./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8 --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 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:19:41,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:41,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:41,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:41,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:41,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:41,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:41,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:41,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:41,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:41,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:41,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:41,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:41,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:41,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:41,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:41,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:41,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:41,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:41,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:41,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:41,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:41,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:41,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:41,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:41,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:41,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:41,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:41,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:41,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:41,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:41,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:41,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:41,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:41,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:41,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:41,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:41,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:41,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:41,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:41,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:41,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:19:41,244 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:41,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:41,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:41,250 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:41,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:41,250 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:41,250 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:19:41,251 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:41,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:41,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:19:41,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:19:41,253 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:41,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:19:41,254 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:19:41,254 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:19:41,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:41,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:41,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:19:41,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:41,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:41,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:41,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:41,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:41,257 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:41,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:41,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:41,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:41,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:41,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:41,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:41,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:41,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:41,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:41,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:41,262 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:19:41,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:19:41,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:41,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:41,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:41,263 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_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 [2021-11-07 02:19:41,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:41,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:41,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:41,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:41,631 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:41,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2021-11-07 02:19:41,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/data/cc7822257/baea02672db54bc3a8680ea7fb21fab4/FLAGaf112116c [2021-11-07 02:19:42,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:42,435 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2021-11-07 02:19:42,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/data/cc7822257/baea02672db54bc3a8680ea7fb21fab4/FLAGaf112116c [2021-11-07 02:19:42,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/data/cc7822257/baea02672db54bc3a8680ea7fb21fab4 [2021-11-07 02:19:42,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:42,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:42,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:42,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:42,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:42,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:42" (1/1) ... [2021-11-07 02:19:42,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19612f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:42, skipping insertion in model container [2021-11-07 02:19:42,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:42" (1/1) ... [2021-11-07 02:19:42,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:42,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:43,359 WARN L228 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_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i[41323,41336] [2021-11-07 02:19:43,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:43,411 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:43,475 WARN L228 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_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i[41323,41336] [2021-11-07 02:19:43,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:43,606 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:43,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43 WrapperNode [2021-11-07 02:19:43,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:43,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:43,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:43,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:43,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:43,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:19:43,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:19:43,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:19:43,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:19:43,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:19:43,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:19:43,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:19:43,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (1/1) ... [2021-11-07 02:19:43,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:43,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:43,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:19:43,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:19:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:19:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:19:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:19:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:19:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 02:19:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 02:19:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 02:19:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:19:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:19:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:19:43,942 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 02:19:44,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:19:44,504 INFO L299 CfgBuilder]: Removed 35 assume(true) statements. [2021-11-07 02:19:44,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:44 BoogieIcfgContainer [2021-11-07 02:19:44,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:19:44,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:19:44,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:19:44,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:19:44,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:19:42" (1/3) ... [2021-11-07 02:19:44,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e1776e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:44, skipping insertion in model container [2021-11-07 02:19:44,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:43" (2/3) ... [2021-11-07 02:19:44,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e1776e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:44, skipping insertion in model container [2021-11-07 02:19:44,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:44" (3/3) ... [2021-11-07 02:19:44,517 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_74-tricky_address1_racefree.i [2021-11-07 02:19:44,524 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 02:19:44,524 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:19:44,524 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 02:19:44,524 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 02:19:44,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,570 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,570 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,571 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,572 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,572 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,573 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,573 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,574 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,574 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,577 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,577 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,577 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,577 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,578 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,578 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,578 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,581 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,582 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,582 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,582 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,588 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,588 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,588 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,589 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,589 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,589 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,590 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,590 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,593 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,593 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,622 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,623 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,623 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,623 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,624 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,624 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,625 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,626 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,627 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,627 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,628 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,628 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,628 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,629 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,629 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,629 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,632 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,632 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,637 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,651 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,652 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,652 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,653 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,653 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,654 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:44,675 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-07 02:19:44,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:19:44,774 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 [2021-11-07 02:19:44,774 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 02:19:44,795 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 02:19:44,813 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 155 places, 183 transitions, 374 flow [2021-11-07 02:19:44,823 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 155 places, 183 transitions, 374 flow [2021-11-07 02:19:44,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 183 transitions, 374 flow [2021-11-07 02:19:44,979 INFO L129 PetriNetUnfolder]: 45/252 cut-off events. [2021-11-07 02:19:44,979 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2021-11-07 02:19:44,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 252 events. 45/252 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 840 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 140. Up to 8 conditions per place. [2021-11-07 02:19:45,002 INFO L116 LiptonReduction]: Number of co-enabled transitions 9900 [2021-11-07 02:19:50,649 INFO L131 LiptonReduction]: Checked pairs total: 16207 [2021-11-07 02:19:50,650 INFO L133 LiptonReduction]: Total number of compositions: 168 [2021-11-07 02:19:50,677 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 67 transitions, 142 flow [2021-11-07 02:19:50,757 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 431 states, 424 states have (on average 2.9693396226415096) internal successors, (1259), 430 states have internal predecessors, (1259), 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) [2021-11-07 02:19:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 424 states have (on average 2.9693396226415096) internal successors, (1259), 430 states have internal predecessors, (1259), 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) [2021-11-07 02:19:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 02:19:50,770 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:50,770 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 02:19:50,771 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:19:50,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:50,794 INFO L85 PathProgramCache]: Analyzing trace with hash 627057580, now seen corresponding path program 1 times [2021-11-07 02:19:50,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:50,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417958186] [2021-11-07 02:19:50,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:50,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:51,117 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:51,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417958186] [2021-11-07 02:19:51,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417958186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:51,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:51,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 02:19:51,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747915775] [2021-11-07 02:19:51,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:19:51,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:51,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:19:51,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:51,158 INFO L87 Difference]: Start difference. First operand has 431 states, 424 states have (on average 2.9693396226415096) internal successors, (1259), 430 states have internal predecessors, (1259), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-07 02:19:51,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:51,238 INFO L93 Difference]: Finished difference Result 432 states and 845 transitions. [2021-11-07 02:19:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:19:51,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-07 02:19:51,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:51,262 INFO L225 Difference]: With dead ends: 432 [2021-11-07 02:19:51,262 INFO L226 Difference]: Without dead ends: 228 [2021-11-07 02:19:51,264 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:51,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-07 02:19:51,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2021-11-07 02:19:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 221 states have (on average 1.9004524886877827) internal successors, (420), 227 states have internal predecessors, (420), 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) [2021-11-07 02:19:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 420 transitions. [2021-11-07 02:19:51,346 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 420 transitions. Word has length 6 [2021-11-07 02:19:51,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:51,347 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 420 transitions. [2021-11-07 02:19:51,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-07 02:19:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 420 transitions. [2021-11-07 02:19:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 02:19:51,349 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:51,349 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:51,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:19:51,350 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:19:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1050806814, now seen corresponding path program 1 times [2021-11-07 02:19:51,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:51,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87331197] [2021-11-07 02:19:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:51,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:51,443 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:51,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87331197] [2021-11-07 02:19:51,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87331197] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:19:51,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770196955] [2021-11-07 02:19:51,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:51,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:51,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:51,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:51,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 02:19:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:51,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:19:51,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:19:51,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:19:51,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770196955] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:51,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 02:19:51,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-07 02:19:51,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584633960] [2021-11-07 02:19:51,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:19:51,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:51,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:19:51,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:51,656 INFO L87 Difference]: Start difference. First operand 228 states and 420 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-07 02:19:51,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:51,675 INFO L93 Difference]: Finished difference Result 77 states and 132 transitions. [2021-11-07 02:19:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:19:51,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 7 [2021-11-07 02:19:51,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:51,677 INFO L225 Difference]: With dead ends: 77 [2021-11-07 02:19:51,677 INFO L226 Difference]: Without dead ends: 77 [2021-11-07 02:19:51,678 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-11-07 02:19:51,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-11-07 02:19:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 75 states have (on average 1.76) internal successors, (132), 76 states have internal predecessors, (132), 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) [2021-11-07 02:19:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 132 transitions. [2021-11-07 02:19:51,686 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 132 transitions. Word has length 7 [2021-11-07 02:19:51,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:51,687 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 132 transitions. [2021-11-07 02:19:51,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-07 02:19:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2021-11-07 02:19:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 02:19:51,688 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:51,688 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:51,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:51,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:51,914 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:19:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:51,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1767808484, now seen corresponding path program 1 times [2021-11-07 02:19:51,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:51,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251667453] [2021-11-07 02:19:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:51,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:52,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:52,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251667453] [2021-11-07 02:19:52,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251667453] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:19:52,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144298382] [2021-11-07 02:19:52,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:52,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:52,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:52,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:52,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 02:19:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:52,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:19:52,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:52,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:52,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144298382] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:52,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1304805675] [2021-11-07 02:19:52,288 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:609) 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) [2021-11-07 02:19:52,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:19:52,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 02:19:52,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578302842] [2021-11-07 02:19:52,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:19:52,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:52,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:19:52,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:19:52,299 INFO L87 Difference]: Start difference. First operand 77 states and 132 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2021-11-07 02:19:52,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:52,324 INFO L93 Difference]: Finished difference Result 80 states and 135 transitions. [2021-11-07 02:19:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:52,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 8 [2021-11-07 02:19:52,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:52,328 INFO L225 Difference]: With dead ends: 80 [2021-11-07 02:19:52,329 INFO L226 Difference]: Without dead ends: 80 [2021-11-07 02:19:52,329 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:19:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-07 02:19:52,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-07 02:19:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 78 states have (on average 1.7307692307692308) internal successors, (135), 79 states have internal predecessors, (135), 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) [2021-11-07 02:19:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 135 transitions. [2021-11-07 02:19:52,339 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 135 transitions. Word has length 8 [2021-11-07 02:19:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:52,340 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 135 transitions. [2021-11-07 02:19:52,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2021-11-07 02:19:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2021-11-07 02:19:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 02:19:52,341 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:52,341 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1] [2021-11-07 02:19:52,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:52,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:52,562 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:19:52,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash -485950002, now seen corresponding path program 2 times [2021-11-07 02:19:52,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:52,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388214] [2021-11-07 02:19:52,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:52,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:52,685 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:52,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388214] [2021-11-07 02:19:52,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388214] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:19:52,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963149814] [2021-11-07 02:19:52,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:19:52,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:52,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:52,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:52,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 02:19:52,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 02:19:52,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:19:52,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:19:52,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:52,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:52,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963149814] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:52,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [953755313] [2021-11-07 02:19:52,965 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:609) 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) [2021-11-07 02:19:52,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:19:52,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2021-11-07 02:19:52,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509954339] [2021-11-07 02:19:52,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:19:52,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:52,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:19:52,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-07 02:19:52,980 INFO L87 Difference]: Start difference. First operand 80 states and 135 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-11-07 02:19:53,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:53,021 INFO L93 Difference]: Finished difference Result 86 states and 141 transitions. [2021-11-07 02:19:53,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 02:19:53,021 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 02:19:53,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:53,023 INFO L225 Difference]: With dead ends: 86 [2021-11-07 02:19:53,023 INFO L226 Difference]: Without dead ends: 86 [2021-11-07 02:19:53,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-07 02:19:53,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-07 02:19:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-11-07 02:19:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.6785714285714286) internal successors, (141), 85 states have internal predecessors, (141), 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) [2021-11-07 02:19:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 141 transitions. [2021-11-07 02:19:53,031 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 141 transitions. Word has length 11 [2021-11-07 02:19:53,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:53,031 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 141 transitions. [2021-11-07 02:19:53,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-11-07 02:19:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2021-11-07 02:19:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 02:19:53,033 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:53,033 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1] [2021-11-07 02:19:53,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:53,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:53,234 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:19:53,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash -2128282866, now seen corresponding path program 3 times [2021-11-07 02:19:53,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:53,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039545026] [2021-11-07 02:19:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:53,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:19:53,320 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:19:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:19:53,401 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 02:19:53,401 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:19:53,402 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 02:19:53,404 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:19:53,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:19:53,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:19:53,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 02:19:53,408 INFO L731 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2021-11-07 02:19:53,409 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 02:19:53,409 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-07 02:19:53,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,428 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,428 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,429 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,429 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,430 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,430 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,431 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,432 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,432 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,432 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,432 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,442 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,444 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,445 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,445 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,445 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,446 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,446 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,446 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,450 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,450 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,450 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,451 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,452 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,453 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,454 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,455 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,456 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,473 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,474 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,475 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,483 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,484 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,485 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,487 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,487 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,496 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,496 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,496 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,496 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,499 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,500 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,501 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,501 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,501 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,502 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,503 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:19:53,507 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-07 02:19:53,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:19:53,510 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 [2021-11-07 02:19:53,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-07 02:19:53,519 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 02:19:53,519 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 251 transitions, 520 flow [2021-11-07 02:19:53,519 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 251 transitions, 520 flow [2021-11-07 02:19:53,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 251 transitions, 520 flow [2021-11-07 02:19:53,635 INFO L129 PetriNetUnfolder]: 75/413 cut-off events. [2021-11-07 02:19:53,636 INFO L130 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2021-11-07 02:19:53,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 413 events. 75/413 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1671 event pairs, 0 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 254. Up to 12 conditions per place. [2021-11-07 02:19:53,688 INFO L116 LiptonReduction]: Number of co-enabled transitions 29964 [2021-11-07 02:19:59,710 INFO L131 LiptonReduction]: Checked pairs total: 49606 [2021-11-07 02:19:59,710 INFO L133 LiptonReduction]: Total number of compositions: 227 [2021-11-07 02:19:59,717 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 99 transitions, 216 flow [2021-11-07 02:20:00,039 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8323 states, 8304 states have (on average 4.4300337186897885) internal successors, (36787), 8322 states have internal predecessors, (36787), 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) [2021-11-07 02:20:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 8323 states, 8304 states have (on average 4.4300337186897885) internal successors, (36787), 8322 states have internal predecessors, (36787), 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) [2021-11-07 02:20:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 02:20:00,093 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:00,093 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 02:20:00,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:00,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:00,096 INFO L85 PathProgramCache]: Analyzing trace with hash -384112160, now seen corresponding path program 1 times [2021-11-07 02:20:00,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:00,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254482382] [2021-11-07 02:20:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:00,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:00,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:00,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254482382] [2021-11-07 02:20:00,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254482382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:00,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:20:00,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 02:20:00,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951853637] [2021-11-07 02:20:00,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:20:00,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:00,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:20:00,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:20:00,174 INFO L87 Difference]: Start difference. First operand has 8323 states, 8304 states have (on average 4.4300337186897885) internal successors, (36787), 8322 states have internal predecessors, (36787), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-07 02:20:00,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:00,504 INFO L93 Difference]: Finished difference Result 8324 states and 24437 transitions. [2021-11-07 02:20:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:20:00,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-07 02:20:00,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:00,574 INFO L225 Difference]: With dead ends: 8324 [2021-11-07 02:20:00,574 INFO L226 Difference]: Without dead ends: 5504 [2021-11-07 02:20:00,575 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:20:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2021-11-07 02:20:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5504. [2021-11-07 02:20:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5504 states, 5485 states have (on average 2.8568824065633547) internal successors, (15670), 5503 states have internal predecessors, (15670), 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) [2021-11-07 02:20:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 15670 transitions. [2021-11-07 02:20:00,933 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 15670 transitions. Word has length 6 [2021-11-07 02:20:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:00,934 INFO L470 AbstractCegarLoop]: Abstraction has 5504 states and 15670 transitions. [2021-11-07 02:20:00,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-07 02:20:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 15670 transitions. [2021-11-07 02:20:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 02:20:00,935 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:00,935 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:00,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 02:20:00,935 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:00,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:00,936 INFO L85 PathProgramCache]: Analyzing trace with hash 86958680, now seen corresponding path program 1 times [2021-11-07 02:20:00,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:00,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708734270] [2021-11-07 02:20:00,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:00,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:00,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:00,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708734270] [2021-11-07 02:20:00,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708734270] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:00,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229414829] [2021-11-07 02:20:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:00,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:00,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:00,994 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:01,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 02:20:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:01,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:20:01,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:20:01,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:20:01,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229414829] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:01,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 02:20:01,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-07 02:20:01,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911035835] [2021-11-07 02:20:01,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:20:01,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:01,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:20:01,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:20:01,155 INFO L87 Difference]: Start difference. First operand 5504 states and 15670 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-07 02:20:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:01,268 INFO L93 Difference]: Finished difference Result 5368 states and 15404 transitions. [2021-11-07 02:20:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:20:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 7 [2021-11-07 02:20:01,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:01,324 INFO L225 Difference]: With dead ends: 5368 [2021-11-07 02:20:01,325 INFO L226 Difference]: Without dead ends: 5368 [2021-11-07 02:20:01,326 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:20:01,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2021-11-07 02:20:01,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5368. [2021-11-07 02:20:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5368 states, 5352 states have (on average 2.8781763826606874) internal successors, (15404), 5367 states have internal predecessors, (15404), 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) [2021-11-07 02:20:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 15404 transitions. [2021-11-07 02:20:01,671 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 15404 transitions. Word has length 7 [2021-11-07 02:20:01,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:01,672 INFO L470 AbstractCegarLoop]: Abstraction has 5368 states and 15404 transitions. [2021-11-07 02:20:01,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-07 02:20:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 15404 transitions. [2021-11-07 02:20:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:20:01,674 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:01,674 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:01,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:01,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-07 02:20:01,902 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1591723755, now seen corresponding path program 1 times [2021-11-07 02:20:01,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:01,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799544603] [2021-11-07 02:20:01,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:01,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:01,961 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:01,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799544603] [2021-11-07 02:20:01,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799544603] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:01,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394610921] [2021-11-07 02:20:01,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:01,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:01,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:01,966 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:01,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 02:20:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:02,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:20:02,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:02,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:02,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394610921] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:02,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [33286567] [2021-11-07 02:20:02,112 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:609) 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) [2021-11-07 02:20:02,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:20:02,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-11-07 02:20:02,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542945150] [2021-11-07 02:20:02,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:20:02,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:02,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:20:02,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:20:02,116 INFO L87 Difference]: Start difference. First operand 5368 states and 15404 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-11-07 02:20:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:02,200 INFO L93 Difference]: Finished difference Result 5371 states and 15407 transitions. [2021-11-07 02:20:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:20:02,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 9 [2021-11-07 02:20:02,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:02,258 INFO L225 Difference]: With dead ends: 5371 [2021-11-07 02:20:02,258 INFO L226 Difference]: Without dead ends: 5371 [2021-11-07 02:20:02,258 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:20:02,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2021-11-07 02:20:02,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 5371. [2021-11-07 02:20:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5371 states, 5355 states have (on average 2.877124183006536) internal successors, (15407), 5370 states have internal predecessors, (15407), 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) [2021-11-07 02:20:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 15407 transitions. [2021-11-07 02:20:02,522 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 15407 transitions. Word has length 9 [2021-11-07 02:20:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:02,523 INFO L470 AbstractCegarLoop]: Abstraction has 5371 states and 15407 transitions. [2021-11-07 02:20:02,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-11-07 02:20:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 15407 transitions. [2021-11-07 02:20:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 02:20:02,524 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:02,524 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:02,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-07 02:20:02,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:02,738 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:02,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:02,739 INFO L85 PathProgramCache]: Analyzing trace with hash 394222749, now seen corresponding path program 2 times [2021-11-07 02:20:02,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:02,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810081157] [2021-11-07 02:20:02,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:02,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:02,794 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:02,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810081157] [2021-11-07 02:20:02,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810081157] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:02,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677876394] [2021-11-07 02:20:02,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:20:02,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:02,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:02,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:02,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 02:20:02,901 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 02:20:02,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:20:02,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 02:20:02,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:03,004 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:20:03,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:20:03,262 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 7 treesize of output 6 [2021-11-07 02:20:04,383 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:20:04,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:20:04,482 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:20:04,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:20:04,492 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:20:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:20:04,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:11,140 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre47_96| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_96|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:20:11,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677876394] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:11,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 02:20:11,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6] total 12 [2021-11-07 02:20:11,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688399432] [2021-11-07 02:20:11,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:20:11,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:20:11,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=99, Unknown=1, NotChecked=20, Total=156 [2021-11-07 02:20:11,256 INFO L87 Difference]: Start difference. First operand 5371 states and 15407 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:11,757 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (forall ((|v_ULTIMATE.start_main_#t~pre47_96| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_96|)) |c_~#a~0.base|))) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (= (select |c_#valid| |c_~#a~0.base|) 1) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1)))) is different from false [2021-11-07 02:20:11,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:11,935 INFO L93 Difference]: Finished difference Result 5374 states and 15410 transitions. [2021-11-07 02:20:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:20:11,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 02:20:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:11,963 INFO L225 Difference]: With dead ends: 5374 [2021-11-07 02:20:11,963 INFO L226 Difference]: Without dead ends: 5374 [2021-11-07 02:20:11,964 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=42, Invalid=120, Unknown=2, NotChecked=46, Total=210 [2021-11-07 02:20:11,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2021-11-07 02:20:12,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 5368. [2021-11-07 02:20:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5368 states, 5352 states have (on average 2.8776158445440956) internal successors, (15401), 5367 states have internal predecessors, (15401), 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) [2021-11-07 02:20:12,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 15401 transitions. [2021-11-07 02:20:12,256 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 15401 transitions. Word has length 12 [2021-11-07 02:20:12,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:12,257 INFO L470 AbstractCegarLoop]: Abstraction has 5368 states and 15401 transitions. [2021-11-07 02:20:12,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 15401 transitions. [2021-11-07 02:20:12,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 02:20:12,259 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:12,260 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:12,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-07 02:20:12,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:12,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:12,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:12,474 INFO L85 PathProgramCache]: Analyzing trace with hash 560213849, now seen corresponding path program 1 times [2021-11-07 02:20:12,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:12,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475515687] [2021-11-07 02:20:12,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:12,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:20:12,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:12,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475515687] [2021-11-07 02:20:12,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475515687] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:12,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989399015] [2021-11-07 02:20:12,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:12,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:12,543 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:12,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 02:20:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:12,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:20:12,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:12,747 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:20:12,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:20:12,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989399015] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:12,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1946705167] [2021-11-07 02:20:12,855 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:609) 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) [2021-11-07 02:20:12,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:20:12,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-11-07 02:20:12,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803754257] [2021-11-07 02:20:12,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 02:20:12,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:12,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 02:20:12,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:20:12,863 INFO L87 Difference]: Start difference. First operand 5368 states and 15401 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 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) [2021-11-07 02:20:12,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:12,972 INFO L93 Difference]: Finished difference Result 5374 states and 15407 transitions. [2021-11-07 02:20:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 02:20:12,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 02:20:12,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:13,036 INFO L225 Difference]: With dead ends: 5374 [2021-11-07 02:20:13,036 INFO L226 Difference]: Without dead ends: 5374 [2021-11-07 02:20:13,037 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:20:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2021-11-07 02:20:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 5374. [2021-11-07 02:20:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5374 states, 5358 states have (on average 2.8755132512131394) internal successors, (15407), 5373 states have internal predecessors, (15407), 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) [2021-11-07 02:20:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5374 states to 5374 states and 15407 transitions. [2021-11-07 02:20:13,210 INFO L78 Accepts]: Start accepts. Automaton has 5374 states and 15407 transitions. Word has length 15 [2021-11-07 02:20:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:13,211 INFO L470 AbstractCegarLoop]: Abstraction has 5374 states and 15407 transitions. [2021-11-07 02:20:13,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 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) [2021-11-07 02:20:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5374 states and 15407 transitions. [2021-11-07 02:20:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 02:20:13,218 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:13,218 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:13,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-07 02:20:13,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-07 02:20:13,434 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:13,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:13,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1092033959, now seen corresponding path program 2 times [2021-11-07 02:20:13,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:13,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798195189] [2021-11-07 02:20:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:13,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:13,581 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:13,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798195189] [2021-11-07 02:20:13,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798195189] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:13,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863202987] [2021-11-07 02:20:13,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:20:13,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:13,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:13,583 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:13,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 02:20:13,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 02:20:13,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:20:13,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:20:13,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:13,728 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 7 treesize of output 6 [2021-11-07 02:20:13,797 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:20:13,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:20:16,253 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:20:16,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:20:16,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-07 02:20:16,357 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 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 02:20:16,406 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:20:16,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:20:16,409 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:20:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:16,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:19,045 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_100| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_100|)) c_t_funThread1of2ForFork0_~p~0.base))) is different from false [2021-11-07 02:20:19,615 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_100| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_100|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:20,162 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~3_191 Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_102| Int) (|v_ULTIMATE.start_main_#t~pre47_100| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_102|) (+ |ULTIMATE.start_main_~#t_ids~0.offset| (* v_ULTIMATE.start_main_~i~3_191 4)) |v_ULTIMATE.start_main_#t~pre47_100|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 1 not checked. [2021-11-07 02:20:20,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863202987] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:20,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2086155265] [2021-11-07 02:20:20,357 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$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:609) 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) [2021-11-07 02:20:20,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:20:20,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 11 [2021-11-07 02:20:20,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334347955] [2021-11-07 02:20:20,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:20:20,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:20,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:20:20,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=68, Unknown=3, NotChecked=54, Total=156 [2021-11-07 02:20:20,361 INFO L87 Difference]: Start difference. First operand 5374 states and 15407 transitions. Second operand has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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) [2021-11-07 02:20:21,090 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (= (select |c_#valid| |c_~#a~0.base|) 1) (forall ((v_ULTIMATE.start_main_~i~3_191 Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_102| Int) (|v_ULTIMATE.start_main_#t~pre47_100| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_102|) (+ |ULTIMATE.start_main_~#t_ids~0.offset| (* v_ULTIMATE.start_main_~i~3_191 4)) |v_ULTIMATE.start_main_#t~pre47_100|)) |c_~#a~0.base|))) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1)))) is different from false [2021-11-07 02:20:21,666 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_100| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_100|)) |c_~#a~0.base|)))) is different from false [2021-11-07 02:20:22,299 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_100| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_100|)) c_t_funThread1of2ForFork0_~p~0.base))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base)) (not (= c_t_funThread1of2ForFork0_~p~0.base |c_ULTIMATE.start_main_~#t_ids~0.base|))) is different from false [2021-11-07 02:20:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:22,560 INFO L93 Difference]: Finished difference Result 7650 states and 21756 transitions. [2021-11-07 02:20:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:20:22,565 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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 21 [2021-11-07 02:20:22,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:22,604 INFO L225 Difference]: With dead ends: 7650 [2021-11-07 02:20:22,605 INFO L226 Difference]: Without dead ends: 7590 [2021-11-07 02:20:22,605 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=37, Invalid=71, Unknown=6, NotChecked=126, Total=240 [2021-11-07 02:20:22,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-11-07 02:20:22,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 5910. [2021-11-07 02:20:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5910 states, 5894 states have (on average 2.9063454360366476) internal successors, (17130), 5909 states have internal predecessors, (17130), 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) [2021-11-07 02:20:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 17130 transitions. [2021-11-07 02:20:22,872 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 17130 transitions. Word has length 21 [2021-11-07 02:20:22,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:22,873 INFO L470 AbstractCegarLoop]: Abstraction has 5910 states and 17130 transitions. [2021-11-07 02:20:22,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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) [2021-11-07 02:20:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 17130 transitions. [2021-11-07 02:20:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 02:20:22,875 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:22,875 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:22,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:23,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:23,096 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:23,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:23,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1093606589, now seen corresponding path program 3 times [2021-11-07 02:20:23,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:23,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65485113] [2021-11-07 02:20:23,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:23,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:23,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:23,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65485113] [2021-11-07 02:20:23,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65485113] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:23,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173335849] [2021-11-07 02:20:23,226 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 02:20:23,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:23,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:23,227 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:23,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 02:20:23,401 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 02:20:23,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:20:23,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:20:23,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:23,477 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:20:23,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:20:23,634 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 7 treesize of output 6 [2021-11-07 02:20:25,741 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:20:25,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:20:25,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-07 02:20:25,832 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 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 02:20:25,894 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:20:25,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:20:25,897 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:20:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:25,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:32,461 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_103| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_103|)) c_t_funThread1of2ForFork0_~p~0.base))) is different from false [2021-11-07 02:20:33,049 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_103| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_103|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:33,601 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~3_194 Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_105| Int) (|v_ULTIMATE.start_main_#t~pre47_103| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_105|) (+ (* v_ULTIMATE.start_main_~i~3_194 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_103|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 1 not checked. [2021-11-07 02:20:33,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173335849] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:33,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1014324143] [2021-11-07 02:20:33,798 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$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:609) 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) [2021-11-07 02:20:33,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:20:33,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 11 [2021-11-07 02:20:33,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947414168] [2021-11-07 02:20:33,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:20:33,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:33,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:20:33,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=68, Unknown=3, NotChecked=54, Total=156 [2021-11-07 02:20:33,802 INFO L87 Difference]: Start difference. First operand 5910 states and 17130 transitions. Second operand has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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) [2021-11-07 02:20:34,580 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((v_ULTIMATE.start_main_~i~3_194 Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_105| Int) (|v_ULTIMATE.start_main_#t~pre47_103| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_105|) (+ (* v_ULTIMATE.start_main_~i~3_194 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_103|)) |c_~#a~0.base|))) (= (select |c_#valid| |c_~#a~0.base|) 1) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1)))) is different from false [2021-11-07 02:20:35,305 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_103| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_103|)) |c_~#a~0.base|))) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|))) is different from false [2021-11-07 02:20:35,895 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_103| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_103|)) c_t_funThread1of2ForFork0_~p~0.base))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base)) (not (= c_t_funThread1of2ForFork0_~p~0.base |c_ULTIMATE.start_main_~#t_ids~0.base|))) is different from false [2021-11-07 02:20:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:36,243 INFO L93 Difference]: Finished difference Result 7990 states and 22752 transitions. [2021-11-07 02:20:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:20:36,244 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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 21 [2021-11-07 02:20:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:36,281 INFO L225 Difference]: With dead ends: 7990 [2021-11-07 02:20:36,282 INFO L226 Difference]: Without dead ends: 7950 [2021-11-07 02:20:36,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=37, Invalid=71, Unknown=6, NotChecked=126, Total=240 [2021-11-07 02:20:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7950 states. [2021-11-07 02:20:36,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7950 to 5914. [2021-11-07 02:20:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5914 states, 5898 states have (on average 2.9057307561885386) internal successors, (17138), 5913 states have internal predecessors, (17138), 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) [2021-11-07 02:20:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5914 states to 5914 states and 17138 transitions. [2021-11-07 02:20:36,471 INFO L78 Accepts]: Start accepts. Automaton has 5914 states and 17138 transitions. Word has length 21 [2021-11-07 02:20:36,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:36,471 INFO L470 AbstractCegarLoop]: Abstraction has 5914 states and 17138 transitions. [2021-11-07 02:20:36,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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) [2021-11-07 02:20:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5914 states and 17138 transitions. [2021-11-07 02:20:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 02:20:36,472 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:36,473 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:36,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:36,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-07 02:20:36,689 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:36,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:36,690 INFO L85 PathProgramCache]: Analyzing trace with hash -180830581, now seen corresponding path program 4 times [2021-11-07 02:20:36,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:36,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705163273] [2021-11-07 02:20:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:36,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:36,828 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:36,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705163273] [2021-11-07 02:20:36,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705163273] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:36,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285650557] [2021-11-07 02:20:36,829 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 02:20:36,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:36,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:36,831 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:36,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 02:20:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:37,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:20:37,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:37,066 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 7 treesize of output 6 [2021-11-07 02:20:37,132 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:20:37,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:20:39,250 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:20:39,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:20:39,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-07 02:20:39,343 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 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 02:20:39,396 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:20:39,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:20:39,398 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:20:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:39,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:41,997 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre47_106| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_106|)) c_t_funThread1of2ForFork0_~p~0.base))) is different from false [2021-11-07 02:20:42,568 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre47_106| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_106|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:43,081 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre47_108| Int) (|v_ULTIMATE.start_main_#t~pre47_106| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (v_ULTIMATE.start_main_~i~3_197 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_108|) (+ (* v_ULTIMATE.start_main_~i~3_197 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_106|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 1 not checked. [2021-11-07 02:20:43,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285650557] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:43,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1419059927] [2021-11-07 02:20:43,296 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$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:609) 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) [2021-11-07 02:20:43,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:20:43,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 11 [2021-11-07 02:20:43,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034080761] [2021-11-07 02:20:43,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:20:43,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:43,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:20:43,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=68, Unknown=3, NotChecked=54, Total=156 [2021-11-07 02:20:43,301 INFO L87 Difference]: Start difference. First operand 5914 states and 17138 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 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) [2021-11-07 02:20:43,950 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((|v_ULTIMATE.start_main_#t~pre47_108| Int) (|v_ULTIMATE.start_main_#t~pre47_106| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (v_ULTIMATE.start_main_~i~3_197 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_108|) (+ (* v_ULTIMATE.start_main_~i~3_197 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_106|)) |c_~#a~0.base|))) (= (select |c_#valid| |c_~#a~0.base|) 1) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1)))) is different from false [2021-11-07 02:20:44,538 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((|v_ULTIMATE.start_main_#t~pre47_106| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_106|)) |c_~#a~0.base|)))) is different from false [2021-11-07 02:20:45,120 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_#t~pre47_106| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_106|)) c_t_funThread1of2ForFork0_~p~0.base))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base)) (not (= c_t_funThread1of2ForFork0_~p~0.base |c_ULTIMATE.start_main_~#t_ids~0.base|))) is different from false [2021-11-07 02:20:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:45,457 INFO L93 Difference]: Finished difference Result 8189 states and 23484 transitions. [2021-11-07 02:20:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:20:45,458 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 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 21 [2021-11-07 02:20:45,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:45,506 INFO L225 Difference]: With dead ends: 8189 [2021-11-07 02:20:45,506 INFO L226 Difference]: Without dead ends: 8129 [2021-11-07 02:20:45,506 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=37, Invalid=71, Unknown=6, NotChecked=126, Total=240 [2021-11-07 02:20:45,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8129 states. [2021-11-07 02:20:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8129 to 5915. [2021-11-07 02:20:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5915 states, 5899 states have (on average 2.90574673673504) internal successors, (17141), 5914 states have internal predecessors, (17141), 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) [2021-11-07 02:20:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5915 states to 5915 states and 17141 transitions. [2021-11-07 02:20:45,730 INFO L78 Accepts]: Start accepts. Automaton has 5915 states and 17141 transitions. Word has length 21 [2021-11-07 02:20:45,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:45,731 INFO L470 AbstractCegarLoop]: Abstraction has 5915 states and 17141 transitions. [2021-11-07 02:20:45,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 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) [2021-11-07 02:20:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 5915 states and 17141 transitions. [2021-11-07 02:20:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 02:20:45,732 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:45,732 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:45,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:45,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-07 02:20:45,957 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:45,958 INFO L85 PathProgramCache]: Analyzing trace with hash -182403211, now seen corresponding path program 5 times [2021-11-07 02:20:45,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:45,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177212451] [2021-11-07 02:20:45,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:45,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:46,069 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:46,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177212451] [2021-11-07 02:20:46,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177212451] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:46,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856560503] [2021-11-07 02:20:46,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:20:46,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:46,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:46,072 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:46,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 02:20:46,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 02:20:46,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:20:46,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:20:46,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:46,405 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:20:46,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:20:46,517 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 7 treesize of output 6 [2021-11-07 02:20:48,317 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:20:48,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:20:48,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-07 02:20:48,403 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 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 02:20:48,462 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:20:48,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:20:48,464 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:20:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:48,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:55,210 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre47_109| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_109|)) c_t_funThread1of2ForFork0_~p~0.base))) is different from false [2021-11-07 02:20:55,767 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre47_109| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_109|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:56,302 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~3_200 Int) (|v_ULTIMATE.start_main_#t~pre47_109| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_111| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_111|) (+ (* v_ULTIMATE.start_main_~i~3_200 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_109|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:20:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 1 not checked. [2021-11-07 02:20:56,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856560503] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:56,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2027739130] [2021-11-07 02:20:56,515 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$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:609) 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) [2021-11-07 02:20:56,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:20:56,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 11 [2021-11-07 02:20:56,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109362726] [2021-11-07 02:20:56,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:20:56,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:20:56,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:20:56,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=68, Unknown=3, NotChecked=54, Total=156 [2021-11-07 02:20:56,521 INFO L87 Difference]: Start difference. First operand 5915 states and 17141 transitions. Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2021-11-07 02:20:57,109 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((v_ULTIMATE.start_main_~i~3_200 Int) (|v_ULTIMATE.start_main_#t~pre47_109| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_111| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_111|) (+ (* v_ULTIMATE.start_main_~i~3_200 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_109|)) |c_~#a~0.base|))) (= (select |c_#valid| |c_~#a~0.base|) 1) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1)))) is different from false [2021-11-07 02:20:57,721 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((|v_ULTIMATE.start_main_#t~pre47_109| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_109|)) |c_~#a~0.base|)))) is different from false [2021-11-07 02:20:58,306 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_#t~pre47_109| Int) (ULTIMATE.start_main_~i~3 Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_109|)) c_t_funThread1of2ForFork0_~p~0.base))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base)) (not (= c_t_funThread1of2ForFork0_~p~0.base |c_ULTIMATE.start_main_~#t_ids~0.base|))) is different from false [2021-11-07 02:20:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:58,538 INFO L93 Difference]: Finished difference Result 8527 states and 24476 transitions. [2021-11-07 02:20:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:20:58,539 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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 21 [2021-11-07 02:20:58,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:58,571 INFO L225 Difference]: With dead ends: 8527 [2021-11-07 02:20:58,571 INFO L226 Difference]: Without dead ends: 8487 [2021-11-07 02:20:58,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=37, Invalid=71, Unknown=6, NotChecked=126, Total=240 [2021-11-07 02:20:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8487 states. [2021-11-07 02:20:58,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8487 to 5911. [2021-11-07 02:20:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5911 states, 5895 states have (on average 2.906022052586938) internal successors, (17131), 5910 states have internal predecessors, (17131), 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) [2021-11-07 02:20:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5911 states to 5911 states and 17131 transitions. [2021-11-07 02:20:58,830 INFO L78 Accepts]: Start accepts. Automaton has 5911 states and 17131 transitions. Word has length 21 [2021-11-07 02:20:58,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:58,830 INFO L470 AbstractCegarLoop]: Abstraction has 5911 states and 17131 transitions. [2021-11-07 02:20:58,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2021-11-07 02:20:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 5911 states and 17131 transitions. [2021-11-07 02:20:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 02:20:58,831 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:58,831 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:58,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:59,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-07 02:20:59,058 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:20:59,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:59,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1565218755, now seen corresponding path program 6 times [2021-11-07 02:20:59,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:59,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308893353] [2021-11-07 02:20:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:59,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:20:59,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:20:59,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308893353] [2021-11-07 02:20:59,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308893353] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:20:59,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050566393] [2021-11-07 02:20:59,170 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 02:20:59,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:59,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:59,171 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:20:59,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 02:20:59,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 02:20:59,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:20:59,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:20:59,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:59,643 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:20:59,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:20:59,767 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 7 treesize of output 6 [2021-11-07 02:21:01,746 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:21:01,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:21:01,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-07 02:21:01,797 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 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 02:21:01,851 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:21:01,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:21:01,859 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:21:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:21:01,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:08,518 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_112| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_112|)) c_t_funThread1of2ForFork0_~p~0.base))) is different from false [2021-11-07 02:21:09,120 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_112| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_112|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:21:09,689 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~3_203 Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_114| Int) (|v_ULTIMATE.start_main_#t~pre47_112| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_114|) (+ (* v_ULTIMATE.start_main_~i~3_203 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_112|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:21:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 1 not checked. [2021-11-07 02:21:09,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050566393] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:21:09,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [31751811] [2021-11-07 02:21:09,853 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$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:609) 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) [2021-11-07 02:21:09,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:21:09,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 11 [2021-11-07 02:21:09,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804585955] [2021-11-07 02:21:09,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:21:09,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:21:09,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:21:09,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=68, Unknown=3, NotChecked=54, Total=156 [2021-11-07 02:21:09,857 INFO L87 Difference]: Start difference. First operand 5911 states and 17131 transitions. Second operand has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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) [2021-11-07 02:21:10,408 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((v_ULTIMATE.start_main_~i~3_203 Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_114| Int) (|v_ULTIMATE.start_main_#t~pre47_112| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_114|) (+ (* v_ULTIMATE.start_main_~i~3_203 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_112|)) |c_~#a~0.base|))) (= (select |c_#valid| |c_~#a~0.base|) 1) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1)))) is different from false [2021-11-07 02:21:10,996 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_112| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_112|)) |c_~#a~0.base|)))) is different from false [2021-11-07 02:21:11,772 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base)) (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_112| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_112|)) c_t_funThread1of2ForFork0_~p~0.base))) (not (= c_t_funThread1of2ForFork0_~p~0.base |c_ULTIMATE.start_main_~#t_ids~0.base|))) is different from false [2021-11-07 02:21:12,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:12,130 INFO L93 Difference]: Finished difference Result 9691 states and 27718 transitions. [2021-11-07 02:21:12,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:21:12,130 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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 21 [2021-11-07 02:21:12,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:12,162 INFO L225 Difference]: With dead ends: 9691 [2021-11-07 02:21:12,162 INFO L226 Difference]: Without dead ends: 9543 [2021-11-07 02:21:12,163 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=44, Invalid=84, Unknown=6, NotChecked=138, Total=272 [2021-11-07 02:21:12,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9543 states. [2021-11-07 02:21:12,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9543 to 6608. [2021-11-07 02:21:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6608 states, 6592 states have (on average 2.909132281553398) internal successors, (19177), 6607 states have internal predecessors, (19177), 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) [2021-11-07 02:21:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6608 states to 6608 states and 19177 transitions. [2021-11-07 02:21:12,402 INFO L78 Accepts]: Start accepts. Automaton has 6608 states and 19177 transitions. Word has length 21 [2021-11-07 02:21:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:12,403 INFO L470 AbstractCegarLoop]: Abstraction has 6608 states and 19177 transitions. [2021-11-07 02:21:12,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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) [2021-11-07 02:21:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6608 states and 19177 transitions. [2021-11-07 02:21:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 02:21:12,404 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:12,404 INFO L513 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:12,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:12,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:21:12,622 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:21:12,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:12,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1563646125, now seen corresponding path program 7 times [2021-11-07 02:21:12,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:21:12,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786932922] [2021-11-07 02:21:12,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:12,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:21:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:21:12,734 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:21:12,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786932922] [2021-11-07 02:21:12,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786932922] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:21:12,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183321303] [2021-11-07 02:21:12,735 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 02:21:12,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:21:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:21:12,736 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:21:12,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 02:21:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:13,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:21:13,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:13,208 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:21:13,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:21:13,337 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 7 treesize of output 6 [2021-11-07 02:21:15,756 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:21:15,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:21:15,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-07 02:21:15,813 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 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 02:21:15,871 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:21:15,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:21:15,875 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:21:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 02:21:15,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:20,631 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_115| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_115|)) c_t_funThread1of2ForFork0_~p~0.base))) is different from false [2021-11-07 02:21:21,254 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_115| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_115|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:21:21,902 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~3_206 Int) (|v_ULTIMATE.start_main_#t~pre47_117| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_115| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_117|) (+ (* v_ULTIMATE.start_main_~i~3_206 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_115|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:21:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 1 not checked. [2021-11-07 02:21:22,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183321303] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:21:22,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1290221469] [2021-11-07 02:21:22,082 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$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:609) 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) [2021-11-07 02:21:22,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:21:22,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 11 [2021-11-07 02:21:22,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635615696] [2021-11-07 02:21:22,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 02:21:22,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:21:22,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 02:21:22,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=68, Unknown=3, NotChecked=54, Total=156 [2021-11-07 02:21:22,084 INFO L87 Difference]: Start difference. First operand 6608 states and 19177 transitions. Second operand has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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) [2021-11-07 02:21:22,692 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (= (select |c_#valid| |c_~#a~0.base|) 1) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1))) (forall ((v_ULTIMATE.start_main_~i~3_206 Int) (|v_ULTIMATE.start_main_#t~pre47_117| Int) (ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_115| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_117|) (+ (* v_ULTIMATE.start_main_~i~3_206 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_115|)) |c_~#a~0.base|)))) is different from false [2021-11-07 02:21:23,369 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_115| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_115|)) |c_~#a~0.base|)))) is different from false [2021-11-07 02:21:24,009 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~i~3 Int) (|v_ULTIMATE.start_main_#t~pre47_115| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |c_ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_115|)) c_t_funThread1of2ForFork0_~p~0.base))) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| c_t_funThread1of2ForFork0_~p~0.base)) (not (= c_t_funThread1of2ForFork0_~p~0.base |c_ULTIMATE.start_main_~#t_ids~0.base|))) is different from false [2021-11-07 02:21:24,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:24,438 INFO L93 Difference]: Finished difference Result 9578 states and 27291 transitions. [2021-11-07 02:21:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:21:24,439 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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 21 [2021-11-07 02:21:24,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:24,473 INFO L225 Difference]: With dead ends: 9578 [2021-11-07 02:21:24,473 INFO L226 Difference]: Without dead ends: 9538 [2021-11-07 02:21:24,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=44, Invalid=84, Unknown=6, NotChecked=138, Total=272 [2021-11-07 02:21:24,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9538 states. [2021-11-07 02:21:24,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9538 to 6242. [2021-11-07 02:21:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6242 states, 6227 states have (on average 2.892725228842139) internal successors, (18013), 6241 states have internal predecessors, (18013), 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) [2021-11-07 02:21:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6242 states to 6242 states and 18013 transitions. [2021-11-07 02:21:24,707 INFO L78 Accepts]: Start accepts. Automaton has 6242 states and 18013 transitions. Word has length 21 [2021-11-07 02:21:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:24,707 INFO L470 AbstractCegarLoop]: Abstraction has 6242 states and 18013 transitions. [2021-11-07 02:21:24,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 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) [2021-11-07 02:21:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand 6242 states and 18013 transitions. [2021-11-07 02:21:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 02:21:24,710 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:24,711 INFO L513 BasicCegarLoop]: trace histogram [10, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 02:21:24,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:24,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-07 02:21:24,925 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-07 02:21:24,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:24,926 INFO L85 PathProgramCache]: Analyzing trace with hash -77785568, now seen corresponding path program 1 times [2021-11-07 02:21:24,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:21:24,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615717148] [2021-11-07 02:21:24,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:24,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:21:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:21:24,956 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:21:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:21:25,001 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 02:21:25,003 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:21:25,003 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 02:21:25,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:21:25,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:21:25,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:21:25,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:21:25,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 02:21:25,005 INFO L731 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1] [2021-11-07 02:21:25,005 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 02:21:25,006 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-11-07 02:21:25,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,030 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,030 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,031 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,031 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,032 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,032 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,034 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,034 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,034 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,034 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,036 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,038 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,039 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,039 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,039 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,042 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,043 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,043 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,043 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,043 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,044 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,044 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,047 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,048 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,050 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,051 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,053 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,054 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,054 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,054 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,055 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,055 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,056 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,057 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,057 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,057 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,057 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,058 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,058 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,058 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,058 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,058 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,058 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,059 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,060 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,061 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,061 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,062 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,062 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,066 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,068 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,068 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,069 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,069 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,069 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,069 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,070 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,071 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,071 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,072 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,072 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,075 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,076 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,076 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,076 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,077 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,077 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,077 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,079 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,079 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,079 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,079 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,079 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,079 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,080 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,080 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,080 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,080 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,080 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,080 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,081 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,083 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,086 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,086 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,086 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,086 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,089 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,089 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,089 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,090 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,090 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,090 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,090 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,090 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,091 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,091 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,094 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,094 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,094 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,094 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,097 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,098 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,098 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,102 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,102 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,103 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,103 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,103 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,103 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,104 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,106 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,107 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,107 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,108 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,109 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,110 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,110 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 02:21:25,116 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-07 02:21:25,118 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:21:25,119 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 [2021-11-07 02:21:25,119 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 02:21:25,122 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 02:21:25,122 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 267 places, 319 transitions, 668 flow [2021-11-07 02:21:25,123 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 267 places, 319 transitions, 668 flow [2021-11-07 02:21:25,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 267 places, 319 transitions, 668 flow [2021-11-07 02:21:25,306 INFO L129 PetriNetUnfolder]: 110/605 cut-off events. [2021-11-07 02:21:25,306 INFO L130 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2021-11-07 02:21:25,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 605 events. 110/605 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2680 event pairs, 1 based on Foata normal form. 0/484 useless extension candidates. Maximal degree in co-relation 421. Up to 16 conditions per place. [2021-11-07 02:21:25,368 INFO L116 LiptonReduction]: Number of co-enabled transitions 58608 [2021-11-07 02:21:31,870 INFO L131 LiptonReduction]: Checked pairs total: 101136 [2021-11-07 02:21:31,871 INFO L133 LiptonReduction]: Total number of compositions: 286 [2021-11-07 02:21:31,872 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 129 transitions, 288 flow [2021-11-07 02:21:38,959 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 151925 states, 151876 states have (on average 5.950525428639153) internal successors, (903742), 151924 states have internal predecessors, (903742), 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) [2021-11-07 02:21:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 151925 states, 151876 states have (on average 5.950525428639153) internal successors, (903742), 151924 states have internal predecessors, (903742), 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) [2021-11-07 02:21:39,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 02:21:39,230 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:39,230 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 02:21:39,231 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 02:21:39,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:39,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1797318483, now seen corresponding path program 1 times [2021-11-07 02:21:39,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:21:39,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467740820] [2021-11-07 02:21:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:39,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:21:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:39,257 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:21:39,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467740820] [2021-11-07 02:21:39,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467740820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:39,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:39,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 02:21:39,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31419292] [2021-11-07 02:21:39,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:21:39,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:21:39,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:21:39,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:21:40,078 INFO L87 Difference]: Start difference. First operand has 151925 states, 151876 states have (on average 5.950525428639153) internal successors, (903742), 151924 states have internal predecessors, (903742), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-07 02:21:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:43,001 INFO L93 Difference]: Finished difference Result 151926 states and 595821 transitions. [2021-11-07 02:21:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:21:43,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-07 02:21:43,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:44,256 INFO L225 Difference]: With dead ends: 151926 [2021-11-07 02:21:44,257 INFO L226 Difference]: Without dead ends: 114078 [2021-11-07 02:21:44,257 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:21:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114078 states. [2021-11-07 02:21:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114078 to 114078. [2021-11-07 02:21:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114078 states, 114029 states have (on average 3.847749256768015) internal successors, (438755), 114077 states have internal predecessors, (438755), 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) [2021-11-07 02:21:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114078 states to 114078 states and 438755 transitions. [2021-11-07 02:21:50,952 INFO L78 Accepts]: Start accepts. Automaton has 114078 states and 438755 transitions. Word has length 6 [2021-11-07 02:21:50,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:50,953 INFO L470 AbstractCegarLoop]: Abstraction has 114078 states and 438755 transitions. [2021-11-07 02:21:50,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-07 02:21:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 114078 states and 438755 transitions. [2021-11-07 02:21:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 02:21:50,954 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:50,954 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:50,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 02:21:50,954 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 02:21:50,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:50,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1094577422, now seen corresponding path program 1 times [2021-11-07 02:21:50,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:21:50,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382939526] [2021-11-07 02:21:50,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:50,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:21:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:50,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:21:50,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382939526] [2021-11-07 02:21:50,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382939526] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:21:50,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498086799] [2021-11-07 02:21:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:50,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:21:50,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:21:50,984 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:21:50,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 02:21:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:51,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:21:51,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:21:51,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 02:21:51,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498086799] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:51,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 02:21:51,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-07 02:21:51,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287930842] [2021-11-07 02:21:51,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:51,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:21:51,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:51,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:21:51,455 INFO L87 Difference]: Start difference. First operand 114078 states and 438755 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-07 02:21:53,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:53,278 INFO L93 Difference]: Finished difference Result 113942 states and 438489 transitions. [2021-11-07 02:21:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:21:53,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 7 [2021-11-07 02:21:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:54,110 INFO L225 Difference]: With dead ends: 113942 [2021-11-07 02:21:54,110 INFO L226 Difference]: Without dead ends: 113942 [2021-11-07 02:21:54,110 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:21:54,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113942 states. [2021-11-07 02:21:58,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113942 to 113942. [2021-11-07 02:21:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113942 states, 113896 states have (on average 3.8499069326403035) internal successors, (438489), 113941 states have internal predecessors, (438489), 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) [2021-11-07 02:21:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113942 states to 113942 states and 438489 transitions. [2021-11-07 02:21:59,777 INFO L78 Accepts]: Start accepts. Automaton has 113942 states and 438489 transitions. Word has length 7 [2021-11-07 02:21:59,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:59,777 INFO L470 AbstractCegarLoop]: Abstraction has 113942 states and 438489 transitions. [2021-11-07 02:21:59,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-11-07 02:21:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 113942 states and 438489 transitions. [2021-11-07 02:21:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:21:59,778 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:59,778 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:59,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:59,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:21:59,982 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 02:21:59,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:59,982 INFO L85 PathProgramCache]: Analyzing trace with hash 144686194, now seen corresponding path program 1 times [2021-11-07 02:21:59,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:21:59,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315453469] [2021-11-07 02:21:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:59,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:21:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:00,008 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:22:00,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315453469] [2021-11-07 02:22:00,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315453469] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:22:00,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989710690] [2021-11-07 02:22:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:00,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:22:00,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:22:00,011 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:22:00,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 02:22:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:00,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:22:00,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:00,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:00,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989710690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:22:00,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1401459187] [2021-11-07 02:22:00,492 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:609) 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) [2021-11-07 02:22:00,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:22:00,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-11-07 02:22:00,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491268844] [2021-11-07 02:22:00,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:22:00,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:22:00,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:22:00,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:00,494 INFO L87 Difference]: Start difference. First operand 113942 states and 438489 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-11-07 02:22:02,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:02,357 INFO L93 Difference]: Finished difference Result 113945 states and 438492 transitions. [2021-11-07 02:22:02,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:22:02,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 9 [2021-11-07 02:22:02,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:03,076 INFO L225 Difference]: With dead ends: 113945 [2021-11-07 02:22:03,076 INFO L226 Difference]: Without dead ends: 113945 [2021-11-07 02:22:03,077 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:04,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113945 states. [2021-11-07 02:22:07,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113945 to 113945. [2021-11-07 02:22:08,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113945 states, 113899 states have (on average 3.8498318685853254) internal successors, (438492), 113944 states have internal predecessors, (438492), 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) [2021-11-07 02:22:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113945 states to 113945 states and 438492 transitions. [2021-11-07 02:22:09,044 INFO L78 Accepts]: Start accepts. Automaton has 113945 states and 438492 transitions. Word has length 9 [2021-11-07 02:22:09,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:09,044 INFO L470 AbstractCegarLoop]: Abstraction has 113945 states and 438492 transitions. [2021-11-07 02:22:09,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-11-07 02:22:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 113945 states and 438492 transitions. [2021-11-07 02:22:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 02:22:09,045 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:09,045 INFO L513 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:09,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:09,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:22:09,250 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 02:22:09,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:09,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1636554925, now seen corresponding path program 2 times [2021-11-07 02:22:09,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:22:09,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085506782] [2021-11-07 02:22:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:09,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:22:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:09,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:22:09,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085506782] [2021-11-07 02:22:09,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085506782] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:22:09,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047423580] [2021-11-07 02:22:09,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:22:09,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:22:09,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:22:09,305 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:22:09,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67eb8c17-3fcd-40ff-990c-e6a3eb9a2c1d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 02:22:09,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 02:22:09,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:22:09,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 02:22:09,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:09,745 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 7 treesize of output 6 [2021-11-07 02:22:09,799 INFO L354 Elim1Store]: treesize reduction 151, result has 18.4 percent of original size [2021-11-07 02:22:09,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 39 [2021-11-07 02:22:10,889 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-11-07 02:22:10,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 80 [2021-11-07 02:22:10,960 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-07 02:22:10,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 26 [2021-11-07 02:22:10,963 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 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 02:22:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:22:10,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:17,594 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_167| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_167|)) |c_~#a~0.base|))) is different from false [2021-11-07 02:22:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 02:22:17,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047423580] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:17,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 02:22:17,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6] total 12 [2021-11-07 02:22:17,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58396010] [2021-11-07 02:22:17,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:22:17,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:22:17,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:22:17,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=99, Unknown=1, NotChecked=20, Total=156 [2021-11-07 02:22:17,682 INFO L87 Difference]: Start difference. First operand 113945 states and 438492 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:18,231 WARN L838 $PredicateComparison]: unable to prove that (and (= ((as const (Array Int Int)) 0) (select |c_#memory_int| |c_~#a~0.base|)) (not (= |c_ULTIMATE.start_main_~#t_ids~0.base| |c_~#a~0.base|)) (forall ((ULTIMATE.start_main_~i~3 Int) (|ULTIMATE.start_main_~#t_ids~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre47_167| Int)) (= ((as const (Array Int Int)) 0) (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0.base|) (+ (* ULTIMATE.start_main_~i~3 4) |ULTIMATE.start_main_~#t_ids~0.offset|) |v_ULTIMATE.start_main_#t~pre47_167|)) |c_~#a~0.base|))) (= (select |c_#valid| |c_~#a~0.base|) 1) (exists ((|#t~string31.base| Int) (|~#__global_lock~0.base| Int) (|#t~string30.base| Int)) (and (= (select |c_#valid| |#t~string30.base|) 1) (= (select |c_#valid| |~#__global_lock~0.base|) 1) (or (= |#t~string31.base| 0) (= |#t~string30.base| 0) (= (select |c_#valid| 0) 0) (= |c_~#a~0.base| 0) (= 0 |~#__global_lock~0.base|)) (= (select |c_#valid| |#t~string31.base|) 1)))) is different from false [2021-11-07 02:22:20,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:20,306 INFO L93 Difference]: Finished difference Result 113948 states and 438495 transitions. [2021-11-07 02:22:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:22:20,307 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 02:22:20,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:20,943 INFO L225 Difference]: With dead ends: 113948 [2021-11-07 02:22:20,943 INFO L226 Difference]: Without dead ends: 113948 [2021-11-07 02:22:20,944 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=42, Invalid=120, Unknown=2, NotChecked=46, Total=210