./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:17:59,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:18:00,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-12-02 20:18:00,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:18:00,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:18:00,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:18:00,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:18:00,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:18:00,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:18:00,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:18:00,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:18:00,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:18:00,078 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:18:00,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:18:00,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:18:00,079 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:18:00,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:18:00,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:18:00,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:18:00,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:18:00,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:18:00,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:18:00,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:18:00,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:18:00,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:18:00,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:18:00,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:18:00,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:18:00,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:18:00,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:18:00,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:18:00,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:18:00,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:18:00,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:18:00,088 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:18:00,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:18:00,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:18:00,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:18:00,091 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:18:00,091 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:18:00,091 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:18:00,092 INFO L153 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_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2023-12-02 20:18:00,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:18:00,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:18:00,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:18:00,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:18:00,331 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:18:00,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-12-02 20:18:03,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:18:03,206 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:18:03,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-12-02 20:18:03,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/data/bea61a784/f97512b5764d45a399f3e58b245f0040/FLAG665f90894 [2023-12-02 20:18:03,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/data/bea61a784/f97512b5764d45a399f3e58b245f0040 [2023-12-02 20:18:03,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:18:03,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:18:03,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:18:03,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:18:03,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:18:03,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d24e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03, skipping insertion in model container [2023-12-02 20:18:03,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:18:03,431 WARN L240 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_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2023-12-02 20:18:03,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:18:03,450 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:18:03,472 WARN L240 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_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2023-12-02 20:18:03,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:18:03,484 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:18:03,484 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:18:03,492 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:18:03,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03 WrapperNode [2023-12-02 20:18:03,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:18:03,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:18:03,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:18:03,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:18:03,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,538 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 149 [2023-12-02 20:18:03,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:18:03,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:18:03,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:18:03,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:18:03,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:18:03,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:18:03,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:18:03,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:18:03,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (1/1) ... [2023-12-02 20:18:03,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:18:03,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:03,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:18:03,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:18:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:18:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 20:18:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 20:18:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 20:18:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 20:18:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:18:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:18:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:18:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:18:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:18:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:18:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:18:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:18:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:18:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:18:03,641 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:18:03,743 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:18:03,745 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:18:03,987 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:18:04,189 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:18:04,190 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 20:18:04,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:18:04 BoogieIcfgContainer [2023-12-02 20:18:04,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:18:04,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:18:04,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:18:04,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:18:04,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:18:03" (1/3) ... [2023-12-02 20:18:04,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e502532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:18:04, skipping insertion in model container [2023-12-02 20:18:04,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:18:03" (2/3) ... [2023-12-02 20:18:04,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e502532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:18:04, skipping insertion in model container [2023-12-02 20:18:04,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:18:04" (3/3) ... [2023-12-02 20:18:04,199 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2023-12-02 20:18:04,207 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:18:04,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:18:04,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:18:04,217 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:18:04,262 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 20:18:04,302 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:18:04,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:18:04,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:04,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:18:04,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:18:04,349 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:18:04,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:18:04,366 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=LoopHeads, 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;@7fc89c85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:18:04,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-02 20:18:04,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:04,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:04,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1572394351, now seen corresponding path program 1 times [2023-12-02 20:18:04,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:04,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089010023] [2023-12-02 20:18:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:04,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:04,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:04,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089010023] [2023-12-02 20:18:04,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089010023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:18:04,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:18:04,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:18:04,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761400531] [2023-12-02 20:18:04,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:18:04,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:18:04,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:04,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:18:04,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:18:04,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:04,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:04,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2023-12-02 20:18:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:04,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:04,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:18:04,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:04,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:04,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2143374964, now seen corresponding path program 1 times [2023-12-02 20:18:04,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:04,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128728277] [2023-12-02 20:18:04,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:04,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:05,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:05,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128728277] [2023-12-02 20:18:05,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128728277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:18:05,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:18:05,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:18:05,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297903705] [2023-12-02 20:18:05,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:18:05,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:18:05,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:05,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:18:05,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:18:05,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:05,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:05,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2023-12-02 20:18:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:05,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:05,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:18:05,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:05,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:05,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1909304004, now seen corresponding path program 1 times [2023-12-02 20:18:05,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:05,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987952966] [2023-12-02 20:18:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:05,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:05,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987952966] [2023-12-02 20:18:05,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987952966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:18:05,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:18:05,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:18:05,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650748501] [2023-12-02 20:18:05,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:18:05,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:18:05,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:05,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:18:05,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:18:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:05,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:05,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-12-02 20:18:05,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:05,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:05,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:05,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:18:05,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:05,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash -985959822, now seen corresponding path program 1 times [2023-12-02 20:18:05,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:05,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362328333] [2023-12-02 20:18:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:06,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:06,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362328333] [2023-12-02 20:18:06,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362328333] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:06,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482537652] [2023-12-02 20:18:06,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:06,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:06,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:06,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:06,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:18:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:06,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 20:18:06,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:06,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:06,680 INFO L378 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 10 treesize of output 8 [2023-12-02 20:18:06,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-12-02 20:18:06,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:18:06,880 INFO L378 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 8 treesize of output 1 [2023-12-02 20:18:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:07,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:07,974 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:07,975 INFO L378 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 63 treesize of output 51 [2023-12-02 20:18:07,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:07,990 INFO L378 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 324 treesize of output 300 [2023-12-02 20:18:08,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:08,015 INFO L378 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 96 treesize of output 92 [2023-12-02 20:18:08,032 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:08,032 INFO L378 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 95 treesize of output 79 [2023-12-02 20:18:08,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:08,287 INFO L378 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 62 treesize of output 50 [2023-12-02 20:18:08,324 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:18:08,324 INFO L378 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 316 treesize of output 288 [2023-12-02 20:18:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:08,344 INFO L378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 84 [2023-12-02 20:18:08,359 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:18:08,360 INFO L378 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 95 treesize of output 75 [2023-12-02 20:18:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:08,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482537652] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:18:08,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:18:08,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2023-12-02 20:18:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452343235] [2023-12-02 20:18:08,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:18:08,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 20:18:08,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:08,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 20:18:08,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=366, Unknown=2, NotChecked=0, Total=462 [2023-12-02 20:18:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:08,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:08,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 21 states have internal predecessors, (71), 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) [2023-12-02 20:18:08,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:08,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:08,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:08,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:09,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:18:09,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:09,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:09,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:09,410 INFO L85 PathProgramCache]: Analyzing trace with hash 143434674, now seen corresponding path program 2 times [2023-12-02 20:18:09,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:09,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806087615] [2023-12-02 20:18:09,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:10,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:10,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806087615] [2023-12-02 20:18:10,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806087615] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:10,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255947748] [2023-12-02 20:18:10,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:18:10,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:10,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:10,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:10,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:18:10,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:18:10,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:18:10,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 20:18:10,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:18:10,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:11,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:11,074 INFO L378 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 40 treesize of output 24 [2023-12-02 20:18:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:18:11,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255947748] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:18:11,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:18:11,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 4] total 17 [2023-12-02 20:18:11,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608231477] [2023-12-02 20:18:11,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:18:11,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 20:18:11,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:11,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 20:18:11,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2023-12-02 20:18:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:11,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:11,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.166666666666667) internal successors, (75), 17 states have internal predecessors, (75), 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) [2023-12-02 20:18:11,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:11,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:11,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:11,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:11,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:11,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:18:11,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:11,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:11,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:11,967 INFO L85 PathProgramCache]: Analyzing trace with hash 265079825, now seen corresponding path program 3 times [2023-12-02 20:18:11,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:11,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137860155] [2023-12-02 20:18:11,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:18:12,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:12,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137860155] [2023-12-02 20:18:12,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137860155] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:12,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455544980] [2023-12-02 20:18:12,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:18:12,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:12,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:12,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:12,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:18:12,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-12-02 20:18:12,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:18:12,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:18:12,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:18:12,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:18:12,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455544980] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:18:12,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:18:12,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2023-12-02 20:18:12,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114000668] [2023-12-02 20:18:12,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:18:12,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:18:12,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:12,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:18:12,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:18:12,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:12,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:12,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-12-02 20:18:12,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:12,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:12,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:18:12,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-02 20:18:12,496 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:12,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:12,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1498033729, now seen corresponding path program 4 times [2023-12-02 20:18:12,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:12,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710618415] [2023-12-02 20:18:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:12,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:18:12,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:12,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710618415] [2023-12-02 20:18:12,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710618415] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:18:12,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:18:12,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:18:12,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925360716] [2023-12-02 20:18:12,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:18:12,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:18:12,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:12,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:18:12,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:18:12,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:12,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:12,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-12-02 20:18:12,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:12,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 20:18:12,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:12,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:12,765 INFO L85 PathProgramCache]: Analyzing trace with hash -496040545, now seen corresponding path program 1 times [2023-12-02 20:18:12,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:12,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202547973] [2023-12-02 20:18:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:12,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:18:16,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:16,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202547973] [2023-12-02 20:18:16,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202547973] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:16,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616471480] [2023-12-02 20:18:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:16,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:16,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:16,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:16,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:18:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:16,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 20:18:16,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:18:16,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:16,823 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:16,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60 [2023-12-02 20:18:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:18:16,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616471480] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:18:16,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:18:16,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 6] total 30 [2023-12-02 20:18:16,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48410569] [2023-12-02 20:18:16,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:18:16,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-12-02 20:18:16,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:16,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-12-02 20:18:16,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2023-12-02 20:18:16,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:16,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:16,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 30 states have internal predecessors, (103), 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) [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:18:17,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:18:18,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-02 20:18:18,189 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:18,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:18,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1634904724, now seen corresponding path program 2 times [2023-12-02 20:18:18,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:18,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998916437] [2023-12-02 20:18:18,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:21,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998916437] [2023-12-02 20:18:21,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998916437] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:21,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205059900] [2023-12-02 20:18:21,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:18:21,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:21,185 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:21,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:18:21,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:18:21,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:18:21,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 20:18:21,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:18:21,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:22,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:22,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 114 [2023-12-02 20:18:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:18:22,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205059900] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:18:22,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:18:22,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 8] total 32 [2023-12-02 20:18:22,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230696786] [2023-12-02 20:18:22,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:18:22,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-02 20:18:22,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:22,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-02 20:18:22,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=889, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 20:18:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:22,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:22,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.8484848484848486) internal successors, (127), 32 states have internal predecessors, (127), 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) [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:18:22,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:18:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:18:23,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:18:24,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:24,040 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:24,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:24,040 INFO L85 PathProgramCache]: Analyzing trace with hash -460146637, now seen corresponding path program 3 times [2023-12-02 20:18:24,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:24,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511206842] [2023-12-02 20:18:24,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:24,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 89 proven. 93 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:18:24,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:24,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511206842] [2023-12-02 20:18:24,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511206842] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:24,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490127232] [2023-12-02 20:18:24,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:18:24,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:24,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:24,559 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:24,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:18:25,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-12-02 20:18:25,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:18:25,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 20:18:25,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 161 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:18:25,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 114 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:18:26,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490127232] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:18:26,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:18:26,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2023-12-02 20:18:26,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491830422] [2023-12-02 20:18:26,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:18:26,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-12-02 20:18:26,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:18:26,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-12-02 20:18:26,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1362, Unknown=0, NotChecked=0, Total=1722 [2023-12-02 20:18:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:26,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:18:26,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.095238095238095) internal successors, (172), 41 states have internal predecessors, (172), 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) [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:18:26,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:18:26,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:18:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:18:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:18:26,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-02 20:18:26,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 20:18:26,421 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:18:26,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:18:26,421 INFO L85 PathProgramCache]: Analyzing trace with hash -266925251, now seen corresponding path program 4 times [2023-12-02 20:18:26,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:18:26,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530677935] [2023-12-02 20:18:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:18:26,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:18:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:18:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 22 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:30,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:18:30,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530677935] [2023-12-02 20:18:30,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530677935] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:18:30,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250729847] [2023-12-02 20:18:30,684 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:18:30,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:18:30,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:18:30,685 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:18:30,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:18:30,816 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:18:30,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:18:30,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 20:18:30,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:18:33,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,744 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:18:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:18:33,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,754 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:18:33,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:18:33,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:18:33,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:18:33,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:18:33,770 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:33,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 126 treesize of output 52 [2023-12-02 20:18:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:18:33,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:18:37,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:18:37,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 226 treesize of output 1111 [2023-12-02 20:21:32,927 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:32,976 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:33,014 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:33,076 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:33,195 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:33,262 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:33,313 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:33,348 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:33,368 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:33,387 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:33,410 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:33,426 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:33,506 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:33,602 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:34,054 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:34,104 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:34,168 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:34,217 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:34,257 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:34,331 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:34,363 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:34,424 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:34,503 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:34,670 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:34,725 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:34,762 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:34,790 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:34,851 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:34,880 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:34,910 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:34,939 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:35,053 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:35,078 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:35,152 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,181 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,195 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:35,251 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,264 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:35,326 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,340 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:35,362 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,389 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:35,630 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:35,671 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,711 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:35,780 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:35,817 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,870 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,899 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:35,937 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:35,956 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:35,981 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:36,019 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:36,082 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:36,120 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:36,172 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:36,235 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:36,385 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:36,523 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:36,590 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:36,622 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:36,685 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:36,765 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:36,902 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:37,038 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:37,107 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:37,285 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:37,325 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:37,422 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:37,447 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:37,480 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:37,527 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:37,607 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:37,632 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:37,672 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:37,763 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:37,805 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-12-02 20:21:38,013 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:38,118 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:38,162 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:38,183 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:38,280 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:38,354 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:38,379 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:38,514 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:38,563 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:38,613 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:38,661 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:38,758 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:38,785 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:38,887 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:38,945 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:38,974 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:39,005 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:39,061 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:39,112 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:39,166 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:39,189 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:39,287 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:39,510 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:39,518 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:39,715 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:39,882 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:39,928 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:39,951 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:40,047 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:40,107 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:40,349 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:40,387 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:40,456 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:40,554 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:40,625 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:40,687 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:40,728 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:40,907 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:40,950 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:40,987 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:41,009 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:41,023 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:41,044 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:41,094 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:41,139 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:41,225 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:41,279 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:41,381 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:41,414 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:41,473 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:41,582 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:41,692 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:41,725 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:41,752 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:41,811 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:41,842 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:41,859 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:42,180 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:42,494 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:42,538 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:42,597 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:42,770 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:42,875 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:43,039 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:43,104 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:43,196 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:43,268 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:43,338 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:43,441 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:43,636 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:43,698 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:46,259 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:46,266 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:46,283 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:46,386 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:46,475 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:46,636 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:46,726 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-12-02 20:21:46,939 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-12-02 20:21:46,981 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:47,042 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-12-02 20:21:47,111 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-12-02 20:21:47,188 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-02 20:21:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 3 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:48,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250729847] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:21:48,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:21:48,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2023-12-02 20:21:48,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844900851] [2023-12-02 20:21:48,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:21:48,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-12-02 20:21:48,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:21:48,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-12-02 20:21:48,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=4334, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 20:21:48,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:48,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:21:48,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.2142857142857144) internal successors, (225), 69 states have internal predecessors, (225), 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) [2023-12-02 20:21:48,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:48,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:48,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:48,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:21:48,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:21:48,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:48,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:48,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:21:48,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:21:48,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:21:48,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:21:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:21:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:21:51,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-02 20:21:51,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:51,645 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:21:51,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:21:51,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1427970419, now seen corresponding path program 5 times [2023-12-02 20:21:51,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:21:51,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391287274] [2023-12-02 20:21:51,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:21:51,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:21:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:21:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:21:58,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:21:58,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391287274] [2023-12-02 20:21:58,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391287274] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:21:58,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067481170] [2023-12-02 20:21:58,371 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:21:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:21:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:21:58,372 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:21:58,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:21:58,553 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-12-02 20:21:58,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:21:58,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 20:21:58,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:22:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 157 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:22:00,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:22:02,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:02,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 211 treesize of output 400 [2023-12-02 20:22:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 9 proven. 155 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 20:22:02,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067481170] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:22:02,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:22:02,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 17, 14] total 57 [2023-12-02 20:22:02,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943007874] [2023-12-02 20:22:02,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:22:02,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-12-02 20:22:02,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:22:02,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-12-02 20:22:02,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=2941, Unknown=0, NotChecked=0, Total=3306 [2023-12-02 20:22:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:02,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:22:02,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.7413793103448274) internal successors, (217), 57 states have internal predecessors, (217), 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) [2023-12-02 20:22:02,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:02,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:22:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:22:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:22:11,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:22:12,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:12,185 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:22:12,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:22:12,185 INFO L85 PathProgramCache]: Analyzing trace with hash -277777514, now seen corresponding path program 6 times [2023-12-02 20:22:12,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:22:12,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448547263] [2023-12-02 20:22:12,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:22:12,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:22:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:22:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 8 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:22:22,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:22:22,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448547263] [2023-12-02 20:22:22,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448547263] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:22:22,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934540367] [2023-12-02 20:22:22,736 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-02 20:22:22,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:22,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:22:22,737 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:22:22,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:22:26,122 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-12-02 20:22:26,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:22:26,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 20:22:26,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:22:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 28 proven. 198 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:22:28,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:22:31,649 INFO L349 Elim1Store]: treesize reduction 210, result has 56.0 percent of original size [2023-12-02 20:22:31,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 244 treesize of output 324 [2023-12-02 20:22:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 5 proven. 179 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 20:22:32,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934540367] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:22:32,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:22:32,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 16] total 64 [2023-12-02 20:22:32,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005161192] [2023-12-02 20:22:32,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:22:32,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-12-02 20:22:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:22:32,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-12-02 20:22:32,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=3747, Unknown=0, NotChecked=0, Total=4160 [2023-12-02 20:22:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:32,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:22:32,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.6) internal successors, (234), 64 states have internal predecessors, (234), 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) [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:22:32,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:22:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:22:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:22:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:22:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:22:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:22:39,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:22:39,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:39,679 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:22:39,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:22:39,679 INFO L85 PathProgramCache]: Analyzing trace with hash 474420723, now seen corresponding path program 7 times [2023-12-02 20:22:39,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:22:39,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695681573] [2023-12-02 20:22:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:22:39,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:22:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:22:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:22:48,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:22:48,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695681573] [2023-12-02 20:22:48,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695681573] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:22:48,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722917954] [2023-12-02 20:22:48,206 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 20:22:48,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:22:48,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:22:48,207 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:22:48,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:22:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:22:48,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-02 20:22:48,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:22:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 28 proven. 304 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:22:51,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:22:54,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:22:54,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 279 treesize of output 690 [2023-12-02 20:22:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 28 proven. 250 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 20:22:56,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722917954] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:22:56,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:22:56,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 18] total 73 [2023-12-02 20:22:56,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134110109] [2023-12-02 20:22:56,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:22:56,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-12-02 20:22:56,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:22:56,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-12-02 20:22:56,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=587, Invalid=4815, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 20:22:56,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:22:56,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:22:56,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 3.72972972972973) internal successors, (276), 73 states have internal predecessors, (276), 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) [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:22:56,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:23:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:23:05,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 20:23:05,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 20:23:05,930 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:23:05,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:23:05,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1032193430, now seen corresponding path program 8 times [2023-12-02 20:23:05,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:23:05,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234514331] [2023-12-02 20:23:05,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:23:05,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:23:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:23:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 15 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:23:14,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:23:14,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234514331] [2023-12-02 20:23:14,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234514331] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:23:14,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672385150] [2023-12-02 20:23:14,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:23:14,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:23:14,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:23:14,631 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:23:14,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 20:23:14,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:23:14,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:23:14,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 84 conjunts are in the unsatisfiable core [2023-12-02 20:23:14,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:23:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 28 proven. 336 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:23:18,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:23:22,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:23:22,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 312 treesize of output 864 [2023-12-02 20:23:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 20 proven. 284 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 20:23:25,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672385150] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:23:25,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:23:25,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 28, 20] total 79 [2023-12-02 20:23:25,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381166695] [2023-12-02 20:23:25,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:23:25,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2023-12-02 20:23:25,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:23:25,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2023-12-02 20:23:25,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=605, Invalid=5715, Unknown=0, NotChecked=0, Total=6320 [2023-12-02 20:23:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:25,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:23:25,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.5625) internal successors, (285), 79 states have internal predecessors, (285), 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) [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:23:25,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:23:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:23:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:23:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:23:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:23:36,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 20:23:36,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 20:23:36,345 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:23:36,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:23:36,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1824091533, now seen corresponding path program 9 times [2023-12-02 20:23:36,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:23:36,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049987005] [2023-12-02 20:23:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:23:36,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:23:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:23:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 75 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:23:46,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:23:46,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049987005] [2023-12-02 20:23:46,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049987005] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:23:46,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003345939] [2023-12-02 20:23:46,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:23:46,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:23:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:23:46,539 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:23:46,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 20:23:48,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-12-02 20:23:48,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:23:48,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 99 conjunts are in the unsatisfiable core [2023-12-02 20:23:48,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:23:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 28 proven. 471 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:23:52,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:23:58,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:23:58,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 347 treesize of output 1060 [2023-12-02 20:24:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 57 proven. 365 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 20:24:02,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003345939] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:24:02,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:24:02,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 33, 22] total 90 [2023-12-02 20:24:02,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264643929] [2023-12-02 20:24:02,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:24:02,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-12-02 20:24:02,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-12-02 20:24:02,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=631, Invalid=7559, Unknown=0, NotChecked=0, Total=8190 [2023-12-02 20:24:02,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:02,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:02,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 3.6043956043956045) internal successors, (328), 90 states have internal predecessors, (328), 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) [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:24:02,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:24:02,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:02,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:24:02,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:24:02,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:24:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:24:18,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 20:24:18,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 20:24:18,537 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:24:18,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:18,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1686796182, now seen corresponding path program 10 times [2023-12-02 20:24:18,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:18,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016750404] [2023-12-02 20:24:18,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:18,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:24:37,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:37,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016750404] [2023-12-02 20:24:37,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016750404] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:24:37,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709084848] [2023-12-02 20:24:37,971 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 20:24:37,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:37,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:24:37,972 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:24:37,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 20:24:38,186 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 20:24:38,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:24:38,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 99 conjunts are in the unsatisfiable core [2023-12-02 20:24:38,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:24:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 28 proven. 502 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:24:43,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:24:51,732 INFO L349 Elim1Store]: treesize reduction 550, result has 53.7 percent of original size [2023-12-02 20:24:51,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 380 treesize of output 724 [2023-12-02 20:24:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 45 proven. 409 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 20:24:53,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709084848] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:24:53,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:24:53,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 32, 24] total 94 [2023-12-02 20:24:53,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131602818] [2023-12-02 20:24:53,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:24:53,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2023-12-02 20:24:53,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:53,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2023-12-02 20:24:53,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=859, Invalid=8071, Unknown=0, NotChecked=0, Total=8930 [2023-12-02 20:24:53,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:53,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:53,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 3.526315789473684) internal successors, (335), 94 states have internal predecessors, (335), 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) [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:24:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:24:53,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:24:53,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:25:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 20:25:10,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 20:25:11,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 20:25:11,049 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:25:11,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:25:11,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2072801549, now seen corresponding path program 11 times [2023-12-02 20:25:11,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:25:11,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331050793] [2023-12-02 20:25:11,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:25:11,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:25:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:25:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:25:44,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:25:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331050793] [2023-12-02 20:25:44,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331050793] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:25:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421669481] [2023-12-02 20:25:44,689 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-02 20:25:44,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:25:44,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:25:44,690 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:25:44,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 20:25:44,998 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-12-02 20:25:44,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:25:45,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 117 conjunts are in the unsatisfiable core [2023-12-02 20:25:45,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:25:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 28 proven. 672 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:25:54,774 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:26:06,867 INFO L349 Elim1Store]: treesize reduction 660, result has 53.4 percent of original size [2023-12-02 20:26:06,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 415 treesize of output 850 [2023-12-02 20:26:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 96 proven. 500 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-02 20:26:08,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421669481] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:26:08,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:26:08,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 39, 26] total 106 [2023-12-02 20:26:08,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091352815] [2023-12-02 20:26:08,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:26:08,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2023-12-02 20:26:08,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:26:08,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2023-12-02 20:26:08,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=607, Invalid=10735, Unknown=0, NotChecked=0, Total=11342 [2023-12-02 20:26:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:08,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:26:08,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 3.5514018691588785) internal successors, (380), 106 states have internal predecessors, (380), 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) [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-12-02 20:26:08,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:26:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 20:26:48,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 20:26:48,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 20:26:48,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 20:26:48,249 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:26:48,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:26:48,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1783307872, now seen corresponding path program 12 times [2023-12-02 20:26:48,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:26:48,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731030382] [2023-12-02 20:26:48,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:26:48,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:26:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:27:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:27:19,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:27:19,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731030382] [2023-12-02 20:27:19,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731030382] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:27:19,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368834204] [2023-12-02 20:27:19,630 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-02 20:27:19,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:27:19,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:27:19,630 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:27:19,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e440c613-8ea5-4b0b-ac8a-8d69bab2b9bc/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-02 20:27:20,901 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-12-02 20:27:20,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:27:20,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 148 conjunts are in the unsatisfiable core [2023-12-02 20:27:20,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:27:20,929 INFO L378 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 14 treesize of output 12 [2023-12-02 20:27:22,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 20:27:22,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 20:27:22,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 20:27:22,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:27:22,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 20:27:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 21 proven. 739 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 20:27:33,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:28:06,394 INFO L349 Elim1Store]: treesize reduction 52, result has 49.5 percent of original size [2023-12-02 20:28:06,395 INFO L378 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 3 case distinctions, treesize of input 1146 treesize of output 520 [2023-12-02 20:28:06,420 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,422 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,425 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,432 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,448 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,449 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,472 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,479 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,481 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,483 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,485 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,486 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,489 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,516 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,518 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,526 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,530 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,531 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,533 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,534 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,538 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,553 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,554 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,555 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,557 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,558 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,559 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,562 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,563 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,564 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,579 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,583 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,584 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:06,585 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:09,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:28:09,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 28 select indices, 28 select index equivalence classes, 234 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 1554 treesize of output 3078 [2023-12-02 20:28:10,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,186 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,186 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,223 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,252 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,252 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,266 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,273 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,283 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,285 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,285 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,286 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,295 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,299 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,318 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,319 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,332 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,339 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,373 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,373 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,388 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,402 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,416 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,418 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,436 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,450 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:10,467 INFO L224 Elim1Store]: Index analysis took 293 ms [2023-12-02 20:28:11,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:28:11,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 234 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 91 case distinctions, treesize of input 1284 treesize of output 1808 [2023-12-02 20:28:12,587 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,588 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,591 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,593 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,594 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,595 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,599 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,615 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,642 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,654 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,676 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,688 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,694 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,725 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,725 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,802 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,816 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,828 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,845 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,861 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,866 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,898 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,899 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,900 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,905 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,905 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,910 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,911 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,914 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,919 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,919 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:28:12,922 INFO L224 Elim1Store]: Index analysis took 341 ms [2023-12-02 20:28:14,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:28:14,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 234 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 91 case distinctions, treesize of input 875 treesize of output 1579