./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh --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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:08:37,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:08:37,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:08:37,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:08:37,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:08:37,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:08:37,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:08:37,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:08:37,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:08:37,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:08:37,509 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:08:37,510 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:08:37,510 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:08:37,511 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:08:37,511 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:08:37,511 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:08:37,512 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:08:37,512 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:08:37,513 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:08:37,513 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:08:37,514 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:08:37,515 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:08:37,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:08:37,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:08:37,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:08:37,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:08:37,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:08:37,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:08:37,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:08:37,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:08:37,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:08:37,519 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:08:37,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:08:37,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:08:37,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:08:37,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:08:37,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:08:37,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:08:37,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:08:37,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:08:37,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:08:37,522 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:08:37,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:08:37,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:08:37,522 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:08:37,523 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:08:37,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:08:37,523 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_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2023-12-02 18:08:37,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:08:37,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:08:37,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:08:37,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:08:37,770 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:08:37,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2023-12-02 18:08:40,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:08:40,770 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:08:40,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2023-12-02 18:08:40,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/data/02b1084ec/dc6f8418af74418fbd3ca7a0963f324d/FLAG49dcc2d75 [2023-12-02 18:08:40,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/data/02b1084ec/dc6f8418af74418fbd3ca7a0963f324d [2023-12-02 18:08:40,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:08:40,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:08:40,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:08:40,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:08:40,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:08:40,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:40" (1/1) ... [2023-12-02 18:08:40,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53449bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:40, skipping insertion in model container [2023-12-02 18:08:40,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:08:40" (1/1) ... [2023-12-02 18:08:40,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:08:41,170 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_f4f4d1e3-f577-4cd4-9782-ff945e326a65/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i[33519,33532] [2023-12-02 18:08:41,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:08:41,249 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:08:41,278 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_f4f4d1e3-f577-4cd4-9782-ff945e326a65/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i[33519,33532] [2023-12-02 18:08:41,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:08:41,350 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:08:41,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41 WrapperNode [2023-12-02 18:08:41,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:08:41,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:08:41,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:08:41,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:08:41,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,436 INFO L138 Inliner]: procedures = 177, calls = 176, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 751 [2023-12-02 18:08:41,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:08:41,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:08:41,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:08:41,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:08:41,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:08:41,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:08:41,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:08:41,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:08:41,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (1/1) ... [2023-12-02 18:08:41,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:08:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:08:41,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:08:41,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:08:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:08:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:08:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 18:08:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 18:08:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 18:08:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:08:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 18:08:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 18:08:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 18:08:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:08:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:08:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:08:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:08:41,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:08:41,750 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:08:42,620 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:08:43,345 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:08:43,346 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-02 18:08:43,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:43 BoogieIcfgContainer [2023-12-02 18:08:43,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:08:43,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:08:43,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:08:43,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:08:43,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:08:40" (1/3) ... [2023-12-02 18:08:43,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b820ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:43, skipping insertion in model container [2023-12-02 18:08:43,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:08:41" (2/3) ... [2023-12-02 18:08:43,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b820ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:08:43, skipping insertion in model container [2023-12-02 18:08:43,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:08:43" (3/3) ... [2023-12-02 18:08:43,356 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-1.i [2023-12-02 18:08:43,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:08:43,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:08:43,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:08:43,431 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;@aed8c29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:08:43,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:08:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 56 states have (on average 1.7142857142857142) internal successors, (96), 57 states have internal predecessors, (96), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 18:08:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 18:08:43,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:43,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 18:08:43,442 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:43,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:43,448 INFO L85 PathProgramCache]: Analyzing trace with hash 762153636, now seen corresponding path program 1 times [2023-12-02 18:08:43,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:43,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311529930] [2023-12-02 18:08:43,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:43,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:43,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311529930] [2023-12-02 18:08:43,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311529930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:08:43,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:08:43,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:08:43,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001978985] [2023-12-02 18:08:43,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:08:43,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:08:43,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:43,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:08:43,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:08:43,665 INFO L87 Difference]: Start difference. First operand has 62 states, 56 states have (on average 1.7142857142857142) internal successors, (96), 57 states have internal predecessors, (96), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:08:45,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:08:47,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:08:49,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:08:51,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:08:53,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:08:55,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:08:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:08:57,057 INFO L93 Difference]: Finished difference Result 175 states and 294 transitions. [2023-12-02 18:08:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:08:57,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-02 18:08:57,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:08:57,069 INFO L225 Difference]: With dead ends: 175 [2023-12-02 18:08:57,069 INFO L226 Difference]: Without dead ends: 112 [2023-12-02 18:08:57,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:08:57,073 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 53 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:08:57,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 114 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 6 Unknown, 0 Unchecked, 13.3s Time] [2023-12-02 18:08:57,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-02 18:08:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 61. [2023-12-02 18:08:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 18:08:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2023-12-02 18:08:57,109 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 5 [2023-12-02 18:08:57,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:08:57,109 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2023-12-02 18:08:57,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:08:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2023-12-02 18:08:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 18:08:57,112 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:08:57,112 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 18:08:57,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:08:57,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:08:57,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:08:57,113 INFO L85 PathProgramCache]: Analyzing trace with hash 795660270, now seen corresponding path program 1 times [2023-12-02 18:08:57,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:08:57,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030505972] [2023-12-02 18:08:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:08:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:08:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:08:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:08:57,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:08:57,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030505972] [2023-12-02 18:08:57,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030505972] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:08:57,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:08:57,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:08:57,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759134709] [2023-12-02 18:08:57,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:08:57,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:08:57,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:08:57,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:08:57,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:08:57,462 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:08:59,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:01,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:03,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:05,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:07,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:09,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:09:10,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:09:10,168 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2023-12-02 18:09:10,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:09:10,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-12-02 18:09:10,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:09:10,173 INFO L225 Difference]: With dead ends: 134 [2023-12-02 18:09:10,173 INFO L226 Difference]: Without dead ends: 75 [2023-12-02 18:09:10,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:09:10,174 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:09:10,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 92 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 12.7s Time] [2023-12-02 18:09:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-12-02 18:09:10,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-12-02 18:09:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 70 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 18:09:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2023-12-02 18:09:10,183 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 32 [2023-12-02 18:09:10,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:09:10,183 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2023-12-02 18:09:10,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:09:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2023-12-02 18:09:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 18:09:10,185 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:09:10,186 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2023-12-02 18:09:10,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:09:10,186 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:09:10,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:09:10,187 INFO L85 PathProgramCache]: Analyzing trace with hash 440600343, now seen corresponding path program 1 times [2023-12-02 18:09:10,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:09:10,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953001696] [2023-12-02 18:09:10,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:09:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:09:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:09:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 18:09:10,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:09:10,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953001696] [2023-12-02 18:09:10,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953001696] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:09:10,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312021578] [2023-12-02 18:09:10,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:09:10,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:09:10,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:09:10,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:09:10,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:09:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:09:10,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:09:10,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:09:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 18:09:10,881 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:09:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 18:09:10,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312021578] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:09:10,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [819957711] [2023-12-02 18:09:10,985 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-12-02 18:09:10,985 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:09:10,989 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:09:10,994 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:09:10,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:09:16,734 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 119 for LOIs [2023-12-02 18:09:16,769 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:09:26,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [819957711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:09:26,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:09:26,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 19 [2023-12-02 18:09:26,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662062182] [2023-12-02 18:09:26,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:09:26,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 18:09:26,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:09:26,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 18:09:26,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=229, Unknown=5, NotChecked=0, Total=342 [2023-12-02 18:09:26,189 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand has 14 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:09:28,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:30,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:32,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:34,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:36,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:38,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:40,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:42,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:44,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:46,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:48,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:50,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:52,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:56,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:09:59,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:01,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:03,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:05,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:07,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:09,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:11,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:13,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:15,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:17,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:19,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:21,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:24,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:26,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:28,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:30,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:32,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:34,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:36,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:38,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:40,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:42,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:44,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 18:10:46,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:48,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:50,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 18:10:52,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 18:10:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:10:53,138 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2023-12-02 18:10:53,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 18:10:53,142 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-12-02 18:10:53,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:10:53,143 INFO L225 Difference]: With dead ends: 153 [2023-12-02 18:10:53,143 INFO L226 Difference]: Without dead ends: 83 [2023-12-02 18:10:53,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=120, Invalid=255, Unknown=5, NotChecked=0, Total=380 [2023-12-02 18:10:53,145 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 9 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 2 mSolverCounterUnsat, 45 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 45 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:10:53,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 222 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 45 Unknown, 0 Unchecked, 86.7s Time] [2023-12-02 18:10:53,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-02 18:10:53,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2023-12-02 18:10:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 71 states have (on average 1.1126760563380282) internal successors, (79), 71 states have internal predecessors, (79), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 18:10:53,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2023-12-02 18:10:53,157 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 45 [2023-12-02 18:10:53,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:10:53,157 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2023-12-02 18:10:53,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:10:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2023-12-02 18:10:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 18:10:53,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:10:53,159 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2023-12-02 18:10:53,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:10:53,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:10:53,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:10:53,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:10:53,360 INFO L85 PathProgramCache]: Analyzing trace with hash 445263443, now seen corresponding path program 1 times [2023-12-02 18:10:53,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:10:53,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121245729] [2023-12-02 18:10:53,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:10:53,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:10:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:10:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 18:10:53,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:10:53,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121245729] [2023-12-02 18:10:53,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121245729] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:10:53,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361760695] [2023-12-02 18:10:53,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:10:53,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:10:53,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:10:53,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:10:53,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 18:10:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:10:53,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:10:53,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:10:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 18:10:54,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:10:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 18:10:54,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361760695] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:10:54,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [624117834] [2023-12-02 18:10:54,095 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-12-02 18:10:54,095 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:10:54,096 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:10:54,096 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:10:54,096 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:11:14,446 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 302 for LOIs [2023-12-02 18:11:19,530 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:13:14,498 WARN L293 SmtUtils]: Spent 1.81m on a formula simplification. DAG size of input: 312 DAG size of output: 309 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:14:48,168 WARN L293 SmtUtils]: Spent 1.48m on a formula simplification. DAG size of input: 326 DAG size of output: 323 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:17:44,677 WARN L293 SmtUtils]: Spent 2.85m on a formula simplification. DAG size of input: 346 DAG size of output: 340 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:18:57,968 WARN L293 SmtUtils]: Spent 16.37s on a formula simplification. DAG size of input: 302 DAG size of output: 288 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:20:26,284 WARN L293 SmtUtils]: Spent 15.72s on a formula simplification that was a NOOP. DAG size: 242 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:20:28,303 WARN L854 $PredicateComparison]: unable to prove that (and (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15|))) (exists ((|v_#memory_$Pointer$.offset_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_349| (Array Int (Array Int Int))) (|v_#valid_56| (Array Int Int)) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_302| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (Array Int (Array Int Int)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (select (select |v_#memory_$Pointer$.base_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 16 (select (select |v_#memory_$Pointer$.offset_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_302| .cse12 (store (select |v_#memory_$Pointer$.offset_302| .cse12) .cse13 8))) (.cse4 (store |v_#memory_$Pointer$.base_302| .cse12 (store (select |v_#memory_$Pointer$.base_302| .cse12) .cse13 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse7 (store |v_#memory_$Pointer$.offset_85| .cse16 (store (select |v_#memory_$Pointer$.offset_85| .cse16) .cse17 0))) (.cse14 (store |v_#memory_$Pointer$.base_87| .cse16 (store (select |v_#memory_$Pointer$.base_87| .cse16) .cse17 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse8 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ 40 (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse2 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse5 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse0) .cse1) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse0) .cse1) 0)))) (= (store |v_#memory_$Pointer$.offset_87| .cse2 (store (select |v_#memory_$Pointer$.offset_87| .cse2) .cse3 (select (select |v_#memory_$Pointer$.offset_85| .cse2) .cse3))) |v_#memory_$Pointer$.offset_85|) (= |c_#valid| (store |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= (store .cse4 .cse5 (store (select .cse4 .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_85| .cse5) .cse6))) |v_#memory_$Pointer$.base_85|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse8) .cse9)))) (= (store |v_#memory_$Pointer$.base_86| .cse2 (store (select |v_#memory_$Pointer$.base_86| .cse2) .cse3 (select (select |v_#memory_$Pointer$.base_87| .cse2) .cse3))) |v_#memory_$Pointer$.base_87|) (= (store |v_#memory_$Pointer$.base_85| .cse10 (store (select |v_#memory_$Pointer$.base_85| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_86| .cse10) .cse11))) |v_#memory_$Pointer$.base_86|) (= (store |v_#memory_int_349| .cse12 (store (select |v_#memory_int_349| .cse12) .cse13 (select (select |v_#memory_int_97| .cse12) .cse13))) |v_#memory_int_97|) (= |v_#memory_$Pointer$.base_BEFORE_CALL_31| (store .cse14 .cse8 (store (select .cse14 .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse8) .cse9)))) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (select |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= (let ((.cse15 (let ((.cse18 (let ((.cse19 (store |v_#memory_int_97| .cse5 (store (select |v_#memory_int_97| .cse5) .cse6 32)))) (store .cse19 .cse10 (store (select .cse19 .cse10) .cse11 5))))) (store .cse18 .cse2 (store (select .cse18 .cse2) .cse3 8))))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 (select (select |v_#memory_int_96| .cse16) .cse17)))) |v_#memory_int_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse10 (store (select |v_#memory_$Pointer$.offset_86| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_87| .cse10) .cse11)))) (= |v_#memory_$Pointer$.offset_86| (store .cse20 .cse5 (store (select .cse20 .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_86| .cse5) .cse6)))))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_349| (Array Int (Array Int Int))) (|v_#valid_56| (Array Int Int)) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_33| (Array Int (Array Int Int)))) (let ((.cse37 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (select (select |v_#memory_$Pointer$.base_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ 16 (select (select |v_#memory_$Pointer$.offset_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_302| .cse33 (store (select |v_#memory_$Pointer$.offset_302| .cse33) .cse34 8))) (.cse28 (store |v_#memory_$Pointer$.base_302| .cse33 (store (select |v_#memory_$Pointer$.base_302| .cse33) .cse34 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse23 (store |v_#memory_$Pointer$.offset_85| .cse37 (store (select |v_#memory_$Pointer$.offset_85| .cse37) .cse38 0))) (.cse35 (store |v_#memory_$Pointer$.base_87| .cse37 (store (select |v_#memory_$Pointer$.base_87| .cse37) .cse38 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse24 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse26 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse31 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse29 (select (select .cse28 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (let ((.cse21 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse21) .cse22) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse21) .cse22) 0)))) (= (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse24) .cse25))) |v_#memory_$Pointer$.offset_BEFORE_CALL_33|) (= (store |v_#memory_$Pointer$.offset_87| .cse26 (store (select |v_#memory_$Pointer$.offset_87| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_85| .cse26) .cse27))) |v_#memory_$Pointer$.offset_85|) (= |c_#valid| (store |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_#memory_$Pointer$.base_85| .cse29) .cse30))) |v_#memory_$Pointer$.base_85|) (= (store |v_#memory_$Pointer$.base_86| .cse26 (store (select |v_#memory_$Pointer$.base_86| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_87| .cse26) .cse27))) |v_#memory_$Pointer$.base_87|) (= (store |v_#memory_$Pointer$.base_85| .cse31 (store (select |v_#memory_$Pointer$.base_85| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_86| .cse31) .cse32))) |v_#memory_$Pointer$.base_86|) (= (store |v_#memory_int_349| .cse33 (store (select |v_#memory_int_349| .cse33) .cse34 (select (select |v_#memory_int_97| .cse33) .cse34))) |v_#memory_int_97|) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (select |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (store .cse35 .cse24 (store (select .cse35 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse24) .cse25)))) (= (let ((.cse36 (let ((.cse39 (let ((.cse40 (store |v_#memory_int_97| .cse29 (store (select |v_#memory_int_97| .cse29) .cse30 32)))) (store .cse40 .cse31 (store (select .cse40 .cse31) .cse32 5))))) (store .cse39 .cse26 (store (select .cse39 .cse26) .cse27 8))))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_#memory_int_96| .cse37) .cse38)))) |v_#memory_int_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse31 (store (select |v_#memory_$Pointer$.offset_86| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_87| .cse31) .cse32)))) (= |v_#memory_$Pointer$.offset_86| (store .cse41 .cse29 (store (select .cse41 .cse29) .cse30 (select (select |v_#memory_$Pointer$.offset_86| .cse29) .cse30))))))))))) (<= |c_ULTIMATE.start_main_~i~0#1| 9) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 18:20:30,326 WARN L854 $PredicateComparison]: unable to prove that (and (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15|))) (exists ((|v_#memory_$Pointer$.offset_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_349| (Array Int (Array Int Int))) (|v_#valid_56| (Array Int Int)) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_302| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (Array Int (Array Int Int)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (select (select |v_#memory_$Pointer$.base_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 16 (select (select |v_#memory_$Pointer$.offset_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_302| .cse12 (store (select |v_#memory_$Pointer$.offset_302| .cse12) .cse13 8))) (.cse4 (store |v_#memory_$Pointer$.base_302| .cse12 (store (select |v_#memory_$Pointer$.base_302| .cse12) .cse13 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse7 (store |v_#memory_$Pointer$.offset_85| .cse16 (store (select |v_#memory_$Pointer$.offset_85| .cse16) .cse17 0))) (.cse14 (store |v_#memory_$Pointer$.base_87| .cse16 (store (select |v_#memory_$Pointer$.base_87| .cse16) .cse17 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse8 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ 40 (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse2 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse5 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse0) .cse1) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse0) .cse1) 0)))) (= (store |v_#memory_$Pointer$.offset_87| .cse2 (store (select |v_#memory_$Pointer$.offset_87| .cse2) .cse3 (select (select |v_#memory_$Pointer$.offset_85| .cse2) .cse3))) |v_#memory_$Pointer$.offset_85|) (= |c_#valid| (store |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= (store .cse4 .cse5 (store (select .cse4 .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_85| .cse5) .cse6))) |v_#memory_$Pointer$.base_85|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse8) .cse9)))) (= (store |v_#memory_$Pointer$.base_86| .cse2 (store (select |v_#memory_$Pointer$.base_86| .cse2) .cse3 (select (select |v_#memory_$Pointer$.base_87| .cse2) .cse3))) |v_#memory_$Pointer$.base_87|) (= (store |v_#memory_$Pointer$.base_85| .cse10 (store (select |v_#memory_$Pointer$.base_85| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_86| .cse10) .cse11))) |v_#memory_$Pointer$.base_86|) (= (store |v_#memory_int_349| .cse12 (store (select |v_#memory_int_349| .cse12) .cse13 (select (select |v_#memory_int_97| .cse12) .cse13))) |v_#memory_int_97|) (= |v_#memory_$Pointer$.base_BEFORE_CALL_31| (store .cse14 .cse8 (store (select .cse14 .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse8) .cse9)))) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (select |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= (let ((.cse15 (let ((.cse18 (let ((.cse19 (store |v_#memory_int_97| .cse5 (store (select |v_#memory_int_97| .cse5) .cse6 32)))) (store .cse19 .cse10 (store (select .cse19 .cse10) .cse11 5))))) (store .cse18 .cse2 (store (select .cse18 .cse2) .cse3 8))))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 (select (select |v_#memory_int_96| .cse16) .cse17)))) |v_#memory_int_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse10 (store (select |v_#memory_$Pointer$.offset_86| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_87| .cse10) .cse11)))) (= |v_#memory_$Pointer$.offset_86| (store .cse20 .cse5 (store (select .cse20 .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_86| .cse5) .cse6)))))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_349| (Array Int (Array Int Int))) (|v_#valid_56| (Array Int Int)) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_33| (Array Int (Array Int Int)))) (let ((.cse37 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (select (select |v_#memory_$Pointer$.base_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ 16 (select (select |v_#memory_$Pointer$.offset_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_302| .cse33 (store (select |v_#memory_$Pointer$.offset_302| .cse33) .cse34 8))) (.cse28 (store |v_#memory_$Pointer$.base_302| .cse33 (store (select |v_#memory_$Pointer$.base_302| .cse33) .cse34 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse23 (store |v_#memory_$Pointer$.offset_85| .cse37 (store (select |v_#memory_$Pointer$.offset_85| .cse37) .cse38 0))) (.cse35 (store |v_#memory_$Pointer$.base_87| .cse37 (store (select |v_#memory_$Pointer$.base_87| .cse37) .cse38 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse24 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse26 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse31 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse29 (select (select .cse28 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (let ((.cse21 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse21) .cse22) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse21) .cse22) 0)))) (= (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse24) .cse25))) |v_#memory_$Pointer$.offset_BEFORE_CALL_33|) (= (store |v_#memory_$Pointer$.offset_87| .cse26 (store (select |v_#memory_$Pointer$.offset_87| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_85| .cse26) .cse27))) |v_#memory_$Pointer$.offset_85|) (= |c_#valid| (store |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_#memory_$Pointer$.base_85| .cse29) .cse30))) |v_#memory_$Pointer$.base_85|) (= (store |v_#memory_$Pointer$.base_86| .cse26 (store (select |v_#memory_$Pointer$.base_86| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_87| .cse26) .cse27))) |v_#memory_$Pointer$.base_87|) (= (store |v_#memory_$Pointer$.base_85| .cse31 (store (select |v_#memory_$Pointer$.base_85| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_86| .cse31) .cse32))) |v_#memory_$Pointer$.base_86|) (= (store |v_#memory_int_349| .cse33 (store (select |v_#memory_int_349| .cse33) .cse34 (select (select |v_#memory_int_97| .cse33) .cse34))) |v_#memory_int_97|) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (select |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (store .cse35 .cse24 (store (select .cse35 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse24) .cse25)))) (= (let ((.cse36 (let ((.cse39 (let ((.cse40 (store |v_#memory_int_97| .cse29 (store (select |v_#memory_int_97| .cse29) .cse30 32)))) (store .cse40 .cse31 (store (select .cse40 .cse31) .cse32 5))))) (store .cse39 .cse26 (store (select .cse39 .cse26) .cse27 8))))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_#memory_int_96| .cse37) .cse38)))) |v_#memory_int_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse31 (store (select |v_#memory_$Pointer$.offset_86| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_87| .cse31) .cse32)))) (= |v_#memory_$Pointer$.offset_86| (store .cse41 .cse29 (store (select .cse41 .cse29) .cse30 (select (select |v_#memory_$Pointer$.offset_86| .cse29) .cse30))))))))))) (<= |c_ULTIMATE.start_main_~i~0#1| 9) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 18:20:32,350 WARN L854 $PredicateComparison]: unable to prove that (and (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_15|))) (exists ((|v_#memory_$Pointer$.offset_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_349| (Array Int (Array Int Int))) (|v_#valid_56| (Array Int Int)) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_302| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (Array Int (Array Int Int)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (select (select |v_#memory_$Pointer$.base_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 16 (select (select |v_#memory_$Pointer$.offset_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_302| .cse12 (store (select |v_#memory_$Pointer$.offset_302| .cse12) .cse13 8))) (.cse4 (store |v_#memory_$Pointer$.base_302| .cse12 (store (select |v_#memory_$Pointer$.base_302| .cse12) .cse13 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse7 (store |v_#memory_$Pointer$.offset_85| .cse16 (store (select |v_#memory_$Pointer$.offset_85| .cse16) .cse17 0))) (.cse14 (store |v_#memory_$Pointer$.base_87| .cse16 (store (select |v_#memory_$Pointer$.base_87| .cse16) .cse17 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse8 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ 40 (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse2 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse5 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse0) .cse1) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse0) .cse1) 0)))) (= (store |v_#memory_$Pointer$.offset_87| .cse2 (store (select |v_#memory_$Pointer$.offset_87| .cse2) .cse3 (select (select |v_#memory_$Pointer$.offset_85| .cse2) .cse3))) |v_#memory_$Pointer$.offset_85|) (= |c_#valid| (store |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= (store .cse4 .cse5 (store (select .cse4 .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_85| .cse5) .cse6))) |v_#memory_$Pointer$.base_85|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse8) .cse9)))) (= (store |v_#memory_$Pointer$.base_86| .cse2 (store (select |v_#memory_$Pointer$.base_86| .cse2) .cse3 (select (select |v_#memory_$Pointer$.base_87| .cse2) .cse3))) |v_#memory_$Pointer$.base_87|) (= (store |v_#memory_$Pointer$.base_85| .cse10 (store (select |v_#memory_$Pointer$.base_85| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_86| .cse10) .cse11))) |v_#memory_$Pointer$.base_86|) (= (store |v_#memory_int_349| .cse12 (store (select |v_#memory_int_349| .cse12) .cse13 (select (select |v_#memory_int_97| .cse12) .cse13))) |v_#memory_int_97|) (= |v_#memory_$Pointer$.base_BEFORE_CALL_31| (store .cse14 .cse8 (store (select .cse14 .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse8) .cse9)))) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (select |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= (let ((.cse15 (let ((.cse18 (let ((.cse19 (store |v_#memory_int_97| .cse5 (store (select |v_#memory_int_97| .cse5) .cse6 32)))) (store .cse19 .cse10 (store (select .cse19 .cse10) .cse11 5))))) (store .cse18 .cse2 (store (select .cse18 .cse2) .cse3 8))))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 (select (select |v_#memory_int_96| .cse16) .cse17)))) |v_#memory_int_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse10 (store (select |v_#memory_$Pointer$.offset_86| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_87| .cse10) .cse11)))) (= |v_#memory_$Pointer$.offset_86| (store .cse20 .cse5 (store (select .cse20 .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_86| .cse5) .cse6)))))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_16| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_349| (Array Int (Array Int Int))) (|v_#valid_56| (Array Int Int)) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_302| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_33| (Array Int (Array Int Int)))) (let ((.cse37 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (select (select |v_#memory_$Pointer$.base_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ 16 (select (select |v_#memory_$Pointer$.offset_302| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_302| .cse33 (store (select |v_#memory_$Pointer$.offset_302| .cse33) .cse34 8))) (.cse28 (store |v_#memory_$Pointer$.base_302| .cse33 (store (select |v_#memory_$Pointer$.base_302| .cse33) .cse34 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse23 (store |v_#memory_$Pointer$.offset_85| .cse37 (store (select |v_#memory_$Pointer$.offset_85| .cse37) .cse38 0))) (.cse35 (store |v_#memory_$Pointer$.base_87| .cse37 (store (select |v_#memory_$Pointer$.base_87| .cse37) .cse38 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse24 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse26 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse31 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse29 (select (select .cse28 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (let ((.cse21 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse21) .cse22) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse21) .cse22) 0)))) (= (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse24) .cse25))) |v_#memory_$Pointer$.offset_BEFORE_CALL_33|) (= (store |v_#memory_$Pointer$.offset_87| .cse26 (store (select |v_#memory_$Pointer$.offset_87| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_85| .cse26) .cse27))) |v_#memory_$Pointer$.offset_85|) (= |c_#valid| (store |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_#memory_$Pointer$.base_85| .cse29) .cse30))) |v_#memory_$Pointer$.base_85|) (= (store |v_#memory_$Pointer$.base_86| .cse26 (store (select |v_#memory_$Pointer$.base_86| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_87| .cse26) .cse27))) |v_#memory_$Pointer$.base_87|) (= (store |v_#memory_$Pointer$.base_85| .cse31 (store (select |v_#memory_$Pointer$.base_85| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_86| .cse31) .cse32))) |v_#memory_$Pointer$.base_86|) (= (store |v_#memory_int_349| .cse33 (store (select |v_#memory_int_349| .cse33) .cse34 (select (select |v_#memory_int_97| .cse33) .cse34))) |v_#memory_int_97|) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (select |v_#valid_56| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (store .cse35 .cse24 (store (select .cse35 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse24) .cse25)))) (= (let ((.cse36 (let ((.cse39 (let ((.cse40 (store |v_#memory_int_97| .cse29 (store (select |v_#memory_int_97| .cse29) .cse30 32)))) (store .cse40 .cse31 (store (select .cse40 .cse31) .cse32 5))))) (store .cse39 .cse26 (store (select .cse39 .cse26) .cse27 8))))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_#memory_int_96| .cse37) .cse38)))) |v_#memory_int_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse31 (store (select |v_#memory_$Pointer$.offset_86| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_87| .cse31) .cse32)))) (= |v_#memory_$Pointer$.offset_86| (store .cse41 .cse29 (store (select .cse41 .cse29) .cse30 (select (select |v_#memory_$Pointer$.offset_86| .cse29) .cse30))))))))))) (<= |c_ULTIMATE.start_main_~i~0#1| 9) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (exists ((|v_#memory_$Pointer$.offset_303| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_303| (Array Int (Array Int Int))) (|v_#memory_int_350| (Array Int (Array Int Int)))) (let ((.cse42 (select (select |v_#memory_$Pointer$.base_303| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (.cse44 (+ 12 (select (select |v_#memory_$Pointer$.offset_303| |c_ULTIMATE.start_main_~users~0#1.base|) 8)))) (and (= |c_#memory_int| (store |v_#memory_int_350| .cse42 (let ((.cse43 (select |v_#memory_int_350| .cse42))) (store .cse43 .cse44 (+ (select .cse43 .cse44) 1))))) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_303| .cse42 (store (select |v_#memory_$Pointer$.base_303| .cse42) .cse44 (select (select |c_#memory_$Pointer$.base| .cse42) .cse44)))) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_303| .cse42 (store (select |v_#memory_$Pointer$.offset_303| .cse42) .cse44 (select (select |c_#memory_$Pointer$.offset| .cse42) .cse44))))))) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 18:21:53,518 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1579#(and (= |ULTIMATE.start_main_~user~0#1.base| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_~user~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 18:21:53,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:21:53,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:21:53,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-12-02 18:21:53,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763370435] [2023-12-02 18:21:53,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:21:53,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 18:21:53,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:21:53,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 18:21:53,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=725, Unknown=56, NotChecked=174, Total=1056 [2023-12-02 18:21:53,521 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-02 18:21:55,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:57,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:59,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:01,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:03,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:05,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:07,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:09,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:11,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:13,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:15,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:17,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:19,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:21,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:23,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:25,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:27,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:29,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:31,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:33,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:35,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:37,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:39,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:41,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:45,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:22:45,660 INFO L93 Difference]: Finished difference Result 218 states and 252 transitions. [2023-12-02 18:22:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:22:45,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2023-12-02 18:22:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:22:45,662 INFO L225 Difference]: With dead ends: 218 [2023-12-02 18:22:45,663 INFO L226 Difference]: Without dead ends: 214 [2023-12-02 18:22:45,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 634.0s TimeCoverageRelationStatistics Valid=101, Invalid=725, Unknown=56, NotChecked=174, Total=1056 [2023-12-02 18:22:45,664 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 181 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:22:45,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 219 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 23 Unknown, 0 Unchecked, 52.1s Time] [2023-12-02 18:22:45,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-12-02 18:22:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2023-12-02 18:22:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 200 states have (on average 1.105) internal successors, (221), 199 states have internal predecessors, (221), 12 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 18:22:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 245 transitions. [2023-12-02 18:22:45,695 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 245 transitions. Word has length 46 [2023-12-02 18:22:45,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:22:45,696 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 245 transitions. [2023-12-02 18:22:45,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-02 18:22:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 245 transitions. [2023-12-02 18:22:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 18:22:45,703 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:22:45,704 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:22:45,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 18:22:45,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:22:45,904 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:22:45,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:22:45,905 INFO L85 PathProgramCache]: Analyzing trace with hash -473039265, now seen corresponding path program 1 times [2023-12-02 18:22:45,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:22:45,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834369138] [2023-12-02 18:22:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:22:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 4 proven. 45 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-12-02 18:22:46,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:22:46,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834369138] [2023-12-02 18:22:46,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834369138] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:22:46,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046630356] [2023-12-02 18:22:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:46,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:22:46,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:22:46,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:22:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f4d1e3-f577-4cd4-9782-ff945e326a65/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 18:22:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:47,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 18:22:47,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 18:22:47,672 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:22:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 18:22:47,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046630356] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:22:47,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [692941433] [2023-12-02 18:22:47,902 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2023-12-02 18:22:47,902 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:22:47,902 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:22:47,902 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:22:47,902 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:23:15,157 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 301 for LOIs [2023-12-02 18:23:20,364 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:23:27,319 WARN L293 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 220 DAG size of output: 220 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)