./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:32:42,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:32:42,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:32:42,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:32:42,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:32:42,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:32:42,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:32:42,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:32:42,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:32:42,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:32:42,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:32:42,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:32:42,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:32:42,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:32:42,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:32:42,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:32:42,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:32:42,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:32:42,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:32:42,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:32:42,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:32:42,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:32:42,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:32:42,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:32:42,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:32:42,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:32:42,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:32:42,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:32:42,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:32:42,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:32:42,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:32:42,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:32:42,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:32:42,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:32:42,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:32:42,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:32:42,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:32:42,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:32:42,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:32:42,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:32:42,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:32:42,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-25 04:32:42,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:32:42,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:32:42,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:32:42,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:32:42,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:32:42,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:32:42,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:32:42,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:32:42,345 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:32:42,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:32:42,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:32:42,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 04:32:42,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:32:42,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:32:42,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:32:42,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:32:42,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:32:42,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:32:42,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:32:42,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:32:42,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:32:42,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:32:42,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:32:42,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-25 04:32:42,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:32:42,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:32:42,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:32:42,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:32:42,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:32:42,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-25 04:32:42,355 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:32:42,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 04:32:42,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:32:42,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:32:42,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:32:42,357 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:32:42,357 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:32:42,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2021-11-25 04:32:42,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:32:42,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:32:42,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:32:42,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:32:42,721 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:32:42,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-25 04:32:42,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/data/599d996b1/f905c2aaf0134d94b0e71ff003bd09ac/FLAG05270a328 [2021-11-25 04:32:43,422 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:32:43,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2021-11-25 04:32:43,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/data/599d996b1/f905c2aaf0134d94b0e71ff003bd09ac/FLAG05270a328 [2021-11-25 04:32:43,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/data/599d996b1/f905c2aaf0134d94b0e71ff003bd09ac [2021-11-25 04:32:43,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:32:43,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:32:43,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:43,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:32:43,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:32:43,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:43" (1/1) ... [2021-11-25 04:32:43,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de0d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:43, skipping insertion in model container [2021-11-25 04:32:43,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:43" (1/1) ... [2021-11-25 04:32:43,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:32:43,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:32:44,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-25 04:32:44,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 04:32:44,154 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 04:32:44,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2021-11-25 04:32:44,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 04:32:44,220 INFO L208 MainTranslator]: Completed translation [2021-11-25 04:32:44,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44 WrapperNode [2021-11-25 04:32:44,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:32:44,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 04:32:44,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 04:32:44,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 04:32:44,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,290 INFO L137 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 315 [2021-11-25 04:32:44,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 04:32:44,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 04:32:44,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 04:32:44,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 04:32:44,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 04:32:44,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 04:32:44,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 04:32:44,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 04:32:44,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (1/1) ... [2021-11-25 04:32:44,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:32:44,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:32:44,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 04:32:44,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 04:32:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 04:32:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 04:32:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 04:32:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 04:32:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-25 04:32:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-25 04:32:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-25 04:32:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-25 04:32:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-25 04:32:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-25 04:32:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-25 04:32:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-25 04:32:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 04:32:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 04:32:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 04:32:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 04:32:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 04:32:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 04:32:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 04:32:44,514 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 04:32:44,707 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 04:32:44,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 04:32:45,396 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 04:32:45,670 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 04:32:45,670 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 04:32:45,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:45 BoogieIcfgContainer [2021-11-25 04:32:45,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 04:32:45,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 04:32:45,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 04:32:45,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 04:32:45,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:32:43" (1/3) ... [2021-11-25 04:32:45,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ef9fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:32:45, skipping insertion in model container [2021-11-25 04:32:45,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:44" (2/3) ... [2021-11-25 04:32:45,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ef9fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:32:45, skipping insertion in model container [2021-11-25 04:32:45,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:45" (3/3) ... [2021-11-25 04:32:45,685 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2021-11-25 04:32:45,692 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 04:32:45,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 04:32:45,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 04:32:45,693 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 04:32:45,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,755 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,756 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,757 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,758 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,759 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,760 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,761 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,761 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,761 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,761 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,762 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,762 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,763 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,763 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,763 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,764 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,765 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,766 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,766 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,767 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,767 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,767 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,768 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,768 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,768 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,769 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,769 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,769 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,769 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,770 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,771 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,771 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,771 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,771 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,772 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,772 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,772 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,773 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,773 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,773 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,774 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,774 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,774 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,774 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,775 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,775 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,776 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,777 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,777 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,777 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,778 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,778 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,778 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,779 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,779 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,779 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,779 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,780 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,780 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,780 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,783 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,783 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,783 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,783 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,784 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,784 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,784 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,784 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,785 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,785 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,788 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,788 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,792 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,793 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,793 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,793 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,794 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,794 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,794 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,798 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,798 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,798 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,799 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,800 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,804 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,804 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,804 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,805 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,805 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,805 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,806 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,806 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,806 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,807 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,807 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,807 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,807 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:45,811 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-25 04:32:45,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-25 04:32:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:32:45,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-25 04:32:45,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-25 04:32:45,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-25 04:32:45,960 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=PARTIAL_ORDER_FA, 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 [2021-11-25 04:32:45,960 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-25 04:32:46,136 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,136 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,137 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,227 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,227 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,228 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,243 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,244 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,244 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,314 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,314 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,315 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,323 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,413 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,414 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,414 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,429 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,430 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,430 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:46,569 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:32:46,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:32:46,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1873379800, now seen corresponding path program 1 times [2021-11-25 04:32:46,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:32:46,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590796792] [2021-11-25 04:32:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:32:46,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:32:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:32:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:32:47,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:32:47,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590796792] [2021-11-25 04:32:47,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590796792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:32:47,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:32:47,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 04:32:47,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111895706] [2021-11-25 04:32:47,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:32:47,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 04:32:47,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:32:47,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 04:32:47,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 04:32:47,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:47,121 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:32:47,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.5) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:32:47,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:47,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 04:32:47,226 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:32:47,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:32:47,230 INFO L85 PathProgramCache]: Analyzing trace with hash 534006891, now seen corresponding path program 1 times [2021-11-25 04:32:47,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:32:47,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660469125] [2021-11-25 04:32:47,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:32:47,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:32:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:32:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:32:47,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:32:47,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660469125] [2021-11-25 04:32:47,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660469125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:32:47,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:32:47,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 04:32:47,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056234147] [2021-11-25 04:32:47,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:32:47,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 04:32:47,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:32:47,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 04:32:47,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 04:32:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:47,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:32:47,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:32:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:47,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:48,207 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,207 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,208 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,226 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,226 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,226 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,246 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,247 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,247 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,290 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,291 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,291 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,308 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,309 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,309 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,323 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,323 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,434 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,434 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,444 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,445 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,445 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:48,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:48,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:32:48,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 04:32:48,531 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:32:48,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:32:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash -433018513, now seen corresponding path program 1 times [2021-11-25 04:32:48,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:32:48,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507975307] [2021-11-25 04:32:48,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:32:48,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:32:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:32:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:32:48,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:32:48,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507975307] [2021-11-25 04:32:48,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507975307] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:32:48,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:32:48,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 04:32:48,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798411238] [2021-11-25 04:32:48,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:32:48,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 04:32:48,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:32:48,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 04:32:48,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-25 04:32:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:48,860 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:32:48,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:32:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:32:48,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:49,064 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,065 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,065 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,397 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,402 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,412 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,412 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,426 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,427 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,513 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,525 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,525 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,526 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,606 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,607 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,607 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,650 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,650 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,662 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,662 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,670 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,672 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,672 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,778 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,779 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,779 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,788 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,788 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,789 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:49,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:49,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:32:49,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:32:49,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 04:32:49,969 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:32:49,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:32:49,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1198865100, now seen corresponding path program 1 times [2021-11-25 04:32:49,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:32:49,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063351519] [2021-11-25 04:32:49,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:32:49,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:32:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:32:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:32:51,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:32:51,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063351519] [2021-11-25 04:32:51,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063351519] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 04:32:51,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500462126] [2021-11-25 04:32:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:32:51,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 04:32:51,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:32:51,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 04:32:51,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 04:32:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:32:51,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 04:32:51,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 04:32:54,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 04:32:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:32:54,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 04:32:54,722 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 04:32:54,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-11-25 04:32:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:32:56,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500462126] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 04:32:56,806 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 04:32:56,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 16] total 47 [2021-11-25 04:32:56,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741305370] [2021-11-25 04:32:56,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 04:32:56,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2021-11-25 04:32:56,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:32:56,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-11-25 04:32:56,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1805, Unknown=0, NotChecked=0, Total=2162 [2021-11-25 04:32:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:56,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:32:56,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 9.76595744680851) internal successors, (459), 47 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:32:56,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:56,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:32:56,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:32:56,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:59,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:59,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:59,644 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:32:59,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:32:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:32:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:32:59,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-25 04:32:59,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 04:33:00,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 04:33:00,048 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:33:00,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:33:00,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1079623021, now seen corresponding path program 1 times [2021-11-25 04:33:00,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:33:00,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309503618] [2021-11-25 04:33:00,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:33:00,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:33:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:33:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 04:33:00,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:33:00,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309503618] [2021-11-25 04:33:00,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309503618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:33:00,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:33:00,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 04:33:00,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560692845] [2021-11-25 04:33:00,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:33:00,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 04:33:00,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:33:00,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 04:33:00,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-25 04:33:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:00,246 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:33:00,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:33:00,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:00,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:33:00,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:33:00,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-25 04:33:00,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:00,389 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,389 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,390 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,439 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,440 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,440 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,662 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,799 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,799 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,800 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,810 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,811 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,811 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,819 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,819 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,820 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:33:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:33:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-25 04:33:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 04:33:00,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 04:33:00,981 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:33:00,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:33:00,982 INFO L85 PathProgramCache]: Analyzing trace with hash 890675060, now seen corresponding path program 2 times [2021-11-25 04:33:00,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:33:00,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421049088] [2021-11-25 04:33:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:33:00,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:33:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:33:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:33:02,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:33:02,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421049088] [2021-11-25 04:33:02,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421049088] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 04:33:02,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447268185] [2021-11-25 04:33:02,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-25 04:33:02,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 04:33:02,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:33:02,342 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 04:33:02,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 04:33:02,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-25 04:33:02,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 04:33:02,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-25 04:33:02,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 04:33:02,675 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 6 treesize of output 5 [2021-11-25 04:33:03,220 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 04:33:03,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-25 04:33:05,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-11-25 04:33:05,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 04:33:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:33:05,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 04:33:06,259 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 04:33:06,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2021-11-25 04:33:06,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2021-11-25 04:33:09,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-25 04:33:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:33:09,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447268185] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 04:33:09,777 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 04:33:09,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 57 [2021-11-25 04:33:09,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872004614] [2021-11-25 04:33:09,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 04:33:09,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-25 04:33:09,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:33:09,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-25 04:33:09,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=2913, Unknown=2, NotChecked=0, Total=3192 [2021-11-25 04:33:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:09,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:33:09,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 8.56140350877193) internal successors, (488), 57 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:33:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:33:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:33:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-25 04:33:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-25 04:33:09,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:14,132 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,133 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,133 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,337 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,337 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,338 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,350 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,351 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,351 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,386 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,387 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,396 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,396 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,396 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,527 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,527 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,528 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,642 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,652 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,652 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,659 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,660 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:14,660 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:33:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-25 04:33:15,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 04:33:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-25 04:33:15,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 04:33:15,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 04:33:15,478 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:33:15,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:33:15,479 INFO L85 PathProgramCache]: Analyzing trace with hash -351676575, now seen corresponding path program 1 times [2021-11-25 04:33:15,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:33:15,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950673794] [2021-11-25 04:33:15,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:33:15,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:33:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:33:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 04:33:15,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:33:15,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950673794] [2021-11-25 04:33:15,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950673794] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 04:33:15,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435535263] [2021-11-25 04:33:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:33:15,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 04:33:15,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:33:15,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 04:33:15,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 04:33:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:33:16,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 04:33:16,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 04:33:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 04:33:16,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 04:33:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 04:33:17,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435535263] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 04:33:17,493 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 04:33:17,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 9] total 21 [2021-11-25 04:33:17,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633857058] [2021-11-25 04:33:17,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 04:33:17,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-25 04:33:17,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:33:17,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-25 04:33:17,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2021-11-25 04:33:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:17,497 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:33:17,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 19.428571428571427) internal successors, (408), 21 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 04:33:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:17,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:33:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:33:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-25 04:33:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-25 04:33:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-25 04:33:17,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:17,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:17,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:17,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,025 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,026 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,026 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,134 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,134 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,146 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,155 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,156 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,156 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,192 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,193 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,193 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,206 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,219 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,219 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,220 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,259 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,259 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,260 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,276 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,277 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,277 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,286 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:33:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:33:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:33:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:33:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-25 04:33:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 04:33:18,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-25 04:33:18,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 04:33:19,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 04:33:19,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-25 04:33:19,176 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-25 04:33:19,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:33:19,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1821680336, now seen corresponding path program 3 times [2021-11-25 04:33:19,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:33:19,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124069369] [2021-11-25 04:33:19,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:33:19,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:33:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:33:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:33:20,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:33:20,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124069369] [2021-11-25 04:33:20,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124069369] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 04:33:20,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116532578] [2021-11-25 04:33:20,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 04:33:20,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 04:33:20,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:33:20,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 04:33:20,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5339f1-a12b-4f3e-b425-d4533e637cdf/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 04:33:21,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-25 04:33:21,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 04:33:21,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-25 04:33:21,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 04:33:21,270 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 6 treesize of output 5 [2021-11-25 04:33:21,347 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 04:33:21,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2021-11-25 04:33:22,655 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 04:33:22,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2021-11-25 04:33:22,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 04:33:24,616 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 6 treesize of output 5 [2021-11-25 04:33:24,866 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 6 treesize of output 5 [2021-11-25 04:33:25,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-11-25 04:33:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 04:33:25,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-11-25 04:33:26,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2021-11-25 04:33:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:33:26,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 04:33:31,886 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 04:33:31,887 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-11-25 04:33:31,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21767 treesize of output 21239 [2021-11-25 04:33:32,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10621 treesize of output 10225 [2021-11-25 04:33:32,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20726 treesize of output 17654 [2021-11-25 04:33:32,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17654 treesize of output 16118 [2021-11-25 04:33:32,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16235 treesize of output 15443