./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w --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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:10:32,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:10:32,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:10:32,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:10:32,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:10:32,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:10:32,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:10:32,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:10:32,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:10:32,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:10:32,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:10:32,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:10:32,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:10:32,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:10:32,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:10:32,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:10:32,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:10:32,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:10:32,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:10:32,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:10:32,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:10:32,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:10:32,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:10:32,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:10:32,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:10:32,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:10:32,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:10:32,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:10:32,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:10:32,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:10:32,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:10:32,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:10:32,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:10:32,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:10:32,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:10:32,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:10:32,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:10:32,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:10:32,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:10:32,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:10:32,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:10:32,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:10:32,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:10:32,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:10:32,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:10:32,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:10:32,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:10:32,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:10:32,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:10:32,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:10:32,709 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:10:32,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:10:32,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:10:32,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:10:32,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:10:32,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:10:32,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:10:32,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:10:32,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:10:32,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:10:32,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:10:32,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:10:32,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:10:32,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:10:32,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:10:32,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:10:32,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:10:32,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:10:32,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:10:32,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:10:32,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:10:32,713 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:10:32,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:10:32,713 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:10:32,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:10:32,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:10:32,714 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:10:32,714 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:10:32,714 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_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2022-12-13 09:10:32,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:10:32,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:10:32,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:10:32,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:10:32,923 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:10:32,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread/queue_ok.i [2022-12-13 09:10:35,556 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:10:35,733 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:10:35,733 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/sv-benchmarks/c/pthread/queue_ok.i [2022-12-13 09:10:35,742 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/data/257fac877/90f0f2f59e104c62aa0095264b0192f9/FLAG382c664c6 [2022-12-13 09:10:35,754 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/data/257fac877/90f0f2f59e104c62aa0095264b0192f9 [2022-12-13 09:10:35,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:10:35,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:10:35,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:10:35,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:10:35,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:10:35,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:10:35" (1/1) ... [2022-12-13 09:10:35,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe4c0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:35, skipping insertion in model container [2022-12-13 09:10:35,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:10:35" (1/1) ... [2022-12-13 09:10:35,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:10:35,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:10:36,087 WARN L237 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_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/sv-benchmarks/c/pthread/queue_ok.i[43266,43279] [2022-12-13 09:10:36,091 WARN L237 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_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/sv-benchmarks/c/pthread/queue_ok.i[43543,43556] [2022-12-13 09:10:36,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:10:36,102 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:10:36,131 WARN L237 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_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/sv-benchmarks/c/pthread/queue_ok.i[43266,43279] [2022-12-13 09:10:36,134 WARN L237 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_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/sv-benchmarks/c/pthread/queue_ok.i[43543,43556] [2022-12-13 09:10:36,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:10:36,170 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:10:36,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36 WrapperNode [2022-12-13 09:10:36,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:10:36,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:10:36,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:10:36,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:10:36,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,206 INFO L138 Inliner]: procedures = 274, calls = 57, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 202 [2022-12-13 09:10:36,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:10:36,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:10:36,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:10:36,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:10:36,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:10:36,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:10:36,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:10:36,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:10:36,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (1/1) ... [2022-12-13 09:10:36,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:10:36,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:36,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:10:36,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:10:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-13 09:10:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-13 09:10:36,290 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-13 09:10:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:10:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:10:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:10:36,292 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:10:36,414 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:10:36,416 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:10:36,681 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:10:36,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:10:36,691 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 09:10:36,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:10:36 BoogieIcfgContainer [2022-12-13 09:10:36,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:10:36,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:10:36,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:10:36,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:10:36,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:10:35" (1/3) ... [2022-12-13 09:10:36,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5762d018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:10:36, skipping insertion in model container [2022-12-13 09:10:36,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:10:36" (2/3) ... [2022-12-13 09:10:36,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5762d018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:10:36, skipping insertion in model container [2022-12-13 09:10:36,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:10:36" (3/3) ... [2022-12-13 09:10:36,702 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2022-12-13 09:10:36,710 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:10:36,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:10:36,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 09:10:36,719 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:10:36,808 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 09:10:36,849 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:10:36,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:10:36,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:36,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:10:36,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:10:36,885 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:10:36,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 09:10:36,899 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b4a2610, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:10:36,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 09:10:36,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:10:36,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:36,935 INFO L85 PathProgramCache]: Analyzing trace with hash -910206031, now seen corresponding path program 1 times [2022-12-13 09:10:36,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:36,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660406109] [2022-12-13 09:10:36,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:36,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:37,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:37,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660406109] [2022-12-13 09:10:37,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660406109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:10:37,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:10:37,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:10:37,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824629376] [2022-12-13 09:10:37,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:10:37,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:10:37,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:37,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:10:37,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:10:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:37,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:37,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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) [2022-12-13 09:10:37,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:37,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 09:10:37,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-13 09:10:37,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-13 09:10:37,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:10:37,454 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 09:10:37,456 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2022-12-13 09:10:37,462 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:10:37,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:10:37,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:37,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:10:37,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-12-13 09:10:37,489 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:10:37,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2022-12-13 09:10:37,490 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b4a2610, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:10:37,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 09:10:37,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:37,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:37,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1644589774, now seen corresponding path program 1 times [2022-12-13 09:10:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:37,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279116969] [2022-12-13 09:10:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:37,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:37,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279116969] [2022-12-13 09:10:37,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279116969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:10:37,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:10:37,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:10:37,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772876829] [2022-12-13 09:10:37,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:10:37,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:10:37,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:37,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:10:37,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:10:37,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:37,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:37,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 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) [2022-12-13 09:10:37,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:37,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:37,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:10:37,812 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:37,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:37,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2071600547, now seen corresponding path program 1 times [2022-12-13 09:10:37,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:37,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094470060] [2022-12-13 09:10:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:37,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:38,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:38,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094470060] [2022-12-13 09:10:38,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094470060] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:10:38,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:10:38,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:10:38,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584665442] [2022-12-13 09:10:38,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:10:38,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:10:38,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:38,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:10:38,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:10:38,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:38,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-12-13 09:10:38,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 09:10:38,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:38,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:38,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1750285131, now seen corresponding path program 1 times [2022-12-13 09:10:38,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:38,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080737721] [2022-12-13 09:10:38,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:38,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:38,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:38,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080737721] [2022-12-13 09:10:38,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080737721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:10:38,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:10:38,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:10:38,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410387082] [2022-12-13 09:10:38,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:10:38,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:10:38,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:38,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:10:38,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:10:38,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:38,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 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) [2022-12-13 09:10:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 09:10:38,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:38,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash -225768241, now seen corresponding path program 1 times [2022-12-13 09:10:38,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:38,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840195832] [2022-12-13 09:10:38,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:38,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:38,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840195832] [2022-12-13 09:10:38,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840195832] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:10:38,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919374906] [2022-12-13 09:10:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:38,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:10:38,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 09:10:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:38,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 09:10:38,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:10:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:38,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:10:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:38,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919374906] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:10:38,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:10:38,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 09:10:38,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829603065] [2022-12-13 09:10:38,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:10:38,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 09:10:38,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:38,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 09:10:38,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 09:10:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:38,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 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) [2022-12-13 09:10:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:38,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:38,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 09:10:39,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:39,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:39,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1284879025, now seen corresponding path program 2 times [2022-12-13 09:10:39,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:39,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915459348] [2022-12-13 09:10:39,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:39,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:39,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:39,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915459348] [2022-12-13 09:10:39,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915459348] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:10:39,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346977142] [2022-12-13 09:10:39,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:10:39,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:39,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:39,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:10:39,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 09:10:39,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 09:10:39,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:10:39,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 09:10:39,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:10:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-12-13 09:10:39,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:10:39,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346977142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:10:39,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:10:39,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2022-12-13 09:10:39,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683556728] [2022-12-13 09:10:39,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:10:39,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:10:39,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:39,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:10:39,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 09:10:39,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:39,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:39,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 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) [2022-12-13 09:10:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:39,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 09:10:39,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 09:10:39,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:39,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:39,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1715221288, now seen corresponding path program 1 times [2022-12-13 09:10:39,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:39,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533354930] [2022-12-13 09:10:39,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:39,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:40,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:40,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533354930] [2022-12-13 09:10:40,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533354930] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:10:40,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146729161] [2022-12-13 09:10:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:40,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:40,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:40,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:10:40,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 09:10:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:40,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 09:10:40,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:10:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:40,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:10:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:40,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146729161] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:10:40,473 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:10:40,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-12-13 09:10:40,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174233533] [2022-12-13 09:10:40,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:10:40,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 09:10:40,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:40,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 09:10:40,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-12-13 09:10:40,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:40,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:40,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 21.055555555555557) internal successors, (379), 18 states have internal predecessors, (379), 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) [2022-12-13 09:10:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:40,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:40,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 09:10:40,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:40,862 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:40,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:40,863 INFO L85 PathProgramCache]: Analyzing trace with hash 564579288, now seen corresponding path program 2 times [2022-12-13 09:10:40,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:40,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113161165] [2022-12-13 09:10:40,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:40,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:41,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:41,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113161165] [2022-12-13 09:10:41,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113161165] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:10:41,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860834513] [2022-12-13 09:10:41,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:10:41,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:41,502 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:10:41,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 09:10:41,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:10:41,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:10:41,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 09:10:41,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:10:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:41,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:10:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:42,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860834513] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:10:42,330 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:10:42,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-12-13 09:10:42,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292677746] [2022-12-13 09:10:42,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:10:42,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-13 09:10:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:42,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-13 09:10:42,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 09:10:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:42,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:42,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 18.441176470588236) internal successors, (627), 34 states have internal predecessors, (627), 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) [2022-12-13 09:10:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:42,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:42,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:10:42,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 09:10:43,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-13 09:10:43,033 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:43,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:43,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1919109592, now seen corresponding path program 3 times [2022-12-13 09:10:43,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:43,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174976927] [2022-12-13 09:10:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 0 proven. 3270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:44,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:44,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174976927] [2022-12-13 09:10:44,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174976927] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:10:44,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931585820] [2022-12-13 09:10:44,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:10:44,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:44,502 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:10:44,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 09:10:44,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-13 09:10:44,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:10:44,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 75 conjunts are in the unsatisfiable core [2022-12-13 09:10:44,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:10:46,446 INFO L350 Elim1Store]: Elim1 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 [2022-12-13 09:10:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:10:46,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:10:46,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:10:46,697 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:10:46,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:10:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:10:46,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:10:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3270 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2022-12-13 09:10:46,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:10:46,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931585820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:10:46,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:10:46,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [33] total 44 [2022-12-13 09:10:46,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157595889] [2022-12-13 09:10:46,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:10:46,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 09:10:46,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:46,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 09:10:46,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1553, Unknown=0, NotChecked=0, Total=1892 [2022-12-13 09:10:46,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:46,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:46,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 13 states have internal predecessors, (226), 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) [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:10:46,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:10:47,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:10:47,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 09:10:47,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:47,378 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:47,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:47,379 INFO L85 PathProgramCache]: Analyzing trace with hash -489040508, now seen corresponding path program 1 times [2022-12-13 09:10:47,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:47,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670863868] [2022-12-13 09:10:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:47,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:48,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:48,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670863868] [2022-12-13 09:10:48,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670863868] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:10:48,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739008586] [2022-12-13 09:10:48,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:48,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:48,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:48,797 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:10:48,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 09:10:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:49,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-13 09:10:49,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:10:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:49,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:10:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:50,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739008586] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:10:50,176 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:10:50,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 43 [2022-12-13 09:10:50,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942940173] [2022-12-13 09:10:50,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:10:50,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-13 09:10:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:50,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-13 09:10:50,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2022-12-13 09:10:50,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:50,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:50,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 20.58139534883721) internal successors, (885), 43 states have internal predecessors, (885), 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) [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:10:50,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:10:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:10:50,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 09:10:51,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 09:10:51,119 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:51,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:51,120 INFO L85 PathProgramCache]: Analyzing trace with hash 448916454, now seen corresponding path program 2 times [2022-12-13 09:10:51,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:51,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637035024] [2022-12-13 09:10:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:51,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:10:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6491 backedges. 5940 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:53,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:10:53,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637035024] [2022-12-13 09:10:53,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637035024] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:10:53,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123031814] [2022-12-13 09:10:53,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:10:53,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:53,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:10:53,305 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:10:53,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 09:10:53,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:10:53,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:10:53,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-13 09:10:53,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:10:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6491 backedges. 6491 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:10:54,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:10:54,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123031814] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:10:54,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:10:54,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [43] total 45 [2022-12-13 09:10:54,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739642601] [2022-12-13 09:10:54,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:10:54,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-13 09:10:54,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:10:54,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-13 09:10:54,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1491, Unknown=0, NotChecked=0, Total=1980 [2022-12-13 09:10:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:54,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:10:54,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 19.27906976744186) internal successors, (829), 43 states have internal predecessors, (829), 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) [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:10:54,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:10:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:10:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:10:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:10:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:10:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:10:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:10:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:10:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-12-13 09:10:55,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-13 09:10:55,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:10:55,218 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:10:55,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:10:55,219 INFO L85 PathProgramCache]: Analyzing trace with hash 615873166, now seen corresponding path program 3 times [2022-12-13 09:10:55,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:10:55,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936785999] [2022-12-13 09:10:55,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:10:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:10:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:11:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5890 backedges. 3209 proven. 211 refuted. 0 times theorem prover too weak. 2470 trivial. 0 not checked. [2022-12-13 09:11:00,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:11:00,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936785999] [2022-12-13 09:11:00,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936785999] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:11:00,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655243293] [2022-12-13 09:11:00,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:11:00,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:11:00,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:11:00,128 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:11:00,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 09:11:00,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 09:11:00,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:11:00,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-13 09:11:00,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:11:02,904 INFO L350 Elim1Store]: Elim1 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 [2022-12-13 09:11:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:02,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:11:03,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:11:03,149 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:11:03,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:11:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:03,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:11:03,336 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 15 [2022-12-13 09:11:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:03,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:11:03,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:11:03,581 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:11:03,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:11:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:03,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:11:03,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 09:11:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5890 backedges. 1663 proven. 417 refuted. 0 times theorem prover too weak. 3810 trivial. 0 not checked. [2022-12-13 09:11:03,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:11:03,969 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1956 Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1) 20))))) is different from false [2022-12-13 09:11:04,039 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1956 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse0 .cse1)))))) is different from false [2022-12-13 09:11:04,052 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1956 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork0_enqueue_#t~mem40#1| 1))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1) 20))))) is different from false [2022-12-13 09:11:04,065 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1956 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1) 20))))) is different from false [2022-12-13 09:11:04,124 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1950 Int) (v_ArrVal_1956 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse2 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1950) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse0 .cse1))) (not (= 20 (select (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1)))))) is different from false [2022-12-13 09:11:04,176 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1948 Int) (v_ArrVal_1950 Int) (v_ArrVal_1956 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1948)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse2 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1950) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse0 .cse1)))))) is different from false [2022-12-13 09:11:04,203 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99| Int)) (let ((.cse1 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99| (select .cse0 .cse1))) (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1948 Int) (v_ArrVal_1950 Int) (v_ArrVal_1956 Int)) (let ((.cse2 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse4 (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1948))) (store (store .cse4 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1950) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse3 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse2 .cse3))) (not (= (select (store .cse2 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse3) 20)))))))) is different from false [2022-12-13 09:11:04,251 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1948 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99| Int) (v_ArrVal_1950 Int) (v_ArrVal_1956 Int)) (let ((.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|)) (.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base|))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (let ((.cse4 (store .cse2 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99|) |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|) v_ArrVal_1948))) (store (store .cse4 (+ 88 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|) v_ArrVal_1950) .cse3 (+ (select .cse4 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse0 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99| (select .cse2 .cse3))) (not (= 20 (select (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1))))))) is different from false [2022-12-13 09:11:04,475 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1954 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| Int) (v_ArrVal_1948 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99| Int) (v_ArrVal_1950 Int) (v_ArrVal_1947 (Array Int Int)) (v_ArrVal_1956 Int)) (let ((.cse3 (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1947))) (let ((.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse0 (select .cse3 |c_~#queue~0.base|))) (let ((.cse2 (select (store (store .cse3 |c_~#queue~0.base| (let ((.cse4 (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99|) |c_~#queue~0.offset|) v_ArrVal_1948))) (store (store .cse4 (+ 88 |c_~#queue~0.offset|) v_ArrVal_1950) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1954) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_99| (select .cse0 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96| (select .cse2 .cse1))) (not (= (select (store .cse2 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_96|)) v_ArrVal_1956) .cse1) 20))))))) is different from false [2022-12-13 09:11:04,547 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:11:04,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 209 treesize of output 149 [2022-12-13 09:11:04,558 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:11:04,559 INFO L350 Elim1Store]: Elim1 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 275 treesize of output 273 [2022-12-13 09:11:04,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 257 [2022-12-13 09:11:04,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 241 [2022-12-13 09:11:04,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-13 09:11:04,658 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:11:04,658 INFO L350 Elim1Store]: Elim1 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 97 treesize of output 89 [2022-12-13 09:11:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5890 backedges. 1185 proven. 397 refuted. 0 times theorem prover too weak. 3810 trivial. 498 not checked. [2022-12-13 09:11:05,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655243293] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:11:05,383 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:11:05,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 22] total 55 [2022-12-13 09:11:05,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181009719] [2022-12-13 09:11:05,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:11:05,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-12-13 09:11:05,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:11:05,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-12-13 09:11:05,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=1751, Unknown=9, NotChecked=864, Total=2970 [2022-12-13 09:11:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:05,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:11:05,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 11.927272727272728) internal successors, (656), 55 states have internal predecessors, (656), 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) [2022-12-13 09:11:05,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:05,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:05,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:05,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:11:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:11:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:11:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:11:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:11:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:11:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-12-13 09:11:05,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:11:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-12-13 09:11:07,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:11:07,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 09:11:08,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:11:08,124 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:11:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:11:08,125 INFO L85 PathProgramCache]: Analyzing trace with hash -320740299, now seen corresponding path program 4 times [2022-12-13 09:11:08,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:11:08,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712841160] [2022-12-13 09:11:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:11:08,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:11:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:11:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6180 backedges. 3463 proven. 374 refuted. 0 times theorem prover too weak. 2343 trivial. 0 not checked. [2022-12-13 09:11:14,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:11:14,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712841160] [2022-12-13 09:11:14,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712841160] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:11:14,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349492774] [2022-12-13 09:11:14,789 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 09:11:14,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:11:14,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:11:14,790 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:11:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 09:11:24,911 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 09:11:24,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:11:24,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1684 conjuncts, 113 conjunts are in the unsatisfiable core [2022-12-13 09:11:24,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:11:26,230 INFO L350 Elim1Store]: Elim1 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 [2022-12-13 09:11:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:26,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:11:26,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:11:26,500 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:11:26,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:11:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:26,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:11:26,734 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 15 [2022-12-13 09:11:26,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:26,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:11:26,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:11:26,962 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:11:26,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:11:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:26,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:11:27,141 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 15 [2022-12-13 09:11:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:27,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:11:27,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:11:27,404 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:11:27,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:11:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:27,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:11:27,589 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 15 [2022-12-13 09:11:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:27,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:11:27,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:11:27,834 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-12-13 09:11:27,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:11:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:11:27,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:11:27,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 09:11:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6180 backedges. 4061 proven. 432 refuted. 0 times theorem prover too weak. 1687 trivial. 0 not checked. [2022-12-13 09:11:27,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:11:28,159 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2359 Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1)))))) is different from false [2022-12-13 09:11:28,370 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2359 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20))))) is different from false [2022-12-13 09:11:28,421 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2355 Int) (v_ArrVal_2359 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse2 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2355) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20))))) is different from false [2022-12-13 09:11:28,465 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2355 Int) (v_ArrVal_2359 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2352)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse2 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2355) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20))))) is different from false [2022-12-13 09:11:28,487 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int)) (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (or (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2355 Int) (v_ArrVal_2359 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (store .cse4 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2352))) (store (store .cse2 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2355) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20))))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse4 .cse3)))))) is different from false [2022-12-13 09:11:28,524 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2359 Int)) (let ((.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|)) (.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base|))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (let ((.cse4 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|) v_ArrVal_2352))) (store (store .cse4 (+ 88 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|) v_ArrVal_2355) .cse3 (+ (select .cse4 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse2 .cse3))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))))))) is different from false [2022-12-13 09:11:32,149 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2359 Int) (v_ArrVal_2351 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse0 (select .cse3 |c_~#queue~0.base|))) (let ((.cse2 (select (store (store .cse3 |c_~#queue~0.base| (let ((.cse4 (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse4 (+ 88 |c_~#queue~0.offset|) v_ArrVal_2355) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse0 .cse1))) (not (= (select (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse2 .cse1)))))))) is different from false [2022-12-13 09:11:32,172 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2359 Int) (v_ArrVal_2351 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork0_enqueue_#t~mem40#1| 1))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (select .cse3 |c_~#queue~0.base|))) (let ((.cse0 (select (store (store .cse3 |c_~#queue~0.base| (let ((.cse4 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse4 (+ 88 |c_~#queue~0.offset|) v_ArrVal_2355) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse2 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20))))))) is different from false [2022-12-13 09:11:32,418 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2351 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse5 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse6 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse5 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2347) .cse6 (+ (select .cse5 .cse6) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (select .cse3 |c_~#queue~0.base|))) (let ((.cse0 (select (store (store .cse3 |c_~#queue~0.base| (let ((.cse4 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse4 (+ 88 |c_~#queue~0.offset|) v_ArrVal_2355) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse2 .cse1)))))))) is different from false [2022-12-13 09:11:32,498 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2351 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse5 (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2346)) (.cse6 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse5 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2347) .cse6 (+ (select .cse5 .cse6) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (select .cse3 |c_~#queue~0.base|))) (let ((.cse0 (select (store (store .cse3 |c_~#queue~0.base| (let ((.cse4 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse4 (+ 88 |c_~#queue~0.offset|) v_ArrVal_2355) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (= 20 (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse2 .cse1)))))))) is different from false [2022-12-13 09:11:32,531 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| Int)) (let ((.cse7 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse6 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (or (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2351 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse5 (store .cse7 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2346))) (store (store .cse5 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2347) .cse6 (+ (select .cse5 .cse6) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse0 (select .cse3 |c_~#queue~0.base|))) (let ((.cse2 (select (store (store .cse3 |c_~#queue~0.base| (let ((.cse4 (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse4 (+ 88 |c_~#queue~0.offset|) v_ArrVal_2355) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse0 .cse1))) (not (= (select (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse2 .cse1)))))))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| (select .cse7 .cse6)))))) is different from false [2022-12-13 09:11:32,590 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2351 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| Int)) (let ((.cse4 (+ 84 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|)) (.cse3 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base|))) (let ((.cse5 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (let ((.cse7 (store .cse3 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| 4) |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|) v_ArrVal_2346))) (store (store .cse7 (+ 88 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|) v_ArrVal_2347) .cse4 (+ (select .cse7 .cse4) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (select .cse5 |c_~#queue~0.base|))) (let ((.cse0 (select (store (store .cse5 |c_~#queue~0.base| (let ((.cse6 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse6 (+ 88 |c_~#queue~0.offset|) v_ArrVal_2355) .cse1 (+ (select .cse6 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse2 .cse1))) (not (= 20 (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| (select .cse3 .cse4))))))))) is different from false [2022-12-13 09:11:32,976 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (v_ArrVal_2358 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2344 (Array Int Int)) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2351 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| Int)) (let ((.cse7 (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_2344))) (let ((.cse6 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (select .cse7 |c_~#queue~0.base|))) (let ((.cse4 (store (store .cse7 |c_~#queue~0.base| (let ((.cse8 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| 4) |c_~#queue~0.offset|) v_ArrVal_2346))) (store (store .cse8 .cse6 v_ArrVal_2347) .cse1 (+ (select .cse8 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse3 (select .cse4 |c_~#queue~0.base|))) (let ((.cse0 (select (store (store .cse4 |c_~#queue~0.base| (let ((.cse5 (store .cse3 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse5 .cse6 v_ArrVal_2355) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (= 20 (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| (select .cse2 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse3 .cse1)))))))))) is different from false [2022-12-13 09:11:34,009 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2344 (Array Int Int)) (v_ArrVal_2351 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| Int) (v_ArrVal_2340 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int)) (let ((.cse7 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse9 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse10 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse9 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2340) .cse10 (+ (select .cse9 .cse10) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2344))) (let ((.cse6 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (select .cse7 |c_~#queue~0.base|))) (let ((.cse4 (store (store .cse7 |c_~#queue~0.base| (let ((.cse8 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| 4) |c_~#queue~0.offset|) v_ArrVal_2346))) (store (store .cse8 .cse6 v_ArrVal_2347) .cse1 (+ (select .cse8 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse3 (select .cse4 |c_~#queue~0.base|))) (let ((.cse0 (select (store (store .cse4 |c_~#queue~0.base| (let ((.cse5 (store .cse3 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse5 .cse6 v_ArrVal_2355) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| (select .cse2 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse3 .cse1)))))))))) is different from false [2022-12-13 09:11:34,138 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2344 (Array Int Int)) (v_ArrVal_2351 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| Int) (v_ArrVal_2340 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2338 Int)) (let ((.cse7 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse9 (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2338)) (.cse10 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store (store .cse9 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2340) .cse10 (+ (select .cse9 .cse10) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2344))) (let ((.cse6 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse0 (select .cse7 |c_~#queue~0.base|))) (let ((.cse4 (store (store .cse7 |c_~#queue~0.base| (let ((.cse8 (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| 4) |c_~#queue~0.offset|) v_ArrVal_2346))) (store (store .cse8 .cse6 v_ArrVal_2347) .cse1 (+ (select .cse8 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse3 (select .cse4 |c_~#queue~0.base|))) (let ((.cse2 (select (store (store .cse4 |c_~#queue~0.base| (let ((.cse5 (store .cse3 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse5 .cse6 v_ArrVal_2355) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| (select .cse0 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse2 .cse1))) (not (= (select (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse3 .cse1)))))))))) is different from false [2022-12-13 09:11:34,190 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_184| Int)) (let ((.cse1 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_184| (select .cse0 .cse1))) (forall ((v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2344 (Array Int Int)) (v_ArrVal_2351 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| Int) (v_ArrVal_2340 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2338 Int)) (let ((.cse9 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse11 (store .cse0 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_184| 4)) v_ArrVal_2338))) (store (store .cse11 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_2340) .cse1 (+ (select .cse11 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2344))) (let ((.cse8 (+ 88 |c_~#queue~0.offset|)) (.cse3 (+ 84 |c_~#queue~0.offset|)) (.cse2 (select .cse9 |c_~#queue~0.base|))) (let ((.cse6 (store (store .cse9 |c_~#queue~0.base| (let ((.cse10 (store .cse2 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| 4) |c_~#queue~0.offset|) v_ArrVal_2346))) (store (store .cse10 .cse8 v_ArrVal_2347) .cse3 (+ (select .cse10 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse5 (select .cse6 |c_~#queue~0.base|))) (let ((.cse4 (select (store (store .cse6 |c_~#queue~0.base| (let ((.cse7 (store .cse5 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse7 .cse8 v_ArrVal_2355) .cse3 (+ (select .cse7 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| (select .cse2 .cse3))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse4 .cse3))) (not (= (select (store .cse4 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse3) 20)) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse5 .cse3))))))))))))) is different from false [2022-12-13 09:11:34,281 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2358 (Array Int Int)) (v_ArrVal_2344 (Array Int Int)) (v_ArrVal_2351 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_184| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| Int) (v_ArrVal_2340 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| Int) (v_ArrVal_2352 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| Int) (v_ArrVal_2355 Int) (v_ArrVal_2346 Int) (v_ArrVal_2359 Int) (v_ArrVal_2347 Int) (v_ArrVal_2338 Int)) (let ((.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|)) (.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base|))) (let ((.cse9 (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (let ((.cse11 (store .cse2 (+ |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_184| 4)) v_ArrVal_2338))) (store (store .cse11 (+ 88 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|) v_ArrVal_2340) .cse3 (+ (select .cse11 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2344))) (let ((.cse8 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse4 (select .cse9 |c_~#queue~0.base|))) (let ((.cse6 (store (store .cse9 |c_~#queue~0.base| (let ((.cse10 (store .cse4 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| 4) |c_~#queue~0.offset|) v_ArrVal_2346))) (store (store .cse10 .cse8 v_ArrVal_2347) .cse1 (+ (select .cse10 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2351))) (let ((.cse5 (select .cse6 |c_~#queue~0.base|))) (let ((.cse0 (select (store (store .cse6 |c_~#queue~0.base| (let ((.cse7 (store .cse5 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| 4) |c_~#queue~0.offset|) v_ArrVal_2352))) (store (store .cse7 .cse8 v_ArrVal_2355) .cse1 (+ (select .cse7 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_2358) |c_~#queue~0.base|))) (or (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| (select .cse0 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_184| (select .cse2 .cse3))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_181| (select .cse4 .cse1))) (not (<= |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_178| (select .cse5 .cse1))) (not (= (select (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_175| 4) |c_~#queue~0.offset|) v_ArrVal_2359) .cse1) 20)))))))))) is different from false [2022-12-13 09:11:35,376 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:11:35,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2169 treesize of output 1509 [2022-12-13 09:11:35,419 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:11:35,420 INFO L350 Elim1Store]: Elim1 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 2079 treesize of output 2053 [2022-12-13 09:11:35,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1789 treesize of output 1725 [2022-12-13 09:11:35,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2057 treesize of output 2037 [2022-12-13 09:11:35,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1974 treesize of output 1926 [2022-12-13 09:11:35,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2105 treesize of output 2073 [2022-12-13 09:11:35,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-12-13 09:11:35,749 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 09:11:35,749 INFO L350 Elim1Store]: Elim1 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 480 treesize of output 464 [2022-12-13 09:11:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6180 backedges. 3603 proven. 286 refuted. 2 times theorem prover too weak. 1723 trivial. 566 not checked. [2022-12-13 09:11:36,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349492774] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:11:36,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:11:36,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 40] total 96 [2022-12-13 09:11:36,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39500135] [2022-12-13 09:11:36,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:11:36,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 09:11:36,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:11:36,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 09:11:36,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1034, Invalid=5126, Unknown=70, NotChecked=2890, Total=9120 [2022-12-13 09:11:36,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:36,709 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:11:36,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 9.0625) internal successors, (870), 96 states have internal predecessors, (870), 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) [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:11:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-12-13 09:11:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:11:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-12-13 09:11:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:11:58,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-13 09:11:58,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 09:11:58,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 09:11:58,907 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 09:11:58,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:11:58,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1748978347, now seen corresponding path program 5 times [2022-12-13 09:11:58,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:11:58,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589600854] [2022-12-13 09:11:58,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:11:58,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:11:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:12:19,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6352 backedges. 4423 proven. 1066 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2022-12-13 09:12:19,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:12:19,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589600854] [2022-12-13 09:12:19,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589600854] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:12:19,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933661993] [2022-12-13 09:12:19,882 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 09:12:19,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:12:19,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:12:19,883 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:12:19,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5d5bdc-38ca-4e69-8f76-883cf1d8c1d8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 09:16:49,741 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2022-12-13 09:16:49,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:16:49,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 443 conjunts are in the unsatisfiable core [2022-12-13 09:16:49,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:16:49,936 INFO L350 Elim1Store]: Elim1 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 [2022-12-13 09:16:49,968 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:16:49,968 INFO L350 Elim1Store]: Elim1 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 25 treesize of output 38 [2022-12-13 09:16:50,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:16:50,182 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:16:50,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 47 [2022-12-13 09:16:50,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:16:50,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2022-12-13 09:16:50,567 INFO L350 Elim1Store]: Elim1 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 55 treesize of output 33 [2022-12-13 09:16:50,682 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:16:50,682 INFO L350 Elim1Store]: Elim1 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 49 treesize of output 56 [2022-12-13 09:16:51,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:16:51,218 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:16:51,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 66 [2022-12-13 09:16:51,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:16:51,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 55 [2022-12-13 09:16:51,781 INFO L350 Elim1Store]: Elim1 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 80 treesize of output 52 [2022-12-13 09:16:51,975 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:16:51,976 INFO L350 Elim1Store]: Elim1 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 74 treesize of output 75 [2022-12-13 09:16:52,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:16:52,811 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:16:52,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 85 [2022-12-13 09:16:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:16:53,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 74 [2022-12-13 09:16:53,762 INFO L350 Elim1Store]: Elim1 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 105 treesize of output 71 [2022-12-13 09:16:54,204 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:16:54,204 INFO L350 Elim1Store]: Elim1 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 99 treesize of output 94 [2022-12-13 09:16:55,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:16:55,458 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:16:55,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 106 [2022-12-13 09:16:55,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:16:55,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 95 [2022-12-13 09:16:56,724 INFO L350 Elim1Store]: Elim1 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 138 treesize of output 92 [2022-12-13 09:16:57,240 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:16:57,241 INFO L350 Elim1Store]: Elim1 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 132 treesize of output 115 [2022-12-13 09:16:59,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:16:59,129 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:16:59,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 153 treesize of output 125 [2022-12-13 09:16:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:16:59,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 114 [2022-12-13 09:17:00,646 INFO L350 Elim1Store]: Elim1 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 163 treesize of output 111 [2022-12-13 09:17:01,307 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:17:01,308 INFO L350 Elim1Store]: Elim1 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 157 treesize of output 134 [2022-12-13 09:17:03,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:03,569 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:17:03,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 178 treesize of output 144 [2022-12-13 09:17:04,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:04,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 133 [2022-12-13 09:17:05,362 INFO L350 Elim1Store]: Elim1 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 188 treesize of output 130 [2022-12-13 09:17:06,362 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:17:06,362 INFO L350 Elim1Store]: Elim1 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 182 treesize of output 153 [2022-12-13 09:17:09,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:09,227 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:17:09,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 211 treesize of output 165 [2022-12-13 09:17:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:09,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 154 [2022-12-13 09:17:11,701 INFO L350 Elim1Store]: Elim1 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 221 treesize of output 151 [2022-12-13 09:17:12,710 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2022-12-13 09:17:12,711 INFO L350 Elim1Store]: Elim1 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 215 treesize of output 174 [2022-12-13 09:17:16,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:16,187 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 09:17:16,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 254 treesize of output 190 [2022-12-13 09:17:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:16,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 179 [2022-12-13 09:17:18,035 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 13 [2022-12-13 09:17:18,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:18,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:18,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-13 09:17:19,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:19,821 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:17:19,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:17:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:19,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:17:20,621 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 15 [2022-12-13 09:17:20,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:20,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-13 09:17:21,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:21,707 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-12-13 09:17:21,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2022-12-13 09:17:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:21,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:17:22,282 INFO L350 Elim1Store]: Elim1 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 34 treesize of output 18 [2022-12-13 09:17:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:22,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-13 09:17:23,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:23,495 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:17:23,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:17:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:23,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:17:24,072 INFO L350 Elim1Store]: Elim1 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 34 treesize of output 18 [2022-12-13 09:17:24,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:24,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-13 09:17:25,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:25,343 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:17:25,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:17:25,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:25,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:17:25,990 INFO L350 Elim1Store]: Elim1 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 34 treesize of output 18 [2022-12-13 09:17:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:26,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-13 09:17:27,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:27,290 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:17:27,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:17:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:27,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:17:28,014 INFO L350 Elim1Store]: Elim1 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 34 treesize of output 18 [2022-12-13 09:17:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:28,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-13 09:17:29,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:29,397 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:17:29,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:17:29,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:29,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:17:30,177 INFO L350 Elim1Store]: Elim1 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 34 treesize of output 18 [2022-12-13 09:17:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:30,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-12-13 09:17:31,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:17:31,448 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-12-13 09:17:31,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2022-12-13 09:17:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:17:31,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 09:17:32,137 INFO L350 Elim1Store]: Elim1 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 34 treesize of output 18 [2022-12-13 09:17:32,404 INFO L321 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2022-12-13 09:17:32,404 INFO L350 Elim1Store]: Elim1 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 31 treesize of output 30 [2022-12-13 09:17:33,016 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-12-13 09:17:33,016 INFO L350 Elim1Store]: Elim1 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 34 treesize of output 27 [2022-12-13 09:17:33,023 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-13 09:17:33,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 09:17:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6352 backedges. 2241 proven. 3976 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-13 09:17:33,179 INFO L328 TraceCheckSpWp]: Computing backward predicates...