./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d --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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:45:41,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:45:41,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:45:41,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:45:41,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:45:41,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:45:41,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:45:41,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:45:41,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:45:41,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:45:41,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:45:41,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:45:41,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:45:41,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:45:41,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:45:41,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:45:41,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:45:41,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:45:41,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:45:41,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:45:41,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:45:41,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:45:41,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:45:41,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:45:41,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:45:41,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:45:41,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:45:41,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:45:41,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:45:41,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:45:41,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:45:41,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:45:41,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:45:41,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:45:41,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:45:41,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:45:41,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:45:41,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:45:41,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:45:41,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:45:41,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:45:41,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:45:41,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:45:41,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:45:41,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:45:41,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:45:41,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:45:41,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:45:41,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:45:41,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:45:41,276 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:45:41,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:45:41,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:45:41,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:45:41,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:45:41,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:45:41,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:45:41,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:45:41,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:45:41,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:45:41,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:45:41,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:45:41,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:45:41,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:45:41,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:45:41,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:45:41,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:45:41,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:41,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:45:41,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:45:41,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:45:41,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:45:41,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:45:41,284 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:45:41,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:45:41,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:45:41,285 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:45:41,285 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:45:41,286 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_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2021-11-20 07:45:41,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:45:41,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:45:41,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:45:41,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:45:41,740 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:45:41,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-20 07:45:41,815 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/e50259678/01746791d9184a4392e162b72ede5dca/FLAG7dd454da3 [2021-11-20 07:45:42,485 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:45:42,486 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-20 07:45:42,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/e50259678/01746791d9184a4392e162b72ede5dca/FLAG7dd454da3 [2021-11-20 07:45:42,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/e50259678/01746791d9184a4392e162b72ede5dca [2021-11-20 07:45:42,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:45:42,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:45:42,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:42,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:45:42,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:45:42,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:42" (1/1) ... [2021-11-20 07:45:42,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4b9c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:42, skipping insertion in model container [2021-11-20 07:45:42,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:42" (1/1) ... [2021-11-20 07:45:42,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:45:42,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:45:43,310 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_6afdde1c-94c9-4a1a-b188-6b866f843ce5/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-20 07:45:43,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:45:43,339 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:45:43,407 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_6afdde1c-94c9-4a1a-b188-6b866f843ce5/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-20 07:45:43,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:45:43,458 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:45:43,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43 WrapperNode [2021-11-20 07:45:43,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:43,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:45:43,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:45:43,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:45:43,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,519 INFO L137 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2021-11-20 07:45:43,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:45:43,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:45:43,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:45:43,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:45:43,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:45:43,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:45:43,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:45:43,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:45:43,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (1/1) ... [2021-11-20 07:45:43,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:43,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:45:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:45:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:45:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-20 07:45:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-20 07:45:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:45:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:45:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:45:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:45:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:45:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:45:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:45:43,679 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:45:43,856 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:45:43,863 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:45:44,112 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:45:44,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:45:44,183 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:45:44,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:44 BoogieIcfgContainer [2021-11-20 07:45:44,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:45:44,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:45:44,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:45:44,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:45:44,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:45:42" (1/3) ... [2021-11-20 07:45:44,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aec59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:44, skipping insertion in model container [2021-11-20 07:45:44,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:43" (2/3) ... [2021-11-20 07:45:44,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aec59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:44, skipping insertion in model container [2021-11-20 07:45:44,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:44" (3/3) ... [2021-11-20 07:45:44,200 INFO L111 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2021-11-20 07:45:44,207 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:45:44,207 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:45:44,207 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:45:44,208 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:45:44,261 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,262 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,262 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,262 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,265 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,266 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,266 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,267 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,267 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,268 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,268 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,268 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,269 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,270 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,270 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,271 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,271 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,271 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,274 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,274 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,274 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,275 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,276 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,277 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,279 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,279 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,279 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,279 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,280 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,280 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,281 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,281 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,281 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,282 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,282 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,282 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,283 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,283 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,283 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,284 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,284 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,284 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,285 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,285 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,285 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,285 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,286 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,286 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,287 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,287 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,287 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,288 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,288 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,288 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,289 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,289 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,289 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,290 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,290 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,290 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,290 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,291 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,291 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,292 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,293 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,294 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,295 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,296 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,296 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,297 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,297 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,297 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,297 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,298 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,298 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,298 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,299 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,299 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,300 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,301 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,304 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,305 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,305 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,306 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,307 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,308 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,308 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,308 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,309 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,315 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,316 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,317 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,317 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,318 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,318 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,318 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,319 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,322 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,323 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,323 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,324 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,324 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,324 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,325 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,325 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,325 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,325 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,326 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,326 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,326 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,326 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,326 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,327 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,327 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,327 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,327 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,328 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,328 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,328 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,328 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,328 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,329 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,329 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,329 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,330 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,330 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,330 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,330 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,330 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,334 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,334 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,334 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,335 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,335 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,335 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,335 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,336 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,336 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,336 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,336 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,337 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,337 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,338 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,338 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,338 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,338 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,339 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,339 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:44,343 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:45:44,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:45:44,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:44,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:45:44,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:45:44,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-11-20 07:45:44,486 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 [2021-11-20 07:45:44,487 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:45:44,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:44,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:44,773 INFO L85 PathProgramCache]: Analyzing trace with hash 156445050, now seen corresponding path program 1 times [2021-11-20 07:45:44,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:44,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603521621] [2021-11-20 07:45:44,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:44,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:45,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:45,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603521621] [2021-11-20 07:45:45,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603521621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:45,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:45,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:45:45,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736107579] [2021-11-20 07:45:45,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:45,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:45:45,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:45,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:45:45,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:45:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,144 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:45,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:45,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:45:45,178 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:45,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:45,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1986405927, now seen corresponding path program 1 times [2021-11-20 07:45:45,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:45,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966098760] [2021-11-20 07:45:45,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:45,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:45,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:45,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966098760] [2021-11-20 07:45:45,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966098760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:45,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:45,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:45:45,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303295880] [2021-11-20 07:45:45,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:45,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:45:45,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:45,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:45:45,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:45:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,346 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:45,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:45,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:45:45,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:45:45,460 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:45,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:45,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1644178190, now seen corresponding path program 1 times [2021-11-20 07:45:45,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:45,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338031143] [2021-11-20 07:45:45,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:45,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:45,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:45,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338031143] [2021-11-20 07:45:45,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338031143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:45,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:45,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:45,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133811997] [2021-11-20 07:45:45,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:45,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:45,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:45,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:45,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:45,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:45,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:45:45,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:45:45,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:45:45,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:45:45,788 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:45,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:45,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1021442945, now seen corresponding path program 1 times [2021-11-20 07:45:45,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:45,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811501120] [2021-11-20 07:45:45,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:45,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:46,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:46,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811501120] [2021-11-20 07:45:46,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811501120] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:45:46,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182742194] [2021-11-20 07:45:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:46,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:45:46,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:46,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:45:46,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:45:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:46,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-20 07:45:46,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:45:46,542 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 [2021-11-20 07:45:46,726 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:45:46,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 07:45:46,818 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 11 treesize of output 7 [2021-11-20 07:45:47,238 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-20 07:45:47,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-11-20 07:45:47,497 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:47,527 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-20 07:45:47,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 25 [2021-11-20 07:45:47,604 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:47,650 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:45:47,651 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 1 case distinctions, treesize of input 23 treesize of output 30 [2021-11-20 07:45:47,912 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-20 07:45:47,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-20 07:45:47,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 07:45:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:48,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:45:53,017 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:45:53,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 89 [2021-11-20 07:45:53,061 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 8 treesize of output 4 [2021-11-20 07:45:53,136 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 17 treesize of output 13 [2021-11-20 07:45:53,175 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:45:53,176 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 65 treesize of output 65 [2021-11-20 07:45:54,589 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:45:54,589 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 53 treesize of output 53 [2021-11-20 07:45:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:54,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182742194] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:45:54,730 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:45:54,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 30 [2021-11-20 07:45:54,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557156980] [2021-11-20 07:45:54,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:45:54,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-20 07:45:54,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:54,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-20 07:45:54,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=735, Unknown=5, NotChecked=0, Total=870 [2021-11-20 07:45:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:54,736 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:54,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.0) internal successors, (210), 30 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:45:54,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:54,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:45:54,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:45:54,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:45:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:45:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-20 07:45:56,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:45:56,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:45:56,370 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:45:56,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1961431671, now seen corresponding path program 2 times [2021-11-20 07:45:56,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:56,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121182097] [2021-11-20 07:45:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:56,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:57,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:57,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121182097] [2021-11-20 07:45:57,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121182097] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:45:57,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932958229] [2021-11-20 07:45:57,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:45:57,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:45:57,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:57,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:45:57,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:45:57,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:45:57,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:45:57,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-20 07:45:57,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:45:57,685 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 [2021-11-20 07:45:57,786 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:45:57,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 07:45:57,865 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 11 treesize of output 7 [2021-11-20 07:45:58,234 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-20 07:45:58,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-11-20 07:45:58,481 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:58,519 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 07:45:58,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 40 [2021-11-20 07:45:58,660 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:58,700 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:45:58,701 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 1 case distinctions, treesize of input 28 treesize of output 35 [2021-11-20 07:45:59,004 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-20 07:45:59,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-11-20 07:45:59,229 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:59,270 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 07:45:59,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 40 [2021-11-20 07:45:59,527 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 07:45:59,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 07:46:00,401 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-11-20 07:46:00,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 56 [2021-11-20 07:46:01,088 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:01,137 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-11-20 07:46:01,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 52 [2021-11-20 07:46:01,327 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:46:01,424 INFO L354 Elim1Store]: treesize reduction 60, result has 43.4 percent of original size [2021-11-20 07:46:01,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 76 [2021-11-20 07:46:14,895 INFO L354 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2021-11-20 07:46:14,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 91 treesize of output 95 [2021-11-20 07:46:15,560 INFO L354 Elim1Store]: treesize reduction 32, result has 43.9 percent of original size [2021-11-20 07:46:15,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 75 [2021-11-20 07:46:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:15,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:46:33,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:46:33,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 246 treesize of output 246 [2021-11-20 07:46:33,160 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 8 treesize of output 4 [2021-11-20 07:46:33,226 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:46:33,226 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 63 treesize of output 66 [2021-11-20 07:46:41,198 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 07:46:41,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 239 treesize of output 1 [2021-11-20 07:46:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 170 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:46:41,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932958229] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:46:41,229 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:46:41,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 20] total 55 [2021-11-20 07:46:41,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477371833] [2021-11-20 07:46:41,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:46:41,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-11-20 07:46:41,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:41,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-11-20 07:46:41,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2540, Unknown=12, NotChecked=0, Total=2970 [2021-11-20 07:46:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:41,238 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:46:41,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.872727272727273) internal successors, (378), 55 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:46:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:46:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:46:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-20 07:46:41,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:46:52,956 WARN L227 SmtUtils]: Spent 9.80s on a formula simplification. DAG size of input: 131 DAG size of output: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:48:17,670 WARN L227 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:48:50,586 WARN L227 SmtUtils]: Spent 9.20s on a formula simplification. DAG size of input: 117 DAG size of output: 77 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:49:46,991 WARN L227 SmtUtils]: Spent 19.90s on a formula simplification. DAG size of input: 114 DAG size of output: 74 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:49:59,477 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse11 (= (+ c_~next_alloc_idx~0 4) 0)) (.cse12 (< 60 c_~next_alloc_idx~0))) (and (or (= c_~next_alloc_idx~0 0) (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (or (not (= (select (select (let ((.cse0 (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0 c_~next_alloc_idx~0)))) (store .cse0 |c_ULTIMATE.start_main_~#t~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|))) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0) 0)) (not (= 0 (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| 0) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|))))) (< 64 c_~next_alloc_idx~0)) (or (= 0 (+ 2 c_~next_alloc_idx~0)) (< 62 c_~next_alloc_idx~0) (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_12| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (let ((.cse2 (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38|)) (.cse1 (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| 0))) (or (not (= (select (store .cse1 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| 0) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0)) (not (= (+ (select .cse2 0) 1) 0)) (not (= (select (select (let ((.cse3 (let ((.cse4 (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| (store .cse2 |v_thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_12| c_~next_alloc_idx~0)))) (store .cse4 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| (store (select .cse4 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0 (+ 2 c_~next_alloc_idx~0)))))) (store .cse3 |c_ULTIMATE.start_main_~#t~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|))) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0) 0)) (not (= (select .cse1 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38|) 0)))))) (or (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_12| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_41| Int)) (let ((.cse9 (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| 0)) (.cse7 (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_41| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_41|) 0 c_~next_alloc_idx~0)))) (let ((.cse8 (select .cse7 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38|)) (.cse10 (store .cse9 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_41| 0))) (or (not (= (select (select (let ((.cse5 (let ((.cse6 (store .cse7 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| (store .cse8 |v_thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_12| (+ 2 c_~next_alloc_idx~0))))) (store .cse6 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| (store (select .cse6 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0 (+ c_~next_alloc_idx~0 4)))))) (store .cse5 |c_ULTIMATE.start_main_~#t~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|))) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0) 0)) (not (= (select .cse9 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_41|) 0)) (not (= (select (store .cse10 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| 0) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0)) (not (= (+ (select .cse8 0) 1) 0)) (not (= (select .cse10 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38|) 0)))))) .cse11 .cse12) (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|)) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) (or .cse11 .cse12 (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_12| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (let ((.cse15 (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| (store (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| c_~next_alloc_idx~0)))) (let ((.cse16 (select .cse15 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38|)) (.cse17 (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| 0))) (or (not (= (select (select (let ((.cse13 (let ((.cse14 (store .cse15 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| (store .cse16 |v_thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_12| (+ 2 c_~next_alloc_idx~0))))) (store .cse14 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35| (store (select .cse14 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0 (+ c_~next_alloc_idx~0 4)))))) (store .cse13 |c_ULTIMATE.start_main_~#t~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|))) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0) 0)) (not (= (+ (select .cse16 0) 1) 0)) (not (= (select (store .cse17 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38| 0) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_35|) 0)) (not (= (select .cse17 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_38|) 0))))))))) is different from false [2021-11-20 07:50:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:50:42,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:50:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:50:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-20 07:50:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-20 07:50:42,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:50:42,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:50:42,897 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:50:42,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:50:42,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1558408946, now seen corresponding path program 3 times [2021-11-20 07:50:42,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:50:42,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993514995] [2021-11-20 07:50:42,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:50:42,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:50:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:50:43,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:50:43,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993514995] [2021-11-20 07:50:43,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993514995] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:50:43,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800181195] [2021-11-20 07:50:43,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:50:43,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:50:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:50:43,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:50:43,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:50:44,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-20 07:50:44,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:50:44,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-20 07:50:44,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:50:44,145 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 [2021-11-20 07:50:44,264 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 07:50:44,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-20 07:50:44,324 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 11 treesize of output 7 [2021-11-20 07:50:44,695 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-20 07:50:44,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-11-20 07:50:44,900 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:50:44,936 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-20 07:50:44,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 37 [2021-11-20 07:50:45,080 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:50:45,113 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:50:45,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 39 [2021-11-20 07:50:46,280 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-11-20 07:50:46,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 67 [2021-11-20 07:50:48,230 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:50:48,312 INFO L354 Elim1Store]: treesize reduction 46, result has 43.9 percent of original size [2021-11-20 07:50:48,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 76 [2021-11-20 07:50:49,852 INFO L354 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2021-11-20 07:50:49,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 87 [2021-11-20 07:51:03,902 INFO L354 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2021-11-20 07:51:03,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 82 treesize of output 124 [2021-11-20 07:51:14,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:51:14,878 INFO L354 Elim1Store]: treesize reduction 72, result has 42.4 percent of original size [2021-11-20 07:51:14,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 113 [2021-11-20 07:51:18,430 INFO L354 Elim1Store]: treesize reduction 88, result has 43.9 percent of original size [2021-11-20 07:51:18,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 157 [2021-11-20 07:51:24,567 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-11-20 07:51:24,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 161 treesize of output 166 [2021-11-20 07:51:36,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:51:36,152 INFO L354 Elim1Store]: treesize reduction 32, result has 34.7 percent of original size [2021-11-20 07:51:36,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 168 treesize of output 162 [2021-11-20 07:51:38,306 INFO L354 Elim1Store]: treesize reduction 100, result has 25.4 percent of original size [2021-11-20 07:51:38,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 85 treesize of output 90 [2021-11-20 07:51:41,483 INFO L354 Elim1Store]: treesize reduction 144, result has 20.4 percent of original size [2021-11-20 07:51:41,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 83 treesize of output 91 [2021-11-20 07:51:49,475 WARN L227 SmtUtils]: Spent 7.78s on a formula simplification. DAG size of input: 30 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 07:51:49,725 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:51:49,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 44 treesize of output 116 [2021-11-20 07:51:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:51:49,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:51:50,810 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|)) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) is different from false [2021-11-20 07:52:07,002 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:52:07,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 431 treesize of output 431 [2021-11-20 07:52:07,071 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 8 treesize of output 4 [2021-11-20 07:52:07,131 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:52:07,132 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 291 treesize of output 290 [2021-11-20 07:52:15,676 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 102 treesize of output 100 [2021-11-20 07:52:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2021-11-20 07:52:16,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800181195] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:52:16,030 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:52:16,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 27] total 70 [2021-11-20 07:52:16,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136796544] [2021-11-20 07:52:16,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:52:16,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-11-20 07:52:16,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:52:16,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-11-20 07:52:16,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=604, Invalid=4087, Unknown=5, NotChecked=134, Total=4830 [2021-11-20 07:52:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:52:16,037 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:52:16,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.485714285714286) internal successors, (454), 70 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:52:16,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:52:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:52:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:52:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-20 07:52:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-20 07:52:16,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:53:51,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:53:51,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:53:51,647 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: at most one deprecated predicate at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:980) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:133) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:502) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:198) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:127) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:91) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 07:53:51,652 INFO L158 Benchmark]: Toolchain (without parser) took 488915.80ms. Allocated memory was 83.9MB in the beginning and 283.1MB in the end (delta: 199.2MB). Free memory was 46.0MB in the beginning and 181.4MB in the end (delta: -135.4MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2021-11-20 07:53:51,653 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:53:51,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.69ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.8MB in the beginning and 76.1MB in the end (delta: -30.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:53:51,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.25ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:53:51,654 INFO L158 Benchmark]: Boogie Preprocessor took 47.81ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:53:51,654 INFO L158 Benchmark]: RCFGBuilder took 617.59ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 57.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 07:53:51,655 INFO L158 Benchmark]: TraceAbstraction took 487460.28ms. Allocated memory was 111.1MB in the beginning and 283.1MB in the end (delta: 172.0MB). Free memory was 57.2MB in the beginning and 181.4MB in the end (delta: -124.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-20 07:53:51,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.69ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.8MB in the beginning and 76.1MB in the end (delta: -30.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.25ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.81ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.59ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 57.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 487460.28ms. Allocated memory was 111.1MB in the beginning and 283.1MB in the end (delta: 172.0MB). Free memory was 57.2MB in the beginning and 181.4MB in the end (delta: -124.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: at most one deprecated predicate de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: at most one deprecated predicate: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:980) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 07:53:51,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:53:52,068 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 07:53:52,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d --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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:53:54,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:53:54,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:53:54,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:53:54,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:53:54,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:53:54,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:53:54,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:53:54,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:53:54,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:53:54,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:53:54,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:53:54,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:53:54,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:53:54,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:53:54,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:53:54,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:53:54,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:53:54,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:53:54,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:53:54,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:53:54,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:53:54,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:53:54,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:53:54,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:53:54,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:53:54,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:53:54,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:53:54,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:53:54,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:53:54,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:53:54,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:53:54,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:53:54,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:53:54,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:53:54,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:53:54,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:53:54,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:53:54,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:53:54,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:53:54,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:53:54,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-20 07:53:55,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:53:55,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:53:55,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:53:55,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:53:55,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:53:55,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:53:55,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:53:55,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:53:55,042 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:53:55,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:53:55,043 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:53:55,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:53:55,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:53:55,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:53:55,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:53:55,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:53:55,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:53:55,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:53:55,045 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:53:55,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:53:55,046 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:53:55,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:53:55,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:53:55,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:53:55,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:53:55,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:53:55,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:53:55,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:53:55,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:53:55,049 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:53:55,049 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:53:55,049 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:53:55,050 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:53:55,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:53:55,050 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:53:55,051 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:53:55,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:53:55,051 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2021-11-20 07:53:55,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:53:55,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:53:55,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:53:55,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:53:55,576 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:53:55,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-20 07:53:55,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/b10e7aaac/fa07860bd7b744f6817b690ff8a4bc87/FLAG51d0f5d69 [2021-11-20 07:53:56,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:53:56,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-20 07:53:56,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/b10e7aaac/fa07860bd7b744f6817b690ff8a4bc87/FLAG51d0f5d69 [2021-11-20 07:53:56,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/data/b10e7aaac/fa07860bd7b744f6817b690ff8a4bc87 [2021-11-20 07:53:56,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:53:56,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:53:56,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:53:56,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:53:56,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:53:56,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:56" (1/1) ... [2021-11-20 07:53:56,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd68c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:56, skipping insertion in model container [2021-11-20 07:53:56,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:53:56" (1/1) ... [2021-11-20 07:53:56,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:53:56,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:53:57,260 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_6afdde1c-94c9-4a1a-b188-6b866f843ce5/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-20 07:53:57,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:53:57,286 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:53:57,360 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_6afdde1c-94c9-4a1a-b188-6b866f843ce5/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-20 07:53:57,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:53:57,434 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:53:57,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57 WrapperNode [2021-11-20 07:53:57,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:53:57,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:53:57,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:53:57,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:53:57,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,535 INFO L137 Inliner]: procedures = 175, calls = 26, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 84 [2021-11-20 07:53:57,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:53:57,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:53:57,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:53:57,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:53:57,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:53:57,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:53:57,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:53:57,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:53:57,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (1/1) ... [2021-11-20 07:53:57,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:53:57,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:53:57,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:53:57,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:53:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 07:53:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-20 07:53:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-20 07:53:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:53:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:53:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:53:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 07:53:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 07:53:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 07:53:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:53:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:53:57,744 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:53:57,954 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:53:57,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:53:58,270 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:53:58,337 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:53:58,338 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:53:58,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:58 BoogieIcfgContainer [2021-11-20 07:53:58,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:53:58,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:53:58,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:53:58,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:53:58,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:53:56" (1/3) ... [2021-11-20 07:53:58,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0e68e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:58, skipping insertion in model container [2021-11-20 07:53:58,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:53:57" (2/3) ... [2021-11-20 07:53:58,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0e68e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:53:58, skipping insertion in model container [2021-11-20 07:53:58,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:53:58" (3/3) ... [2021-11-20 07:53:58,362 INFO L111 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2021-11-20 07:53:58,373 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:53:58,374 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:53:58,374 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:53:58,374 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:53:58,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,445 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,446 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,446 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,447 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,448 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,449 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,450 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,452 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,453 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,454 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,455 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,456 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,456 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,457 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,458 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,459 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,459 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,459 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,460 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,461 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,461 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,461 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,462 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,463 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,464 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,465 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,466 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,467 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,468 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,469 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,470 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,470 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,471 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,472 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,472 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,472 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,473 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,473 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,473 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,473 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,474 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,474 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,474 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,475 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,475 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,475 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,475 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,476 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,476 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,476 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,477 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,477 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,477 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,477 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,478 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,478 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,478 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,479 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,479 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,479 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,479 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,480 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,480 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,480 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,481 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,481 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,481 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,482 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,482 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,482 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,482 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,483 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,483 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,483 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,483 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,484 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,484 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,484 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,484 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,485 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,485 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,485 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,486 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,486 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,486 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,487 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,487 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,491 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,491 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,492 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,492 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,492 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,492 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,493 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,493 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,493 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,494 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,494 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,494 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,494 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,495 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,495 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,495 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,495 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,496 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,496 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:53:58,497 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:53:58,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:53:58,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:53:58,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:53:58,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:53:58,652 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-11-20 07:53:58,660 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 [2021-11-20 07:53:58,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:53:58,999 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:53:59,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:53:59,006 INFO L85 PathProgramCache]: Analyzing trace with hash -377241017, now seen corresponding path program 1 times [2021-11-20 07:53:59,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:53:59,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152131671] [2021-11-20 07:53:59,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:53:59,023 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:53:59,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat [2021-11-20 07:53:59,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:53:59,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 07:53:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:53:59,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 07:53:59,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:53:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:53:59,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:53:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:53:59,537 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:53:59,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152131671] [2021-11-20 07:53:59,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152131671] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:53:59,538 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:53:59,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 07:53:59,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013551805] [2021-11-20 07:53:59,542 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:53:59,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:53:59,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:53:59,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:53:59,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:53:59,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:53:59,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:53:59,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:53:59,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:53:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:53:59,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-20 07:53:59,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 [2021-11-20 07:53:59,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:53:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:53:59,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1310884946, now seen corresponding path program 1 times [2021-11-20 07:53:59,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:53:59,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022088840] [2021-11-20 07:53:59,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:53:59,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:53:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat [2021-11-20 07:53:59,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:53:59,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 07:53:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:53:59,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:53:59,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:54:00,252 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 11 treesize of output 7 [2021-11-20 07:54:00,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 07:54:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:54:00,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:54:00,541 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:54:00,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 57 [2021-11-20 07:54:00,655 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 8 treesize of output 4 [2021-11-20 07:54:00,710 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 8 treesize of output 4 [2021-11-20 07:54:00,745 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 24 treesize of output 16 [2021-11-20 07:54:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:54:01,118 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:54:01,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022088840] [2021-11-20 07:54:01,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022088840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:54:01,125 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:54:01,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-20 07:54:01,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562444134] [2021-11-20 07:54:01,126 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:54:01,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:54:01,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:54:01,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:54:01,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:54:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:01,130 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:54:01,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:54:01,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:01,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:01,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:54:01,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-20 07:54:01,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 [2021-11-20 07:54:01,605 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:54:01,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:54:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash 442291143, now seen corresponding path program 1 times [2021-11-20 07:54:01,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:54:01,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346345910] [2021-11-20 07:54:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:54:01,608 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:54:01,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat [2021-11-20 07:54:01,609 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:54:01,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 07:54:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:54:01,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 07:54:01,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:54:01,842 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 11 treesize of output 7 [2021-11-20 07:54:01,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 07:54:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:54:01,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:54:02,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:54:02,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 57 [2021-11-20 07:54:02,263 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 8 treesize of output 4 [2021-11-20 07:54:02,297 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 8 treesize of output 4 [2021-11-20 07:54:02,333 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 24 treesize of output 16 [2021-11-20 07:54:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:54:02,608 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:54:02,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346345910] [2021-11-20 07:54:02,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346345910] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:54:02,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:54:02,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 07:54:02,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882481858] [2021-11-20 07:54:02,609 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:54:02,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:54:02,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:54:02,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:54:02,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:54:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:02,611 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:54:02,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:54:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:54:02,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:03,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:03,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:03,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:54:03,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:54:03,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 [2021-11-20 07:54:03,487 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:54:03,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:54:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1660748625, now seen corresponding path program 1 times [2021-11-20 07:54:03,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:54:03,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497004956] [2021-11-20 07:54:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:54:03,489 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:54:03,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat [2021-11-20 07:54:03,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:54:03,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 07:54:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:54:03,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:54:03,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:54:03,778 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 11 treesize of output 7 [2021-11-20 07:54:04,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:04,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:04,195 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:54:04,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2021-11-20 07:54:04,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:04,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:04,591 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:54:04,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2021-11-20 07:54:04,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 07:54:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:54:04,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:54:05,935 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:54:05,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 68 [2021-11-20 07:54:06,046 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 8 treesize of output 4 [2021-11-20 07:54:06,057 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 8 treesize of output 4 [2021-11-20 07:54:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:54:06,504 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:54:06,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497004956] [2021-11-20 07:54:06,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497004956] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:54:06,505 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:54:06,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-11-20 07:54:06,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722517862] [2021-11-20 07:54:06,505 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:54:06,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 07:54:06,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:54:06,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 07:54:06,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:54:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:06,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:54:06,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.785714285714286) internal successors, (207), 14 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:54:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:54:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:07,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:07,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:07,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:54:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:54:07,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:54:07,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 [2021-11-20 07:54:07,225 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:54:07,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:54:07,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1867740779, now seen corresponding path program 1 times [2021-11-20 07:54:07,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:54:07,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111621601] [2021-11-20 07:54:07,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:54:07,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:54:07,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat [2021-11-20 07:54:07,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:54:07,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 07:54:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:54:07,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 07:54:07,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:54:07,544 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 11 treesize of output 7 [2021-11-20 07:54:07,835 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:07,835 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:07,878 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:54:07,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2021-11-20 07:54:08,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:08,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:08,217 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:54:08,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2021-11-20 07:54:08,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 07:54:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 157 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-20 07:54:08,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:54:09,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 07:54:09,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 68 [2021-11-20 07:54:09,765 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 8 treesize of output 4 [2021-11-20 07:54:09,776 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 8 treesize of output 4 [2021-11-20 07:54:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 157 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-20 07:54:10,209 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:54:10,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111621601] [2021-11-20 07:54:10,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111621601] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:54:10,209 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:54:10,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-11-20 07:54:10,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350288483] [2021-11-20 07:54:10,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:54:10,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 07:54:10,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:54:10,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 07:54:10,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:54:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:10,213 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:54:10,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.5) internal successors, (210), 12 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:54:10,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:10,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:10,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:54:10,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:54:10,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:54:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 07:54:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:54:11,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:54:11,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 [2021-11-20 07:54:11,196 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:54:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:54:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1400349536, now seen corresponding path program 2 times [2021-11-20 07:54:11,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:54:11,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270862672] [2021-11-20 07:54:11,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:54:11,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:54:11,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat [2021-11-20 07:54:11,199 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:54:11,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 07:54:11,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:54:11,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:54:11,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:54:11,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:54:11,725 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 16 treesize of output 8 [2021-11-20 07:54:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-20 07:54:11,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:54:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-20 07:54:12,102 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:54:12,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270862672] [2021-11-20 07:54:12,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270862672] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:54:12,103 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:54:12,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-20 07:54:12,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543690179] [2021-11-20 07:54:12,104 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:54:12,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:54:12,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:54:12,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:54:12,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:54:12,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:12,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:54:12,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:54:12,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:12,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:12,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:54:12,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-20 07:54:12,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:54:12,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:54:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:54:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 07:54:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:54:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:54:12,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:54:12,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 [2021-11-20 07:54:12,683 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:54:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:54:12,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1849820039, now seen corresponding path program 1 times [2021-11-20 07:54:12,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:54:12,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227356205] [2021-11-20 07:54:12,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:54:12,685 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:54:12,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat [2021-11-20 07:54:12,687 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:54:12,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6afdde1c-94c9-4a1a-b188-6b866f843ce5/bin/ugemcutter-b9s2R6iq4d/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 07:54:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:54:13,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-20 07:54:13,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:54:13,193 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 [2021-11-20 07:54:13,331 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-20 07:54:13,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-11-20 07:54:13,414 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 11 treesize of output 7 [2021-11-20 07:54:13,900 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-11-20 07:54:13,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 36 [2021-11-20 07:54:14,137 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:14,195 INFO L354 Elim1Store]: treesize reduction 38, result has 39.7 percent of original size [2021-11-20 07:54:14,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 36 treesize of output 53 [2021-11-20 07:54:14,265 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:14,265 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:14,330 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:54:14,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2021-11-20 07:54:14,824 INFO L354 Elim1Store]: treesize reduction 20, result has 28.6 percent of original size [2021-11-20 07:54:14,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 41 [2021-11-20 07:54:15,136 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:15,202 INFO L354 Elim1Store]: treesize reduction 22, result has 53.2 percent of original size [2021-11-20 07:54:15,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 55 [2021-11-20 07:54:15,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:15,482 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-20 07:54:15,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 42 [2021-11-20 07:54:17,113 INFO L354 Elim1Store]: treesize reduction 27, result has 57.1 percent of original size [2021-11-20 07:54:17,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 93 [2021-11-20 07:54:20,044 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:54:20,155 INFO L354 Elim1Store]: treesize reduction 34, result has 58.5 percent of original size [2021-11-20 07:54:20,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 105 [2021-11-20 07:54:22,278 INFO L354 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2021-11-20 07:54:22,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 85 treesize of output 83 [2021-11-20 07:54:31,631 INFO L354 Elim1Store]: treesize reduction 62, result has 41.5 percent of original size [2021-11-20 07:54:31,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 86 treesize of output 120 [2021-11-20 07:54:40,873 INFO L354 Elim1Store]: treesize reduction -14, result has 104.6 percent of original size [2021-11-20 07:54:40,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 179 treesize of output 473