./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P --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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:18:35,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:18:35,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:18:35,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:18:35,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:18:35,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:18:35,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:18:35,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:18:35,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:18:35,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:18:35,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:18:35,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:18:35,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:18:35,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:18:35,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:18:35,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:18:35,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:18:35,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:18:35,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:18:35,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:18:35,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:18:35,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:18:35,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:18:35,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:18:35,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:18:35,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:18:35,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:18:35,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:18:35,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:18:35,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:18:35,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:18:35,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:18:35,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:18:35,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:18:35,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:18:35,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:18:35,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:18:35,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:18:35,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:18:35,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:18:35,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:18:35,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:18:35,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:18:35,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:18:35,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:18:35,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:18:35,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:18:35,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:18:35,963 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:18:35,964 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:18:35,964 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:18:35,964 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:18:35,966 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:18:35,966 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:18:35,966 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:18:35,966 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:18:35,967 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:18:35,967 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:18:35,967 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:18:35,968 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:18:35,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:18:35,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:18:35,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:18:35,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:18:35,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:18:35,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:18:35,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:18:35,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:18:35,973 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:18:35,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:18:35,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:18:35,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:18:35,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:18:35,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:18:35,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:18:35,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:18:35,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:18:35,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:18:35,977 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:18:35,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:18:35,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:18:35,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:18:35,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:18:35,978 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_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2021-11-21 01:18:36,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:18:36,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:18:36,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:18:36,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:18:36,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:18:36,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2021-11-21 01:18:36,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/data/310ad049c/1960fac29e144b758cf4e7798d7570db/FLAGeebe5aca8 [2021-11-21 01:18:36,998 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:18:36,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2021-11-21 01:18:37,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/data/310ad049c/1960fac29e144b758cf4e7798d7570db/FLAGeebe5aca8 [2021-11-21 01:18:37,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/data/310ad049c/1960fac29e144b758cf4e7798d7570db [2021-11-21 01:18:37,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:18:37,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:18:37,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:18:37,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:18:37,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:18:37,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623faa5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37, skipping insertion in model container [2021-11-21 01:18:37,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:18:37,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:18:37,602 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_acc607e5-d88c-41e2-84cf-24469daed493/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2021-11-21 01:18:37,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:18:37,621 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:18:37,658 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_acc607e5-d88c-41e2-84cf-24469daed493/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c[4225,4238] [2021-11-21 01:18:37,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:18:37,680 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:18:37,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37 WrapperNode [2021-11-21 01:18:37,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:18:37,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:18:37,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:18:37,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:18:37,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,785 INFO L137 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 386 [2021-11-21 01:18:37,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:18:37,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:18:37,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:18:37,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:18:37,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:18:37,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:18:37,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:18:37,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:18:37,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (1/1) ... [2021-11-21 01:18:37,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:18:37,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:18:37,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:18:37,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:18:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:18:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:18:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:18:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:18:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-21 01:18:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-21 01:18:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-21 01:18:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-21 01:18:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-21 01:18:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-21 01:18:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-21 01:18:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-21 01:18:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:18:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-21 01:18:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-21 01:18:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-21 01:18:37,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-21 01:18:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-21 01:18:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-21 01:18:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:18:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:18:37,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:18:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:18:37,965 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 01:18:38,156 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:18:38,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:18:38,853 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:18:39,313 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:18:39,313 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 01:18:39,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:18:39 BoogieIcfgContainer [2021-11-21 01:18:39,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:18:39,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:18:39,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:18:39,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:18:39,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:18:37" (1/3) ... [2021-11-21 01:18:39,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd76083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:18:39, skipping insertion in model container [2021-11-21 01:18:39,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:37" (2/3) ... [2021-11-21 01:18:39,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd76083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:18:39, skipping insertion in model container [2021-11-21 01:18:39,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:18:39" (3/3) ... [2021-11-21 01:18:39,335 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2021-11-21 01:18:39,343 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-21 01:18:39,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:18:39,344 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:18:39,344 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-21 01:18:39,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,463 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,463 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,464 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,465 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,466 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,467 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,468 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,480 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,481 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,482 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,483 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,484 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,485 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,486 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,487 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,488 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,491 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,492 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,493 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,494 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,495 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,503 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,503 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,504 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,505 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,505 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,506 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,507 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,508 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,508 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,508 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,508 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,518 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,518 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,519 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,519 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,519 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,520 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,521 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,521 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,521 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,521 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,522 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,524 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,524 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,524 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,524 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,525 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,525 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,525 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,525 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,525 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,525 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,525 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,526 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,527 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,527 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,527 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,527 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,527 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,527 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,527 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,528 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,528 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,528 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,528 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,529 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,530 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,531 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,531 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,531 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,531 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,531 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,531 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,532 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,532 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,532 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,532 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,533 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,533 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,533 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,534 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,534 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,534 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,534 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,534 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,535 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,535 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,535 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,536 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,536 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,536 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,536 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,536 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,537 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,537 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,537 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,538 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,538 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,538 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,538 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,539 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,539 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,539 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,539 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,539 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,540 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,540 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,540 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,541 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,541 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,541 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,541 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,541 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,542 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,542 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,542 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,542 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,543 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,543 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,543 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,543 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,544 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,544 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,558 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,558 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,559 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,559 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,559 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,559 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,560 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,560 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,560 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,560 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,561 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,561 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,561 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,561 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,561 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,562 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,562 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,562 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,563 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,563 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,563 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,563 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,564 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,564 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,564 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,564 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,565 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,565 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,565 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,565 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,566 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,566 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,566 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,566 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,567 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,567 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,567 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,567 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,568 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,568 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,568 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,568 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,568 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,569 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,569 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,569 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,569 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,570 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,570 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,570 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,570 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,570 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,571 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,571 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,571 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,572 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,573 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,573 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,573 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,573 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,574 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,574 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,574 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,574 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,574 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,575 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,575 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,575 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,575 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,576 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,576 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,576 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,576 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,577 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,577 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,577 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,577 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,578 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,578 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,578 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,578 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,579 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,579 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,579 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,579 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,580 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,580 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,580 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,580 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,580 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,588 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,588 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,589 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,589 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,589 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,589 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,590 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,590 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,590 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,590 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,591 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,591 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,591 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,595 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,601 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,601 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,601 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,601 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,601 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,602 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,602 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,603 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,603 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,603 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,603 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,604 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,604 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,604 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,604 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,606 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,606 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,606 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,607 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~pre26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,607 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,607 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,607 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,608 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,608 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,608 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,608 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,612 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,612 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,613 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,613 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,613 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,613 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,614 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,614 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,614 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,614 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,614 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,615 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,615 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,615 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,615 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,623 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,624 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,624 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,624 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,624 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,625 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,625 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,625 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,625 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,625 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,626 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,626 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,626 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,627 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,627 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,627 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,628 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,628 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,628 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,628 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,629 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,629 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,629 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,629 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,629 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,630 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:18:39,644 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-11-21 01:18:39,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:18:39,718 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 [2021-11-21 01:18:39,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-21 01:18:39,742 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-21 01:18:39,759 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 311 transitions, 694 flow [2021-11-21 01:18:39,763 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 311 transitions, 694 flow [2021-11-21 01:18:39,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 311 transitions, 694 flow [2021-11-21 01:18:39,962 INFO L129 PetriNetUnfolder]: 21/265 cut-off events. [2021-11-21 01:18:39,962 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-21 01:18:39,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 265 events. 21/265 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 289 event pairs, 0 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 225. Up to 3 conditions per place. [2021-11-21 01:18:39,988 INFO L116 LiptonReduction]: Number of co-enabled transitions 8600 [2021-11-21 01:18:53,221 INFO L131 LiptonReduction]: Checked pairs total: 33074 [2021-11-21 01:18:53,221 INFO L133 LiptonReduction]: Total number of compositions: 285 [2021-11-21 01:18:53,247 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 79 transitions, 230 flow [2021-11-21 01:18:53,404 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2245 states, 2244 states have (on average 4.2174688057041) internal successors, (9464), 2244 states have internal predecessors, (9464), 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) [2021-11-21 01:18:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 2245 states, 2244 states have (on average 4.2174688057041) internal successors, (9464), 2244 states have internal predecessors, (9464), 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) [2021-11-21 01:18:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 01:18:53,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:53,467 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:53,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:18:53,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:53,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1211736675, now seen corresponding path program 1 times [2021-11-21 01:18:53,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:53,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984182870] [2021-11-21 01:18:53,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:53,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:53,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:53,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984182870] [2021-11-21 01:18:53,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984182870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:53,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:53,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:53,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863399623] [2021-11-21 01:18:53,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:53,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:18:53,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:53,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:18:53,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:18:53,988 INFO L87 Difference]: Start difference. First operand has 2245 states, 2244 states have (on average 4.2174688057041) internal successors, (9464), 2244 states have internal predecessors, (9464), 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, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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) [2021-11-21 01:18:54,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:54,197 INFO L93 Difference]: Finished difference Result 2245 states and 9396 transitions. [2021-11-21 01:18:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:18:54,200 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-21 01:18:54,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:54,266 INFO L225 Difference]: With dead ends: 2245 [2021-11-21 01:18:54,266 INFO L226 Difference]: Without dead ends: 2245 [2021-11-21 01:18:54,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:18:54,273 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:54,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:54,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2021-11-21 01:18:54,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2245. [2021-11-21 01:18:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 2244 states have (on average 4.18716577540107) internal successors, (9396), 2244 states have internal predecessors, (9396), 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) [2021-11-21 01:18:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 9396 transitions. [2021-11-21 01:18:54,519 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 9396 transitions. Word has length 51 [2021-11-21 01:18:54,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:54,521 INFO L470 AbstractCegarLoop]: Abstraction has 2245 states and 9396 transitions. [2021-11-21 01:18:54,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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) [2021-11-21 01:18:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 9396 transitions. [2021-11-21 01:18:54,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:18:54,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:54,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:54,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:18:54,538 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:18:54,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:54,542 INFO L85 PathProgramCache]: Analyzing trace with hash -522057223, now seen corresponding path program 1 times [2021-11-21 01:18:54,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:54,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497604970] [2021-11-21 01:18:54,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:54,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:54,972 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:54,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497604970] [2021-11-21 01:18:54,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497604970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:54,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:54,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:18:54,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608048534] [2021-11-21 01:18:54,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:54,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:18:54,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:54,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:18:54,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:18:54,979 INFO L87 Difference]: Start difference. First operand 2245 states and 9396 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 01:18:55,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:55,250 INFO L93 Difference]: Finished difference Result 4355 states and 17355 transitions. [2021-11-21 01:18:55,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:18:55,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-21 01:18:55,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:55,342 INFO L225 Difference]: With dead ends: 4355 [2021-11-21 01:18:55,342 INFO L226 Difference]: Without dead ends: 2246 [2021-11-21 01:18:55,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:18:55,344 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 63 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:55,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 66 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:18:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2021-11-21 01:18:55,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2246. [2021-11-21 01:18:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2246 states, 2245 states have (on average 4.1857461024498885) internal successors, (9397), 2245 states have internal predecessors, (9397), 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) [2021-11-21 01:18:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 9397 transitions. [2021-11-21 01:18:55,516 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 9397 transitions. Word has length 52 [2021-11-21 01:18:55,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:55,516 INFO L470 AbstractCegarLoop]: Abstraction has 2246 states and 9397 transitions. [2021-11-21 01:18:55,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 01:18:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 9397 transitions. [2021-11-21 01:18:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 01:18:55,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:55,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:55,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:18:55,534 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:18:55,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2087243612, now seen corresponding path program 1 times [2021-11-21 01:18:55,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:55,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546844601] [2021-11-21 01:18:55,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:55,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:18:55,873 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:55,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546844601] [2021-11-21 01:18:55,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546844601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:55,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:55,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:18:55,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913885419] [2021-11-21 01:18:55,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:55,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:18:55,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:55,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:18:55,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:18:55,876 INFO L87 Difference]: Start difference. First operand 2246 states and 9397 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2021-11-21 01:18:56,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:56,298 INFO L93 Difference]: Finished difference Result 6027 states and 25932 transitions. [2021-11-21 01:18:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:18:56,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 53 [2021-11-21 01:18:56,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:56,372 INFO L225 Difference]: With dead ends: 6027 [2021-11-21 01:18:56,372 INFO L226 Difference]: Without dead ends: 5986 [2021-11-21 01:18:56,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:18:56,374 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 158 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:56,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 123 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:18:56,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5986 states. [2021-11-21 01:18:56,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5986 to 4162. [2021-11-21 01:18:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4162 states, 4161 states have (on average 4.297764960346071) internal successors, (17883), 4161 states have internal predecessors, (17883), 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) [2021-11-21 01:18:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4162 states to 4162 states and 17883 transitions. [2021-11-21 01:18:56,621 INFO L78 Accepts]: Start accepts. Automaton has 4162 states and 17883 transitions. Word has length 53 [2021-11-21 01:18:56,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:56,622 INFO L470 AbstractCegarLoop]: Abstraction has 4162 states and 17883 transitions. [2021-11-21 01:18:56,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2021-11-21 01:18:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4162 states and 17883 transitions. [2021-11-21 01:18:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 01:18:56,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:56,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:56,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:18:56,643 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:18:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1476639642, now seen corresponding path program 2 times [2021-11-21 01:18:56,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:56,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107827369] [2021-11-21 01:18:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:56,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:56,949 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:56,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107827369] [2021-11-21 01:18:56,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107827369] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:18:56,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293816002] [2021-11-21 01:18:56,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 01:18:56,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:18:56,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:18:56,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:18:56,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:18:57,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-21 01:18:57,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:18:57,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 01:18:57,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:18:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:18:58,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:18:58,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293816002] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:58,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:18:58,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-11-21 01:18:58,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980254618] [2021-11-21 01:18:58,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:58,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:18:58,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:58,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:18:58,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:18:58,012 INFO L87 Difference]: Start difference. First operand 4162 states and 17883 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2021-11-21 01:18:58,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:58,291 INFO L93 Difference]: Finished difference Result 4363 states and 18454 transitions. [2021-11-21 01:18:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:18:58,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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 53 [2021-11-21 01:18:58,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:58,351 INFO L225 Difference]: With dead ends: 4363 [2021-11-21 01:18:58,351 INFO L226 Difference]: Without dead ends: 4210 [2021-11-21 01:18:58,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:18:58,356 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 43 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:58,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 112 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:18:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2021-11-21 01:18:58,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 4210. [2021-11-21 01:18:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4210 states, 4209 states have (on average 4.232359230220955) internal successors, (17814), 4209 states have internal predecessors, (17814), 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) [2021-11-21 01:18:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4210 states to 4210 states and 17814 transitions. [2021-11-21 01:18:58,631 INFO L78 Accepts]: Start accepts. Automaton has 4210 states and 17814 transitions. Word has length 53 [2021-11-21 01:18:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:58,632 INFO L470 AbstractCegarLoop]: Abstraction has 4210 states and 17814 transitions. [2021-11-21 01:18:58,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2021-11-21 01:18:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4210 states and 17814 transitions. [2021-11-21 01:18:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 01:18:58,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:58,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:58,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:18:58,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:18:58,880 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:18:58,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:58,881 INFO L85 PathProgramCache]: Analyzing trace with hash 663378663, now seen corresponding path program 1 times [2021-11-21 01:18:58,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:58,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425855205] [2021-11-21 01:18:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:58,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:59,069 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:59,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425855205] [2021-11-21 01:18:59,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425855205] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:18:59,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465585173] [2021-11-21 01:18:59,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:59,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:18:59,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:18:59,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:18:59,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:18:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:59,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 01:18:59,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:18:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:59,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:18:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:59,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465585173] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:18:59,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [732428454] [2021-11-21 01:18:59,765 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:18:59,768 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:18:59,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2021-11-21 01:18:59,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355937109] [2021-11-21 01:18:59,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:18:59,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:18:59,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:59,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:18:59,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:18:59,773 INFO L87 Difference]: Start difference. First operand 4210 states and 17814 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2021-11-21 01:19:00,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:00,316 INFO L93 Difference]: Finished difference Result 9180 states and 37194 transitions. [2021-11-21 01:19:00,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:19:00,317 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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 54 [2021-11-21 01:19:00,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:00,382 INFO L225 Difference]: With dead ends: 9180 [2021-11-21 01:19:00,382 INFO L226 Difference]: Without dead ends: 8766 [2021-11-21 01:19:00,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:19:00,383 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 277 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:00,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 239 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 01:19:00,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8766 states. [2021-11-21 01:19:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8766 to 6558. [2021-11-21 01:19:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6558 states, 6557 states have (on average 4.157694067408876) internal successors, (27262), 6557 states have internal predecessors, (27262), 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) [2021-11-21 01:19:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 27262 transitions. [2021-11-21 01:19:00,843 INFO L78 Accepts]: Start accepts. Automaton has 6558 states and 27262 transitions. Word has length 54 [2021-11-21 01:19:00,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:00,843 INFO L470 AbstractCegarLoop]: Abstraction has 6558 states and 27262 transitions. [2021-11-21 01:19:00,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2021-11-21 01:19:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand 6558 states and 27262 transitions. [2021-11-21 01:19:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 01:19:00,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:00,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:01,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:01,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:01,200 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:19:01,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:01,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1843427909, now seen corresponding path program 1 times [2021-11-21 01:19:01,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:01,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232645021] [2021-11-21 01:19:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:01,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:19:01,366 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:01,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232645021] [2021-11-21 01:19:01,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232645021] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:01,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617723692] [2021-11-21 01:19:01,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:01,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:01,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:01,368 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:01,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:19:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:01,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 01:19:01,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:01,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:19:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:02,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617723692] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:19:02,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [719559969] [2021-11-21 01:19:02,049 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:19:02,051 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:19:02,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2021-11-21 01:19:02,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663346697] [2021-11-21 01:19:02,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:19:02,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:19:02,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:02,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:19:02,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:19:02,054 INFO L87 Difference]: Start difference. First operand 6558 states and 27262 transitions. Second operand has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 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) [2021-11-21 01:19:02,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:02,856 INFO L93 Difference]: Finished difference Result 7216 states and 29203 transitions. [2021-11-21 01:19:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-21 01:19:02,857 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 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 54 [2021-11-21 01:19:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:02,891 INFO L225 Difference]: With dead ends: 7216 [2021-11-21 01:19:02,892 INFO L226 Difference]: Without dead ends: 4709 [2021-11-21 01:19:02,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:19:02,893 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 188 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:02,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 421 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:19:02,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4709 states. [2021-11-21 01:19:03,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4709 to 3403. [2021-11-21 01:19:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3403 states, 3402 states have (on average 4.311581422692534) internal successors, (14668), 3402 states have internal predecessors, (14668), 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) [2021-11-21 01:19:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 3403 states and 14668 transitions. [2021-11-21 01:19:03,327 INFO L78 Accepts]: Start accepts. Automaton has 3403 states and 14668 transitions. Word has length 54 [2021-11-21 01:19:03,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:03,327 INFO L470 AbstractCegarLoop]: Abstraction has 3403 states and 14668 transitions. [2021-11-21 01:19:03,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 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) [2021-11-21 01:19:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3403 states and 14668 transitions. [2021-11-21 01:19:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 01:19:03,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:03,374 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:03,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 01:19:03,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:03,575 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:19:03,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:03,576 INFO L85 PathProgramCache]: Analyzing trace with hash -59419766, now seen corresponding path program 2 times [2021-11-21 01:19:03,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:03,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858080388] [2021-11-21 01:19:03,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:03,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:19:03,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:03,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858080388] [2021-11-21 01:19:03,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858080388] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:03,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154566952] [2021-11-21 01:19:03,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 01:19:03,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:03,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:03,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:03,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:19:03,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-21 01:19:03,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:19:03,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 01:19:03,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:19:04,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:19:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:19:04,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154566952] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:04,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:19:04,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-11-21 01:19:04,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147917058] [2021-11-21 01:19:04,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:19:04,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:19:04,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:04,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:19:04,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:19:04,639 INFO L87 Difference]: Start difference. First operand 3403 states and 14668 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-11-21 01:19:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:05,067 INFO L93 Difference]: Finished difference Result 7605 states and 34328 transitions. [2021-11-21 01:19:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:19:05,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 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 55 [2021-11-21 01:19:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:05,141 INFO L225 Difference]: With dead ends: 7605 [2021-11-21 01:19:05,141 INFO L226 Difference]: Without dead ends: 6905 [2021-11-21 01:19:05,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:19:05,143 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 104 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:05,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 95 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:19:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6905 states. [2021-11-21 01:19:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6905 to 5103. [2021-11-21 01:19:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5103 states, 5102 states have (on average 4.449431595452763) internal successors, (22701), 5102 states have internal predecessors, (22701), 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) [2021-11-21 01:19:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 5103 states and 22701 transitions. [2021-11-21 01:19:05,398 INFO L78 Accepts]: Start accepts. Automaton has 5103 states and 22701 transitions. Word has length 55 [2021-11-21 01:19:05,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:05,398 INFO L470 AbstractCegarLoop]: Abstraction has 5103 states and 22701 transitions. [2021-11-21 01:19:05,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-11-21 01:19:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 22701 transitions. [2021-11-21 01:19:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:19:05,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:05,419 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:05,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:05,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-21 01:19:05,640 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:19:05,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:05,641 INFO L85 PathProgramCache]: Analyzing trace with hash 329484109, now seen corresponding path program 1 times [2021-11-21 01:19:05,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:05,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328833721] [2021-11-21 01:19:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:05,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:06,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:06,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328833721] [2021-11-21 01:19:06,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328833721] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:06,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142527886] [2021-11-21 01:19:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:06,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:06,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:06,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:06,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:19:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:06,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-21 01:19:06,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:07,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-21 01:19:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:19:07,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:19:07,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:19:07,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2021-11-21 01:19:07,958 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-21 01:19:07,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 15 [2021-11-21 01:19:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:19:08,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142527886] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:19:08,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [204761124] [2021-11-21 01:19:08,235 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:19:08,236 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:19:08,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 6] total 19 [2021-11-21 01:19:08,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342336165] [2021-11-21 01:19:08,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:19:08,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-21 01:19:08,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:08,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-21 01:19:08,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-11-21 01:19:08,239 INFO L87 Difference]: Start difference. First operand 5103 states and 22701 transitions. Second operand has 20 states, 19 states have (on average 8.263157894736842) internal successors, (157), 20 states have internal predecessors, (157), 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) [2021-11-21 01:19:12,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:12,484 INFO L93 Difference]: Finished difference Result 27760 states and 125058 transitions. [2021-11-21 01:19:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-21 01:19:12,485 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.263157894736842) internal successors, (157), 20 states have internal predecessors, (157), 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 56 [2021-11-21 01:19:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:12,798 INFO L225 Difference]: With dead ends: 27760 [2021-11-21 01:19:12,799 INFO L226 Difference]: Without dead ends: 27555 [2021-11-21 01:19:12,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=314, Invalid=1848, Unknown=0, NotChecked=0, Total=2162 [2021-11-21 01:19:12,802 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 1362 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 2505 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:12,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1362 Valid, 819 Invalid, 2583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2505 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 01:19:12,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27555 states. [2021-11-21 01:19:13,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27555 to 6975. [2021-11-21 01:19:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6975 states, 6974 states have (on average 4.610696874103814) internal successors, (32155), 6974 states have internal predecessors, (32155), 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) [2021-11-21 01:19:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6975 states to 6975 states and 32155 transitions. [2021-11-21 01:19:13,729 INFO L78 Accepts]: Start accepts. Automaton has 6975 states and 32155 transitions. Word has length 56 [2021-11-21 01:19:13,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:13,730 INFO L470 AbstractCegarLoop]: Abstraction has 6975 states and 32155 transitions. [2021-11-21 01:19:13,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.263157894736842) internal successors, (157), 20 states have internal predecessors, (157), 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) [2021-11-21 01:19:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6975 states and 32155 transitions. [2021-11-21 01:19:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:19:13,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:13,757 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:13,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:13,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-21 01:19:13,984 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:19:13,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:13,985 INFO L85 PathProgramCache]: Analyzing trace with hash -281119861, now seen corresponding path program 2 times [2021-11-21 01:19:13,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:13,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796014960] [2021-11-21 01:19:13,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:13,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:14,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:14,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796014960] [2021-11-21 01:19:14,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796014960] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:14,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253488682] [2021-11-21 01:19:14,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 01:19:14,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:14,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:14,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:14,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:19:14,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-21 01:19:14,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:19:14,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-21 01:19:14,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:15,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-21 01:19:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:19:15,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:19:16,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:19:16,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2021-11-21 01:19:16,309 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-21 01:19:16,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 14 [2021-11-21 01:19:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:19:16,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253488682] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:19:16,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1023503227] [2021-11-21 01:19:16,648 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:19:16,649 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:19:16,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2021-11-21 01:19:16,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494786633] [2021-11-21 01:19:16,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:19:16,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-21 01:19:16,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:16,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-21 01:19:16,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-11-21 01:19:16,651 INFO L87 Difference]: Start difference. First operand 6975 states and 32155 transitions. Second operand has 19 states, 18 states have (on average 8.555555555555555) internal successors, (154), 19 states have internal predecessors, (154), 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) [2021-11-21 01:19:20,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:20,710 INFO L93 Difference]: Finished difference Result 31923 states and 143155 transitions. [2021-11-21 01:19:20,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-21 01:19:20,711 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 8.555555555555555) internal successors, (154), 19 states have internal predecessors, (154), 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 56 [2021-11-21 01:19:20,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:20,853 INFO L225 Difference]: With dead ends: 31923 [2021-11-21 01:19:20,854 INFO L226 Difference]: Without dead ends: 30895 [2021-11-21 01:19:20,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=441, Invalid=2315, Unknown=0, NotChecked=0, Total=2756 [2021-11-21 01:19:20,856 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 1549 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 2554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:20,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1549 Valid, 748 Invalid, 2554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2459 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:19:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30895 states. [2021-11-21 01:19:21,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30895 to 8421. [2021-11-21 01:19:21,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8421 states, 8420 states have (on average 4.755581947743468) internal successors, (40042), 8420 states have internal predecessors, (40042), 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) [2021-11-21 01:19:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8421 states to 8421 states and 40042 transitions. [2021-11-21 01:19:21,913 INFO L78 Accepts]: Start accepts. Automaton has 8421 states and 40042 transitions. Word has length 56 [2021-11-21 01:19:21,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:21,915 INFO L470 AbstractCegarLoop]: Abstraction has 8421 states and 40042 transitions. [2021-11-21 01:19:21,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 8.555555555555555) internal successors, (154), 19 states have internal predecessors, (154), 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) [2021-11-21 01:19:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 8421 states and 40042 transitions. [2021-11-21 01:19:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:19:21,952 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:21,952 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:21,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:22,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:22,173 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:19:22,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash 229741749, now seen corresponding path program 3 times [2021-11-21 01:19:22,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:22,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313008421] [2021-11-21 01:19:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:22,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:22,925 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:22,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313008421] [2021-11-21 01:19:22,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313008421] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:22,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979113226] [2021-11-21 01:19:22,926 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-21 01:19:22,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:22,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:22,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:22,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:19:23,146 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-21 01:19:23,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:19:23,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-21 01:19:23,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:23,199 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-21 01:19:23,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 16 [2021-11-21 01:19:23,567 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:19:23,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:19:23,664 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-21 01:19:23,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 26 [2021-11-21 01:19:24,295 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-21 01:19:24,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 26 [2021-11-21 01:19:24,386 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-21 01:19:24,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2021-11-21 01:19:25,065 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-21 01:19:25,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-21 01:19:25,155 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:19:25,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2021-11-21 01:19:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:25,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:19:30,900 INFO L354 Elim1Store]: treesize reduction 12, result has 25.0 percent of original size [2021-11-21 01:19:30,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 114 [2021-11-21 01:19:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:31,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979113226] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:19:31,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2100184478] [2021-11-21 01:19:31,829 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:19:31,830 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:19:31,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 28 [2021-11-21 01:19:31,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855888056] [2021-11-21 01:19:31,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:19:31,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-21 01:19:31,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:31,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-21 01:19:31,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=771, Unknown=1, NotChecked=0, Total=870 [2021-11-21 01:19:31,833 INFO L87 Difference]: Start difference. First operand 8421 states and 40042 transitions. Second operand has 30 states, 29 states have (on average 5.068965517241379) internal successors, (147), 29 states have internal predecessors, (147), 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) [2021-11-21 01:19:34,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:34,148 INFO L93 Difference]: Finished difference Result 19034 states and 90086 transitions. [2021-11-21 01:19:34,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-21 01:19:34,149 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 5.068965517241379) internal successors, (147), 29 states have internal predecessors, (147), 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 56 [2021-11-21 01:19:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:34,205 INFO L225 Difference]: With dead ends: 19034 [2021-11-21 01:19:34,205 INFO L226 Difference]: Without dead ends: 18988 [2021-11-21 01:19:34,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 87 SyntacticMatches, 8 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=243, Invalid=1736, Unknown=1, NotChecked=0, Total=1980 [2021-11-21 01:19:34,207 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 548 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1501 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:34,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 819 Invalid, 3104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1594 Invalid, 0 Unknown, 1501 Unchecked, 1.3s Time] [2021-11-21 01:19:34,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18988 states. [2021-11-21 01:19:34,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18988 to 9479. [2021-11-21 01:19:34,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9479 states, 9478 states have (on average 4.709221354716185) internal successors, (44634), 9478 states have internal predecessors, (44634), 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) [2021-11-21 01:19:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9479 states to 9479 states and 44634 transitions. [2021-11-21 01:19:34,664 INFO L78 Accepts]: Start accepts. Automaton has 9479 states and 44634 transitions. Word has length 56 [2021-11-21 01:19:34,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:34,664 INFO L470 AbstractCegarLoop]: Abstraction has 9479 states and 44634 transitions. [2021-11-21 01:19:34,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 5.068965517241379) internal successors, (147), 29 states have internal predecessors, (147), 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) [2021-11-21 01:19:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 9479 states and 44634 transitions. [2021-11-21 01:19:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:19:34,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:34,696 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:34,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:34,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-21 01:19:34,897 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:19:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:34,898 INFO L85 PathProgramCache]: Analyzing trace with hash -380862221, now seen corresponding path program 4 times [2021-11-21 01:19:34,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:34,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314130309] [2021-11-21 01:19:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:34,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:35,509 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:35,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314130309] [2021-11-21 01:19:35,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314130309] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:35,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825802353] [2021-11-21 01:19:35,509 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-21 01:19:35,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:35,513 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:35,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-21 01:19:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:35,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-21 01:19:35,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:36,676 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-21 01:19:36,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2021-11-21 01:19:36,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-21 01:19:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:19:36,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:19:48,357 WARN L227 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 01:19:48,547 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:19:48,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2021-11-21 01:19:48,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:19:48,615 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-21 01:19:48,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 14 [2021-11-21 01:19:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:19:49,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825802353] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:19:49,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [525406161] [2021-11-21 01:19:49,269 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:19:49,270 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:19:49,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2021-11-21 01:19:49,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785191421] [2021-11-21 01:19:49,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:19:49,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-21 01:19:49,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:19:49,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-21 01:19:49,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=564, Unknown=2, NotChecked=0, Total=650 [2021-11-21 01:19:49,273 INFO L87 Difference]: Start difference. First operand 9479 states and 44634 transitions. Second operand has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 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) [2021-11-21 01:19:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:19:54,595 INFO L93 Difference]: Finished difference Result 41064 states and 186759 transitions. [2021-11-21 01:19:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-21 01:19:54,595 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 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 56 [2021-11-21 01:19:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:19:54,766 INFO L225 Difference]: With dead ends: 41064 [2021-11-21 01:19:54,767 INFO L226 Difference]: Without dead ends: 40691 [2021-11-21 01:19:54,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 94 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=734, Invalid=3820, Unknown=2, NotChecked=0, Total=4556 [2021-11-21 01:19:54,770 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 1845 mSDsluCounter, 2901 mSDsCounter, 0 mSdLazyCounter, 3630 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 3832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:19:54,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1845 Valid, 873 Invalid, 3832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3630 Invalid, 0 Unknown, 71 Unchecked, 2.8s Time] [2021-11-21 01:19:54,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40691 states. [2021-11-21 01:19:55,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40691 to 10809. [2021-11-21 01:19:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10809 states, 10808 states have (on average 4.798297557364915) internal successors, (51860), 10808 states have internal predecessors, (51860), 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) [2021-11-21 01:19:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10809 states to 10809 states and 51860 transitions. [2021-11-21 01:19:55,901 INFO L78 Accepts]: Start accepts. Automaton has 10809 states and 51860 transitions. Word has length 56 [2021-11-21 01:19:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:19:55,901 INFO L470 AbstractCegarLoop]: Abstraction has 10809 states and 51860 transitions. [2021-11-21 01:19:55,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 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) [2021-11-21 01:19:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 10809 states and 51860 transitions. [2021-11-21 01:19:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:19:55,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:19:55,938 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:19:55,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-21 01:19:56,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:56,142 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:19:56,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:19:56,143 INFO L85 PathProgramCache]: Analyzing trace with hash -52293793, now seen corresponding path program 1 times [2021-11-21 01:19:56,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:19:56,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052887030] [2021-11-21 01:19:56,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:56,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:19:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:19:56,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:56,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052887030] [2021-11-21 01:19:56,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052887030] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:56,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985889096] [2021-11-21 01:19:56,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:19:56,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:19:56,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:19:56,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:19:56,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-21 01:19:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:19:57,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-21 01:19:57,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:19:58,028 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-21 01:19:58,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2021-11-21 01:19:58,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-21 01:19:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:19:58,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:19:59,531 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thread4Thread1of1ForFork3_#t~pre26#1| Int) (|thread4Thread1of1ForFork3_~#t6~0#1.offset| Int)) (< (+ c_~s12~0 c_~s22~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork3_~#t6~0#1.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork3_~#t6~0#1.base|) |thread4Thread1of1ForFork3_~#t6~0#1.offset| |thread4Thread1of1ForFork3_#t~pre26#1|)) c_~x~0.base) (+ c_~x~0.offset (* c_~i2~0 4) 4))) (+ c_~s11~0 c_~s21~0 1))) (forall ((|thread4Thread1of1ForFork3_#t~pre26#1| Int) (|thread4Thread1of1ForFork3_~#t6~0#1.offset| Int)) (<= (+ c_~s11~0 c_~s21~0) (+ c_~s12~0 c_~s22~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork3_~#t6~0#1.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork3_~#t6~0#1.base|) |thread4Thread1of1ForFork3_~#t6~0#1.offset| |thread4Thread1of1ForFork3_#t~pre26#1|)) c_~x~0.base) (+ c_~x~0.offset (* c_~i2~0 4) 4)))))) is different from false [2021-11-21 01:19:59,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:19:59,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2021-11-21 01:19:59,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:19:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:59,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 7 [2021-11-21 01:20:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2021-11-21 01:20:00,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985889096] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:20:00,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1960229080] [2021-11-21 01:20:00,315 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:20:00,315 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:20:00,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2021-11-21 01:20:00,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833842522] [2021-11-21 01:20:00,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:20:00,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-21 01:20:00,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:20:00,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-21 01:20:00,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=535, Unknown=1, NotChecked=46, Total=650 [2021-11-21 01:20:00,318 INFO L87 Difference]: Start difference. First operand 10809 states and 51860 transitions. Second operand has 26 states, 25 states have (on average 6.4) internal successors, (160), 25 states have internal predecessors, (160), 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) [2021-11-21 01:20:08,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:20:08,352 INFO L93 Difference]: Finished difference Result 38137 states and 178865 transitions. [2021-11-21 01:20:08,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-21 01:20:08,352 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.4) internal successors, (160), 25 states have internal predecessors, (160), 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 56 [2021-11-21 01:20:08,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:20:08,526 INFO L225 Difference]: With dead ends: 38137 [2021-11-21 01:20:08,526 INFO L226 Difference]: Without dead ends: 37545 [2021-11-21 01:20:08,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 94 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 1 IntricatePredicates, 2 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=627, Invalid=3666, Unknown=1, NotChecked=128, Total=4422 [2021-11-21 01:20:08,528 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 1406 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 6354 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 7597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 6354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1139 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:20:08,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1406 Valid, 1478 Invalid, 7597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 6354 Invalid, 0 Unknown, 1139 Unchecked, 4.4s Time] [2021-11-21 01:20:08,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37545 states. [2021-11-21 01:20:09,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37545 to 13904. [2021-11-21 01:20:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13904 states, 13903 states have (on average 4.86276343235273) internal successors, (67607), 13903 states have internal predecessors, (67607), 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) [2021-11-21 01:20:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13904 states to 13904 states and 67607 transitions. [2021-11-21 01:20:09,340 INFO L78 Accepts]: Start accepts. Automaton has 13904 states and 67607 transitions. Word has length 56 [2021-11-21 01:20:09,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:20:09,340 INFO L470 AbstractCegarLoop]: Abstraction has 13904 states and 67607 transitions. [2021-11-21 01:20:09,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.4) internal successors, (160), 25 states have internal predecessors, (160), 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) [2021-11-21 01:20:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 13904 states and 67607 transitions. [2021-11-21 01:20:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:20:09,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:20:09,375 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:20:09,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-21 01:20:09,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-21 01:20:09,579 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:20:09,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:20:09,580 INFO L85 PathProgramCache]: Analyzing trace with hash -252688333, now seen corresponding path program 5 times [2021-11-21 01:20:09,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:20:09,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253864358] [2021-11-21 01:20:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:20:09,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:20:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:20:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:20:10,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:20:10,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253864358] [2021-11-21 01:20:10,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253864358] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:20:10,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899881110] [2021-11-21 01:20:10,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 01:20:10,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:20:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:20:10,192 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:20:10,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-21 01:20:10,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-21 01:20:10,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:20:10,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-21 01:20:10,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:20:11,564 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-21 01:20:11,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-21 01:20:11,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-11-21 01:20:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:20:11,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:20:22,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:20:22,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2021-11-21 01:20:22,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:20:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:22,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 7 [2021-11-21 01:20:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:20:23,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899881110] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:20:23,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [42308199] [2021-11-21 01:20:23,019 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:20:23,020 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:20:23,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2021-11-21 01:20:23,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950981369] [2021-11-21 01:20:23,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:20:23,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-21 01:20:23,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:20:23,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-21 01:20:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=563, Unknown=6, NotChecked=0, Total=650 [2021-11-21 01:20:23,022 INFO L87 Difference]: Start difference. First operand 13904 states and 67607 transitions. Second operand has 26 states, 25 states have (on average 6.24) internal successors, (156), 25 states have internal predecessors, (156), 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) [2021-11-21 01:20:27,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:20:27,579 INFO L93 Difference]: Finished difference Result 40384 states and 188802 transitions. [2021-11-21 01:20:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-21 01:20:27,580 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.24) internal successors, (156), 25 states have internal predecessors, (156), 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 56 [2021-11-21 01:20:27,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:20:27,766 INFO L225 Difference]: With dead ends: 40384 [2021-11-21 01:20:27,767 INFO L226 Difference]: Without dead ends: 40110 [2021-11-21 01:20:27,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 94 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=459, Invalid=3317, Unknown=6, NotChecked=0, Total=3782 [2021-11-21 01:20:27,769 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 2217 mSDsluCounter, 2594 mSDsCounter, 0 mSdLazyCounter, 3177 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 3383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 50 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:20:27,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2217 Valid, 828 Invalid, 3383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 3177 Invalid, 0 Unknown, 50 Unchecked, 2.6s Time] [2021-11-21 01:20:27,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40110 states. [2021-11-21 01:20:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40110 to 17404. [2021-11-21 01:20:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17404 states, 17403 states have (on average 4.914842268574383) internal successors, (85533), 17403 states have internal predecessors, (85533), 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) [2021-11-21 01:20:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17404 states to 17404 states and 85533 transitions. [2021-11-21 01:20:28,776 INFO L78 Accepts]: Start accepts. Automaton has 17404 states and 85533 transitions. Word has length 56 [2021-11-21 01:20:28,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:20:28,776 INFO L470 AbstractCegarLoop]: Abstraction has 17404 states and 85533 transitions. [2021-11-21 01:20:28,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.24) internal successors, (156), 25 states have internal predecessors, (156), 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) [2021-11-21 01:20:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 17404 states and 85533 transitions. [2021-11-21 01:20:28,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:20:28,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:20:28,819 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:20:28,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-21 01:20:29,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-21 01:20:29,020 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err2INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-21 01:20:29,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:20:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash -863292303, now seen corresponding path program 6 times [2021-11-21 01:20:29,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:20:29,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839047366] [2021-11-21 01:20:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:20:29,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:20:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:20:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:20:29,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:20:29,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839047366] [2021-11-21 01:20:29,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839047366] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:20:29,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644523001] [2021-11-21 01:20:29,621 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-21 01:20:29,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:20:29,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:20:29,623 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:20:29,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc607e5-d88c-41e2-84cf-24469daed493/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-21 01:20:29,778 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-21 01:20:29,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:20:29,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-21 01:20:29,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:20:29,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:29,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:29,805 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 01:20:29,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 16 [2021-11-21 01:20:29,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2021-11-21 01:20:30,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-21 01:20:30,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:30,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:30,190 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:20:30,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2021-11-21 01:20:30,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:30,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:20:30,339 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-11-21 01:20:30,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-11-21 01:20:30,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-21 01:20:30,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-21 01:20:31,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-21 01:20:31,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:20:31,453 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-21 01:20:31,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-21 01:20:31,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:20:31,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-11-21 01:20:31,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:20:31,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:22:11,464 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:22:11,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 193565020138 treesize of output 192558387192