./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a --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 c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 19:00:34,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 19:00:34,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 19:00:34,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 19:00:34,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 19:00:34,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 19:00:34,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 19:00:34,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 19:00:34,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 19:00:34,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 19:00:34,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 19:00:34,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 19:00:34,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 19:00:34,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 19:00:34,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 19:00:34,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 19:00:34,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 19:00:34,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 19:00:34,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 19:00:34,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 19:00:34,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 19:00:34,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 19:00:34,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 19:00:34,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 19:00:34,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 19:00:34,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 19:00:34,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 19:00:34,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 19:00:34,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 19:00:34,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 19:00:34,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 19:00:34,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 19:00:34,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 19:00:34,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 19:00:34,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 19:00:34,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 19:00:34,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 19:00:34,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 19:00:34,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 19:00:34,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 19:00:34,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 19:00:34,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-13 19:00:34,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 19:00:34,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 19:00:34,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 19:00:34,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 19:00:34,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 19:00:34,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 19:00:34,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 19:00:34,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 19:00:34,701 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 19:00:34,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 19:00:34,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 19:00:34,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 19:00:34,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 19:00:34,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 19:00:34,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 19:00:34,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 19:00:34,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 19:00:34,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 19:00:34,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 19:00:34,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 19:00:34,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 19:00:34,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 19:00:34,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 19:00:34,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 19:00:34,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 19:00:34,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:34,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 19:00:34,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 19:00:34,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 19:00:34,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 19:00:34,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 19:00:34,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 19:00:34,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 19:00:34,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 19:00:34,708 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 19:00:34,708 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 19:00:34,709 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_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 [2021-11-13 19:00:35,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 19:00:35,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 19:00:35,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 19:00:35,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 19:00:35,048 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 19:00:35,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-11-13 19:00:35,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/data/913edd1c8/23e4a57f278a4e6a8cb8da0f386da5ae/FLAGb31d77834 [2021-11-13 19:00:35,731 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 19:00:35,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-11-13 19:00:35,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/data/913edd1c8/23e4a57f278a4e6a8cb8da0f386da5ae/FLAGb31d77834 [2021-11-13 19:00:36,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/data/913edd1c8/23e4a57f278a4e6a8cb8da0f386da5ae [2021-11-13 19:00:36,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 19:00:36,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 19:00:36,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:36,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 19:00:36,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 19:00:36,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c52730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36, skipping insertion in model container [2021-11-13 19:00:36,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 19:00:36,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 19:00:36,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-11-13 19:00:36,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:36,518 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 19:00:36,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-11-13 19:00:36,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:36,596 INFO L208 MainTranslator]: Completed translation [2021-11-13 19:00:36,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36 WrapperNode [2021-11-13 19:00:36,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:36,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:36,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 19:00:36,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 19:00:36,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:36,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 19:00:36,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 19:00:36,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 19:00:36,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 19:00:36,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 19:00:36,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 19:00:36,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 19:00:36,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (1/1) ... [2021-11-13 19:00:36,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:36,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:36,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:36,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 19:00:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-13 19:00:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-13 19:00:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-13 19:00:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-13 19:00:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-13 19:00:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-13 19:00:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 19:00:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 19:00:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 19:00:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 19:00:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 19:00:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 19:00:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 19:00:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 19:00:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 19:00:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 19:00:36,828 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 19:00:38,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 19:00:38,109 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 19:00:38,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:38 BoogieIcfgContainer [2021-11-13 19:00:38,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 19:00:38,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 19:00:38,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 19:00:38,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 19:00:38,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 07:00:36" (1/3) ... [2021-11-13 19:00:38,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c1978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:38, skipping insertion in model container [2021-11-13 19:00:38,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:36" (2/3) ... [2021-11-13 19:00:38,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c1978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:38, skipping insertion in model container [2021-11-13 19:00:38,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:38" (3/3) ... [2021-11-13 19:00:38,122 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2021-11-13 19:00:38,127 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 19:00:38,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 19:00:38,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 19:00:38,127 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 19:00:38,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,208 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,208 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,208 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,208 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,209 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,209 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,209 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,209 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,209 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,210 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,210 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,210 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,212 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,212 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,212 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,212 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,220 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,221 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,221 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,221 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,221 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:38,230 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-13 19:00:38,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:00:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:38,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:38,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 19:00:38,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 19:00:38,355 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 [2021-11-13 19:00:38,355 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-13 19:00:38,710 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:38,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:38,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1571024017, now seen corresponding path program 1 times [2021-11-13 19:00:38,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:38,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382762677] [2021-11-13 19:00:38,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:38,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:39,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:39,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382762677] [2021-11-13 19:00:39,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382762677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:39,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:39,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 19:00:39,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628474830] [2021-11-13 19:00:39,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:39,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 19:00:39,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:39,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 19:00:39,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 19:00:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:39,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 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) [2021-11-13 19:00:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 19:00:39,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:39,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash -289253408, now seen corresponding path program 1 times [2021-11-13 19:00:39,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:39,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565160161] [2021-11-13 19:00:39,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:39,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:39,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:39,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565160161] [2021-11-13 19:00:39,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565160161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:39,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:39,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:00:39,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067086694] [2021-11-13 19:00:39,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:39,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:00:39,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:39,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:00:39,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:00:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,561 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:39,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2021-11-13 19:00:39,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:39,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 19:00:39,730 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:39,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:39,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1755151268, now seen corresponding path program 1 times [2021-11-13 19:00:39,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:39,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677603696] [2021-11-13 19:00:39,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:39,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:40,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:40,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677603696] [2021-11-13 19:00:40,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677603696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:40,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:40,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 19:00:40,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046193912] [2021-11-13 19:00:40,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:40,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 19:00:40,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:40,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 19:00:40,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-13 19:00:40,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,112 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:40,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 10 states have internal predecessors, (139), 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) [2021-11-13 19:00:40,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:40,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 19:00:40,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 19:00:40,992 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:40,993 INFO L85 PathProgramCache]: Analyzing trace with hash -971572098, now seen corresponding path program 1 times [2021-11-13 19:00:40,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:40,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492344064] [2021-11-13 19:00:40,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:40,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 19:00:41,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:41,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492344064] [2021-11-13 19:00:41,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492344064] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:41,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261503001] [2021-11-13 19:00:41,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:41,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:41,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:41,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:41,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 19:00:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:41,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 19:00:41,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 19:00:41,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 19:00:42,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261503001] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:42,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-13 19:00:42,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-11-13 19:00:42,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595978213] [2021-11-13 19:00:42,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:42,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 19:00:42,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 19:00:42,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-11-13 19:00:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,280 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:42,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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) [2021-11-13 19:00:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-13 19:00:42,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 19:00:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:42,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:42,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:42,638 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-13 19:00:42,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:42,638 INFO L85 PathProgramCache]: Analyzing trace with hash 509773826, now seen corresponding path program 1 times [2021-11-13 19:00:42,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:42,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957031730] [2021-11-13 19:00:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:42,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:45,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:45,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957031730] [2021-11-13 19:00:45,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957031730] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:45,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078508070] [2021-11-13 19:00:45,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:45,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:45,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:45,350 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:45,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56109c8-d540-4eb9-b709-f605767dd7a7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 19:00:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:45,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-13 19:00:45,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:48,091 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 [2021-11-13 19:00:48,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-13 19:00:49,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-13 19:00:49,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-13 19:00:50,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 19:00:50,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 93 [2021-11-13 19:00:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:50,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:02:47,523 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (< 0 ~M~0) (and (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_~#t1~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre22#1| Int) (|ULTIMATE.start_main_~#t2~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre24#1| Int) (|ULTIMATE.start_main_#t~pre26#1| Int) (~A~0.base Int)) (let ((.cse3 (let ((.cse4 (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset| |ULTIMATE.start_main_#t~pre22#1|)))) (store .cse5 |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre24#1|))))) (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre26#1|))))) (let ((.cse1 (select .cse3 ~A~0.base)) (.cse0 (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (<= (+ c_~res1~0 (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select .cse1 c_~A~0.offset)) (let ((.cse2 (* ~M~0 4))) (+ c_~res2~0 (select .cse1 (+ c_~A~0.offset .cse2)) (select .cse0 (+ .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))))))) (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_~#t1~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre22#1| Int) (|ULTIMATE.start_main_~#t2~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre24#1| Int) (|ULTIMATE.start_main_#t~pre26#1| Int) (~A~0.base Int)) (let ((.cse9 (let ((.cse10 (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset| |ULTIMATE.start_main_#t~pre22#1|)))) (store .cse11 |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select .cse11 |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre24#1|))))) (store .cse10 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse10 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre26#1|))))) (let ((.cse8 (select .cse9 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse6 (select .cse9 ~A~0.base))) (<= (let ((.cse7 (* ~M~0 4))) (+ c_~res2~0 (select .cse6 (+ c_~A~0.offset .cse7)) (select .cse8 (+ .cse7 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (+ c_~res1~0 (select .cse8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select .cse6 c_~A~0.offset))))))) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-11-13 19:02:52,131 INFO L354 Elim1Store]: treesize reduction 52, result has 74.4 percent of original size [2021-11-13 19:02:52,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 67943531486 treesize of output 64722306164