./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:24:34,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:24:34,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:24:34,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:24:34,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:24:34,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:24:34,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:24:34,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:24:34,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:24:34,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:24:34,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:24:34,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:24:34,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:24:34,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:24:34,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:24:34,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:24:34,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:24:34,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:24:34,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:24:34,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:24:34,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:24:34,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:24:34,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:24:34,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:24:34,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:24:34,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:24:34,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:24:34,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:24:34,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:24:34,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:24:34,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:24:34,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:24:34,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:24:34,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:24:34,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:24:34,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:24:34,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:24:34,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:24:34,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:24:34,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:24:34,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:24:34,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:24:34,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:24:34,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:24:34,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:24:34,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:24:34,726 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:24:34,726 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:24:34,726 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:24:34,727 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:24:34,727 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:24:34,727 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:24:34,727 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:24:34,728 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:24:34,728 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:24:34,728 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:24:34,729 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:24:34,729 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:24:34,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:24:34,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:24:34,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:24:34,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:24:34,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:24:34,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:24:34,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:24:34,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:24:34,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:24:34,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:24:34,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:24:34,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:24:34,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:24:34,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:24:34,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:24:34,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:24:34,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:24:34,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:24:34,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:24:34,736 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:24:34,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:24:34,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:24:34,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:24:34,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:24:34,738 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2021-11-19 14:24:35,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:24:35,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:24:35,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:24:35,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:24:35,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:24:35,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/pthread/queue_longest.i [2021-11-19 14:24:35,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/data/d95ee28a6/db653b1312bd47bfafa2bdc46e1351ab/FLAGf0d8f277f [2021-11-19 14:24:35,925 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:24:35,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/sv-benchmarks/c/pthread/queue_longest.i [2021-11-19 14:24:35,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/data/d95ee28a6/db653b1312bd47bfafa2bdc46e1351ab/FLAGf0d8f277f [2021-11-19 14:24:36,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/data/d95ee28a6/db653b1312bd47bfafa2bdc46e1351ab [2021-11-19 14:24:36,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:24:36,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:24:36,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:24:36,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:24:36,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:24:36,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:36" (1/1) ... [2021-11-19 14:24:36,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33165b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36, skipping insertion in model container [2021-11-19 14:24:36,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:36" (1/1) ... [2021-11-19 14:24:36,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:24:36,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:24:36,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2021-11-19 14:24:36,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2021-11-19 14:24:36,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2021-11-19 14:24:36,952 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:24:36,972 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:24:37,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/sv-benchmarks/c/pthread/queue_longest.i[43296,43309] [2021-11-19 14:24:37,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/sv-benchmarks/c/pthread/queue_longest.i[43503,43516] [2021-11-19 14:24:37,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/sv-benchmarks/c/pthread/queue_longest.i[43783,43796] [2021-11-19 14:24:37,080 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:24:37,163 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:24:37,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37 WrapperNode [2021-11-19 14:24:37,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:24:37,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:24:37,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:24:37,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:24:37,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,240 INFO L137 Inliner]: procedures = 274, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 240 [2021-11-19 14:24:37,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:24:37,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:24:37,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:24:37,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:24:37,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:24:37,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:24:37,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:24:37,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:24:37,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (1/1) ... [2021-11-19 14:24:37,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:24:37,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:24:37,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:24:37,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:24:37,451 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-19 14:24:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-19 14:24:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-19 14:24:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-19 14:24:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:24:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:24:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:24:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:24:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 14:24:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:24:37,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:24:37,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:24:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:24:37,456 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 14:24:37,661 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:24:37,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:24:38,162 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:24:38,175 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:24:38,176 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 14:24:38,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:38 BoogieIcfgContainer [2021-11-19 14:24:38,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:24:38,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:24:38,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:24:38,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:24:38,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:24:36" (1/3) ... [2021-11-19 14:24:38,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10278820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:38, skipping insertion in model container [2021-11-19 14:24:38,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:37" (2/3) ... [2021-11-19 14:24:38,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10278820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:38, skipping insertion in model container [2021-11-19 14:24:38,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:38" (3/3) ... [2021-11-19 14:24:38,190 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2021-11-19 14:24:38,197 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 14:24:38,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:24:38,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:24:38,198 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 14:24:38,254 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,254 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,254 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,257 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,257 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,257 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,258 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,258 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,258 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,260 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,260 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,260 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,260 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,261 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,261 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,261 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,261 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,264 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,264 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,264 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,264 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,264 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,265 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,265 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,265 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,265 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,266 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,266 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,266 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,266 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,266 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,267 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,267 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,267 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,267 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,267 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,268 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,268 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,268 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,268 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,269 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,269 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,269 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,269 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,270 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,270 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,270 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,270 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,271 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,271 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,271 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,271 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,273 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,273 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,273 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,273 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,274 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,274 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,274 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,274 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,275 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,275 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,275 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,275 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,276 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,276 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,276 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,276 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,276 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,278 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,278 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,278 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,278 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,279 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,279 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,279 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,279 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,280 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,280 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,280 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,280 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,280 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,281 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,281 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,281 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,281 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,283 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,283 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,283 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,283 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,283 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,284 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,284 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,284 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,284 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,286 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,286 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,286 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,286 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,292 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,292 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,292 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,292 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,297 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,297 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,297 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,297 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,304 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,304 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,304 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,304 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,305 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,305 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,305 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,305 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,306 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,306 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,306 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,306 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,307 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,307 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,307 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,307 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,307 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,308 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,308 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,308 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,308 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,309 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,309 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,309 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,309 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,310 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,310 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,310 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,310 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,311 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,311 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,311 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,311 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,312 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,312 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,312 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,312 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,313 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,313 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,313 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,313 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,313 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,314 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,314 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,314 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,314 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,315 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,315 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,315 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,315 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,316 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,316 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,316 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,316 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,316 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,317 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,317 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,317 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,317 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,319 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,319 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,319 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,319 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,319 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,320 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,320 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,320 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,320 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,320 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,321 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,321 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,321 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,321 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,321 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,322 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,322 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,322 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,322 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,322 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,323 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,323 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,323 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,323 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,324 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,324 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,324 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,324 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,324 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,325 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,325 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,325 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,325 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,325 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,326 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,326 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,326 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,326 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,327 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,327 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,327 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,327 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,327 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,328 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,328 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,328 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,328 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,328 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,329 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,329 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,329 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,329 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,330 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,330 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,330 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,330 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,331 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,331 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,332 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,332 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,332 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,332 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,332 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,333 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,333 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,333 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,333 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,334 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,334 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,334 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,334 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,335 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,335 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,335 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,335 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,335 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,336 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,336 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,336 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,336 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,337 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,337 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,337 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,337 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,338 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,338 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,338 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,338 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,338 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,339 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,339 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,339 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,339 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,340 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,340 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,340 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,340 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,340 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,341 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,341 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,341 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,341 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,341 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,342 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,342 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,342 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,342 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,343 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,343 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,343 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,343 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,343 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,345 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,345 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,345 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,347 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,347 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,347 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,347 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,353 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,353 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,353 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,353 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,353 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,360 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,360 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,360 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,360 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,360 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,361 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,361 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,361 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,361 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,361 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,362 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,362 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,362 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,362 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,363 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,363 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,363 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,363 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,363 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,364 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,364 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,364 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,364 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,364 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,365 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,365 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,365 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,365 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,365 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,366 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,366 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,366 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,366 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,367 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,367 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,367 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,367 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,367 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,368 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,368 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,368 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,368 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,368 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,369 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,369 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,369 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,369 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,369 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,370 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,370 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,370 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,370 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,370 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,371 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,371 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,371 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,371 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,372 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,372 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,372 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,372 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,372 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,373 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,373 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,373 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,373 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,373 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,374 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,374 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,374 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,374 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,374 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,375 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,375 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,375 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,375 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,376 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,376 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,376 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,376 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,376 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,377 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,377 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,377 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,377 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,377 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,378 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,378 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,378 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,378 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,378 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,380 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,380 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,380 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,380 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,382 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,382 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,382 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,382 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,382 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,383 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,383 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,383 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,383 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,387 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,387 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,388 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,388 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,388 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,388 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,388 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,389 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,389 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,389 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,389 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,390 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,390 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,390 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,390 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,390 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,391 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,391 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,391 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,391 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,391 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,392 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,396 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,396 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,397 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,397 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,397 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,397 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,397 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,398 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,398 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,398 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,398 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,399 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,399 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,399 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,399 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,399 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,400 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,400 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,400 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,400 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,400 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,401 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,401 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,401 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,401 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,402 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,402 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,402 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,402 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,402 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,403 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,403 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,403 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,403 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,404 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:24:38,407 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-19 14:24:38,464 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:24:38,473 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:24:38,473 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-19 14:24:38,493 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 14:24:38,513 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 271 transitions, 558 flow [2021-11-19 14:24:38,521 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 271 transitions, 558 flow [2021-11-19 14:24:38,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 271 transitions, 558 flow [2021-11-19 14:24:38,757 INFO L129 PetriNetUnfolder]: 15/269 cut-off events. [2021-11-19 14:24:38,758 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-19 14:24:38,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 269 events. 15/269 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 372 event pairs, 0 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 195. Up to 2 conditions per place. [2021-11-19 14:24:38,794 INFO L116 LiptonReduction]: Number of co-enabled transitions 16892 [2021-11-19 14:24:57,684 INFO L131 LiptonReduction]: Checked pairs total: 34257 [2021-11-19 14:24:57,685 INFO L133 LiptonReduction]: Total number of compositions: 247 [2021-11-19 14:24:57,709 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 66 transitions, 148 flow [2021-11-19 14:24:57,822 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1023 states, 1018 states have (on average 2.805500982318271) internal successors, (2856), 1022 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 1023 states, 1018 states have (on average 2.805500982318271) internal successors, (2856), 1022 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-19 14:24:57,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:24:57,835 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-19 14:24:57,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:24:57,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:24:57,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1066, now seen corresponding path program 1 times [2021-11-19 14:24:57,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:24:57,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814458958] [2021-11-19 14:24:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:24:57,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:24:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:24:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:24:58,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:24:58,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814458958] [2021-11-19 14:24:58,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814458958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:24:58,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:24:58,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-19 14:24:58,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777681433] [2021-11-19 14:24:58,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:24:58,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:24:58,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:24:58,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:24:58,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:24:58,086 INFO L87 Difference]: Start difference. First operand has 1023 states, 1018 states have (on average 2.805500982318271) internal successors, (2856), 1022 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:58,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:24:58,276 INFO L93 Difference]: Finished difference Result 1022 states and 2761 transitions. [2021-11-19 14:24:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:24:58,280 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2021-11-19 14:24:58,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:24:58,322 INFO L225 Difference]: With dead ends: 1022 [2021-11-19 14:24:58,323 INFO L226 Difference]: Without dead ends: 1020 [2021-11-19 14:24:58,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:24:58,330 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:24:58,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:24:58,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-19 14:24:58,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2021-11-19 14:24:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 1017 states have (on average 2.7099311701081614) internal successors, (2756), 1019 states have internal predecessors, (2756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 2756 transitions. [2021-11-19 14:24:58,533 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 2756 transitions. Word has length 1 [2021-11-19 14:24:58,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:24:58,534 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 2756 transitions. [2021-11-19 14:24:58,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:58,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 2756 transitions. [2021-11-19 14:24:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 14:24:58,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:24:58,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:24:58,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:24:58,539 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:24:58,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:24:58,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1999395830, now seen corresponding path program 1 times [2021-11-19 14:24:58,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:24:58,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638512852] [2021-11-19 14:24:58,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:24:58,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:24:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:24:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:24:58,824 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:24:58,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638512852] [2021-11-19 14:24:58,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638512852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:24:58,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:24:58,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:24:58,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184870016] [2021-11-19 14:24:58,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:24:58,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:24:58,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:24:58,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:24:58,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:24:58,828 INFO L87 Difference]: Start difference. First operand 1020 states and 2756 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:58,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:24:58,998 INFO L93 Difference]: Finished difference Result 1020 states and 2722 transitions. [2021-11-19 14:24:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:24:58,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-19 14:24:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:24:59,010 INFO L225 Difference]: With dead ends: 1020 [2021-11-19 14:24:59,010 INFO L226 Difference]: Without dead ends: 1020 [2021-11-19 14:24:59,010 INFO L932 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 [2021-11-19 14:24:59,012 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 21 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:24:59,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 15 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:24:59,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-19 14:24:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2021-11-19 14:24:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 1017 states have (on average 2.6764995083579155) internal successors, (2722), 1019 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 2722 transitions. [2021-11-19 14:24:59,063 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 2722 transitions. Word has length 11 [2021-11-19 14:24:59,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:24:59,063 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 2722 transitions. [2021-11-19 14:24:59,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 2722 transitions. [2021-11-19 14:24:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 14:24:59,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:24:59,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:24:59,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:24:59,067 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:24:59,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:24:59,068 INFO L85 PathProgramCache]: Analyzing trace with hash -544090567, now seen corresponding path program 1 times [2021-11-19 14:24:59,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:24:59,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954286021] [2021-11-19 14:24:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:24:59,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:24:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:24:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:24:59,244 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:24:59,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954286021] [2021-11-19 14:24:59,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954286021] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:24:59,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:24:59,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:24:59,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442673293] [2021-11-19 14:24:59,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:24:59,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:24:59,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:24:59,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:24:59,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:24:59,247 INFO L87 Difference]: Start difference. First operand 1020 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:24:59,404 INFO L93 Difference]: Finished difference Result 880 states and 2294 transitions. [2021-11-19 14:24:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:24:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-19 14:24:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:24:59,415 INFO L225 Difference]: With dead ends: 880 [2021-11-19 14:24:59,415 INFO L226 Difference]: Without dead ends: 854 [2021-11-19 14:24:59,415 INFO L932 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 [2021-11-19 14:24:59,420 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 39 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:24:59,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 11 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:24:59,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2021-11-19 14:24:59,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2021-11-19 14:24:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 851 states have (on average 2.6227967097532314) internal successors, (2232), 853 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2232 transitions. [2021-11-19 14:24:59,475 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2232 transitions. Word has length 13 [2021-11-19 14:24:59,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:24:59,476 INFO L470 AbstractCegarLoop]: Abstraction has 854 states and 2232 transitions. [2021-11-19 14:24:59,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2232 transitions. [2021-11-19 14:24:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 14:24:59,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:24:59,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:24:59,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 14:24:59,487 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:24:59,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:24:59,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1567354837, now seen corresponding path program 1 times [2021-11-19 14:24:59,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:24:59,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903856091] [2021-11-19 14:24:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:24:59,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:24:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:24:59,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:24:59,758 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:24:59,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903856091] [2021-11-19 14:24:59,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903856091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:24:59,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:24:59,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:24:59,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523933786] [2021-11-19 14:24:59,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:24:59,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:24:59,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:24:59,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:24:59,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:24:59,764 INFO L87 Difference]: Start difference. First operand 854 states and 2232 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:24:59,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:24:59,973 INFO L93 Difference]: Finished difference Result 853 states and 2229 transitions. [2021-11-19 14:24:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:24:59,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-19 14:24:59,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:24:59,983 INFO L225 Difference]: With dead ends: 853 [2021-11-19 14:24:59,983 INFO L226 Difference]: Without dead ends: 853 [2021-11-19 14:24:59,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:24:59,987 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:24:59,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 16 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:24:59,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2021-11-19 14:25:00,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2021-11-19 14:25:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 850 states have (on average 2.6223529411764708) internal successors, (2229), 852 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 2229 transitions. [2021-11-19 14:25:00,035 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 2229 transitions. Word has length 13 [2021-11-19 14:25:00,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:00,036 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 2229 transitions. [2021-11-19 14:25:00,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2229 transitions. [2021-11-19 14:25:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 14:25:00,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:00,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:00,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 14:25:00,039 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:00,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:00,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1983299724, now seen corresponding path program 1 times [2021-11-19 14:25:00,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:00,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897724813] [2021-11-19 14:25:00,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:00,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:00,495 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:00,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897724813] [2021-11-19 14:25:00,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897724813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:00,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:00,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 14:25:00,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399498900] [2021-11-19 14:25:00,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:00,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:25:00,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:00,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:25:00,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:25:00,498 INFO L87 Difference]: Start difference. First operand 853 states and 2229 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:00,849 INFO L93 Difference]: Finished difference Result 842 states and 2191 transitions. [2021-11-19 14:25:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:25:00,850 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-19 14:25:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:00,859 INFO L225 Difference]: With dead ends: 842 [2021-11-19 14:25:00,859 INFO L226 Difference]: Without dead ends: 842 [2021-11-19 14:25:00,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:25:00,861 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 35 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:00,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 26 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:25:00,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-11-19 14:25:00,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2021-11-19 14:25:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 839 states have (on average 2.6114421930870084) internal successors, (2191), 841 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 2191 transitions. [2021-11-19 14:25:00,902 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 2191 transitions. Word has length 14 [2021-11-19 14:25:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:00,902 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 2191 transitions. [2021-11-19 14:25:00,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2191 transitions. [2021-11-19 14:25:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 14:25:00,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:00,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:00,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 14:25:00,904 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:00,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:00,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1315574975, now seen corresponding path program 1 times [2021-11-19 14:25:00,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:00,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116464318] [2021-11-19 14:25:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:00,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:01,345 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:01,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116464318] [2021-11-19 14:25:01,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116464318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:01,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:01,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:25:01,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628500574] [2021-11-19 14:25:01,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:01,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:25:01,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:25:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:25:01,347 INFO L87 Difference]: Start difference. First operand 842 states and 2191 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:01,917 INFO L93 Difference]: Finished difference Result 840 states and 2187 transitions. [2021-11-19 14:25:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:25:01,918 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-19 14:25:01,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:01,927 INFO L225 Difference]: With dead ends: 840 [2021-11-19 14:25:01,927 INFO L226 Difference]: Without dead ends: 840 [2021-11-19 14:25:01,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-19 14:25:01,929 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 16 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:01,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 30 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:25:01,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2021-11-19 14:25:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2021-11-19 14:25:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 837 states have (on average 2.6129032258064515) internal successors, (2187), 839 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 2187 transitions. [2021-11-19 14:25:01,976 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 2187 transitions. Word has length 14 [2021-11-19 14:25:01,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:01,977 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 2187 transitions. [2021-11-19 14:25:01,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2187 transitions. [2021-11-19 14:25:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:25:01,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:01,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:01,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 14:25:01,980 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:01,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1306185366, now seen corresponding path program 1 times [2021-11-19 14:25:01,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:01,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457452086] [2021-11-19 14:25:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:01,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:02,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:02,394 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:02,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457452086] [2021-11-19 14:25:02,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457452086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:02,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:02,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:25:02,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573555171] [2021-11-19 14:25:02,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:02,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:25:02,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:02,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:25:02,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:25:02,397 INFO L87 Difference]: Start difference. First operand 840 states and 2187 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:03,135 INFO L93 Difference]: Finished difference Result 927 states and 2407 transitions. [2021-11-19 14:25:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:25:03,135 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-19 14:25:03,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:03,145 INFO L225 Difference]: With dead ends: 927 [2021-11-19 14:25:03,145 INFO L226 Difference]: Without dead ends: 905 [2021-11-19 14:25:03,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:25:03,147 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 83 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:03,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 30 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:25:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2021-11-19 14:25:03,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 851. [2021-11-19 14:25:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 848 states have (on average 2.609669811320755) internal successors, (2213), 850 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 2213 transitions. [2021-11-19 14:25:03,187 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 2213 transitions. Word has length 15 [2021-11-19 14:25:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:03,188 INFO L470 AbstractCegarLoop]: Abstraction has 851 states and 2213 transitions. [2021-11-19 14:25:03,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2213 transitions. [2021-11-19 14:25:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:25:03,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:03,189 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:03,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 14:25:03,190 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:03,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:03,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2138687480, now seen corresponding path program 2 times [2021-11-19 14:25:03,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:03,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119942588] [2021-11-19 14:25:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:03,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:03,646 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:03,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119942588] [2021-11-19 14:25:03,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119942588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:03,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:03,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:25:03,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279725045] [2021-11-19 14:25:03,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:03,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:25:03,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:03,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:25:03,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:25:03,650 INFO L87 Difference]: Start difference. First operand 851 states and 2213 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:04,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:04,276 INFO L93 Difference]: Finished difference Result 957 states and 2487 transitions. [2021-11-19 14:25:04,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:25:04,276 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-19 14:25:04,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:04,286 INFO L225 Difference]: With dead ends: 957 [2021-11-19 14:25:04,286 INFO L226 Difference]: Without dead ends: 951 [2021-11-19 14:25:04,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:25:04,289 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 101 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:04,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 34 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:25:04,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-11-19 14:25:04,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 840. [2021-11-19 14:25:04,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 837 states have (on average 2.6117084826762245) internal successors, (2186), 839 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 2186 transitions. [2021-11-19 14:25:04,327 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 2186 transitions. Word has length 15 [2021-11-19 14:25:04,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:04,328 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 2186 transitions. [2021-11-19 14:25:04,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2186 transitions. [2021-11-19 14:25:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:25:04,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:04,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:04,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 14:25:04,330 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:04,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:04,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2130643910, now seen corresponding path program 3 times [2021-11-19 14:25:04,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:04,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331256527] [2021-11-19 14:25:04,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:04,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:04,792 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:04,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331256527] [2021-11-19 14:25:04,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331256527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:04,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:04,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:25:04,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783735054] [2021-11-19 14:25:04,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:04,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:25:04,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:04,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:25:04,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:25:04,795 INFO L87 Difference]: Start difference. First operand 840 states and 2186 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:05,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:05,480 INFO L93 Difference]: Finished difference Result 881 states and 2292 transitions. [2021-11-19 14:25:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:25:05,481 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-19 14:25:05,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:05,490 INFO L225 Difference]: With dead ends: 881 [2021-11-19 14:25:05,490 INFO L226 Difference]: Without dead ends: 877 [2021-11-19 14:25:05,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:25:05,493 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 73 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:05,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 32 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:25:05,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2021-11-19 14:25:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 829. [2021-11-19 14:25:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 826 states have (on average 2.6138014527845037) internal successors, (2159), 828 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 2159 transitions. [2021-11-19 14:25:05,531 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 2159 transitions. Word has length 15 [2021-11-19 14:25:05,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:05,532 INFO L470 AbstractCegarLoop]: Abstraction has 829 states and 2159 transitions. [2021-11-19 14:25:05,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2159 transitions. [2021-11-19 14:25:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:25:05,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:05,533 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:05,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 14:25:05,534 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:05,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:05,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2128106870, now seen corresponding path program 4 times [2021-11-19 14:25:05,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:05,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397412914] [2021-11-19 14:25:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:05,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:05,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:05,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397412914] [2021-11-19 14:25:05,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397412914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:05,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:05,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:25:05,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660891818] [2021-11-19 14:25:05,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:05,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:25:05,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:05,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:25:05,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:25:05,916 INFO L87 Difference]: Start difference. First operand 829 states and 2159 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:06,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:06,634 INFO L93 Difference]: Finished difference Result 837 states and 2186 transitions. [2021-11-19 14:25:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:25:06,635 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-19 14:25:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:06,643 INFO L225 Difference]: With dead ends: 837 [2021-11-19 14:25:06,644 INFO L226 Difference]: Without dead ends: 835 [2021-11-19 14:25:06,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:25:06,645 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 67 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:06,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 32 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:25:06,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2021-11-19 14:25:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 796. [2021-11-19 14:25:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 795 states have (on average 2.6163522012578615) internal successors, (2080), 795 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 2080 transitions. [2021-11-19 14:25:06,713 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 2080 transitions. Word has length 15 [2021-11-19 14:25:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:06,714 INFO L470 AbstractCegarLoop]: Abstraction has 796 states and 2080 transitions. [2021-11-19 14:25:06,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2080 transitions. [2021-11-19 14:25:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-19 14:25:06,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:06,717 INFO L514 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] [2021-11-19 14:25:06,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 14:25:06,718 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:06,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1799262680, now seen corresponding path program 1 times [2021-11-19 14:25:06,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:06,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343014771] [2021-11-19 14:25:06,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:06,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:06,761 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:06,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343014771] [2021-11-19 14:25:06,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343014771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:06,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:06,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:25:06,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367480713] [2021-11-19 14:25:06,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:06,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:25:06,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:06,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:25:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:25:06,764 INFO L87 Difference]: Start difference. First operand 796 states and 2080 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:06,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:06,866 INFO L93 Difference]: Finished difference Result 360 states and 775 transitions. [2021-11-19 14:25:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:25:06,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-19 14:25:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:06,871 INFO L225 Difference]: With dead ends: 360 [2021-11-19 14:25:06,871 INFO L226 Difference]: Without dead ends: 354 [2021-11-19 14:25:06,872 INFO L932 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 [2021-11-19 14:25:06,873 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 43 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:06,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 5 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:25:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-11-19 14:25:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 288. [2021-11-19 14:25:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 2.181184668989547) internal successors, (626), 287 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 626 transitions. [2021-11-19 14:25:06,886 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 626 transitions. Word has length 35 [2021-11-19 14:25:06,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:06,886 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 626 transitions. [2021-11-19 14:25:06,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:06,887 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 626 transitions. [2021-11-19 14:25:06,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-19 14:25:06,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:06,889 INFO L514 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] [2021-11-19 14:25:06,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 14:25:06,889 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:06,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:06,890 INFO L85 PathProgramCache]: Analyzing trace with hash -204471270, now seen corresponding path program 1 times [2021-11-19 14:25:06,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:06,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055926677] [2021-11-19 14:25:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:06,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:07,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:07,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055926677] [2021-11-19 14:25:07,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055926677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:07,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:07,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-19 14:25:07,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073213899] [2021-11-19 14:25:07,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:07,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 14:25:07,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:07,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 14:25:07,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2021-11-19 14:25:07,605 INFO L87 Difference]: Start difference. First operand 288 states and 626 transitions. Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:08,898 INFO L93 Difference]: Finished difference Result 617 states and 1349 transitions. [2021-11-19 14:25:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 14:25:08,899 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-19 14:25:08,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:08,904 INFO L225 Difference]: With dead ends: 617 [2021-11-19 14:25:08,904 INFO L226 Difference]: Without dead ends: 617 [2021-11-19 14:25:08,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2021-11-19 14:25:08,906 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 199 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:08,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 54 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 14:25:08,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2021-11-19 14:25:08,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 488. [2021-11-19 14:25:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 487 states have (on average 2.2279260780287475) internal successors, (1085), 487 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 1085 transitions. [2021-11-19 14:25:08,929 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 1085 transitions. Word has length 36 [2021-11-19 14:25:08,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:08,931 INFO L470 AbstractCegarLoop]: Abstraction has 488 states and 1085 transitions. [2021-11-19 14:25:08,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1085 transitions. [2021-11-19 14:25:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-19 14:25:08,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:08,936 INFO L514 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] [2021-11-19 14:25:08,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 14:25:08,936 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:08,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:08,937 INFO L85 PathProgramCache]: Analyzing trace with hash 827670712, now seen corresponding path program 2 times [2021-11-19 14:25:08,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:08,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487301022] [2021-11-19 14:25:08,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:08,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:09,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:09,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487301022] [2021-11-19 14:25:09,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487301022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:09,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:09,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 14:25:09,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606860673] [2021-11-19 14:25:09,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:09,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 14:25:09,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:09,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 14:25:09,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:25:09,404 INFO L87 Difference]: Start difference. First operand 488 states and 1085 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:10,061 INFO L93 Difference]: Finished difference Result 510 states and 1107 transitions. [2021-11-19 14:25:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 14:25:10,062 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-19 14:25:10,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:10,066 INFO L225 Difference]: With dead ends: 510 [2021-11-19 14:25:10,066 INFO L226 Difference]: Without dead ends: 510 [2021-11-19 14:25:10,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-11-19 14:25:10,068 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 86 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:10,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 37 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:25:10,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2021-11-19 14:25:10,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 489. [2021-11-19 14:25:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 488 states have (on average 2.182377049180328) internal successors, (1065), 488 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 1065 transitions. [2021-11-19 14:25:10,089 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 1065 transitions. Word has length 36 [2021-11-19 14:25:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:10,090 INFO L470 AbstractCegarLoop]: Abstraction has 489 states and 1065 transitions. [2021-11-19 14:25:10,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1065 transitions. [2021-11-19 14:25:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-19 14:25:10,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:10,094 INFO L514 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] [2021-11-19 14:25:10,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 14:25:10,094 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:25:10,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:10,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1004680786, now seen corresponding path program 3 times [2021-11-19 14:25:10,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:25:10,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235028317] [2021-11-19 14:25:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:10,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:25:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:32,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:32,647 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:25:32,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235028317] [2021-11-19 14:25:32,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235028317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:32,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:32,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:25:32,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910514987] [2021-11-19 14:25:32,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:32,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 14:25:32,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:25:32,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 14:25:32,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:25:32,649 INFO L87 Difference]: Start difference. First operand 489 states and 1065 transitions. Second operand has 20 states, 20 states have (on average 1.8) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:25:54,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:25:58,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:02,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:03,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:07,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:14,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:24,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:27,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:26:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:28,950 INFO L93 Difference]: Finished difference Result 678 states and 1476 transitions. [2021-11-19 14:26:28,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 14:26:28,951 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.8) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-19 14:26:28,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:28,956 INFO L225 Difference]: With dead ends: 678 [2021-11-19 14:26:28,956 INFO L226 Difference]: Without dead ends: 678 [2021-11-19 14:26:28,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2021-11-19 14:26:28,958 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 142 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 89 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:28,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 45 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 706 Invalid, 1 Unknown, 0 Unchecked, 41.6s Time] [2021-11-19 14:26:28,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-11-19 14:26:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 514. [2021-11-19 14:26:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 513 states have (on average 2.1832358674463936) internal successors, (1120), 513 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 1120 transitions. [2021-11-19 14:26:28,979 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 1120 transitions. Word has length 36 [2021-11-19 14:26:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:28,979 INFO L470 AbstractCegarLoop]: Abstraction has 514 states and 1120 transitions. [2021-11-19 14:26:28,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.8) internal successors, (36), 19 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1120 transitions. [2021-11-19 14:26:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-19 14:26:28,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:28,982 INFO L514 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] [2021-11-19 14:26:28,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 14:26:28,982 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:28,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:28,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1081356956, now seen corresponding path program 4 times [2021-11-19 14:26:28,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:28,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231008371] [2021-11-19 14:26:28,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:28,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:30,090 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:30,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231008371] [2021-11-19 14:26:30,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231008371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:30,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:30,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-19 14:26:30,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888145249] [2021-11-19 14:26:30,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:30,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-19 14:26:30,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:30,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-19 14:26:30,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:26:30,092 INFO L87 Difference]: Start difference. First operand 514 states and 1120 transitions. Second operand has 18 states, 18 states have (on average 2.0) internal successors, (36), 17 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:31,592 INFO L93 Difference]: Finished difference Result 685 states and 1492 transitions. [2021-11-19 14:26:31,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 14:26:31,593 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.0) internal successors, (36), 17 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-19 14:26:31,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:31,598 INFO L225 Difference]: With dead ends: 685 [2021-11-19 14:26:31,598 INFO L226 Difference]: Without dead ends: 685 [2021-11-19 14:26:31,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2021-11-19 14:26:31,599 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 246 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:31,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 51 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 14:26:31,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2021-11-19 14:26:31,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 459. [2021-11-19 14:26:31,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 2.1877729257641922) internal successors, (1002), 458 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 1002 transitions. [2021-11-19 14:26:31,620 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 1002 transitions. Word has length 36 [2021-11-19 14:26:31,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:31,620 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 1002 transitions. [2021-11-19 14:26:31,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.0) internal successors, (36), 17 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1002 transitions. [2021-11-19 14:26:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-19 14:26:31,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:31,622 INFO L514 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] [2021-11-19 14:26:31,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 14:26:31,623 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:31,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1083700389, now seen corresponding path program 1 times [2021-11-19 14:26:31,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:31,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22734826] [2021-11-19 14:26:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:31,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:32,413 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:32,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22734826] [2021-11-19 14:26:32,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22734826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:32,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:32,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 14:26:32,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082478430] [2021-11-19 14:26:32,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:32,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 14:26:32,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:32,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 14:26:32,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:26:32,415 INFO L87 Difference]: Start difference. First operand 459 states and 1002 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:33,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:33,597 INFO L93 Difference]: Finished difference Result 505 states and 1094 transitions. [2021-11-19 14:26:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 14:26:33,597 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-19 14:26:33,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:33,602 INFO L225 Difference]: With dead ends: 505 [2021-11-19 14:26:33,602 INFO L226 Difference]: Without dead ends: 505 [2021-11-19 14:26:33,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:26:33,603 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 124 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:33,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 31 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 14:26:33,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-11-19 14:26:33,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 449. [2021-11-19 14:26:33,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 2.1919642857142856) internal successors, (982), 448 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 982 transitions. [2021-11-19 14:26:33,621 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 982 transitions. Word has length 37 [2021-11-19 14:26:33,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:33,622 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 982 transitions. [2021-11-19 14:26:33,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 982 transitions. [2021-11-19 14:26:33,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-19 14:26:33,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:33,624 INFO L514 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] [2021-11-19 14:26:33,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 14:26:33,625 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:33,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash -841039827, now seen corresponding path program 2 times [2021-11-19 14:26:33,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:33,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043204009] [2021-11-19 14:26:33,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:33,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:34,381 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:34,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043204009] [2021-11-19 14:26:34,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043204009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:34,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:34,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-19 14:26:34,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169258007] [2021-11-19 14:26:34,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:34,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 14:26:34,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:34,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 14:26:34,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:26:34,383 INFO L87 Difference]: Start difference. First operand 449 states and 982 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:35,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:35,365 INFO L93 Difference]: Finished difference Result 460 states and 999 transitions. [2021-11-19 14:26:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 14:26:35,366 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-19 14:26:35,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:35,369 INFO L225 Difference]: With dead ends: 460 [2021-11-19 14:26:35,370 INFO L226 Difference]: Without dead ends: 460 [2021-11-19 14:26:35,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:26:35,371 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 129 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:35,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 26 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:26:35,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-11-19 14:26:35,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 434. [2021-11-19 14:26:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 433 states have (on average 2.187066974595843) internal successors, (947), 433 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 947 transitions. [2021-11-19 14:26:35,386 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 947 transitions. Word has length 37 [2021-11-19 14:26:35,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:35,386 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 947 transitions. [2021-11-19 14:26:35,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 947 transitions. [2021-11-19 14:26:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:26:35,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:35,388 INFO L514 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] [2021-11-19 14:26:35,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-19 14:26:35,389 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:35,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:35,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1492594638, now seen corresponding path program 1 times [2021-11-19 14:26:35,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:35,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672131223] [2021-11-19 14:26:35,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:35,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:37,454 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:37,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672131223] [2021-11-19 14:26:37,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672131223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:37,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:37,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 14:26:37,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269001126] [2021-11-19 14:26:37,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:37,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:26:37,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:37,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:26:37,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:26:37,456 INFO L87 Difference]: Start difference. First operand 434 states and 947 transitions. Second operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:40,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:40,633 INFO L93 Difference]: Finished difference Result 624 states and 1334 transitions. [2021-11-19 14:26:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 14:26:40,634 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:26:40,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:40,637 INFO L225 Difference]: With dead ends: 624 [2021-11-19 14:26:40,638 INFO L226 Difference]: Without dead ends: 592 [2021-11-19 14:26:40,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=207, Invalid=1433, Unknown=0, NotChecked=0, Total=1640 [2021-11-19 14:26:40,639 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 162 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:40,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 126 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1794 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 14:26:40,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-11-19 14:26:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 522. [2021-11-19 14:26:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-19 14:26:40,659 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-19 14:26:40,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:40,659 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-19 14:26:40,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-19 14:26:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:26:40,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:40,662 INFO L514 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] [2021-11-19 14:26:40,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-19 14:26:40,662 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:40,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:40,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1648872180, now seen corresponding path program 2 times [2021-11-19 14:26:40,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:40,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090342757] [2021-11-19 14:26:40,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:40,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:42,820 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:42,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090342757] [2021-11-19 14:26:42,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090342757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:42,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:42,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 14:26:42,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63535674] [2021-11-19 14:26:42,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:42,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:26:42,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:42,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:26:42,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:26:42,822 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:46,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:46,088 INFO L93 Difference]: Finished difference Result 706 states and 1490 transitions. [2021-11-19 14:26:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 14:26:46,089 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:26:46,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:46,092 INFO L225 Difference]: With dead ends: 706 [2021-11-19 14:26:46,093 INFO L226 Difference]: Without dead ends: 674 [2021-11-19 14:26:46,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=202, Invalid=1438, Unknown=0, NotChecked=0, Total=1640 [2021-11-19 14:26:46,094 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 143 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:46,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 143 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 14:26:46,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2021-11-19 14:26:46,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 522. [2021-11-19 14:26:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-19 14:26:46,113 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-19 14:26:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:46,114 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-19 14:26:46,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-19 14:26:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:26:46,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:46,116 INFO L514 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] [2021-11-19 14:26:46,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 14:26:46,117 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:46,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:46,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1540952546, now seen corresponding path program 3 times [2021-11-19 14:26:46,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:46,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675411512] [2021-11-19 14:26:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:46,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:48,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:48,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675411512] [2021-11-19 14:26:48,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675411512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:48,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:48,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 14:26:48,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758236214] [2021-11-19 14:26:48,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:48,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:26:48,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:48,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:26:48,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:26:48,192 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:51,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:51,345 INFO L93 Difference]: Finished difference Result 704 states and 1487 transitions. [2021-11-19 14:26:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-19 14:26:51,351 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:26:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:51,355 INFO L225 Difference]: With dead ends: 704 [2021-11-19 14:26:51,356 INFO L226 Difference]: Without dead ends: 672 [2021-11-19 14:26:51,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=213, Invalid=1509, Unknown=0, NotChecked=0, Total=1722 [2021-11-19 14:26:51,358 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 207 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:51,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 129 Invalid, 1794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 14:26:51,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2021-11-19 14:26:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 522. [2021-11-19 14:26:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-19 14:26:51,388 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-19 14:26:51,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:51,389 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-19 14:26:51,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-19 14:26:51,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:26:51,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:51,391 INFO L514 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] [2021-11-19 14:26:51,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 14:26:51,392 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:51,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1846127082, now seen corresponding path program 4 times [2021-11-19 14:26:51,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:51,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645916922] [2021-11-19 14:26:51,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:51,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:53,557 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:53,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645916922] [2021-11-19 14:26:53,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645916922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:53,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:53,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 14:26:53,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459212054] [2021-11-19 14:26:53,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:53,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:26:53,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:53,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:26:53,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:26:53,560 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:56,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:56,685 INFO L93 Difference]: Finished difference Result 694 states and 1472 transitions. [2021-11-19 14:26:56,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 14:26:56,686 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:26:56,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:56,690 INFO L225 Difference]: With dead ends: 694 [2021-11-19 14:26:56,690 INFO L226 Difference]: Without dead ends: 662 [2021-11-19 14:26:56,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=201, Invalid=1439, Unknown=0, NotChecked=0, Total=1640 [2021-11-19 14:26:56,692 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 161 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:56,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 112 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-19 14:26:56,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-11-19 14:26:56,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 522. [2021-11-19 14:26:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-19 14:26:56,712 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-19 14:26:56,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:56,712 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-19 14:26:56,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:26:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-19 14:26:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:26:56,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:56,715 INFO L514 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] [2021-11-19 14:26:56,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-19 14:26:56,715 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:26:56,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:56,716 INFO L85 PathProgramCache]: Analyzing trace with hash 57186064, now seen corresponding path program 5 times [2021-11-19 14:26:56,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:56,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007816708] [2021-11-19 14:26:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:56,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:58,643 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:58,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007816708] [2021-11-19 14:26:58,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007816708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:58,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:58,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 14:26:58,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692183933] [2021-11-19 14:26:58,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:58,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:26:58,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:58,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:26:58,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:26:58,645 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:01,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:01,776 INFO L93 Difference]: Finished difference Result 754 states and 1601 transitions. [2021-11-19 14:27:01,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 14:27:01,777 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:01,782 INFO L225 Difference]: With dead ends: 754 [2021-11-19 14:27:01,782 INFO L226 Difference]: Without dead ends: 722 [2021-11-19 14:27:01,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=195, Invalid=1365, Unknown=0, NotChecked=0, Total=1560 [2021-11-19 14:27:01,784 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 200 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:01,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 140 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1878 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 14:27:01,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2021-11-19 14:27:01,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 525. [2021-11-19 14:27:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 2.1393129770992365) internal successors, (1121), 524 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 1121 transitions. [2021-11-19 14:27:01,803 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 1121 transitions. Word has length 38 [2021-11-19 14:27:01,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:01,804 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 1121 transitions. [2021-11-19 14:27:01,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1121 transitions. [2021-11-19 14:27:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:01,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:01,806 INFO L514 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] [2021-11-19 14:27:01,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 14:27:01,806 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:01,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:01,807 INFO L85 PathProgramCache]: Analyzing trace with hash -806412892, now seen corresponding path program 6 times [2021-11-19 14:27:01,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:01,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045003632] [2021-11-19 14:27:01,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:01,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:03,439 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:03,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045003632] [2021-11-19 14:27:03,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045003632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:03,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:03,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 14:27:03,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159398740] [2021-11-19 14:27:03,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:03,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:27:03,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:03,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:27:03,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:27:03,441 INFO L87 Difference]: Start difference. First operand 525 states and 1121 transitions. Second operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:06,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:06,548 INFO L93 Difference]: Finished difference Result 771 states and 1637 transitions. [2021-11-19 14:27:06,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-19 14:27:06,549 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:06,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:06,552 INFO L225 Difference]: With dead ends: 771 [2021-11-19 14:27:06,552 INFO L226 Difference]: Without dead ends: 739 [2021-11-19 14:27:06,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=231, Invalid=1575, Unknown=0, NotChecked=0, Total=1806 [2021-11-19 14:27:06,554 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 214 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:06,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 110 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 14:27:06,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2021-11-19 14:27:06,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 534. [2021-11-19 14:27:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 533 states have (on average 2.1425891181988743) internal successors, (1142), 533 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 1142 transitions. [2021-11-19 14:27:06,573 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 1142 transitions. Word has length 38 [2021-11-19 14:27:06,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:06,573 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 1142 transitions. [2021-11-19 14:27:06,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:06,574 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1142 transitions. [2021-11-19 14:27:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:06,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:06,576 INFO L514 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] [2021-11-19 14:27:06,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 14:27:06,576 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:06,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:06,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1055205184, now seen corresponding path program 7 times [2021-11-19 14:27:06,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:06,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97492849] [2021-11-19 14:27:06,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:06,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:08,332 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:08,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97492849] [2021-11-19 14:27:08,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97492849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:08,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:08,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:27:08,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567851227] [2021-11-19 14:27:08,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:08,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:27:08,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:08,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:27:08,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:27:08,335 INFO L87 Difference]: Start difference. First operand 534 states and 1142 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:12,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:12,218 INFO L93 Difference]: Finished difference Result 845 states and 1804 transitions. [2021-11-19 14:27:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-19 14:27:12,220 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:12,227 INFO L225 Difference]: With dead ends: 845 [2021-11-19 14:27:12,227 INFO L226 Difference]: Without dead ends: 813 [2021-11-19 14:27:12,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=282, Invalid=2070, Unknown=0, NotChecked=0, Total=2352 [2021-11-19 14:27:12,229 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 219 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:12,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 100 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 14:27:12,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2021-11-19 14:27:12,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 540. [2021-11-19 14:27:12,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 2.150278293135436) internal successors, (1159), 539 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:12,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1159 transitions. [2021-11-19 14:27:12,250 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1159 transitions. Word has length 38 [2021-11-19 14:27:12,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:12,250 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 1159 transitions. [2021-11-19 14:27:12,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1159 transitions. [2021-11-19 14:27:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:12,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:12,252 INFO L514 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] [2021-11-19 14:27:12,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 14:27:12,253 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:12,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:12,254 INFO L85 PathProgramCache]: Analyzing trace with hash -34010682, now seen corresponding path program 8 times [2021-11-19 14:27:12,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:12,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726922749] [2021-11-19 14:27:12,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:12,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:13,936 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:13,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726922749] [2021-11-19 14:27:13,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726922749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:13,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:13,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:27:13,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606671913] [2021-11-19 14:27:13,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:13,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:27:13,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:13,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:27:13,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:27:13,938 INFO L87 Difference]: Start difference. First operand 540 states and 1159 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:18,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:18,184 INFO L93 Difference]: Finished difference Result 847 states and 1806 transitions. [2021-11-19 14:27:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 14:27:18,184 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:18,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:18,190 INFO L225 Difference]: With dead ends: 847 [2021-11-19 14:27:18,190 INFO L226 Difference]: Without dead ends: 815 [2021-11-19 14:27:18,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=264, Invalid=1992, Unknown=0, NotChecked=0, Total=2256 [2021-11-19 14:27:18,192 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 232 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:18,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 108 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 14:27:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2021-11-19 14:27:18,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 543. [2021-11-19 14:27:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 542 states have (on average 2.151291512915129) internal successors, (1166), 542 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 1166 transitions. [2021-11-19 14:27:18,211 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 1166 transitions. Word has length 38 [2021-11-19 14:27:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:18,211 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 1166 transitions. [2021-11-19 14:27:18,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1166 transitions. [2021-11-19 14:27:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:18,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:18,213 INFO L514 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] [2021-11-19 14:27:18,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 14:27:18,214 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:18,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1523417272, now seen corresponding path program 9 times [2021-11-19 14:27:18,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:18,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934540995] [2021-11-19 14:27:18,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:18,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:19,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:19,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934540995] [2021-11-19 14:27:19,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934540995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:19,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:19,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:27:19,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112915452] [2021-11-19 14:27:19,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:19,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:27:19,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:19,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:27:19,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:27:19,905 INFO L87 Difference]: Start difference. First operand 543 states and 1166 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:24,645 INFO L93 Difference]: Finished difference Result 919 states and 1967 transitions. [2021-11-19 14:27:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 14:27:24,645 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:24,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:24,649 INFO L225 Difference]: With dead ends: 919 [2021-11-19 14:27:24,649 INFO L226 Difference]: Without dead ends: 887 [2021-11-19 14:27:24,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=290, Invalid=2160, Unknown=0, NotChecked=0, Total=2450 [2021-11-19 14:27:24,652 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 286 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 2339 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 2425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:24,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 144 Invalid, 2425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2339 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:27:24,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2021-11-19 14:27:24,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 573. [2021-11-19 14:27:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 572 states have (on average 2.160839160839161) internal successors, (1236), 572 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1236 transitions. [2021-11-19 14:27:24,673 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1236 transitions. Word has length 38 [2021-11-19 14:27:24,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:24,673 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 1236 transitions. [2021-11-19 14:27:24,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1236 transitions. [2021-11-19 14:27:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:24,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:24,676 INFO L514 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] [2021-11-19 14:27:24,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-19 14:27:24,676 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:24,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:24,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1741595312, now seen corresponding path program 10 times [2021-11-19 14:27:24,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:24,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929121180] [2021-11-19 14:27:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:24,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:26,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:26,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929121180] [2021-11-19 14:27:26,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929121180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:26,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:26,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:27:26,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123146941] [2021-11-19 14:27:26,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:26,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:27:26,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:26,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:27:26,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:27:26,292 INFO L87 Difference]: Start difference. First operand 573 states and 1236 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:29,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:29,200 INFO L93 Difference]: Finished difference Result 849 states and 1807 transitions. [2021-11-19 14:27:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 14:27:29,201 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:29,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:29,203 INFO L225 Difference]: With dead ends: 849 [2021-11-19 14:27:29,203 INFO L226 Difference]: Without dead ends: 817 [2021-11-19 14:27:29,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=192, Invalid=1290, Unknown=0, NotChecked=0, Total=1482 [2021-11-19 14:27:29,205 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 184 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:29,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 107 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1619 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 14:27:29,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-11-19 14:27:29,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 573. [2021-11-19 14:27:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 572 states have (on average 2.160839160839161) internal successors, (1236), 572 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1236 transitions. [2021-11-19 14:27:29,251 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1236 transitions. Word has length 38 [2021-11-19 14:27:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:29,251 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 1236 transitions. [2021-11-19 14:27:29,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1236 transitions. [2021-11-19 14:27:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:29,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:29,255 INFO L514 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] [2021-11-19 14:27:29,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-19 14:27:29,256 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:29,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:29,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1689773028, now seen corresponding path program 11 times [2021-11-19 14:27:29,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:29,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179506258] [2021-11-19 14:27:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:29,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:31,082 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:31,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179506258] [2021-11-19 14:27:31,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179506258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:31,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:31,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:27:31,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562852138] [2021-11-19 14:27:31,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:31,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:27:31,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:31,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:27:31,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:27:31,084 INFO L87 Difference]: Start difference. First operand 573 states and 1236 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:34,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:34,113 INFO L93 Difference]: Finished difference Result 909 states and 1940 transitions. [2021-11-19 14:27:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-19 14:27:34,114 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:34,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:34,117 INFO L225 Difference]: With dead ends: 909 [2021-11-19 14:27:34,117 INFO L226 Difference]: Without dead ends: 877 [2021-11-19 14:27:34,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=219, Invalid=1421, Unknown=0, NotChecked=0, Total=1640 [2021-11-19 14:27:34,119 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 239 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:34,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 98 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 14:27:34,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2021-11-19 14:27:34,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 582. [2021-11-19 14:27:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 581 states have (on average 2.163511187607573) internal successors, (1257), 581 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 1257 transitions. [2021-11-19 14:27:34,142 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 1257 transitions. Word has length 38 [2021-11-19 14:27:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:34,142 INFO L470 AbstractCegarLoop]: Abstraction has 582 states and 1257 transitions. [2021-11-19 14:27:34,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1257 transitions. [2021-11-19 14:27:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:34,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:34,145 INFO L514 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] [2021-11-19 14:27:34,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-19 14:27:34,145 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:34,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash -743576192, now seen corresponding path program 12 times [2021-11-19 14:27:34,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:34,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138860366] [2021-11-19 14:27:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:34,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:35,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:35,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138860366] [2021-11-19 14:27:35,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138860366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:35,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:35,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:27:35,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622554467] [2021-11-19 14:27:35,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:35,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:27:35,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:35,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:27:35,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:27:35,929 INFO L87 Difference]: Start difference. First operand 582 states and 1257 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:39,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:39,301 INFO L93 Difference]: Finished difference Result 893 states and 1919 transitions. [2021-11-19 14:27:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-19 14:27:39,302 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:39,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:39,309 INFO L225 Difference]: With dead ends: 893 [2021-11-19 14:27:39,309 INFO L226 Difference]: Without dead ends: 861 [2021-11-19 14:27:39,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=246, Invalid=1646, Unknown=0, NotChecked=0, Total=1892 [2021-11-19 14:27:39,311 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 214 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:39,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 115 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1900 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 14:27:39,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2021-11-19 14:27:39,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 588. [2021-11-19 14:27:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 587 states have (on average 2.1703577512776833) internal successors, (1274), 587 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 1274 transitions. [2021-11-19 14:27:39,330 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 1274 transitions. Word has length 38 [2021-11-19 14:27:39,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:39,330 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 1274 transitions. [2021-11-19 14:27:39,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1274 transitions. [2021-11-19 14:27:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:39,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:39,332 INFO L514 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] [2021-11-19 14:27:39,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-19 14:27:39,333 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:39,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:39,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1832792058, now seen corresponding path program 13 times [2021-11-19 14:27:39,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:39,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969224242] [2021-11-19 14:27:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:39,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:40,924 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:40,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969224242] [2021-11-19 14:27:40,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969224242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:40,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:40,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:27:40,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229763957] [2021-11-19 14:27:40,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:40,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:27:40,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:40,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:27:40,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:27:40,926 INFO L87 Difference]: Start difference. First operand 588 states and 1274 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:44,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:44,584 INFO L93 Difference]: Finished difference Result 895 states and 1921 transitions. [2021-11-19 14:27:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 14:27:44,585 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:44,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:44,587 INFO L225 Difference]: With dead ends: 895 [2021-11-19 14:27:44,587 INFO L226 Difference]: Without dead ends: 863 [2021-11-19 14:27:44,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=228, Invalid=1578, Unknown=0, NotChecked=0, Total=1806 [2021-11-19 14:27:44,592 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 227 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:44,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 116 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 14:27:44,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2021-11-19 14:27:44,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 591. [2021-11-19 14:27:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 590 states have (on average 2.171186440677966) internal successors, (1281), 590 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1281 transitions. [2021-11-19 14:27:44,612 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1281 transitions. Word has length 38 [2021-11-19 14:27:44,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:44,613 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 1281 transitions. [2021-11-19 14:27:44,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1281 transitions. [2021-11-19 14:27:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:44,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:44,615 INFO L514 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] [2021-11-19 14:27:44,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-19 14:27:44,615 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:44,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:44,616 INFO L85 PathProgramCache]: Analyzing trace with hash 972768648, now seen corresponding path program 14 times [2021-11-19 14:27:44,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:44,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408883140] [2021-11-19 14:27:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:44,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:46,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:46,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408883140] [2021-11-19 14:27:46,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408883140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:46,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:46,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:27:46,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65769835] [2021-11-19 14:27:46,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:46,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:27:46,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:46,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:27:46,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:27:46,127 INFO L87 Difference]: Start difference. First operand 591 states and 1281 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:49,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:49,716 INFO L93 Difference]: Finished difference Result 965 states and 2079 transitions. [2021-11-19 14:27:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 14:27:49,716 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:49,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:49,719 INFO L225 Difference]: With dead ends: 965 [2021-11-19 14:27:49,719 INFO L226 Difference]: Without dead ends: 933 [2021-11-19 14:27:49,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=239, Invalid=1653, Unknown=0, NotChecked=0, Total=1892 [2021-11-19 14:27:49,721 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 231 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:49,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 116 Invalid, 1924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 14:27:49,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2021-11-19 14:27:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 570. [2021-11-19 14:27:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 569 states have (on average 2.1599297012302285) internal successors, (1229), 569 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1229 transitions. [2021-11-19 14:27:49,762 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 1229 transitions. Word has length 38 [2021-11-19 14:27:49,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:49,763 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 1229 transitions. [2021-11-19 14:27:49,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1229 transitions. [2021-11-19 14:27:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:49,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:49,765 INFO L514 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] [2021-11-19 14:27:49,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-19 14:27:49,766 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:49,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:49,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1545278224, now seen corresponding path program 15 times [2021-11-19 14:27:49,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:49,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226373878] [2021-11-19 14:27:49,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:49,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:51,896 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:51,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226373878] [2021-11-19 14:27:51,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226373878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:51,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:51,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:27:51,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231103420] [2021-11-19 14:27:51,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:51,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:27:51,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:51,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:27:51,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:27:51,898 INFO L87 Difference]: Start difference. First operand 570 states and 1229 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:56,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:27:56,088 INFO L93 Difference]: Finished difference Result 862 states and 1836 transitions. [2021-11-19 14:27:56,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-19 14:27:56,089 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:27:56,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:27:56,091 INFO L225 Difference]: With dead ends: 862 [2021-11-19 14:27:56,092 INFO L226 Difference]: Without dead ends: 830 [2021-11-19 14:27:56,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=236, Invalid=1486, Unknown=0, NotChecked=0, Total=1722 [2021-11-19 14:27:56,093 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 182 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:27:56,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 127 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 14:27:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2021-11-19 14:27:56,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 570. [2021-11-19 14:27:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 569 states have (on average 2.1599297012302285) internal successors, (1229), 569 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1229 transitions. [2021-11-19 14:27:56,111 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 1229 transitions. Word has length 38 [2021-11-19 14:27:56,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:27:56,111 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 1229 transitions. [2021-11-19 14:27:56,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:27:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1229 transitions. [2021-11-19 14:27:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:27:56,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:27:56,113 INFO L514 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] [2021-11-19 14:27:56,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-19 14:27:56,114 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:27:56,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:27:56,114 INFO L85 PathProgramCache]: Analyzing trace with hash -888070996, now seen corresponding path program 16 times [2021-11-19 14:27:56,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:27:56,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036338151] [2021-11-19 14:27:56,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:27:56,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:27:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:27:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:27:58,305 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:27:58,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036338151] [2021-11-19 14:27:58,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036338151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:27:58,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:27:58,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:27:58,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885369041] [2021-11-19 14:27:58,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:27:58,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:27:58,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:27:58,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:27:58,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:27:58,307 INFO L87 Difference]: Start difference. First operand 570 states and 1229 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:03,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:03,117 INFO L93 Difference]: Finished difference Result 860 states and 1844 transitions. [2021-11-19 14:28:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-19 14:28:03,117 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:28:03,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:03,119 INFO L225 Difference]: With dead ends: 860 [2021-11-19 14:28:03,119 INFO L226 Difference]: Without dead ends: 828 [2021-11-19 14:28:03,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=313, Invalid=2039, Unknown=0, NotChecked=0, Total=2352 [2021-11-19 14:28:03,120 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 221 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:03,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 140 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:28:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2021-11-19 14:28:03,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 598. [2021-11-19 14:28:03,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 2.1658291457286434) internal successors, (1293), 597 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1293 transitions. [2021-11-19 14:28:03,138 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1293 transitions. Word has length 38 [2021-11-19 14:28:03,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:03,138 INFO L470 AbstractCegarLoop]: Abstraction has 598 states and 1293 transitions. [2021-11-19 14:28:03,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1293 transitions. [2021-11-19 14:28:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:28:03,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:03,141 INFO L514 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] [2021-11-19 14:28:03,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-19 14:28:03,141 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:03,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:03,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1977286862, now seen corresponding path program 17 times [2021-11-19 14:28:03,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:03,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259257170] [2021-11-19 14:28:03,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:03,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:05,131 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:05,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259257170] [2021-11-19 14:28:05,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259257170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:05,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:05,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:28:05,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745891184] [2021-11-19 14:28:05,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:05,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:28:05,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:05,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:28:05,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:28:05,133 INFO L87 Difference]: Start difference. First operand 598 states and 1293 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:10,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:10,417 INFO L93 Difference]: Finished difference Result 864 states and 1849 transitions. [2021-11-19 14:28:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-19 14:28:10,418 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:28:10,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:10,419 INFO L225 Difference]: With dead ends: 864 [2021-11-19 14:28:10,419 INFO L226 Difference]: Without dead ends: 832 [2021-11-19 14:28:10,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=309, Invalid=2141, Unknown=0, NotChecked=0, Total=2450 [2021-11-19 14:28:10,421 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 189 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:10,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 135 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 14:28:10,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2021-11-19 14:28:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 602. [2021-11-19 14:28:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 2.1663893510815306) internal successors, (1302), 601 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1302 transitions. [2021-11-19 14:28:10,437 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1302 transitions. Word has length 38 [2021-11-19 14:28:10,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:10,438 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 1302 transitions. [2021-11-19 14:28:10,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1302 transitions. [2021-11-19 14:28:10,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:28:10,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:10,440 INFO L514 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] [2021-11-19 14:28:10,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-19 14:28:10,441 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:10,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:10,441 INFO L85 PathProgramCache]: Analyzing trace with hash 828273844, now seen corresponding path program 18 times [2021-11-19 14:28:10,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:10,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569123656] [2021-11-19 14:28:10,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:10,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:12,579 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:12,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569123656] [2021-11-19 14:28:12,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569123656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:12,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:12,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:28:12,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802158067] [2021-11-19 14:28:12,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:12,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:28:12,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:12,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:28:12,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:28:12,582 INFO L87 Difference]: Start difference. First operand 602 states and 1302 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:17,748 INFO L93 Difference]: Finished difference Result 1064 states and 2286 transitions. [2021-11-19 14:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-19 14:28:17,749 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:28:17,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:17,751 INFO L225 Difference]: With dead ends: 1064 [2021-11-19 14:28:17,751 INFO L226 Difference]: Without dead ends: 1004 [2021-11-19 14:28:17,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=349, Invalid=2407, Unknown=0, NotChecked=0, Total=2756 [2021-11-19 14:28:17,752 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 342 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:17,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 138 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:28:17,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-11-19 14:28:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 584. [2021-11-19 14:28:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 583 states have (on average 2.156089193825043) internal successors, (1257), 583 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 1257 transitions. [2021-11-19 14:28:17,770 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 1257 transitions. Word has length 38 [2021-11-19 14:28:17,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:17,771 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 1257 transitions. [2021-11-19 14:28:17,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1257 transitions. [2021-11-19 14:28:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-19 14:28:17,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:17,773 INFO L514 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] [2021-11-19 14:28:17,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-19 14:28:17,773 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:17,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:17,774 INFO L85 PathProgramCache]: Analyzing trace with hash -172392012, now seen corresponding path program 19 times [2021-11-19 14:28:17,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:17,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744656087] [2021-11-19 14:28:17,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:17,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:20,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:20,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744656087] [2021-11-19 14:28:20,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744656087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:20,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:20,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:28:20,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806496659] [2021-11-19 14:28:20,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:20,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:28:20,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:20,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:28:20,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:28:20,036 INFO L87 Difference]: Start difference. First operand 584 states and 1257 transitions. Second operand has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:25,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:25,946 INFO L93 Difference]: Finished difference Result 922 states and 1967 transitions. [2021-11-19 14:28:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 14:28:25,946 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-19 14:28:25,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:25,949 INFO L225 Difference]: With dead ends: 922 [2021-11-19 14:28:25,949 INFO L226 Difference]: Without dead ends: 890 [2021-11-19 14:28:25,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=285, Invalid=2067, Unknown=0, NotChecked=0, Total=2352 [2021-11-19 14:28:25,952 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 258 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 2442 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 2540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 2442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:25,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 147 Invalid, 2540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 2442 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 14:28:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2021-11-19 14:28:25,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 594. [2021-11-19 14:28:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 593 states have (on average 2.1534569983136596) internal successors, (1277), 593 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1277 transitions. [2021-11-19 14:28:25,970 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1277 transitions. Word has length 38 [2021-11-19 14:28:25,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:25,970 INFO L470 AbstractCegarLoop]: Abstraction has 594 states and 1277 transitions. [2021-11-19 14:28:25,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1277 transitions. [2021-11-19 14:28:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-19 14:28:25,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:25,972 INFO L514 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] [2021-11-19 14:28:25,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-19 14:28:25,973 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:25,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:25,973 INFO L85 PathProgramCache]: Analyzing trace with hash 569509441, now seen corresponding path program 1 times [2021-11-19 14:28:25,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:25,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088366599] [2021-11-19 14:28:25,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:25,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:27,710 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:27,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088366599] [2021-11-19 14:28:27,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088366599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:27,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:27,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:28:27,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065826318] [2021-11-19 14:28:27,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:27,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:28:27,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:27,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:28:27,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:28:27,713 INFO L87 Difference]: Start difference. First operand 594 states and 1277 transitions. Second operand has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:32,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:32,687 INFO L93 Difference]: Finished difference Result 1076 states and 2325 transitions. [2021-11-19 14:28:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 14:28:32,688 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-19 14:28:32,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:32,690 INFO L225 Difference]: With dead ends: 1076 [2021-11-19 14:28:32,691 INFO L226 Difference]: Without dead ends: 1044 [2021-11-19 14:28:32,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=347, Invalid=2409, Unknown=0, NotChecked=0, Total=2756 [2021-11-19 14:28:32,693 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 296 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:32,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 133 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:28:32,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2021-11-19 14:28:32,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 653. [2021-11-19 14:28:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 652 states have (on average 2.1779141104294477) internal successors, (1420), 652 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1420 transitions. [2021-11-19 14:28:32,718 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1420 transitions. Word has length 39 [2021-11-19 14:28:32,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:32,718 INFO L470 AbstractCegarLoop]: Abstraction has 653 states and 1420 transitions. [2021-11-19 14:28:32,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:32,719 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1420 transitions. [2021-11-19 14:28:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-19 14:28:32,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:32,721 INFO L514 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] [2021-11-19 14:28:32,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-19 14:28:32,722 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:32,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:32,723 INFO L85 PathProgramCache]: Analyzing trace with hash 641861633, now seen corresponding path program 2 times [2021-11-19 14:28:32,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:32,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362171933] [2021-11-19 14:28:32,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:32,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:34,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:34,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362171933] [2021-11-19 14:28:34,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362171933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:34,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:34,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 14:28:34,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115356233] [2021-11-19 14:28:34,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:34,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:28:34,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:34,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:28:34,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:28:34,360 INFO L87 Difference]: Start difference. First operand 653 states and 1420 transitions. Second operand has 21 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:38,415 INFO L93 Difference]: Finished difference Result 1130 states and 2463 transitions. [2021-11-19 14:28:38,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 14:28:38,416 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-19 14:28:38,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:38,418 INFO L225 Difference]: With dead ends: 1130 [2021-11-19 14:28:38,418 INFO L226 Difference]: Without dead ends: 1098 [2021-11-19 14:28:38,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=299, Invalid=1957, Unknown=0, NotChecked=0, Total=2256 [2021-11-19 14:28:38,420 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 272 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1849 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:38,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 124 Invalid, 1914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1849 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 14:28:38,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-11-19 14:28:38,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 650. [2021-11-19 14:28:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 649 states have (on average 2.177195685670262) internal successors, (1413), 649 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1413 transitions. [2021-11-19 14:28:38,435 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1413 transitions. Word has length 39 [2021-11-19 14:28:38,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:38,436 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 1413 transitions. [2021-11-19 14:28:38,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.95) internal successors, (39), 20 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1413 transitions. [2021-11-19 14:28:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-19 14:28:38,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:38,438 INFO L514 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] [2021-11-19 14:28:38,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-19 14:28:38,439 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:38,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:38,439 INFO L85 PathProgramCache]: Analyzing trace with hash 457490005, now seen corresponding path program 3 times [2021-11-19 14:28:38,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:38,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187062627] [2021-11-19 14:28:38,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:38,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:40,356 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:40,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187062627] [2021-11-19 14:28:40,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187062627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:40,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:40,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:28:40,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008442958] [2021-11-19 14:28:40,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:40,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:28:40,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:40,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:28:40,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:28:40,359 INFO L87 Difference]: Start difference. First operand 650 states and 1413 transitions. Second operand has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:45,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:45,254 INFO L93 Difference]: Finished difference Result 1058 states and 2296 transitions. [2021-11-19 14:28:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 14:28:45,255 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-19 14:28:45,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:45,258 INFO L225 Difference]: With dead ends: 1058 [2021-11-19 14:28:45,258 INFO L226 Difference]: Without dead ends: 1026 [2021-11-19 14:28:45,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=356, Invalid=2400, Unknown=0, NotChecked=0, Total=2756 [2021-11-19 14:28:45,260 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 345 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 2053 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 2053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:45,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 123 Invalid, 2151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 2053 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:28:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2021-11-19 14:28:45,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 632. [2021-11-19 14:28:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 631 states have (on average 2.167987321711569) internal successors, (1368), 631 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1368 transitions. [2021-11-19 14:28:45,283 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1368 transitions. Word has length 39 [2021-11-19 14:28:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:45,284 INFO L470 AbstractCegarLoop]: Abstraction has 632 states and 1368 transitions. [2021-11-19 14:28:45,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1368 transitions. [2021-11-19 14:28:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-19 14:28:45,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:45,286 INFO L514 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] [2021-11-19 14:28:45,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-19 14:28:45,287 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:45,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:45,288 INFO L85 PathProgramCache]: Analyzing trace with hash -498380459, now seen corresponding path program 4 times [2021-11-19 14:28:45,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:45,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35716142] [2021-11-19 14:28:45,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:45,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:47,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:47,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35716142] [2021-11-19 14:28:47,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35716142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:47,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:47,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:28:47,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890146866] [2021-11-19 14:28:47,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:47,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:28:47,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:47,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:28:47,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:28:47,746 INFO L87 Difference]: Start difference. First operand 632 states and 1368 transitions. Second operand has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:54,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:28:54,618 INFO L93 Difference]: Finished difference Result 1010 states and 2181 transitions. [2021-11-19 14:28:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 14:28:54,618 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-19 14:28:54,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:28:54,620 INFO L225 Difference]: With dead ends: 1010 [2021-11-19 14:28:54,620 INFO L226 Difference]: Without dead ends: 978 [2021-11-19 14:28:54,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=353, Invalid=2403, Unknown=0, NotChecked=0, Total=2756 [2021-11-19 14:28:54,622 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 260 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 2504 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 2580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:28:54,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 146 Invalid, 2580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2504 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 14:28:54,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2021-11-19 14:28:54,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 602. [2021-11-19 14:28:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 2.1597337770382694) internal successors, (1298), 601 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1298 transitions. [2021-11-19 14:28:54,636 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1298 transitions. Word has length 39 [2021-11-19 14:28:54,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:28:54,636 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 1298 transitions. [2021-11-19 14:28:54,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:28:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1298 transitions. [2021-11-19 14:28:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-19 14:28:54,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:28:54,638 INFO L514 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] [2021-11-19 14:28:54,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-19 14:28:54,638 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:28:54,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:28:54,639 INFO L85 PathProgramCache]: Analyzing trace with hash -142295851, now seen corresponding path program 5 times [2021-11-19 14:28:54,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:28:54,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794049865] [2021-11-19 14:28:54,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:28:54,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:28:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:28:57,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:28:57,143 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:28:57,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794049865] [2021-11-19 14:28:57,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794049865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:28:57,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:28:57,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-19 14:28:57,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437354597] [2021-11-19 14:28:57,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:28:57,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:28:57,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:28:57,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:28:57,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:28:57,145 INFO L87 Difference]: Start difference. First operand 602 states and 1298 transitions. Second operand has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:29:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:29:04,052 INFO L93 Difference]: Finished difference Result 980 states and 2111 transitions. [2021-11-19 14:29:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 14:29:04,052 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-19 14:29:04,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:29:04,054 INFO L225 Difference]: With dead ends: 980 [2021-11-19 14:29:04,055 INFO L226 Difference]: Without dead ends: 948 [2021-11-19 14:29:04,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=398, Invalid=2464, Unknown=0, NotChecked=0, Total=2862 [2021-11-19 14:29:04,056 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 268 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 2382 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 2382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:29:04,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 139 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 2382 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:29:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2021-11-19 14:29:04,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 604. [2021-11-19 14:29:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 603 states have (on average 2.1608623548922057) internal successors, (1303), 603 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:29:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1303 transitions. [2021-11-19 14:29:04,077 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1303 transitions. Word has length 39 [2021-11-19 14:29:04,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:29:04,077 INFO L470 AbstractCegarLoop]: Abstraction has 604 states and 1303 transitions. [2021-11-19 14:29:04,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:29:04,078 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1303 transitions. [2021-11-19 14:29:04,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-19 14:29:04,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:29:04,080 INFO L514 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] [2021-11-19 14:29:04,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-19 14:29:04,080 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-19 14:29:04,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:29:04,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1827465967, now seen corresponding path program 1 times [2021-11-19 14:29:04,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:29:04,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852539561] [2021-11-19 14:29:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:29:04,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:29:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:29:04,121 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 14:29:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:29:04,211 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-19 14:29:04,212 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 14:29:04,213 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-19 14:29:04,215 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-19 14:29:04,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-19 14:29:04,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-19 14:29:04,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2021-11-19 14:29:04,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2021-11-19 14:29:04,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-19 14:29:04,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-19 14:29:04,220 INFO L732 BasicCegarLoop]: Path program histogram: [19, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:29:04,226 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 14:29:04,226 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:29:04,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:29:04 BasicIcfg [2021-11-19 14:29:04,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:29:04,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:29:04,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:29:04,361 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:29:04,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:38" (3/4) ... [2021-11-19 14:29:04,366 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 14:29:04,516 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:29:04,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:29:04,517 INFO L158 Benchmark]: Toolchain (without parser) took 268409.53ms. Allocated memory was 90.2MB in the beginning and 373.3MB in the end (delta: 283.1MB). Free memory was 53.7MB in the beginning and 257.1MB in the end (delta: -203.4MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2021-11-19 14:29:04,518 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:29:04,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.29ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.4MB in the beginning and 63.5MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:29:04,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.96ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 60.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 14:29:04,519 INFO L158 Benchmark]: Boogie Preprocessor took 73.95ms. Allocated memory is still 109.1MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:29:04,519 INFO L158 Benchmark]: RCFGBuilder took 862.96ms. Allocated memory is still 109.1MB. Free memory was 57.8MB in the beginning and 82.5MB in the end (delta: -24.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-19 14:29:04,520 INFO L158 Benchmark]: TraceAbstraction took 266178.88ms. Allocated memory was 109.1MB in the beginning and 373.3MB in the end (delta: 264.2MB). Free memory was 82.5MB in the beginning and 279.1MB in the end (delta: -196.6MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2021-11-19 14:29:04,520 INFO L158 Benchmark]: Witness Printer took 155.73ms. Allocated memory is still 373.3MB. Free memory was 279.1MB in the beginning and 257.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-19 14:29:04,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1050.29ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.4MB in the beginning and 63.5MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.96ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 60.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.95ms. Allocated memory is still 109.1MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 862.96ms. Allocated memory is still 109.1MB. Free memory was 57.8MB in the beginning and 82.5MB in the end (delta: -24.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 266178.88ms. Allocated memory was 109.1MB in the beginning and 373.3MB in the end (delta: 264.2MB). Free memory was 82.5MB in the beginning and 279.1MB in the end (delta: -196.6MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Witness Printer took 155.73ms. Allocated memory is still 373.3MB. Free memory was 279.1MB in the beginning and 257.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.2s, 263 PlacesBefore, 63 PlacesAfterwards, 271 TransitionsBefore, 66 TransitionsAfterwards, 16892 CoEnabledTransitionPairs, 8 FixpointIterations, 79 TrivialSequentialCompositions, 136 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 247 TotalNumberOfCompositions, 34257 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18494, positive: 17842, positive conditional: 0, positive unconditional: 17842, negative: 652, negative conditional: 0, negative unconditional: 652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11576, positive: 11390, positive conditional: 0, positive unconditional: 11390, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11576, positive: 11349, positive conditional: 0, positive unconditional: 11349, negative: 227, negative conditional: 0, negative unconditional: 227, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 227, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 501, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 449, negative conditional: 0, negative unconditional: 449, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18494, positive: 6452, positive conditional: 0, positive unconditional: 6452, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 11576, unknown conditional: 0, unknown unconditional: 11576] , Statistics on independence cache: Total cache size (in pairs): 753, Positive cache size: 679, Positive conditional cache size: 0, Positive unconditional cache size: 679, Negative cache size: 74, Negative conditional cache size: 0, Negative unconditional cache size: 74 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1043]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L947] 0 pthread_mutex_t m; [L949] 0 int stored_elements[(800)]; [L950] 0 _Bool enqueue_flag, dequeue_flag; [L951] 0 QType queue; [L1054] 0 pthread_t id1, id2; [L1055] 0 enqueue_flag=(1) [L1056] 0 dequeue_flag=(0) [L1057] CALL 0 init(&queue) [L954] 0 q->head=0 [L955] 0 q->tail=0 [L956] 0 q->amount=0 [L1057] RET 0 init(&queue) [L1058] CALL, EXPR 0 empty(&queue) [L960] EXPR 0 q->head [L960] EXPR 0 q->tail [L960] COND TRUE 0 q->head == q->tail [L963] 0 return (-1); [L1058] RET, EXPR 0 empty(&queue) [L1058] COND FALSE 0 !(!empty(&queue)==(-1)) [L1062] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, &queue) VAL [dequeue_flag=0, enqueue_flag=1, id1={6:0}, id2={7:0}, m={10:0}, pthread_create(&id1, ((void *)0), t1, &queue)=-3, queue={9:0}, stored_elements={5:0}] [L1063] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, &queue) VAL [dequeue_flag=0, enqueue_flag=1, id1={6:0}, id2={7:0}, m={10:0}, pthread_create(&id2, ((void *)0), t2, &queue)=-2, queue={9:0}, stored_elements={5:0}] [L1036] 2 int i; [L1037] 2 i=0 VAL [arg={9:0}, arg={9:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={10:0}, queue={9:0}, stored_elements={5:0}] [L1037] COND TRUE 2 i<(800) [L1040] COND FALSE 2 !(\read(dequeue_flag)) VAL [arg={9:0}, arg={9:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={10:0}, queue={9:0}, stored_elements={5:0}] [L1037] 2 i++ VAL [arg={9:0}, arg={9:0}, dequeue_flag=0, enqueue_flag=1, i=1, m={10:0}, queue={9:0}, stored_elements={5:0}] [L1007] 1 int value, i; [L1009] 1 value = __VERIFIER_nondet_int() [L1010] CALL 1 enqueue(&queue,value) [L980] EXPR 1 q->tail VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->tail=0, queue={9:0}, stored_elements={5:0}, x=0] [L980] 1 q->element[q->tail] = x VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->tail=0, queue={9:0}, stored_elements={5:0}, x=0] [L981] EXPR 1 q->amount VAL [\old(x)=0, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->amount=0, queue={9:0}, stored_elements={5:0}, x=0] [L981] 1 q->amount++ [L982] EXPR 1 q->tail [L982] COND FALSE 1 !(q->tail == (800)) [L988] EXPR 1 q->tail [L988] 1 q->tail++ [L990] 1 return 0; [L1010] RET 1 enqueue(&queue,value) [L1010] COND FALSE 1 !(enqueue(&queue,value)) [L1013] 1 stored_elements[0]=value [L1014] CALL 1 empty(&queue) [L960] EXPR 1 q->head VAL [\result=-1, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q={9:0}, q={9:0}, q->head=0, queue={9:0}, stored_elements={5:0}] [L960] EXPR 1 q->tail [L960] COND FALSE 1 !(q->head == q->tail) [L966] 1 return 0; [L1014] RET 1 empty(&queue) [L1014] COND FALSE 1 !(empty(&queue)) [L1018] 1 i=0 VAL [arg={9:0}, arg={9:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={10:0}, queue={9:0}, stored_elements={5:0}, value=0] [L1018] COND TRUE 1 i<((800)-1) [L1021] COND TRUE 1 \read(enqueue_flag) [L1023] 1 value = __VERIFIER_nondet_int() [L1024] CALL 1 enqueue(&queue,value) [L980] EXPR 1 q->tail VAL [\old(x)=1, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->tail=1, queue={9:0}, stored_elements={5:0}, x=1] [L980] 1 q->element[q->tail] = x VAL [\old(x)=1, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->tail=1, queue={9:0}, stored_elements={5:0}, x=1] [L981] EXPR 1 q->amount VAL [\old(x)=1, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->amount=1, queue={9:0}, stored_elements={5:0}, x=1] [L981] 1 q->amount++ [L982] EXPR 1 q->tail [L982] COND FALSE 1 !(q->tail == (800)) VAL [\old(x)=1, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->tail=1, queue={9:0}, stored_elements={5:0}, x=1] [L988] EXPR 1 q->tail VAL [\old(x)=1, dequeue_flag=0, enqueue_flag=1, m={10:0}, q={9:0}, q={9:0}, q->tail=1, queue={9:0}, stored_elements={5:0}, x=1] [L988] 1 q->tail++ [L990] 1 return 0; [L1024] RET 1 enqueue(&queue,value) [L1025] 1 stored_elements[i+1]=value VAL [arg={9:0}, arg={9:0}, dequeue_flag=0, enqueue_flag=1, i=0, m={10:0}, queue={9:0}, stored_elements={5:0}, value=1] [L1026] 1 enqueue_flag=(0) VAL [arg={9:0}, arg={9:0}, dequeue_flag=0, enqueue_flag=0, i=0, m={10:0}, queue={9:0}, stored_elements={5:0}, value=1] [L1027] 1 dequeue_flag=(1) VAL [arg={9:0}, arg={9:0}, dequeue_flag=1, enqueue_flag=0, i=0, m={10:0}, queue={9:0}, stored_elements={5:0}, value=1] [L1037] COND TRUE 2 i<(800) [L1040] COND TRUE 2 \read(dequeue_flag) [L1042] CALL, EXPR 2 dequeue(&queue) [L994] 2 int x; [L995] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={10:0}, q={9:0}, q={9:0}, q->head=0, queue={9:0}, stored_elements={5:0}] [L995] EXPR 2 q->element[q->head] [L995] 2 x = q->element[q->head] [L996] EXPR 2 q->amount VAL [dequeue_flag=1, enqueue_flag=0, m={10:0}, q={9:0}, q={9:0}, q->amount=2, queue={9:0}, stored_elements={5:0}, x=0] [L996] 2 q->amount-- [L997] EXPR 2 q->head [L997] COND FALSE 2 !(q->head == (800)) VAL [dequeue_flag=1, enqueue_flag=0, m={10:0}, q={9:0}, q={9:0}, q->head=0, queue={9:0}, stored_elements={5:0}, x=0] [L1002] EXPR 2 q->head VAL [dequeue_flag=1, enqueue_flag=0, m={10:0}, q={9:0}, q={9:0}, q->head=0, queue={9:0}, stored_elements={5:0}, x=0] [L1002] 2 q->head++ [L1003] 2 return x; [L1042] RET, EXPR 2 dequeue(&queue) [L1042] EXPR 2 stored_elements[i] [L1042] COND TRUE 2 !dequeue(&queue)==stored_elements[i] [L1043] 2 reach_error() VAL [arg={9:0}, arg={9:0}, dequeue_flag=1, enqueue_flag=0, i=1, m={10:0}, queue={9:0}, stored_elements={5:0}] - UnprovableResult [Line: 1059]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1062]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1063]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1032]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 426 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 265.8s, OverallIterations: 42, TraceHistogramMax: 1, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.1s, AutomataDifference: 168.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 19.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 6959 SdHoareTripleChecker+Valid, 99.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6959 mSDsluCounter, 3498 SdHoareTripleChecker+Invalid, 90.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12101 mSDsCounter, 2162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54834 IncrementalHoareTripleChecker+Invalid, 56997 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2162 mSolverCounterUnsat, 302 mSDtfsCounter, 54834 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1485 GetRequests, 131 SyntacticMatches, 92 SemanticMatches, 1262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10714 ImplicationChecksByTransitivity, 100.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1023occurred in iteration=0, InterpolantAutomatonStates: 951, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 41 MinimizatonAttempts, 7549 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 74.2s InterpolantComputationTime, 1336 NumberOfCodeBlocks, 1336 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1255 ConstructedInterpolants, 0 QuantifiedInterpolants, 88546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-19 14:29:04,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_384594da-5145-4af3-8c36-8c3d490440dd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE