./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:14,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:14,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:31:14,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:14,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:14,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:14,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:14,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:14,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:14,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:14,456 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:14,456 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:14,457 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:14,458 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:14,459 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:14,459 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:14,460 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:14,460 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:14,461 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:14,461 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:14,462 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:14,462 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:14,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:14,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:14,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:14,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:14,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:14,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:14,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:14,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:14,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:14,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:14,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:14,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:14,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:14,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:14,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:14,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:14,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:14,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:14,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:14,471 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:14,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:14,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:14,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:14,472 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:14,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:14,473 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cca3532c956cbfb3f8d24df68dd431ff61516e63bcc0106c0529c479d6a4ef [2023-11-23 20:31:14,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:14,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:14,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:14,787 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:14,788 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:14,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-23 20:31:17,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:18,298 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:18,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i [2023-11-23 20:31:18,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/data/6d0325b5d/db78e414371349e992fcde17f6880b18/FLAGdba981b31 [2023-11-23 20:31:18,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/data/6d0325b5d/db78e414371349e992fcde17f6880b18 [2023-11-23 20:31:18,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:18,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:18,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:18,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:18,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:18,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:18,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb29d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:18, skipping insertion in model container [2023-11-23 20:31:18,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:18" (1/1) ... [2023-11-23 20:31:18,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:18,812 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_d6431800-f10d-4213-8169-31e3eab12566/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2023-11-23 20:31:18,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:19,001 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:19,041 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_d6431800-f10d-4213-8169-31e3eab12566/sv-benchmarks/c/seq-pthread/cs_time_var_mutex.i[23611,23624] [2023-11-23 20:31:19,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:19,182 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:19,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19 WrapperNode [2023-11-23 20:31:19,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:19,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:19,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:19,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:19,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,290 INFO L138 Inliner]: procedures = 145, calls = 317, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 527 [2023-11-23 20:31:19,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:19,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:19,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:19,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:19,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:19,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:19,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:19,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:19,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (1/1) ... [2023-11-23 20:31:19,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:19,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:19,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:19,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:31:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:31:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:31:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:31:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-11-23 20:31:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-11-23 20:31:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 20:31:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 20:31:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:31:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 20:31:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 20:31:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:31:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:31:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:31:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:31:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 20:31:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 20:31:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-11-23 20:31:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-11-23 20:31:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:19,750 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:19,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:22,588 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:22,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:22,769 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:31:22,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:22 BoogieIcfgContainer [2023-11-23 20:31:22,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:22,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:22,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:22,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:22,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:18" (1/3) ... [2023-11-23 20:31:22,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71004e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:22, skipping insertion in model container [2023-11-23 20:31:22,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:19" (2/3) ... [2023-11-23 20:31:22,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71004e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:22, skipping insertion in model container [2023-11-23 20:31:22,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:22" (3/3) ... [2023-11-23 20:31:22,782 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_time_var_mutex.i [2023-11-23 20:31:22,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:22,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:22,866 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:22,873 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=FINITE_AUTOMATA, 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;@33f775ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:22,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 70 states have internal predecessors, (88), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-23 20:31:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 20:31:22,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:22,901 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:22,902 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:22,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash -357453360, now seen corresponding path program 1 times [2023-11-23 20:31:22,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:22,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898328307] [2023-11-23 20:31:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:22,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:31:23,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:23,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898328307] [2023-11-23 20:31:23,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898328307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:23,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:23,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:31:23,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110785232] [2023-11-23 20:31:23,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:23,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:24,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:24,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:24,027 INFO L87 Difference]: Start difference. First operand has 123 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 70 states have internal predecessors, (88), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:31:26,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:28,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:28,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:28,338 INFO L93 Difference]: Finished difference Result 245 states and 355 transitions. [2023-11-23 20:31:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:28,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 98 [2023-11-23 20:31:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:28,351 INFO L225 Difference]: With dead ends: 245 [2023-11-23 20:31:28,352 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 20:31:28,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:28,360 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 2 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 318 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 20:31:28,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 20:31:28,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2023-11-23 20:31:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 69 states have internal predecessors, (86), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-23 20:31:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 176 transitions. [2023-11-23 20:31:28,419 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 176 transitions. Word has length 98 [2023-11-23 20:31:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:28,419 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 176 transitions. [2023-11-23 20:31:28,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:31:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2023-11-23 20:31:28,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:31:28,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:28,427 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:28,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:31:28,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:28,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1406701261, now seen corresponding path program 1 times [2023-11-23 20:31:28,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:28,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664636015] [2023-11-23 20:31:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:28,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:31:29,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:29,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664636015] [2023-11-23 20:31:29,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664636015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:29,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:29,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:31:29,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624389981] [2023-11-23 20:31:29,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:29,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:29,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:29,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:29,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:29,022 INFO L87 Difference]: Start difference. First operand 122 states and 176 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:31:31,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:33,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:33,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:33,263 INFO L93 Difference]: Finished difference Result 243 states and 352 transitions. [2023-11-23 20:31:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:33,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 100 [2023-11-23 20:31:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:33,266 INFO L225 Difference]: With dead ends: 243 [2023-11-23 20:31:33,266 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 20:31:33,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:33,269 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:33,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-11-23 20:31:33,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 20:31:33,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 20:31:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 70 states have internal predecessors, (87), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-23 20:31:33,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 177 transitions. [2023-11-23 20:31:33,288 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 177 transitions. Word has length 100 [2023-11-23 20:31:33,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:33,288 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 177 transitions. [2023-11-23 20:31:33,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:31:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 177 transitions. [2023-11-23 20:31:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:31:33,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:33,293 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:33,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:31:33,293 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:33,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:33,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1665882198, now seen corresponding path program 1 times [2023-11-23 20:31:33,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:33,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526407385] [2023-11-23 20:31:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:33,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:33,863 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:31:33,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:33,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526407385] [2023-11-23 20:31:33,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526407385] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:31:33,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185340394] [2023-11-23 20:31:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:33,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:31:33,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:33,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:31:33,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:31:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:34,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:31:34,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:31:34,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:31:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:31:34,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185340394] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:31:34,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1053658599] [2023-11-23 20:31:34,806 INFO L159 IcfgInterpreter]: Started Sifa with 58 locations of interest [2023-11-23 20:31:34,807 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 20:31:34,811 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 20:31:34,817 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 20:31:34,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 20:31:48,364 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 20:31:58,478 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 396 DAG size of output: 375 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-23 20:32:00,507 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse39 (+ |c_~#busy~0.offset| 4)) (.cse12 (+ |c_~#block~0.offset| 4)) (.cse14 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse15 (+ 32 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse17 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse18 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 20)) (.cse20 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse21 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 28)) (.cse23 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse24 (+ 16 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse26 (+ |c_~#__CS_thread_lockedon~0.offset| 24)) (.cse27 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 24)) (.cse28 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse29 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 12)) (.cse3 (+ 8 |c_~#block~0.offset|)) (.cse30 (+ |c_~#m_inode~0.offset| 1)) (.cse9 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse31 (+ |c_~#m_busy~0.offset| 1)) (.cse34 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse43 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse7 (+ |c_~#busy~0.offset| 8)) (.cse40 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse5 (+ 2 |c_~#m_inode~0.offset|)) (.cse38 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse41 (+ |c_~#m_busy~0.offset| 2)) (.cse42 (+ |c_~#inode~0.offset| 8)) (.cse36 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse0 (+ |c_~#inode~0.offset| 4))) (and (exists ((v_~__CS_thread~0.base_40 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_40 0 |#funAddr~main_thread.base|))) (exists ((|v_#memory_$Pointer$.offset_159| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_170| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_160| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_171| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_161| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_162| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_163| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_284| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_164| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_165| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_166| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_167| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_168| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_158| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_169| (Array Int (Array Int Int)))) (let ((.cse2 (select |v_#memory_$Pointer$.offset_163| |c_~#block~0.base|)) (.cse4 (select |v_#memory_$Pointer$.offset_158| |c_~#m_inode~0.base|)) (.cse33 (select |v_#memory_$Pointer$.offset_167| |c_~#__CS_thread_status~0.base|)) (.cse8 (select |v_#memory_$Pointer$.offset_169| |c_~#__CS_thread_status~0.base|)) (.cse6 (select |v_#memory_$Pointer$.offset_162| |c_~#busy~0.base|)) (.cse10 (select |v_#memory_$Pointer$.offset_168| |c_~#__CS_thread_status~0.base|)) (.cse35 (select |v_#memory_$Pointer$.offset_164| |c_~#__CS_thread_status~0.base|)) (.cse32 (select |v_#memory_$Pointer$.offset_156| |c_~#m_busy~0.base|)) (.cse1 (select |v_#memory_$Pointer$.offset_160| |c_~#inode~0.base|)) (.cse37 (select |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_161| |c_~#inode~0.base| (store (select |v_#memory_$Pointer$.offset_161| |c_~#inode~0.base|) .cse0 (select .cse1 .cse0))) |v_#memory_$Pointer$.offset_160|) (= (store |v_#memory_$Pointer$.offset_170| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_170| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_166| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.offset_166|) (= (store |v_#memory_$Pointer$.offset_163| |c_~#block~0.base| (store .cse2 .cse3 (select (select |v_#memory_$Pointer$.offset_155| |c_~#block~0.base|) .cse3))) |v_#memory_$Pointer$.offset_155|) (= (store |v_#memory_$Pointer$.offset_171| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_171| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_170| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_170|) (= (store |v_#memory_$Pointer$.offset_158| |c_~#m_inode~0.base| (store .cse4 .cse5 (select (select |v_#memory_$Pointer$.offset_157| |c_~#m_inode~0.base|) .cse5))) |v_#memory_$Pointer$.offset_157|) (= |v_#memory_$Pointer$.offset_161| (store |v_#memory_$Pointer$.offset_162| |c_~#busy~0.base| (store .cse6 .cse7 (select (select |v_#memory_$Pointer$.offset_161| |c_~#busy~0.base|) .cse7)))) (= (store |v_#memory_$Pointer$.offset_166| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_166| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_$Pointer$.offset_169| |c_~#__CS_thread_status~0.base| (store .cse8 .cse9 (select .cse10 .cse9))) |v_#memory_$Pointer$.offset_168|) (= |v_#memory_$Pointer$.offset_163| (let ((.cse11 (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| (let ((.cse13 (let ((.cse16 (let ((.cse19 (let ((.cse22 (let ((.cse25 (store (select |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base|) .cse28 (select (select |v_#memory_$Pointer$.offset_165| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse29)))) (store .cse25 .cse26 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse25) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse27))))) (store .cse22 .cse23 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse22) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse24))))) (store .cse19 .cse20 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse19) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse21))))) (store .cse16 .cse17 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse16) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse18))))) (store .cse13 .cse14 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse13) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse15)))))) (store .cse11 |c_~#block~0.base| (store (select .cse11 |c_~#block~0.base|) .cse12 (select .cse2 .cse12))))) (= (store |v_#memory_$Pointer$.offset_159| |c_~#m_inode~0.base| (store (select |v_#memory_$Pointer$.offset_159| |c_~#m_inode~0.base|) .cse30 (select .cse4 .cse30))) |v_#memory_$Pointer$.offset_158|) (= (store |v_#memory_$Pointer$.offset_157| |c_~#m_busy~0.base| (store (select |v_#memory_$Pointer$.offset_157| |c_~#m_busy~0.base|) .cse31 (select .cse32 .cse31))) |v_#memory_$Pointer$.offset_156|) (= (store |v_#memory_$Pointer$.offset_167| |c_~#__CS_thread_status~0.base| (store .cse33 .cse34 (select (select |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_status~0.base|) .cse34))) |v_#memory_$Pointer$.offset_165|) (= |v_#memory_$Pointer$.offset_167| (store |v_#memory_$Pointer$.offset_164| |c_~#__CS_thread_status~0.base| (store .cse35 .cse36 (select .cse33 .cse36)))) (= (store |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base| (store .cse37 .cse38 (select .cse8 .cse38))) |v_#memory_$Pointer$.offset_169|) (= (store |v_#memory_$Pointer$.offset_155| |c_~#busy~0.base| (store (select |v_#memory_$Pointer$.offset_155| |c_~#busy~0.base|) .cse39 (select .cse6 .cse39))) |v_#memory_$Pointer$.offset_162|) (= (store |v_#memory_$Pointer$.offset_168| |c_~#__CS_thread_status~0.base| (store .cse10 .cse40 (select .cse35 .cse40))) |v_#memory_$Pointer$.offset_164|) (= (store |v_#memory_$Pointer$.offset_156| |c_~#m_busy~0.base| (store .cse32 .cse41 (select (select |v_#memory_$Pointer$.offset_171| |c_~#m_busy~0.base|) .cse41))) |v_#memory_$Pointer$.offset_171|) (= (store |v_#memory_$Pointer$.offset_160| |c_~#inode~0.base| (store .cse1 .cse42 (select (select |v_#memory_$Pointer$.offset_159| |c_~#inode~0.base|) .cse42))) |v_#memory_$Pointer$.offset_159|) (= (store |v_#memory_$Pointer$.offset_284| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_284| |c_~#__CS_thread_status~0.base|) .cse43 (select .cse37 .cse43))) |v_#memory_$Pointer$.offset_154|)))) (<= 3 |c_ULTIMATE.start_main_~i~0#1|) (<= 3 |c_ULTIMATE.start_main_~j~2#1|) (exists ((|v_#memory_int_190| (Array Int (Array Int Int))) (|v_#memory_int_147| (Array Int (Array Int Int))) (|v_#memory_int_148| (Array Int (Array Int Int))) (|v_#memory_int_149| (Array Int (Array Int Int))) (|v_#memory_int_146| (Array Int (Array Int Int))) (|v_#memory_int_150| (Array Int (Array Int Int))) (|v_#memory_int_151| (Array Int (Array Int Int)))) (let ((.cse61 (select |v_#memory_int_150| |c_~#__CS_thread_lockedon~0.base|)) (.cse58 (select |v_#memory_int_149| |c_~#__CS_thread_lockedon~0.base|)) (.cse59 (select |v_#memory_int_148| |c_~#__CS_thread_lockedon~0.base|)) (.cse56 (select |v_#memory_int_147| |c_~#__CS_thread_lockedon~0.base|)) (.cse57 (select |v_#memory_int_146| |c_~#__CS_thread_lockedon~0.base|))) (and (= (let ((.cse44 (let ((.cse45 (let ((.cse46 (let ((.cse47 (let ((.cse49 (let ((.cse51 (let ((.cse53 (store |v_#memory_int_151| |c_~#block~0.base| (let ((.cse55 (store (select |v_#memory_int_151| |c_~#block~0.base|) .cse12 (select (select |v_#memory_int_151| |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.offset|))))) (store .cse55 .cse3 (select (select (store |v_#memory_int_151| |c_~#block~0.base| .cse55) |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.offset|))))))) (store .cse53 |c_~#busy~0.base| (let ((.cse54 (store (select .cse53 |c_~#busy~0.base|) .cse39 (select (select .cse53 |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.offset| 4))))) (store .cse54 .cse7 (select (select (store .cse53 |c_~#busy~0.base| .cse54) |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.offset| 8)))))))) (store .cse51 |c_~#inode~0.base| (let ((.cse52 (store (select .cse51 |c_~#inode~0.base|) .cse0 (select (select .cse51 |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.offset| 4))))) (store .cse52 .cse42 (select (select (store .cse51 |c_~#inode~0.base| .cse52) |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.offset| 8)))))))) (store .cse49 |c_~#m_inode~0.base| (let ((.cse50 (store (select .cse49 |c_~#m_inode~0.base|) .cse30 (select (select .cse49 |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.offset| 1))))) (store .cse50 .cse5 (select (select (store .cse49 |c_~#m_inode~0.base| .cse50) |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base|) (+ 2 |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.offset|)))))))) (store .cse47 |c_~#m_busy~0.base| (let ((.cse48 (store (select .cse47 |c_~#m_busy~0.base|) .cse31 (select (select .cse47 |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.offset| 1))))) (store .cse48 .cse41 (select (select (store .cse47 |c_~#m_busy~0.base| .cse48) |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base|) (+ 2 |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.offset|)))))))) (store .cse46 |c_~#__CS_thread_born_round~0.base| (store (select .cse46 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse45 |c_~#__CS_thread_status~0.base| (store (select .cse45 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse44 |c_~#__CS_thread_allocated~0.base| (store (select .cse44 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1))) |c_#memory_int|) (= (store |v_#memory_int_147| |c_~#__CS_thread_lockedon~0.base| (store .cse56 .cse17 (select .cse57 .cse17))) |v_#memory_int_146|) (= (store |v_#memory_int_149| |c_~#__CS_thread_lockedon~0.base| (store .cse58 .cse23 (select .cse59 .cse23))) |v_#memory_int_148|) (= (let ((.cse60 (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| (let ((.cse62 (let ((.cse63 (let ((.cse64 (let ((.cse65 (let ((.cse66 (store (select |v_#memory_int_190| |c_~#__CS_thread_status~0.base|) .cse43 (select (select |v_#memory_int_190| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 3))))) (store .cse66 .cse38 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse66) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 6)))))) (store .cse65 .cse9 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse65) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 4)))))) (store .cse64 .cse40 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse64) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ 7 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|)))))) (store .cse63 .cse36 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse63) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 5)))))) (store .cse62 .cse34 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse62) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 8))))))) (store .cse60 |c_~#__CS_thread_lockedon~0.base| (store (select .cse60 |c_~#__CS_thread_lockedon~0.base|) .cse28 (select .cse61 .cse28)))) |v_#memory_int_150|) (= (store |v_#memory_int_150| |c_~#__CS_thread_lockedon~0.base| (store .cse61 .cse26 (select .cse58 .cse26))) |v_#memory_int_149|) (= (store |v_#memory_int_148| |c_~#__CS_thread_lockedon~0.base| (store .cse59 .cse20 (select .cse56 .cse20))) |v_#memory_int_147|) (= (store |v_#memory_int_146| |c_~#__CS_thread_lockedon~0.base| (store .cse57 .cse14 (select (select |v_#memory_int_151| |c_~#__CS_thread_lockedon~0.base|) .cse14))) |v_#memory_int_151|)))) (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_ULTIMATE.start_main_#t~mem76#1|) (exists ((v_~__CS_thread~0.offset_40 (Array Int Int))) (= (store v_~__CS_thread~0.offset_40 0 |#funAddr~main_thread.offset|) c_~__CS_thread~0.offset)) (exists ((|v_#memory_$Pointer$.base_163| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_284| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_162| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_161| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_160| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_171| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_170| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_159| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_158| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_169| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_168| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_167| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_166| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_165| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_164| (Array Int (Array Int Int)))) (let ((.cse69 (select |v_#memory_$Pointer$.base_167| |c_~#block~0.base|)) (.cse67 (select |v_#memory_$Pointer$.base_159| |c_~#busy~0.base|)) (.cse77 (select |v_#memory_$Pointer$.base_170| |c_~#__CS_thread_status~0.base|)) (.cse75 (select |v_#memory_$Pointer$.base_158| |c_~#m_inode~0.base|)) (.cse80 (select |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_status~0.base|)) (.cse76 (select |v_#memory_$Pointer$.base_171| |c_~#__CS_thread_status~0.base|)) (.cse78 (select |v_#memory_$Pointer$.base_160| |c_~#m_busy~0.base|)) (.cse81 (select |v_#memory_$Pointer$.base_162| |c_~#__CS_thread_status~0.base|)) (.cse79 (select |v_#memory_$Pointer$.base_165| |c_~#__CS_thread_status~0.base|)) (.cse82 (select |v_#memory_$Pointer$.base_154| |c_~#inode~0.base|))) (and (= (store |v_#memory_$Pointer$.base_166| |c_~#busy~0.base| (store (select |v_#memory_$Pointer$.base_166| |c_~#busy~0.base|) .cse39 (select .cse67 .cse39))) |v_#memory_$Pointer$.base_159|) (= (let ((.cse68 (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| (let ((.cse70 (let ((.cse71 (let ((.cse72 (let ((.cse73 (let ((.cse74 (store (select |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base|) .cse28 (select (select |v_#memory_$Pointer$.base_169| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse29)))) (store .cse74 .cse26 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse74) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse27))))) (store .cse73 .cse23 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse73) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse24))))) (store .cse72 .cse20 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse72) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse21))))) (store .cse71 .cse17 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse71) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse18))))) (store .cse70 .cse14 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse70) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse15)))))) (store .cse68 |c_~#block~0.base| (store (select .cse68 |c_~#block~0.base|) .cse12 (select .cse69 .cse12)))) |v_#memory_$Pointer$.base_167|) (= (store |v_#memory_$Pointer$.base_168| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_168| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_163| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.base_163|) (= |v_#memory_$Pointer$.base_166| (store |v_#memory_$Pointer$.base_167| |c_~#block~0.base| (store .cse69 .cse3 (select (select |v_#memory_$Pointer$.base_166| |c_~#block~0.base|) .cse3)))) (= (store |v_#memory_$Pointer$.base_157| |c_~#m_inode~0.base| (store (select |v_#memory_$Pointer$.base_157| |c_~#m_inode~0.base|) .cse30 (select .cse75 .cse30))) |v_#memory_$Pointer$.base_158|) (= (store |v_#memory_$Pointer$.base_171| |c_~#__CS_thread_status~0.base| (store .cse76 .cse9 (select .cse77 .cse9))) |v_#memory_$Pointer$.base_170|) (= (store |v_#memory_$Pointer$.base_155| |c_~#m_busy~0.base| (store (select |v_#memory_$Pointer$.base_155| |c_~#m_busy~0.base|) .cse31 (select .cse78 .cse31))) |v_#memory_$Pointer$.base_160|) (= (store |v_#memory_$Pointer$.base_164| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_164| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.base|) (= (store |v_#memory_$Pointer$.base_165| |c_~#__CS_thread_status~0.base| (store .cse79 .cse34 (select (select |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_status~0.base|) .cse34))) |v_#memory_$Pointer$.base_169|) (= (store |v_#memory_$Pointer$.base_163| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_163| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_164| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.base_164|) (= |v_#memory_$Pointer$.base_156| (store |v_#memory_$Pointer$.base_284| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_284| |c_~#__CS_thread_status~0.base|) .cse43 (select .cse80 .cse43)))) (= (store |v_#memory_$Pointer$.base_159| |c_~#busy~0.base| (store .cse67 .cse7 (select (select |v_#memory_$Pointer$.base_161| |c_~#busy~0.base|) .cse7))) |v_#memory_$Pointer$.base_161|) (= (store |v_#memory_$Pointer$.base_170| |c_~#__CS_thread_status~0.base| (store .cse77 .cse40 (select .cse81 .cse40))) |v_#memory_$Pointer$.base_162|) (= (store |v_#memory_$Pointer$.base_158| |c_~#m_inode~0.base| (store .cse75 .cse5 (select (select |v_#memory_$Pointer$.base_155| |c_~#m_inode~0.base|) .cse5))) |v_#memory_$Pointer$.base_155|) (= (store |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_status~0.base| (store .cse80 .cse38 (select .cse76 .cse38))) |v_#memory_$Pointer$.base_171|) (= (store |v_#memory_$Pointer$.base_160| |c_~#m_busy~0.base| (store .cse78 .cse41 (select (select |v_#memory_$Pointer$.base_168| |c_~#m_busy~0.base|) .cse41))) |v_#memory_$Pointer$.base_168|) (= (store |v_#memory_$Pointer$.base_154| |c_~#inode~0.base| (store .cse82 .cse42 (select (select |v_#memory_$Pointer$.base_157| |c_~#inode~0.base|) .cse42))) |v_#memory_$Pointer$.base_157|) (= (store |v_#memory_$Pointer$.base_162| |c_~#__CS_thread_status~0.base| (store .cse81 .cse36 (select .cse79 .cse36))) |v_#memory_$Pointer$.base_165|) (= (store |v_#memory_$Pointer$.base_161| |c_~#inode~0.base| (store (select |v_#memory_$Pointer$.base_161| |c_~#inode~0.base|) .cse0 (select .cse82 .cse0))) |v_#memory_$Pointer$.base_154|)))) (= c_~__CS_round~0 0) (= c_~__CS_thread_index~0 0))) is different from false [2023-11-23 20:32:00,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1053658599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:00,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 20:32:00,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4, 4] total 8 [2023-11-23 20:32:00,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081965989] [2023-11-23 20:32:00,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:00,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:32:00,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:00,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:32:00,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2023-11-23 20:32:00,528 INFO L87 Difference]: Start difference. First operand 123 states and 177 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:32:02,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:32:04,772 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (< 2 |c_ULTIMATE.start_main_~j~2#1|)) (.cse58 (+ |c_~#busy~0.offset| 4)) (.cse31 (+ |c_~#block~0.offset| 4)) (.cse33 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse34 (+ 32 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse36 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse37 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 20)) (.cse39 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse40 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 28)) (.cse42 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse43 (+ 16 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|)) (.cse45 (+ |c_~#__CS_thread_lockedon~0.offset| 24)) (.cse46 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 24)) (.cse47 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse48 (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 12)) (.cse22 (+ 8 |c_~#block~0.offset|)) (.cse49 (+ |c_~#m_inode~0.offset| 1)) (.cse28 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse50 (+ |c_~#m_busy~0.offset| 1)) (.cse53 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse62 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse26 (+ |c_~#busy~0.offset| 8)) (.cse59 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse24 (+ 2 |c_~#m_inode~0.offset|)) (.cse57 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse60 (+ |c_~#m_busy~0.offset| 2)) (.cse61 (+ |c_~#inode~0.offset| 8)) (.cse55 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse19 (+ |c_~#inode~0.offset| 4)) (.cse86 (= c_~__CS_round~0 0)) (.cse87 (= c_~__CS_thread_index~0 0))) (and (or .cse0 (let ((.cse14 (select |c_#memory_int| 4)) (.cse16 (select |c_#memory_int| 11)) (.cse18 (select |c_#memory_int| 1)) (.cse13 (select |c_#memory_int| 3)) (.cse4 (select |c_#memory_int| 10)) (.cse3 (select |c_#memory_int| 5)) (.cse17 (select |c_#memory_int| 7)) (.cse12 (select |c_#memory_$Pointer$.offset| 6)) (.cse11 (select |c_#memory_int| 9)) (.cse2 (+ |c_#StackHeapBarrier| 1)) (.cse1 (select |c_#memory_$Pointer$.base| 6)) (.cse15 (select |c_#memory_int| 8))) (and (= (select .cse1 28) 0) (<= .cse2 |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base|) (exists ((v_~__CS_thread~0.base_39 (Array Int Int))) (= (store (store (store v_~__CS_thread~0.base_39 0 0) 1 0) 2 0) c_~__CS_thread~0.base)) (= (select .cse3 2) 0) (= (select .cse3 5) 0) (= (select .cse3 8) 0) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet136#1_7| Int) (v_~__CS_u~0.inode_9 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet135#1_7| Int)) (= (store (store (store v_~__CS_u~0.inode_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet135#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet136#1_7|) 2 (select c_~__CS_u~0.inode 2)) c_~__CS_u~0.inode)) (= (select .cse4 1) 0) (exists ((|v_#valid_68| (Array Int Int))) (let ((.cse9 (store |v_#valid_68| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base| 1))) (let ((.cse7 (store .cse9 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base| 1))) (let ((.cse8 (store .cse7 |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base| 1))) (let ((.cse10 (store .cse8 |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base| 1))) (let ((.cse6 (store .cse10 |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base| 1))) (let ((.cse5 (store .cse6 |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base| 1))) (and (= (select |v_#valid_68| 5) 1) (= |c_#valid| (store .cse5 |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base| 1)) (= (select .cse6 |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base|) 0) (= (select |v_#valid_68| 2) 1) (= (select .cse7 |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base|) 0) (= (select .cse8 |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base|) 0) (= (select |v_#valid_68| 1) 1) (= 1 (select |v_#valid_68| 7)) (= (select |v_#valid_68| 10) 1) (= 0 (select .cse9 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|)) (= (select |v_#valid_68| 11) 1) (= (select |v_#valid_68| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) 0) (= (select |v_#valid_68| 6) 1) (= (select |v_#valid_68| 8) 1) (= (select |v_#valid_68| 3) 1) (= (select |v_#valid_68| 4) 1) (= 0 (select .cse10 |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base|)) (= 0 (select |v_#valid_68| 0)) (= (select |v_#valid_68| 9) 1) (= (select .cse5 |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base|) 0))))))))) (= 0 (select .cse4 2)) (exists ((|v_#length_23| (Array Int Int))) (and (= (select |v_#length_23| 11) 3) (= (select |v_#length_23| 9) 12) (= 3 (select |v_#length_23| 10)) (= 20 (select |v_#length_23| 2)) (= (select |v_#length_23| 4) 3) (= (select |v_#length_23| 8) 12) (= 12 (select |v_#length_23| 7)) (= 9 (select |v_#length_23| 5)) (= (select |v_#length_23| 3) 3) (= (select |v_#length_23| 6) 36) (= (store (store (store (store (store (store (store |v_#length_23| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base| 9) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base| 36) |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base| 12) |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base| 12) |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base| 12) |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base| 3) |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base| 3) |c_#length|) (= (select |v_#length_23| 1) 2))) (<= .cse2 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (= (select .cse11 0) 0) (= 0 (select .cse12 16)) (= (select .cse13 0) 0) (= (select .cse14 0) 0) (exists ((v_~__CS_u~0.block_9 (Array Int Int))) (= c_~__CS_u~0.block (store (store (store v_~__CS_u~0.block_9 0 0) 1 0) 2 0))) (= (select .cse15 4) 0) (= (select .cse16 1) 0) (= (select .cse17 0) 0) (= (select .cse1 12) 0) (<= .cse2 |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base|) (= (select .cse12 32) 0) (<= .cse2 |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base|) (= (select .cse13 1) 0) (<= .cse2 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet141#1_7| Int) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet142#1_7| Int) (v_~__CS_u~0.m_busy_9 (Array Int Int))) (= (store (store (store v_~__CS_u~0.m_busy_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet141#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet142#1_7|) 2 (select c_~__CS_u~0.m_busy 2)) c_~__CS_u~0.m_busy)) (= (select .cse3 4) 0) (= (select .cse3 7) 0) (<= .cse2 |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base|) (= (select .cse18 1) 0) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet139#1_7| Int) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet138#1_7| Int) (v_~__CS_u~0.m_inode_9 (Array Int Int))) (= (store (store (store v_~__CS_u~0.m_inode_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet138#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet139#1_7|) 2 (select c_~__CS_u~0.m_inode 2)) c_~__CS_u~0.m_inode)) (= (select .cse16 0) 0) (= (select .cse1 0) 0) (exists ((v_~__CS_u~0.busy_9 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet133#1_7| Int) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet132#1_7| Int)) (= (store (store (store v_~__CS_u~0.busy_9 0 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet132#1_7|) 1 |v_ULTIMATE.start_ULTIMATE.init_#t~nondet133#1_7|) 2 (select c_~__CS_u~0.busy 2)) c_~__CS_u~0.busy)) (= (select .cse11 4) 0) (= (select .cse12 28) 0) (= (select .cse3 3) 0) (= (select .cse1 4) 0) (= (select .cse14 1) 0) (= (select .cse3 6) 0) (= (select .cse12 12) 0) (= (select .cse14 2) 0) (= (select .cse17 4) 0) (= (select .cse12 4) 0) (= (select .cse3 0) 0) (= (select .cse12 24) 0) (= (select .cse16 2) 0) (= (select .cse12 20) 0) (= (select .cse1 16) 0) (= 48 (select .cse18 0)) (= 0 (select .cse1 20)) (= (select .cse1 32) 0) (= (select .cse13 2) 0) (= (select .cse4 0) 0) (= (select .cse1 8) 0) (= (select .cse12 0) 0) (= (select .cse3 1) 0) (= 0 (select .cse17 8)) (= (select .cse12 8) 0) (= (select .cse11 8) 0) (<= .cse2 |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base|) (exists ((v_~__CS_thread~0.offset_39 (Array Int Int))) (= (store (store (store v_~__CS_thread~0.offset_39 0 0) 1 0) 2 0) c_~__CS_thread~0.offset)) (= (select .cse1 24) 0) (= (select .cse15 0) 0) (= (select .cse15 8) 0)))) (exists ((v_~__CS_thread~0.base_40 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_40 0 |#funAddr~main_thread.base|))) (exists ((|v_#memory_$Pointer$.offset_159| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_170| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_160| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_171| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_161| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_162| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_163| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_284| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_164| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_165| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_166| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_167| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_168| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_158| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_169| (Array Int (Array Int Int)))) (let ((.cse21 (select |v_#memory_$Pointer$.offset_163| |c_~#block~0.base|)) (.cse23 (select |v_#memory_$Pointer$.offset_158| |c_~#m_inode~0.base|)) (.cse52 (select |v_#memory_$Pointer$.offset_167| |c_~#__CS_thread_status~0.base|)) (.cse27 (select |v_#memory_$Pointer$.offset_169| |c_~#__CS_thread_status~0.base|)) (.cse25 (select |v_#memory_$Pointer$.offset_162| |c_~#busy~0.base|)) (.cse29 (select |v_#memory_$Pointer$.offset_168| |c_~#__CS_thread_status~0.base|)) (.cse54 (select |v_#memory_$Pointer$.offset_164| |c_~#__CS_thread_status~0.base|)) (.cse51 (select |v_#memory_$Pointer$.offset_156| |c_~#m_busy~0.base|)) (.cse20 (select |v_#memory_$Pointer$.offset_160| |c_~#inode~0.base|)) (.cse56 (select |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_161| |c_~#inode~0.base| (store (select |v_#memory_$Pointer$.offset_161| |c_~#inode~0.base|) .cse19 (select .cse20 .cse19))) |v_#memory_$Pointer$.offset_160|) (= (store |v_#memory_$Pointer$.offset_170| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_170| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_166| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.offset_166|) (= (store |v_#memory_$Pointer$.offset_163| |c_~#block~0.base| (store .cse21 .cse22 (select (select |v_#memory_$Pointer$.offset_155| |c_~#block~0.base|) .cse22))) |v_#memory_$Pointer$.offset_155|) (= (store |v_#memory_$Pointer$.offset_171| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_171| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_170| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_170|) (= (store |v_#memory_$Pointer$.offset_158| |c_~#m_inode~0.base| (store .cse23 .cse24 (select (select |v_#memory_$Pointer$.offset_157| |c_~#m_inode~0.base|) .cse24))) |v_#memory_$Pointer$.offset_157|) (= |v_#memory_$Pointer$.offset_161| (store |v_#memory_$Pointer$.offset_162| |c_~#busy~0.base| (store .cse25 .cse26 (select (select |v_#memory_$Pointer$.offset_161| |c_~#busy~0.base|) .cse26)))) (= (store |v_#memory_$Pointer$.offset_166| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_166| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_$Pointer$.offset_169| |c_~#__CS_thread_status~0.base| (store .cse27 .cse28 (select .cse29 .cse28))) |v_#memory_$Pointer$.offset_168|) (= |v_#memory_$Pointer$.offset_163| (let ((.cse30 (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| (let ((.cse32 (let ((.cse35 (let ((.cse38 (let ((.cse41 (let ((.cse44 (store (select |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base|) .cse47 (select (select |v_#memory_$Pointer$.offset_165| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse48)))) (store .cse44 .cse45 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse44) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse46))))) (store .cse41 .cse42 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse41) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse43))))) (store .cse38 .cse39 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse38) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse40))))) (store .cse35 .cse36 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse35) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse37))))) (store .cse32 .cse33 (select (select (store |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_lockedon~0.base| .cse32) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse34)))))) (store .cse30 |c_~#block~0.base| (store (select .cse30 |c_~#block~0.base|) .cse31 (select .cse21 .cse31))))) (= (store |v_#memory_$Pointer$.offset_159| |c_~#m_inode~0.base| (store (select |v_#memory_$Pointer$.offset_159| |c_~#m_inode~0.base|) .cse49 (select .cse23 .cse49))) |v_#memory_$Pointer$.offset_158|) (= (store |v_#memory_$Pointer$.offset_157| |c_~#m_busy~0.base| (store (select |v_#memory_$Pointer$.offset_157| |c_~#m_busy~0.base|) .cse50 (select .cse51 .cse50))) |v_#memory_$Pointer$.offset_156|) (= (store |v_#memory_$Pointer$.offset_167| |c_~#__CS_thread_status~0.base| (store .cse52 .cse53 (select (select |v_#memory_$Pointer$.offset_165| |c_~#__CS_thread_status~0.base|) .cse53))) |v_#memory_$Pointer$.offset_165|) (= |v_#memory_$Pointer$.offset_167| (store |v_#memory_$Pointer$.offset_164| |c_~#__CS_thread_status~0.base| (store .cse54 .cse55 (select .cse52 .cse55)))) (= (store |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base| (store .cse56 .cse57 (select .cse27 .cse57))) |v_#memory_$Pointer$.offset_169|) (= (store |v_#memory_$Pointer$.offset_155| |c_~#busy~0.base| (store (select |v_#memory_$Pointer$.offset_155| |c_~#busy~0.base|) .cse58 (select .cse25 .cse58))) |v_#memory_$Pointer$.offset_162|) (= (store |v_#memory_$Pointer$.offset_168| |c_~#__CS_thread_status~0.base| (store .cse29 .cse59 (select .cse54 .cse59))) |v_#memory_$Pointer$.offset_164|) (= (store |v_#memory_$Pointer$.offset_156| |c_~#m_busy~0.base| (store .cse51 .cse60 (select (select |v_#memory_$Pointer$.offset_171| |c_~#m_busy~0.base|) .cse60))) |v_#memory_$Pointer$.offset_171|) (= (store |v_#memory_$Pointer$.offset_160| |c_~#inode~0.base| (store .cse20 .cse61 (select (select |v_#memory_$Pointer$.offset_159| |c_~#inode~0.base|) .cse61))) |v_#memory_$Pointer$.offset_159|) (= (store |v_#memory_$Pointer$.offset_284| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_284| |c_~#__CS_thread_status~0.base|) .cse62 (select .cse56 .cse62))) |v_#memory_$Pointer$.offset_154|)))) (<= 3 |c_ULTIMATE.start_main_~i~0#1|) (<= 3 |c_ULTIMATE.start_main_~j~2#1|) (exists ((|v_#memory_int_190| (Array Int (Array Int Int))) (|v_#memory_int_147| (Array Int (Array Int Int))) (|v_#memory_int_148| (Array Int (Array Int Int))) (|v_#memory_int_149| (Array Int (Array Int Int))) (|v_#memory_int_146| (Array Int (Array Int Int))) (|v_#memory_int_150| (Array Int (Array Int Int))) (|v_#memory_int_151| (Array Int (Array Int Int)))) (let ((.cse80 (select |v_#memory_int_150| |c_~#__CS_thread_lockedon~0.base|)) (.cse77 (select |v_#memory_int_149| |c_~#__CS_thread_lockedon~0.base|)) (.cse78 (select |v_#memory_int_148| |c_~#__CS_thread_lockedon~0.base|)) (.cse75 (select |v_#memory_int_147| |c_~#__CS_thread_lockedon~0.base|)) (.cse76 (select |v_#memory_int_146| |c_~#__CS_thread_lockedon~0.base|))) (and (= (let ((.cse63 (let ((.cse64 (let ((.cse65 (let ((.cse66 (let ((.cse68 (let ((.cse70 (let ((.cse72 (store |v_#memory_int_151| |c_~#block~0.base| (let ((.cse74 (store (select |v_#memory_int_151| |c_~#block~0.base|) .cse31 (select (select |v_#memory_int_151| |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base|) (+ 4 |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.offset|))))) (store .cse74 .cse22 (select (select (store |v_#memory_int_151| |c_~#block~0.base| .cse74) |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.offset|))))))) (store .cse72 |c_~#busy~0.base| (let ((.cse73 (store (select .cse72 |c_~#busy~0.base|) .cse58 (select (select .cse72 |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.offset| 4))))) (store .cse73 .cse26 (select (select (store .cse72 |c_~#busy~0.base| .cse73) |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.offset| 8)))))))) (store .cse70 |c_~#inode~0.base| (let ((.cse71 (store (select .cse70 |c_~#inode~0.base|) .cse19 (select (select .cse70 |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.offset| 4))))) (store .cse71 .cse61 (select (select (store .cse70 |c_~#inode~0.base| .cse71) |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.offset| 8)))))))) (store .cse68 |c_~#m_inode~0.base| (let ((.cse69 (store (select .cse68 |c_~#m_inode~0.base|) .cse49 (select (select .cse68 |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.offset| 1))))) (store .cse69 .cse24 (select (select (store .cse68 |c_~#m_inode~0.base| .cse69) |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.base|) (+ 2 |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.offset|)))))))) (store .cse66 |c_~#m_busy~0.base| (let ((.cse67 (store (select .cse66 |c_~#m_busy~0.base|) .cse50 (select (select .cse66 |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.offset| 1))))) (store .cse67 .cse60 (select (select (store .cse66 |c_~#m_busy~0.base| .cse67) |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.base|) (+ 2 |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.offset|)))))))) (store .cse65 |c_~#__CS_thread_born_round~0.base| (store (select .cse65 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse64 |c_~#__CS_thread_status~0.base| (store (select .cse64 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse63 |c_~#__CS_thread_allocated~0.base| (store (select .cse63 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1))) |c_#memory_int|) (= (store |v_#memory_int_147| |c_~#__CS_thread_lockedon~0.base| (store .cse75 .cse36 (select .cse76 .cse36))) |v_#memory_int_146|) (= (store |v_#memory_int_149| |c_~#__CS_thread_lockedon~0.base| (store .cse77 .cse42 (select .cse78 .cse42))) |v_#memory_int_148|) (= (let ((.cse79 (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| (let ((.cse81 (let ((.cse82 (let ((.cse83 (let ((.cse84 (let ((.cse85 (store (select |v_#memory_int_190| |c_~#__CS_thread_status~0.base|) .cse62 (select (select |v_#memory_int_190| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 3))))) (store .cse85 .cse57 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse85) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 6)))))) (store .cse84 .cse28 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse84) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 4)))))) (store .cse83 .cse59 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse83) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ 7 |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|)))))) (store .cse82 .cse55 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse82) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 5)))))) (store .cse81 .cse53 (select (select (store |v_#memory_int_190| |c_~#__CS_thread_status~0.base| .cse81) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (+ |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 8))))))) (store .cse79 |c_~#__CS_thread_lockedon~0.base| (store (select .cse79 |c_~#__CS_thread_lockedon~0.base|) .cse47 (select .cse80 .cse47)))) |v_#memory_int_150|) (= (store |v_#memory_int_150| |c_~#__CS_thread_lockedon~0.base| (store .cse80 .cse45 (select .cse77 .cse45))) |v_#memory_int_149|) (= (store |v_#memory_int_148| |c_~#__CS_thread_lockedon~0.base| (store .cse78 .cse39 (select .cse75 .cse39))) |v_#memory_int_147|) (= (store |v_#memory_int_146| |c_~#__CS_thread_lockedon~0.base| (store .cse76 .cse33 (select (select |v_#memory_int_151| |c_~#__CS_thread_lockedon~0.base|) .cse33))) |v_#memory_int_151|)))) (or .cse0 (and (= 7 |c_~#block~0.base|) (= |c_~#m_busy~0.offset| 0) (= |c_ULTIMATE.start_main_~#__CS_cp_m_inode~0#1.offset| 0) (= 2 c_~__THREAD_FINISHED~0) (= |c_~#__CS_thread_born_round~0.offset| 0) (= c_~__CS_ret_FINISHED~0 4) (= |c_~#block~0.offset| 0) (= 5 |c_~#__CS_thread_status~0.base|) (= 6 |c_~#__CS_thread_lockedon~0.base|) (= |c_~#inode~0.base| 9) (= 2 c_~__CS_ret_ERROR~0) (= c_~__CS_ret~0 0) (= |c_ULTIMATE.start_main_~#__CS_cp_busy~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_~#__CS_thread_born_round~0.base| 4) (= |c_ULTIMATE.start_main_~#__CS_cp_inode~0#1.offset| 0) (= |c_ULTIMATE.start_main_~#__CS_cp_block~0#1.offset| 0) (= 3 |c_~#__CS_thread_allocated~0.base|) (= |c_~#busy~0.offset| 0) (= |c_~#m_inode~0.offset| 0) (= c_~__CS_error~0 0) (= c_~__THREAD_UNUSED~0 0) (= |c_~#inode~0.offset| 0) (= |c_ULTIMATE.start_main_~#__CS_cp_m_busy~0#1.offset| 0) (= 1 c_~__THREAD_RUNNING~0) (= |c_~#__CS_thread_status~0.offset| 0) (= |c_~#busy~0.base| 8) (= |c_~#m_inode~0.base| 10) (= |c_~#m_busy~0.base| 11) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) .cse86 .cse87 (= |c_~#__CS_thread_allocated~0.offset| 0) (= c_~__CS_ret_PREEMPTED~0 1) (= |c_~#__CS_thread_lockedon~0.offset| 0) (= |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0))) (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_ULTIMATE.start_main_#t~mem76#1|) (exists ((v_~__CS_thread~0.offset_40 (Array Int Int))) (= (store v_~__CS_thread~0.offset_40 0 |#funAddr~main_thread.offset|) c_~__CS_thread~0.offset)) (exists ((|v_#memory_$Pointer$.base_163| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_284| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_162| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_161| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_160| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_171| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_170| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_159| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_158| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_169| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_168| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_167| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_166| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_165| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_164| (Array Int (Array Int Int)))) (let ((.cse90 (select |v_#memory_$Pointer$.base_167| |c_~#block~0.base|)) (.cse88 (select |v_#memory_$Pointer$.base_159| |c_~#busy~0.base|)) (.cse98 (select |v_#memory_$Pointer$.base_170| |c_~#__CS_thread_status~0.base|)) (.cse96 (select |v_#memory_$Pointer$.base_158| |c_~#m_inode~0.base|)) (.cse101 (select |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_status~0.base|)) (.cse97 (select |v_#memory_$Pointer$.base_171| |c_~#__CS_thread_status~0.base|)) (.cse99 (select |v_#memory_$Pointer$.base_160| |c_~#m_busy~0.base|)) (.cse102 (select |v_#memory_$Pointer$.base_162| |c_~#__CS_thread_status~0.base|)) (.cse100 (select |v_#memory_$Pointer$.base_165| |c_~#__CS_thread_status~0.base|)) (.cse103 (select |v_#memory_$Pointer$.base_154| |c_~#inode~0.base|))) (and (= (store |v_#memory_$Pointer$.base_166| |c_~#busy~0.base| (store (select |v_#memory_$Pointer$.base_166| |c_~#busy~0.base|) .cse58 (select .cse88 .cse58))) |v_#memory_$Pointer$.base_159|) (= (let ((.cse89 (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| (let ((.cse91 (let ((.cse92 (let ((.cse93 (let ((.cse94 (let ((.cse95 (store (select |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base|) .cse47 (select (select |v_#memory_$Pointer$.base_169| |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse48)))) (store .cse95 .cse45 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse95) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse46))))) (store .cse94 .cse42 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse94) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse43))))) (store .cse93 .cse39 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse93) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse40))))) (store .cse92 .cse36 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse92) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse37))))) (store .cse91 .cse33 (select (select (store |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_lockedon~0.base| .cse91) |c_ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) .cse34)))))) (store .cse89 |c_~#block~0.base| (store (select .cse89 |c_~#block~0.base|) .cse31 (select .cse90 .cse31)))) |v_#memory_$Pointer$.base_167|) (= (store |v_#memory_$Pointer$.base_168| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_168| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_163| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.base_163|) (= |v_#memory_$Pointer$.base_166| (store |v_#memory_$Pointer$.base_167| |c_~#block~0.base| (store .cse90 .cse22 (select (select |v_#memory_$Pointer$.base_166| |c_~#block~0.base|) .cse22)))) (= (store |v_#memory_$Pointer$.base_157| |c_~#m_inode~0.base| (store (select |v_#memory_$Pointer$.base_157| |c_~#m_inode~0.base|) .cse49 (select .cse96 .cse49))) |v_#memory_$Pointer$.base_158|) (= (store |v_#memory_$Pointer$.base_171| |c_~#__CS_thread_status~0.base| (store .cse97 .cse28 (select .cse98 .cse28))) |v_#memory_$Pointer$.base_170|) (= (store |v_#memory_$Pointer$.base_155| |c_~#m_busy~0.base| (store (select |v_#memory_$Pointer$.base_155| |c_~#m_busy~0.base|) .cse50 (select .cse99 .cse50))) |v_#memory_$Pointer$.base_160|) (= (store |v_#memory_$Pointer$.base_164| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_164| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.base|) (= (store |v_#memory_$Pointer$.base_165| |c_~#__CS_thread_status~0.base| (store .cse100 .cse53 (select (select |v_#memory_$Pointer$.base_169| |c_~#__CS_thread_status~0.base|) .cse53))) |v_#memory_$Pointer$.base_169|) (= (store |v_#memory_$Pointer$.base_163| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_163| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_164| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.base_164|) (= |v_#memory_$Pointer$.base_156| (store |v_#memory_$Pointer$.base_284| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_284| |c_~#__CS_thread_status~0.base|) .cse62 (select .cse101 .cse62)))) (= (store |v_#memory_$Pointer$.base_159| |c_~#busy~0.base| (store .cse88 .cse26 (select (select |v_#memory_$Pointer$.base_161| |c_~#busy~0.base|) .cse26))) |v_#memory_$Pointer$.base_161|) (= (store |v_#memory_$Pointer$.base_170| |c_~#__CS_thread_status~0.base| (store .cse98 .cse59 (select .cse102 .cse59))) |v_#memory_$Pointer$.base_162|) (= (store |v_#memory_$Pointer$.base_158| |c_~#m_inode~0.base| (store .cse96 .cse24 (select (select |v_#memory_$Pointer$.base_155| |c_~#m_inode~0.base|) .cse24))) |v_#memory_$Pointer$.base_155|) (= (store |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_status~0.base| (store .cse101 .cse57 (select .cse97 .cse57))) |v_#memory_$Pointer$.base_171|) (= (store |v_#memory_$Pointer$.base_160| |c_~#m_busy~0.base| (store .cse99 .cse60 (select (select |v_#memory_$Pointer$.base_168| |c_~#m_busy~0.base|) .cse60))) |v_#memory_$Pointer$.base_168|) (= (store |v_#memory_$Pointer$.base_154| |c_~#inode~0.base| (store .cse103 .cse61 (select (select |v_#memory_$Pointer$.base_157| |c_~#inode~0.base|) .cse61))) |v_#memory_$Pointer$.base_157|) (= (store |v_#memory_$Pointer$.base_162| |c_~#__CS_thread_status~0.base| (store .cse102 .cse55 (select .cse100 .cse55))) |v_#memory_$Pointer$.base_165|) (= (store |v_#memory_$Pointer$.base_161| |c_~#inode~0.base| (store (select |v_#memory_$Pointer$.base_161| |c_~#inode~0.base|) .cse19 (select .cse103 .cse19))) |v_#memory_$Pointer$.base_154|)))) .cse86 .cse87)) is different from false [2023-11-23 20:32:05,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:05,590 INFO L93 Difference]: Finished difference Result 238 states and 342 transitions. [2023-11-23 20:32:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:32:05,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 101 [2023-11-23 20:32:05,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:05,593 INFO L225 Difference]: With dead ends: 238 [2023-11-23 20:32:05,594 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 20:32:05,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 298 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=21, Invalid=27, Unknown=2, NotChecked=22, Total=72 [2023-11-23 20:32:05,596 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:05,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 371 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 1 Unknown, 57 Unchecked, 3.0s Time] [2023-11-23 20:32:05,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 20:32:05,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 20:32:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 70 states have internal predecessors, (86), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-11-23 20:32:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 176 transitions. [2023-11-23 20:32:05,620 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 176 transitions. Word has length 101 [2023-11-23 20:32:05,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:05,620 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 176 transitions. [2023-11-23 20:32:05,621 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 20:32:05,621 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 176 transitions. [2023-11-23 20:32:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 20:32:05,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:05,624 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:05,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:05,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:05,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:05,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1845129373, now seen corresponding path program 1 times [2023-11-23 20:32:05,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:05,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888750311] [2023-11-23 20:32:05,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-23 20:32:06,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:06,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888750311] [2023-11-23 20:32:06,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888750311] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:32:06,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720886006] [2023-11-23 20:32:06,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:06,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:06,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:32:06,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6431800-f10d-4213-8169-31e3eab12566/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 20:32:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:06,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:32:06,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-23 20:32:07,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-23 20:32:07,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720886006] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:32:07,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1238783271] [2023-11-23 20:32:07,117 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2023-11-23 20:32:07,117 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 20:32:07,118 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 20:32:07,118 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 20:32:07,119 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs