./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.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_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/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_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/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_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/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 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:48:06,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:48:06,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:48:06,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:48:06,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:48:06,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:48:06,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:48:06,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:48:06,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:48:06,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:48:06,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:48:06,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:48:06,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:48:06,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:48:06,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:48:06,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:48:06,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:48:06,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:48:06,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:48:06,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:48:06,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:48:06,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:48:06,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:48:06,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:48:06,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:48:06,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:48:06,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:48:06,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:48:06,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:48:06,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:48:06,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:48:06,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:48:06,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:48:06,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:48:06,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:48:06,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:48:06,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:48:06,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:48:06,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:48:06,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:48:06,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:48:06,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:48:06,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:48:06,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:48:06,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:48:06,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:48:06,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:48:06,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:48:06,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:48:06,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:48:06,182 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:48:06,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:48:06,182 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:48:06,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:48:06,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:48:06,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:48:06,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:48:06,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:48:06,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:48:06,184 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:48:06,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:48:06,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:48:06,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:48:06,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:48:06,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:48:06,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:48:06,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:48:06,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:48:06,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:48:06,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:48:06,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:48:06,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:48:06,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:48:06,187 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:48:06,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:48:06,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:48:06,188 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:48:06,188 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:48:06,189 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_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 [2021-11-20 07:48:06,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:48:06,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:48:06,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:48:06,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:48:06,502 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:48:06,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2021-11-20 07:48:06,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/data/c986cc473/9c0e03cd6b674cbab7e388ad0c067edf/FLAGa2ead2d03 [2021-11-20 07:48:07,199 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:48:07,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2021-11-20 07:48:07,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/data/c986cc473/9c0e03cd6b674cbab7e388ad0c067edf/FLAGa2ead2d03 [2021-11-20 07:48:07,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/data/c986cc473/9c0e03cd6b674cbab7e388ad0c067edf [2021-11-20 07:48:07,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:48:07,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:48:07,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:48:07,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:48:07,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:48:07,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:07" (1/1) ... [2021-11-20 07:48:07,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab9dc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:07, skipping insertion in model container [2021-11-20 07:48:07,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:07" (1/1) ... [2021-11-20 07:48:07,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:48:07,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:48:07,740 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_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2021-11-20 07:48:07,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:48:07,929 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:48:07,943 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_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2021-11-20 07:48:07,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:48:08,041 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:48:08,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08 WrapperNode [2021-11-20 07:48:08,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:48:08,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:48:08,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:48:08,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:48:08,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,112 INFO L137 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2021-11-20 07:48:08,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:48:08,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:48:08,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:48:08,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:48:08,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:48:08,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:48:08,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:48:08,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:48:08,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (1/1) ... [2021-11-20 07:48:08,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:48:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:08,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:48:08,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:48:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:48:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2021-11-20 07:48:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2021-11-20 07:48:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:48:08,319 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 07:48:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:48:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:48:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:48:08,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:48:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:48:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:48:08,323 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 07:48:08,521 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:48:08,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:48:08,864 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:48:08,874 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:48:08,874 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 07:48:08,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:08 BoogieIcfgContainer [2021-11-20 07:48:08,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:48:08,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:48:08,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:48:08,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:48:08,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:48:07" (1/3) ... [2021-11-20 07:48:08,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f50441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:08, skipping insertion in model container [2021-11-20 07:48:08,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:08" (2/3) ... [2021-11-20 07:48:08,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f50441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:08, skipping insertion in model container [2021-11-20 07:48:08,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:08" (3/3) ... [2021-11-20 07:48:08,887 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2021-11-20 07:48:08,893 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:48:08,893 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:48:08,893 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:48:08,893 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:48:08,929 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,929 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,929 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,929 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,930 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,930 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,930 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,930 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,931 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,931 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,931 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,931 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,932 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,932 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,932 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,932 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,933 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,933 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,933 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,933 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,933 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,934 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,934 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,934 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,934 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,934 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,934 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,935 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,935 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,935 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,935 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,935 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,935 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,936 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,936 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,936 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,936 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,936 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,937 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,937 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,937 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,937 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,937 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,937 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,938 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,938 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,938 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,938 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,939 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,939 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,939 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,939 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,939 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,940 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,940 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,940 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,940 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,940 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,941 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,941 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,941 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,941 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,941 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,942 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,942 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,942 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,942 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,942 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,943 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,943 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,943 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,943 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,943 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,944 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,944 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,944 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,944 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,944 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,944 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,944 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,945 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,945 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,945 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,945 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,945 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,946 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,946 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,946 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,951 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,951 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,951 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,952 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,953 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,954 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,954 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,957 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,957 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,958 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,958 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,958 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,959 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,959 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,960 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,960 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,960 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,961 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,961 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,961 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,961 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,962 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,962 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,962 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,962 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,963 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,963 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,963 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,964 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,964 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,965 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,965 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,965 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,966 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,966 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,966 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,966 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,967 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,967 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,967 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,967 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,968 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,968 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,968 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,968 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,969 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,969 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,969 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,969 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,970 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,970 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,970 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,971 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,971 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,972 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,972 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,972 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,973 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,973 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,974 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,974 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,974 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,974 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,975 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,975 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,975 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,975 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,976 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,976 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,976 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,976 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,977 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,978 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,979 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,979 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,979 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,980 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,980 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,980 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,980 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,981 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,983 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,989 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,989 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,989 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,990 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,990 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,990 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,990 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,991 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~got~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,991 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,991 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,991 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,992 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,992 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,992 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,992 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,993 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_~qp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,993 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,993 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,993 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,993 WARN L322 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:08,999 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:48:09,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:48:09,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:09,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:48:09,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:48:09,136 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2021-11-20 07:48:09,144 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 07:48:09,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 07:48:09,340 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:09,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:09,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1865521660, now seen corresponding path program 1 times [2021-11-20 07:48:09,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:09,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824547267] [2021-11-20 07:48:09,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:09,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:09,648 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 07:48:09,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:09,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824547267] [2021-11-20 07:48:09,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824547267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:09,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:09,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:48:09,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493321700] [2021-11-20 07:48:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:09,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:48:09,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:09,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:48:09,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:48:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:09,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:09,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 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 07:48:09,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:09,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:48:09,756 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:09,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash 326788120, now seen corresponding path program 1 times [2021-11-20 07:48:09,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:09,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811342507] [2021-11-20 07:48:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:09,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:10,052 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 07:48:10,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:10,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811342507] [2021-11-20 07:48:10,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811342507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:10,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:10,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:48:10,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368708782] [2021-11-20 07:48:10,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:10,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:48:10,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:10,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:48:10,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:48:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:10,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:10,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 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 07:48:10,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:10,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:10,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:10,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:48:10,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:48:10,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:10,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:10,490 INFO L85 PathProgramCache]: Analyzing trace with hash 489359410, now seen corresponding path program 1 times [2021-11-20 07:48:10,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:10,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623999276] [2021-11-20 07:48:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:10,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 07:48:11,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:11,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623999276] [2021-11-20 07:48:11,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623999276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:11,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:11,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-20 07:48:11,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590253307] [2021-11-20 07:48:11,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:11,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 07:48:11,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:11,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 07:48:11,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:48:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:11,113 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:11,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 0 states have call successors, (0), 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 07:48:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:48:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-20 07:48:12,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:48:12,369 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:12,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:12,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1505738330, now seen corresponding path program 1 times [2021-11-20 07:48:12,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:12,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586146147] [2021-11-20 07:48:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:12,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 89 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-20 07:48:12,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:12,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586146147] [2021-11-20 07:48:12,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586146147] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:48:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867969464] [2021-11-20 07:48:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:12,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:12,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:12,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:48:12,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:48:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:12,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-20 07:48:12,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:48:14,367 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 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-20 07:48:14,750 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 12 [2021-11-20 07:48:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 73 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-20 07:48:14,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:48:15,469 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-20 07:48:15,470 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 42 treesize of output 30 [2021-11-20 07:48:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 89 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-20 07:48:15,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867969464] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:48:15,738 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:48:15,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 16] total 36 [2021-11-20 07:48:15,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843707042] [2021-11-20 07:48:15,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:48:15,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-20 07:48:15,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:15,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-20 07:48:15,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1110, Unknown=0, NotChecked=0, Total=1260 [2021-11-20 07:48:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:15,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:15,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.472222222222221) internal successors, (305), 36 states have internal predecessors, (305), 0 states have call successors, (0), 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 07:48:15,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:15,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:15,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-20 07:48:15,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:17,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:17,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:17,811 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:17,811 INFO L85 PathProgramCache]: Analyzing trace with hash 580500165, now seen corresponding path program 1 times [2021-11-20 07:48:17,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:17,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137794511] [2021-11-20 07:48:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:17,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 23 proven. 122 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-20 07:48:19,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:19,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137794511] [2021-11-20 07:48:19,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137794511] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:48:19,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616950546] [2021-11-20 07:48:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:19,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:19,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:19,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:48:19,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:48:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:19,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 07:48:19,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:48:19,502 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 13 treesize of output 9 [2021-11-20 07:48:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-20 07:48:19,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:48:19,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616950546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:19,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:48:19,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [40] total 45 [2021-11-20 07:48:19,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587460379] [2021-11-20 07:48:19,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:19,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:48:19,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:19,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:48:19,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1848, Unknown=0, NotChecked=0, Total=1980 [2021-11-20 07:48:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:19,903 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:19,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 0 states have call successors, (0), 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 07:48:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:20,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:20,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:20,591 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:20,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:20,591 INFO L85 PathProgramCache]: Analyzing trace with hash 644803707, now seen corresponding path program 1 times [2021-11-20 07:48:20,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:20,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122482294] [2021-11-20 07:48:20,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:20,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:21,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:21,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122482294] [2021-11-20 07:48:21,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122482294] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:48:21,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119913755] [2021-11-20 07:48:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:21,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:21,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:48:21,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:48:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:21,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-20 07:48:21,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:48:21,911 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 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-20 07:48:22,633 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 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-20 07:48:22,740 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 07:48:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:22,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:48:23,770 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-11-20 07:48:23,771 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 42 treesize of output 30 [2021-11-20 07:48:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:23,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119913755] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:48:23,919 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:48:23,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 17] total 44 [2021-11-20 07:48:23,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189809416] [2021-11-20 07:48:23,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:48:23,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-11-20 07:48:23,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:23,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-11-20 07:48:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1677, Unknown=0, NotChecked=0, Total=1892 [2021-11-20 07:48:23,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:23,923 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:23,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.931818181818182) internal successors, (261), 44 states have internal predecessors, (261), 0 states have call successors, (0), 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 07:48:23,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:23,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:23,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:23,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:23,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:23,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-20 07:48:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:26,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:26,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:26,415 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:26,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:26,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1938685600, now seen corresponding path program 1 times [2021-11-20 07:48:26,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:26,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138053921] [2021-11-20 07:48:26,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:26,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:26,614 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 07:48:26,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:26,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138053921] [2021-11-20 07:48:26,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138053921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:26,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:26,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-20 07:48:26,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464779154] [2021-11-20 07:48:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:26,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 07:48:26,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:26,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 07:48:26,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:48:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:26,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:26,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 0 states have call successors, (0), 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 07:48:26,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:26,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:26,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-20 07:48:26,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:26,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:26,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:26,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-20 07:48:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:27,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:48:27,480 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:27,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:27,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2017613786, now seen corresponding path program 1 times [2021-11-20 07:48:27,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:27,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461295058] [2021-11-20 07:48:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:27,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:27,876 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 07:48:27,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:27,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461295058] [2021-11-20 07:48:27,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461295058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:27,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:27,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-20 07:48:27,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188823059] [2021-11-20 07:48:27,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:27,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 07:48:27,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:27,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 07:48:27,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:48:27,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,878 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:27,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 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 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-20 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-20 07:48:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 07:48:28,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:48:28,940 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:28,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:28,940 INFO L85 PathProgramCache]: Analyzing trace with hash -154723924, now seen corresponding path program 1 times [2021-11-20 07:48:28,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:28,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160789467] [2021-11-20 07:48:28,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:28,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:29,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:29,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160789467] [2021-11-20 07:48:29,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160789467] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:48:29,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604997417] [2021-11-20 07:48:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:29,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:29,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:29,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:48:29,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:48:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:29,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-20 07:48:29,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:48:29,968 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 07:48:29,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-20 07:48:30,159 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 07:48:30,325 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-20 07:48:30,325 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 07:48:31,124 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 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-20 07:48:31,766 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 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-20 07:48:31,837 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 07:48:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:31,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:48:52,453 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 71 treesize of output 67 [2021-11-20 07:48:53,479 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-20 07:48:53,480 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 13 treesize of output 12 [2021-11-20 07:48:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:53,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604997417] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 07:48:53,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:48:53,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [29, 22] total 65 [2021-11-20 07:48:53,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513930932] [2021-11-20 07:48:53,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:53,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-20 07:48:53,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:53,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-20 07:48:53,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=3712, Unknown=7, NotChecked=0, Total=4160 [2021-11-20 07:48:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:53,500 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:53,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.818181818181818) internal successors, (106), 22 states have internal predecessors, (106), 0 states have call successors, (0), 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 07:48:53,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:53,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:53,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-20 07:48:53,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:53,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:53,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:53,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:53,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-20 07:48:53,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-20 07:48:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-20 07:48:56,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-20 07:48:56,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:56,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-20 07:48:56,343 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:48:56,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:56,343 INFO L85 PathProgramCache]: Analyzing trace with hash 490924190, now seen corresponding path program 1 times [2021-11-20 07:48:56,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:56,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648079981] [2021-11-20 07:48:56,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:56,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 07:48:56,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:56,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648079981] [2021-11-20 07:48:56,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648079981] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:48:56,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922895814] [2021-11-20 07:48:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:56,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:48:56,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:56,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:48:56,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:48:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:56,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-20 07:48:56,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:48:57,853 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 07:48:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 07:48:57,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:48:57,976 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-11-20 07:48:57,976 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 15 treesize of output 14 [2021-11-20 07:48:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-20 07:48:58,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922895814] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:48:58,441 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:48:58,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 20 [2021-11-20 07:48:58,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937644525] [2021-11-20 07:48:58,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:48:58,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 07:48:58,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:58,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 07:48:58,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-11-20 07:48:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:58,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:58,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.45) internal successors, (189), 20 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:48:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-20 07:48:58,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-20 07:48:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-20 07:48:58,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:59,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:59,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-20 07:48:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:48:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:48:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:48:59,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 07:48:59,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-20 07:48:59,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:48:59,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-20 07:48:59,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-20 07:48:59,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:59,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 07:48:59,409 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:48:59,410 INFO L308 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was SAFE,SAFE (1/2) [2021-11-20 07:48:59,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:48:59,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:59,414 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:48:59,433 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-20 07:48:59,434 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 07:48:59,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:48:59,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2021-11-20 07:48:59,447 INFO L732 BasicCegarLoop]: Path program histogram: [] [2021-11-20 07:48:59,451 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-11-20 07:48:59,452 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:48:59,453 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:48:59,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:48:59 BasicIcfg [2021-11-20 07:48:59,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:48:59,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:48:59,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:48:59,460 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:48:59,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:08" (3/4) ... [2021-11-20 07:48:59,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-11-20 07:48:59,468 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:48:59,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2021-11-20 07:48:59,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-20 07:48:59,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 07:48:59,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:48:59,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:48:59,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/witness.graphml [2021-11-20 07:48:59,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:48:59,530 INFO L158 Benchmark]: Toolchain (without parser) took 52058.72ms. Allocated memory was 117.4MB in the beginning and 249.6MB in the end (delta: 132.1MB). Free memory was 81.5MB in the beginning and 133.9MB in the end (delta: -52.4MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2021-11-20 07:48:59,530 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:48:59,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.43ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 82.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:48:59,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.77ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:48:59,532 INFO L158 Benchmark]: Boogie Preprocessor took 75.53ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:48:59,532 INFO L158 Benchmark]: RCFGBuilder took 685.94ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 64.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 07:48:59,533 INFO L158 Benchmark]: TraceAbstraction took 50579.77ms. Allocated memory was 117.4MB in the beginning and 249.6MB in the end (delta: 132.1MB). Free memory was 63.8MB in the beginning and 136.7MB in the end (delta: -72.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-20 07:48:59,533 INFO L158 Benchmark]: Witness Printer took 70.41ms. Allocated memory is still 249.6MB. Free memory was 136.7MB in the beginning and 133.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:48:59,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.43ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 82.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.77ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.53ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.94ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 64.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 50579.77ms. Allocated memory was 117.4MB in the beginning and 249.6MB in the end (delta: 132.1MB). Free memory was 63.8MB in the beginning and 136.7MB in the end (delta: -72.9MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Witness Printer took 70.41ms. Allocated memory is still 249.6MB. Free memory was 136.7MB in the beginning and 133.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9546, positive: 9229, positive conditional: 2977, positive unconditional: 6252, negative: 317, negative conditional: 300, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9284, positive: 9229, positive conditional: 2977, positive unconditional: 6252, negative: 55, negative conditional: 38, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9284, positive: 9229, positive conditional: 2977, positive unconditional: 6252, negative: 55, negative conditional: 38, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9498, positive: 9229, positive conditional: 2909, positive unconditional: 6320, negative: 269, negative conditional: 214, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9498, positive: 9229, positive conditional: 1962, positive unconditional: 7267, negative: 269, negative conditional: 170, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9498, positive: 9229, positive conditional: 1962, positive unconditional: 7267, negative: 269, negative conditional: 170, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4103, positive: 4066, positive conditional: 2, positive unconditional: 4064, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4103, positive: 4060, positive conditional: 0, positive unconditional: 4060, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, positive: 54, positive conditional: 6, positive unconditional: 48, negative: 165, negative conditional: 81, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9498, positive: 5163, positive conditional: 1960, positive unconditional: 3203, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 4103, unknown conditional: 22, unknown unconditional: 4081] , Statistics on independence cache: Total cache size (in pairs): 4103, Positive cache size: 4066, Positive conditional cache size: 2, Positive unconditional cache size: 4064, Negative cache size: 37, Negative conditional cache size: 20, Negative unconditional cache size: 17, Eliminated conditions: 991, Maximal queried relation: 8, Independence queries for same thread: 262 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 364, Number of trivial persistent sets: 239, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6269, positive: 6252, positive conditional: 0, positive unconditional: 6252, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9546, positive: 9229, positive conditional: 2977, positive unconditional: 6252, negative: 317, negative conditional: 300, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9284, positive: 9229, positive conditional: 2977, positive unconditional: 6252, negative: 55, negative conditional: 38, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9284, positive: 9229, positive conditional: 2977, positive unconditional: 6252, negative: 55, negative conditional: 38, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9498, positive: 9229, positive conditional: 2909, positive unconditional: 6320, negative: 269, negative conditional: 214, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9498, positive: 9229, positive conditional: 1962, positive unconditional: 7267, negative: 269, negative conditional: 170, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9498, positive: 9229, positive conditional: 1962, positive unconditional: 7267, negative: 269, negative conditional: 170, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4103, positive: 4066, positive conditional: 2, positive unconditional: 4064, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4103, positive: 4060, positive conditional: 0, positive unconditional: 4060, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, positive: 54, positive conditional: 6, positive unconditional: 48, negative: 165, negative conditional: 81, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9498, positive: 5163, positive conditional: 1960, positive unconditional: 3203, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 4103, unknown conditional: 22, unknown unconditional: 4081] , Statistics on independence cache: Total cache size (in pairs): 4103, Positive cache size: 4066, Positive conditional cache size: 2, Positive unconditional cache size: 4064, Negative cache size: 37, Negative conditional cache size: 20, Negative unconditional cache size: 17, Eliminated conditions: 991, Maximal queried relation: 8, Independence queries for same thread: 262 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 41, Number of trivial persistent sets: 41, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 50.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 11.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 202, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 36.1s InterpolantComputationTime, 1875 NumberOfCodeBlocks, 1875 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2387 ConstructedInterpolants, 104 QuantifiedInterpolants, 18229 SizeOfPredicates, 91 NumberOfNonLiveVariables, 1458 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 731/991 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 190 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-20 07:48:59,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:59,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-20 07:49:00,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d869ef-3fb6-48cf-a220-ac1fcb2c23d7/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE