3| 0)) InVars {P2Thread1of1ForFork0_#t~ite43=|v_P2Thread1of1ForFork0_#t~ite43_28|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_49} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_3|, P2Thread1of1ForFork0_#t~ite43=|v_P2Thread1of1ForFork0_#t~ite43_27|, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_143, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_48, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, P2Thread1of1ForFork0_#t~ite43, ~z$r_buff1_thd3~0, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-07 11:55:29,215 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [847] [847] L748-->L748-2: Formula: (let ((.cse0 (= 0 (mod ~z$w_buff1_used~0_In-572789 256))) (.cse1 (= (mod ~z$r_buff1_thd1~0_In-572789 256) 0)) (.cse3 (= 0 (mod ~z$w_buff0_used~0_In-572789 256))) (.cse2 (= 0 (mod ~z$r_buff0_thd1~0_In-572789 256)))) (or (and (= 0 |P0Thread1of1ForFork1_#t~ite6_Out-572789|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse0 .cse1) (= ~z$w_buff1_used~0_In-572789 |P0Thread1of1ForFork1_#t~ite6_Out-572789|) (or .cse3 .cse2)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-572789, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In-572789, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-572789, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-572789} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-572789, P0Thread1of1ForFork1_#t~ite6=|P0Thread1of1ForFork1_#t~ite6_Out-572789|, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In-572789, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-572789, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-572789} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite6] because there is no mapped edge [2019-12-07 11:55:29,216 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [845] [845] L749-->L750: Formula: (let ((.cse0 (= (mod ~z$r_buff0_thd1~0_In-211499326 256) 0)) (.cse2 (= ~z$r_buff0_thd1~0_In-211499326 ~z$r_buff0_thd1~0_Out-211499326)) (.cse1 (= 0 (mod ~z$w_buff0_used~0_In-211499326 256)))) (or (and (not .cse0) (not .cse1) (= 0 ~z$r_buff0_thd1~0_Out-211499326)) (and .cse2 .cse0) (and .cse2 .cse1))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In-211499326, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In-211499326} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In-211499326, P0Thread1of1ForFork1_#t~ite7=|P0Thread1of1ForFork1_#t~ite7_Out-211499326|, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_Out-211499326} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite7, ~z$r_buff0_thd1~0] because there is no mapped edge [2019-12-07 11:55:29,216 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [840] [840] L750-->L750-2: Formula: (let ((.cse2 (= 0 (mod ~z$w_buff1_used~0_In550460892 256))) (.cse3 (= (mod ~z$r_buff1_thd1~0_In550460892 256) 0)) (.cse1 (= 0 (mod ~z$r_buff0_thd1~0_In550460892 256))) (.cse0 (= 0 (mod ~z$w_buff0_used~0_In550460892 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P0Thread1of1ForFork1_#t~ite8_Out550460892|)) (and (or .cse2 .cse3) (= |P0Thread1of1ForFork1_#t~ite8_Out550460892| ~z$r_buff1_thd1~0_In550460892) (or .cse1 .cse0)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In550460892, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In550460892, ~z$w_buff1_used~0=~z$w_buff1_used~0_In550460892, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In550460892} OutVars{P0Thread1of1ForFork1_#t~ite8=|P0Thread1of1ForFork1_#t~ite8_Out550460892|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In550460892, ~z$r_buff1_thd1~0=~z$r_buff1_thd1~0_In550460892, ~z$w_buff1_used~0=~z$w_buff1_used~0_In550460892, ~z$r_buff0_thd1~0=~z$r_buff0_thd1~0_In550460892} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite8] because there is no mapped edge [2019-12-07 11:55:29,216 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [866] [866] L750-2-->P0EXIT: Formula: (and (= v_~z$r_buff1_thd1~0_100 |v_P0Thread1of1ForFork1_#t~ite8_42|) (= 0 |v_P0Thread1of1ForFork1_#res.base_3|) (= 0 |v_P0Thread1of1ForFork1_#res.offset_3|) (= (+ v_~__unbuffered_cnt~0_67 1) v_~__unbuffered_cnt~0_66)) InVars {P0Thread1of1ForFork1_#t~ite8=|v_P0Thread1of1ForFork1_#t~ite8_42|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67} OutVars{P0Thread1of1ForFork1_#t~ite8=|v_P0Thread1of1ForFork1_#t~ite8_41|, P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_3|, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_100, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_3|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_66} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#t~ite8, P0Thread1of1ForFork1_#res.offset, ~z$r_buff1_thd1~0, P0Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0] because there is no mapped edge [2019-12-07 11:55:29,216 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [837] [837] L770-->L770-2: Formula: (let ((.cse3 (= (mod ~z$r_buff0_thd2~0_In1490412612 256) 0)) (.cse2 (= (mod ~z$w_buff0_used~0_In1490412612 256) 0)) (.cse0 (= 0 (mod ~z$w_buff1_used~0_In1490412612 256))) (.cse1 (= 0 (mod ~z$r_buff1_thd2~0_In1490412612 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P1Thread1of1ForFork2_#t~ite14_Out1490412612|)) (and (or .cse3 .cse2) (= ~z$r_buff1_thd2~0_In1490412612 |P1Thread1of1ForFork2_#t~ite14_Out1490412612|) (or .cse0 .cse1)))) InVars {~z$w_buff0_used~0=~z$w_buff0_used~0_In1490412612, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1490412612, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1490412612, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1490412612} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_In1490412612, ~z$r_buff1_thd2~0=~z$r_buff1_thd2~0_In1490412612, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1490412612, P1Thread1of1ForFork2_#t~ite14=|P1Thread1of1ForFork2_#t~ite14_Out1490412612|, ~z$r_buff0_thd2~0=~z$r_buff0_thd2~0_In1490412612} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite14] because there is no mapped edge [2019-12-07 11:55:29,216 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [872] [872] L770-2-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork2_#res.offset_3|) (= 0 |v_P1Thread1of1ForFork2_#res.base_3|) (= v_~z$r_buff1_thd2~0_120 |v_P1Thread1of1ForFork2_#t~ite14_32|) (= v_~__unbuffered_cnt~0_76 (+ v_~__unbuffered_cnt~0_77 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77, P1Thread1of1ForFork2_#t~ite14=|v_P1Thread1of1ForFork2_#t~ite14_32|} OutVars{P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_3|, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_120, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76, P1Thread1of1ForFork2_#t~ite14=|v_P1Thread1of1ForFork2_#t~ite14_31|, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#res.offset, ~z$r_buff1_thd2~0, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#t~ite14, P1Thread1of1ForFork2_#res.base] because there is no mapped edge [2019-12-07 11:55:29,216 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [799] [799] L826-1-->L832: Formula: (and (= v_~main$tmp_guard0~0_7 (ite (= (ite (= 3 v_~__unbuffered_cnt~0_14) 1 0) 0) 0 1)) (not (= (mod v_~main$tmp_guard0~0_7 256) 0))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_14} OutVars{ULTIMATE.start_main_#t~nondet46=|v_ULTIMATE.start_main_#t~nondet46_6|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_14, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet46, ~main$tmp_guard0~0] because there is no mapped edge [2019-12-07 11:55:29,217 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [825] [825] L832-2-->L832-5: Formula: (let ((.cse1 (= (mod ~z$r_buff1_thd0~0_In1995149116 256) 0)) (.cse0 (= 0 (mod ~z$w_buff1_used~0_In1995149116 256))) (.cse2 (= |ULTIMATE.start_main_#t~ite47_Out1995149116| |ULTIMATE.start_main_#t~ite48_Out1995149116|))) (or (and (or .cse0 .cse1) (= ~z~0_In1995149116 |ULTIMATE.start_main_#t~ite47_Out1995149116|) .cse2) (and (not .cse1) (= ~z$w_buff1~0_In1995149116 |ULTIMATE.start_main_#t~ite47_Out1995149116|) (not .cse0) .cse2))) InVars {~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1995149116, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1995149116, ~z$w_buff1~0=~z$w_buff1~0_In1995149116, ~z~0=~z~0_In1995149116} OutVars{~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1995149116, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out1995149116|, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1995149116, ~z$w_buff1~0=~z$w_buff1~0_In1995149116, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out1995149116|, ~z~0=~z~0_In1995149116} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite47, ULTIMATE.start_main_#t~ite48] because there is no mapped edge [2019-12-07 11:55:29,217 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [839] [839] L833-->L833-2: Formula: (let ((.cse1 (= (mod ~z$w_buff0_used~0_In-1098839980 256) 0)) (.cse0 (= 0 (mod ~z$r_buff0_thd0~0_In-1098839980 256)))) (or (and (not .cse0) (not .cse1) (= 0 |ULTIMATE.start_main_#t~ite49_Out-1098839980|)) (and (or .cse1 .cse0) (= ~z$w_buff0_used~0_In-1098839980 |ULTIMATE.start_main_#t~ite49_Out-1098839980|)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1098839980, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1098839980} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1098839980, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1098839980, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out-1098839980|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite49] because there is no mapped edge [2019-12-07 11:55:29,218 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [830] [830] L834-->L834-2: Formula: (let ((.cse3 (= (mod ~z$r_buff0_thd0~0_In1247619388 256) 0)) (.cse2 (= 0 (mod ~z$w_buff0_used~0_In1247619388 256))) (.cse1 (= (mod ~z$w_buff1_used~0_In1247619388 256) 0)) (.cse0 (= (mod ~z$r_buff1_thd0~0_In1247619388 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |ULTIMATE.start_main_#t~ite50_Out1247619388| 0)) (and (or .cse3 .cse2) (or .cse1 .cse0) (= ~z$w_buff1_used~0_In1247619388 |ULTIMATE.start_main_#t~ite50_Out1247619388|)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1247619388, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1247619388, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1247619388, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1247619388} OutVars{ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out1247619388|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1247619388, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1247619388, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1247619388, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1247619388} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50] because there is no mapped edge [2019-12-07 11:55:29,218 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [821] [821] L835-->L835-2: Formula: (let ((.cse1 (= (mod ~z$r_buff0_thd0~0_In444173124 256) 0)) (.cse0 (= 0 (mod ~z$w_buff0_used~0_In444173124 256)))) (or (and (= 0 |ULTIMATE.start_main_#t~ite51_Out444173124|) (not .cse0) (not .cse1)) (and (= ~z$r_buff0_thd0~0_In444173124 |ULTIMATE.start_main_#t~ite51_Out444173124|) (or .cse1 .cse0)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In444173124, ~z$w_buff0_used~0=~z$w_buff0_used~0_In444173124} OutVars{~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In444173124, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out444173124|, ~z$w_buff0_used~0=~z$w_buff0_used~0_In444173124} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite51] because there is no mapped edge [2019-12-07 11:55:29,219 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [834] [834] L836-->L836-2: Formula: (let ((.cse2 (= 0 (mod ~z$w_buff0_used~0_In818053462 256))) (.cse3 (= (mod ~z$r_buff0_thd0~0_In818053462 256) 0)) (.cse0 (= 0 (mod ~z$r_buff1_thd0~0_In818053462 256))) (.cse1 (= 0 (mod ~z$w_buff1_used~0_In818053462 256)))) (or (and (or .cse0 .cse1) (= ~z$r_buff1_thd0~0_In818053462 |ULTIMATE.start_main_#t~ite52_Out818053462|) (or .cse2 .cse3)) (and (or (and (not .cse2) (not .cse3)) (and (not .cse0) (not .cse1))) (= |ULTIMATE.start_main_#t~ite52_Out818053462| 0)))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In818053462, ~z$w_buff0_used~0=~z$w_buff0_used~0_In818053462, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In818053462, ~z$w_buff1_used~0=~z$w_buff1_used~0_In818053462} OutVars{ULTIMATE.start_main_#t~ite52=|ULTIMATE.start_main_#t~ite52_Out818053462|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In818053462, ~z$w_buff0_used~0=~z$w_buff0_used~0_In818053462, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In818053462, ~z$w_buff1_used~0=~z$w_buff1_used~0_In818053462} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite52] because there is no mapped edge [2019-12-07 11:55:29,219 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [879] [879] L836-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_~main$tmp_guard1~0_20 (ite (= 0 (ite (not (and (= 0 v_~__unbuffered_p1_EAX~0_25) (= 0 v_~__unbuffered_p0_EAX~0_99) (= 0 v_~__unbuffered_p2_EAX~0_26))) 1 0)) 0 1)) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= v_~z$r_buff1_thd0~0_143 |v_ULTIMATE.start_main_#t~ite52_43|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_20 256)) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_99, ULTIMATE.start_main_#t~ite52=|v_ULTIMATE.start_main_#t~ite52_43|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_99, ULTIMATE.start_main_#t~ite52=|v_ULTIMATE.start_main_#t~ite52_42|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_25, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_143, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite52, ULTIMATE.start___VERIFIER_assert_~expression, ~z$r_buff1_thd0~0, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 11:55:29,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f522063-b0ba-4dd6-aa41-45ec8de3395b/bin/utaipan/witness.graphml [2019-12-07 11:55:29,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:55:29,274 INFO L168 Benchmark]: Toolchain (without parser) took 131869.02 ms. Allocated memory was 1.0 GB in the beginning and 6.8 GB in the end (delta: 5.7 GB). Free memory was 934.0 MB in the beginning and 5.3 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-12-07 11:55:29,274 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:29,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:29,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:29,275 INFO L168 Benchmark]: Boogie Preprocessor took 26.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:55:29,275 INFO L168 Benchmark]: RCFGBuilder took 425.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:29,275 INFO L168 Benchmark]: TraceAbstraction took 130925.46 ms. Allocated memory was 1.2 GB in the beginning and 6.8 GB in the end (delta: 5.6 GB). Free memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2019-12-07 11:55:29,275 INFO L168 Benchmark]: Witness Printer took 69.73 ms. Allocated memory is still 6.8 GB. Free memory was 5.3 GB in the beginning and 5.3 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:55:29,277 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 425.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130925.46 ms. Allocated memory was 1.2 GB in the beginning and 6.8 GB in the end (delta: 5.6 GB). Free memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 69.73 ms. Allocated memory is still 6.8 GB. Free memory was 5.3 GB in the beginning and 5.3 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.3s, 176 ProgramPointsBefore, 95 ProgramPointsAfterwards, 213 TransitionsBefore, 107 TransitionsAfterwards, 19004 CoEnabledTransitionPairs, 12 FixpointIterations, 33 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 33 ConcurrentYvCompositions, 29 ChoiceCompositions, 7276 VarBasedMoverChecksPositive, 432 VarBasedMoverChecksNegative, 272 SemBasedMoverChecksPositive, 254 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 0 MoverChecksTotal, 130045 CheckedPairsTotal, 121 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L822] FCALL, FORK 0 pthread_create(&t1579, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L731] 1 z$w_buff1 = z$w_buff0 [L732] 1 z$w_buff0 = 1 [L733] 1 z$w_buff1_used = z$w_buff0_used [L734] 1 z$w_buff0_used = (_Bool)1 [L746] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L824] FCALL, FORK 0 pthread_create(&t1580, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 2 x = 1 [L763] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L826] FCALL, FORK 0 pthread_create(&t1581, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used=0, z$w_buff1=0, z$w_buff1_used=0] [L780] 3 y = 1 [L783] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L784] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L785] 3 z$flush_delayed = weak$$choice2 [L786] 3 z$mem_tmp = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used=0, z$w_buff1=0, z$w_buff1_used=0] [L787] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) VAL [!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used=0, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L788] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used=0, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L788] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L789] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))=0, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2=0, z$w_buff1=0, z$w_buff1_used=0] [L789] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L790] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))=0, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2=0, z$w_buff1=0, z$w_buff1_used=0] [L791] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))=0, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2=0, z$w_buff1=0, z$w_buff1_used=0] [L793] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2=0, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L747] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L799] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2=0, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L800] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L801] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L802] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L748] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L769] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L832] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L832] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L833] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L834] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L835] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 167 locations, 2 error locations. Result: UNSAFE, OverallTime: 130.7s, OverallIterations: 26, TraceHistogramMax: 1, AutomataDifference: 33.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6341 SDtfs, 7066 SDslu, 24294 SDs, 0 SdLazy, 22151 SolverSat, 349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 33 SyntacticMatches, 12 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 994 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237826occurred 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: 72.7s AutomataMinimizationTime, 25 MinimizatonAttempts, 320899 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1115 NumberOfCodeBlocks, 1115 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1023 ConstructedInterpolants, 0 QuantifiedInterpolants, 258993 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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...