./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.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_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/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_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/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_8f986f8b-8229-4f15-aadb-facb14187769/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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:57:45,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:57:45,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:57:45,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:57:45,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:57:45,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:57:45,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:57:45,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:57:45,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:57:45,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:57:45,307 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:57:45,307 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:57:45,308 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:57:45,308 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:57:45,309 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:57:45,309 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:57:45,310 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:57:45,310 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:57:45,311 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:57:45,311 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:57:45,312 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:57:45,313 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:57:45,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:57:45,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:57:45,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:57:45,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:57:45,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:57:45,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:57:45,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:57:45,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:57:45,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:57:45,317 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:57:45,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:57:45,318 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:57:45,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:57:45,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:57:45,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:57:45,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:57:45,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:57:45,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:57:45,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:57:45,320 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:57:45,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:57:45,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:57:45,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:57:45,320 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:57:45,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:57:45,321 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_8f986f8b-8229-4f15-aadb-facb14187769/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2023-12-02 12:57:45,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:57:45,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:57:45,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:57:45,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:57:45,572 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:57:45,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2023-12-02 12:57:48,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:57:48,559 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:57:48,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i [2023-12-02 12:57:48,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/data/30fdba49b/99f195d372f948c8a29474e0c7bde4e7/FLAG94b45adac [2023-12-02 12:57:48,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/data/30fdba49b/99f195d372f948c8a29474e0c7bde4e7 [2023-12-02 12:57:48,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:57:48,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:57:48,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:57:48,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:57:48,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:57:48,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:48" (1/1) ... [2023-12-02 12:57:48,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517540bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:48, skipping insertion in model container [2023-12-02 12:57:48,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:48" (1/1) ... [2023-12-02 12:57:48,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:57:49,028 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_8f986f8b-8229-4f15-aadb-facb14187769/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i[33519,33532] [2023-12-02 12:57:49,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:57:49,117 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:57:49,149 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_8f986f8b-8229-4f15-aadb-facb14187769/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-2.i[33519,33532] [2023-12-02 12:57:49,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:57:49,233 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:57:49,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49 WrapperNode [2023-12-02 12:57:49,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:57:49,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:57:49,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:57:49,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:57:49,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,323 INFO L138 Inliner]: procedures = 177, calls = 227, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 916 [2023-12-02 12:57:49,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:57:49,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:57:49,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:57:49,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:57:49,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:57:49,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:57:49,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:57:49,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:57:49,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2023-12-02 12:57:49,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:57:49,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:57:49,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:57:49,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:57:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:57:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:57:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 12:57:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 12:57:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:57:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:57:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:57:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:57:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:57:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:57:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:57:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:57:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:57:49,667 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:57:49,693 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:57:50,581 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:57:51,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:57:51,529 INFO L309 CfgBuilder]: Removed 40 assume(true) statements. [2023-12-02 12:57:51,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:51 BoogieIcfgContainer [2023-12-02 12:57:51,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:57:51,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:57:51,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:57:51,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:57:51,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:57:48" (1/3) ... [2023-12-02 12:57:51,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e676cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:51, skipping insertion in model container [2023-12-02 12:57:51,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (2/3) ... [2023-12-02 12:57:51,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e676cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:51, skipping insertion in model container [2023-12-02 12:57:51,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:51" (3/3) ... [2023-12-02 12:57:51,540 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test1-2.i [2023-12-02 12:57:51,560 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:57:51,560 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:57:51,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:57:51,617 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;@7f949c87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:57:51,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:57:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 71 states have (on average 1.7183098591549295) internal successors, (122), 72 states have internal predecessors, (122), 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 12:57:51,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 12:57:51,628 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:57:51,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 12:57:51,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:57:51,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:57:51,634 INFO L85 PathProgramCache]: Analyzing trace with hash 900698123, now seen corresponding path program 1 times [2023-12-02 12:57:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:57:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112126149] [2023-12-02 12:57:51,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:57:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:57:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:57:51,810 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 12:57:51,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:57:51,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112126149] [2023-12-02 12:57:51,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112126149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:57:51,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:57:51,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:57:51,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497165037] [2023-12-02 12:57:51,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:57:51,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:57:51,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:57:51,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:57:51,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:57:51,850 INFO L87 Difference]: Start difference. First operand has 77 states, 71 states have (on average 1.7183098591549295) internal successors, (122), 72 states have internal predecessors, (122), 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 12:57:53,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:57:55,920 WARN L539 Checker$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 12:57:58,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:58:00,091 WARN L539 Checker$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 12:58:02,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:58:04,113 WARN L539 Checker$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 12:58:05,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:58:05,479 INFO L93 Difference]: Finished difference Result 205 states and 346 transitions. [2023-12-02 12:58:05,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:58:05,485 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 12:58:05,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:58:05,492 INFO L225 Difference]: With dead ends: 205 [2023-12-02 12:58:05,492 INFO L226 Difference]: Without dead ends: 112 [2023-12-02 12:58:05,495 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 12:58:05,498 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 53 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:58:05,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 136 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 6 Unknown, 0 Unchecked, 13.6s Time] [2023-12-02 12:58:05,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-02 12:58:05,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 61. [2023-12-02 12:58:05,532 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 12:58:05,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2023-12-02 12:58:05,535 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 5 [2023-12-02 12:58:05,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:58:05,535 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2023-12-02 12:58:05,536 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 12:58:05,536 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2023-12-02 12:58:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 12:58:05,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:58:05,538 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 12:58:05,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:58:05,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:58:05,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:58:05,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1690037959, now seen corresponding path program 1 times [2023-12-02 12:58:05,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:58:05,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462242850] [2023-12-02 12:58:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:58:05,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:58:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:58:05,877 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 12:58:05,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:58:05,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462242850] [2023-12-02 12:58:05,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462242850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:58:05,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:58:05,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:58:05,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877607103] [2023-12-02 12:58:05,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:58:05,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:58:05,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:58:05,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:58:05,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:58:05,882 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 12:58:07,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:58:09,921 WARN L539 Checker$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 12:58:12,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:58:14,032 WARN L539 Checker$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 12:58:16,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:58:18,055 WARN L539 Checker$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 12:58:18,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:58:18,844 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2023-12-02 12:58:18,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:58:18,851 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 12:58:18,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:58:18,852 INFO L225 Difference]: With dead ends: 134 [2023-12-02 12:58:18,852 INFO L226 Difference]: Without dead ends: 75 [2023-12-02 12:58:18,852 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 12:58:18,854 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s 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, 12.9s IncrementalHoareTripleChecker+Time [2023-12-02 12:58:18,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 92 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 12.9s Time] [2023-12-02 12:58:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-12-02 12:58:18,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-12-02 12:58:18,863 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 12:58:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2023-12-02 12:58:18,865 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 32 [2023-12-02 12:58:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:58:18,865 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2023-12-02 12:58:18,865 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 12:58:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2023-12-02 12:58:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 12:58:18,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:58:18,867 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 12:58:18,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 12:58:18,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:58:18,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:58:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1382947218, now seen corresponding path program 1 times [2023-12-02 12:58:18,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:58:18,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687322621] [2023-12-02 12:58:18,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:58:18,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:58:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:58:19,207 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 12:58:19,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:58:19,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687322621] [2023-12-02 12:58:19,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687322621] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:58:19,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590357699] [2023-12-02 12:58:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:58:19,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:58:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:58:19,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:58:19,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:58:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:58:19,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:58:19,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:58:19,671 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 12:58:19,671 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:58:19,774 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 12:58:19,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590357699] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:58:19,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [386320511] [2023-12-02 12:58:19,795 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-12-02 12:58:19,795 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:58:19,798 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:58:19,804 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:58:19,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:58:25,514 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 119 for LOIs [2023-12-02 12:58:25,550 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:58:34,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [386320511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:58:34,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 12:58:34,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 18 [2023-12-02 12:58:34,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562293836] [2023-12-02 12:58:34,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:58:34,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 12:58:34,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:58:34,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 12:58:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=209, Unknown=5, NotChecked=0, Total=306 [2023-12-02 12:58:34,862 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 12:58:37,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:58:39,072 WARN L539 Checker$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 12:58:41,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:58:43,087 WARN L539 Checker$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 12:58:45,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:58:47,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:58:49,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:58:51,113 WARN L539 Checker$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 12:58:53,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:58:55,128 WARN L539 Checker$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 12:58:57,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:58:59,770 WARN L539 Checker$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 12:59:01,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:05,418 WARN L539 Checker$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 12:59:09,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:59:11,193 WARN L539 Checker$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 12:59:13,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:15,211 WARN L539 Checker$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 12:59:17,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:59:19,228 WARN L539 Checker$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 12:59:21,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:23,247 WARN L539 Checker$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 12:59:25,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 12:59:27,263 WARN L539 Checker$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 12:59:29,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:31,281 WARN L539 Checker$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 12:59:33,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:35,303 WARN L539 Checker$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 12:59:37,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:59:39,327 WARN L539 Checker$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 12:59:41,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:43,353 WARN L539 Checker$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 12:59:45,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:47,367 WARN L539 Checker$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 12:59:49,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:51,387 WARN L539 Checker$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 12:59:53,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:55,409 WARN L539 Checker$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 12:59:57,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:59:59,424 WARN L539 Checker$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 13:00:02,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 13:00:04,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:00:04,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:00:04,276 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2023-12-02 13:00:04,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 13:00:04,284 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 13:00:04,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:00:04,285 INFO L225 Difference]: With dead ends: 153 [2023-12-02 13:00:04,285 INFO L226 Difference]: Without dead ends: 83 [2023-12-02 13:00:04,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=103, Invalid=234, Unknown=5, NotChecked=0, Total=342 [2023-12-02 13:00:04,287 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 9 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 2 mSolverCounterUnsat, 48 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 48 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:00:04,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 209 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 231 Invalid, 48 Unknown, 0 Unchecked, 89.2s Time] [2023-12-02 13:00:04,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-02 13:00:04,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2023-12-02 13:00:04,301 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 13:00:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2023-12-02 13:00:04,302 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 45 [2023-12-02 13:00:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:00:04,302 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2023-12-02 13:00:04,302 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 13:00:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2023-12-02 13:00:04,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 13:00:04,304 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:00:04,304 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 13:00:04,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:00:04,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:00:04,505 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:00:04,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:00:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1709657922, now seen corresponding path program 1 times [2023-12-02 13:00:04,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:00:04,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012734027] [2023-12-02 13:00:04,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:00:04,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:00:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:00:04,769 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 13:00:04,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:00:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012734027] [2023-12-02 13:00:04,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012734027] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:00:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672169481] [2023-12-02 13:00:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:00:04,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:00:04,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:00:04,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:00:04,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 13:00:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:00:05,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:00:05,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:00:05,143 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 13:00:05,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:00:05,198 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 13:00:05,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672169481] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:00:05,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [803054493] [2023-12-02 13:00:05,201 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-12-02 13:00:05,202 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:00:05,202 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:00:05,202 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:00:05,203 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:00:30,916 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 302 for LOIs [2023-12-02 13:00:36,116 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:01:54,568 WARN L293 SmtUtils]: Spent 1.19m 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 13:03:43,284 WARN L293 SmtUtils]: Spent 1.67m 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 13:06:20,608 WARN L293 SmtUtils]: Spent 2.53m 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 13:06:41,953 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (= |c_#Ultimate.C_memset_#amount| 384)) (.cse0 (= |c_#Ultimate.C_memset_#value| 0)) (.cse1 (= 44 |c_#Ultimate.C_memset_#amount|))) (and (or (and .cse0 .cse1) (and .cse0 .cse2)) (let ((.cse26 (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|)) (.cse27 (= |c_old(#memory_int)| |c_#memory_int|)) (.cse28 (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|))) (or (and (exists ((|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_404| (Array Int (Array Int Int))) (|v_#memory_int_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_#valid_73| (Array Int Int)) (|v_#memory_int_414| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_113| (Array Int (Array Int Int))) (|v_#memory_int_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse11 (select (select |v_#memory_$Pointer$.base_114| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse12 (select (select |v_#memory_$Pointer$.offset_113| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.base_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse20 (+ (select (select |v_#memory_$Pointer$.offset_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8) 16))) (let ((.cse24 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse25 (select (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse17 (store |v_#memory_$Pointer$.offset_404| .cse19 (store (select |v_#memory_$Pointer$.offset_404| .cse19) .cse20 8))) (.cse23 (store |v_#memory_$Pointer$.base_404| .cse19 (store (select |v_#memory_$Pointer$.base_404| .cse19) .cse20 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|))) (.cse5 (store |v_#memory_$Pointer$.offset_113| .cse11 (store (select |v_#memory_$Pointer$.offset_113| .cse11) .cse12 0))) (.cse22 (store |v_#memory_$Pointer$.base_114| .cse11 (store (select |v_#memory_$Pointer$.base_114| .cse11) .cse12 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse6 (select (select |v_#memory_$Pointer$.base_113| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse7 (+ (select (select |v_#memory_$Pointer$.offset_114| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8) 20)) (.cse3 (select (select .cse22 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse4 (+ 40 (select (select .cse5 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8))) (.cse15 (select (select .cse23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse16 (+ (select (select .cse17 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8) 4)) (.cse8 (select (select |v_#memory_$Pointer$.base_115| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8)) (.cse9 (+ 8 (select (select |v_#memory_$Pointer$.offset_115| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_18|) 8))) (.cse18 (select (select |c_old(#memory_$Pointer$.base)| .cse24) .cse25)) (.cse21 (select (select |c_old(#memory_$Pointer$.offset)| .cse24) .cse25))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (= |c_old(#memory_int)| (store |v_#memory_int_113| .cse3 (store (select |v_#memory_int_113| .cse3) .cse4 2685476833))) (= (store .cse5 .cse3 (store (select .cse5 .cse3) .cse4 (select (select |c_old(#memory_$Pointer$.offset)| .cse3) .cse4))) |c_old(#memory_$Pointer$.offset)|) (= (select |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= (store |v_#memory_$Pointer$.base_113| .cse6 (store (select |v_#memory_$Pointer$.base_113| .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_114| .cse6) .cse7))) |v_#memory_$Pointer$.base_114|) (= (store |v_#memory_$Pointer$.base_115| .cse8 (store (select |v_#memory_$Pointer$.base_115| .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_113| .cse8) .cse9))) |v_#memory_$Pointer$.base_113|) (= (let ((.cse10 (let ((.cse13 (let ((.cse14 (store |v_#memory_int_114| .cse15 (store (select |v_#memory_int_114| .cse15) .cse16 32)))) (store .cse14 .cse8 (store (select .cse14 .cse8) .cse9 5))))) (store .cse13 .cse6 (store (select .cse13 .cse6) .cse7 8))))) (store .cse10 .cse11 (store (select .cse10 .cse11) .cse12 (select (select |v_#memory_int_113| .cse11) .cse12)))) |v_#memory_int_113|) (= (store .cse17 .cse15 (store (select .cse17 .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_115| .cse15) .cse16))) |v_#memory_$Pointer$.offset_115|) (= |c_#Ultimate.C_memset_#ptr.base| .cse18) (= (store |v_#memory_$Pointer$.offset_114| .cse6 (store (select |v_#memory_$Pointer$.offset_114| .cse6) .cse7 (select (select |v_#memory_$Pointer$.offset_113| .cse6) .cse7))) |v_#memory_$Pointer$.offset_113|) (= (store |v_#memory_int_414| .cse19 (store (select |v_#memory_int_414| .cse19) .cse20 (select (select |v_#memory_int_114| .cse19) .cse20))) |v_#memory_int_114|) (= |c_#Ultimate.C_memset_#ptr.offset| .cse21) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (store .cse22 .cse3 (store (select .cse22 .cse3) .cse4 (select (select |c_old(#memory_$Pointer$.base)| .cse3) .cse4))) |c_old(#memory_$Pointer$.base)|) (= (store .cse23 .cse15 (store (select .cse23 .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_115| .cse15) .cse16))) |v_#memory_$Pointer$.base_115|) (= |v_#memory_$Pointer$.offset_114| (store |v_#memory_$Pointer$.offset_115| .cse8 (store (select |v_#memory_$Pointer$.offset_115| .cse8) .cse9 (select (select |v_#memory_$Pointer$.offset_114| .cse8) .cse9)))) (or (not (= 0 .cse18)) (not (= .cse21 0))) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1))))))) .cse26 .cse27 .cse28 .cse0 .cse2) (and .cse26 (exists ((|v_#memory_$Pointer$.offset_401| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_402| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19| Int) (|v_#memory_int_411| (Array Int (Array Int Int))) (|v_#memory_int_413| (Array Int (Array Int Int))) (|v_#valid_72| (Array Int Int)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| Int) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_16| Int) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~i~0#1_BEFORE_CALL_27| Int) (|v_#length_37| (Array Int Int)) (|v_#memory_$Pointer$.base_402| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_401| (Array Int (Array Int Int))) (|v_#memory_int_101| (Array Int (Array Int Int)))) (let ((.cse37 (+ |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19| 8))) (let ((.cse31 (select |v_#memory_int_413| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|)) (.cse30 (+ |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19| 12)) (.cse33 (+ |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19| 36)) (.cse39 (select |v_#memory_$Pointer$.base_97| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|)) (.cse40 (select |v_#memory_$Pointer$.base_402| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|)) (.cse32 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|) .cse37)) (.cse42 (select |v_#memory_int_97| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|)) (.cse29 (select |v_#memory_int_101| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|)) (.cse36 (+ |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19| 16)) (.cse34 (select |v_#memory_$Pointer$.offset_97| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|)) (.cse41 (+ |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19| 28)) (.cse35 (select |v_#memory_$Pointer$.offset_402| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|)) (.cse43 (+ 32 |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19|))) (and (= (store |v_#memory_int_101| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store .cse29 .cse30 (select .cse31 .cse30))) |v_#memory_int_413|) (= |c_#valid| (store |v_#valid_72| .cse32 1)) (= .cse32 |c_#Ultimate.C_memset_#ptr.base|) (= (store |v_#memory_$Pointer$.offset_401| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (select |v_#memory_$Pointer$.offset_401| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|) .cse33 (select .cse34 .cse33))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_$Pointer$.offset_402| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (store (store .cse35 .cse36 0) .cse30 0) .cse37 0)) |c_old(#memory_$Pointer$.offset)|) (let ((.cse38 (= |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19| 0))) (or (and (<= 1 |c_#StackHeapBarrier|) .cse38 (= |v_ULTIMATE.start_main_~i~0#1_BEFORE_CALL_27| 0)) (and .cse38 (<= |v_ULTIMATE.start_main_~i~0#1_BEFORE_CALL_27| 9)))) (not (= .cse32 0)) (= |c_old(#memory_int)| (store |v_#memory_int_413| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store .cse31 .cse37 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|) .cse37)))) (<= (+ .cse32 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_401| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (select |v_#memory_$Pointer$.base_401| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|) .cse33 (select .cse39 .cse33))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_$Pointer$.base_402| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (store (store .cse40 .cse36 0) .cse30 0) .cse37 .cse32)) |c_old(#memory_$Pointer$.base)|) (= (select |v_#valid_72| .cse32) 0) (= |v_#memory_int_97| (store |v_#memory_int_411| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (store (select |v_#memory_int_411| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|) .cse33 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_16|) .cse41 (select .cse42 .cse41)))) (= (store |v_#memory_$Pointer$.base_97| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (store .cse39 .cse41 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|) .cse43 (select .cse40 .cse43))) |v_#memory_$Pointer$.base_402|) (= |c_#length| (store |v_#length_37| .cse32 44)) (= |c_#Ultimate.C_memset_#ptr.offset| (select (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19|) .cse37)) (= (store |v_#memory_int_97| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (store .cse42 .cse43 4) .cse36 (select .cse29 .cse36))) |v_#memory_int_101|) (= (store |v_#memory_$Pointer$.offset_97| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_19| (store (store .cse34 .cse41 |v_ULTIMATE.start_main_~user~0#1.offset_BEFORE_CALL_19|) .cse43 (select .cse35 .cse43))) |v_#memory_$Pointer$.offset_402|))))) .cse27 .cse28 .cse0 .cse1))))) is different from false [2023-12-02 13:07:05,417 WARN L854 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~i~0#1| 9) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.base| 0) (let ((.cse0 (= |c_ULTIMATE.start_main_#t~mem65#1.offset| |c_ULTIMATE.start_main_#t~memset~res66#1.offset|)) (.cse22 (= |c_ULTIMATE.start_main_#t~memset~res66#1.base| |c_ULTIMATE.start_main_#t~mem65#1.base|))) (or (and .cse0 (exists ((|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_404| (Array Int (Array Int Int))) (|v_#memory_int_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_#valid_73| (Array Int Int)) (|v_#memory_int_414| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_113| (Array Int (Array Int Int))) (|v_#memory_int_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_33| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse7 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (select (select |v_#memory_$Pointer$.offset_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.base_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (+ 16 (select (select |v_#memory_$Pointer$.offset_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse1 (store |v_#memory_$Pointer$.offset_404| .cse19 (store (select |v_#memory_$Pointer$.offset_404| .cse19) .cse20 8))) (.cse21 (store |v_#memory_$Pointer$.base_404| .cse19 (store (select |v_#memory_$Pointer$.base_404| .cse19) .cse20 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse18 (store |v_#memory_$Pointer$.offset_113| .cse7 (store (select |v_#memory_$Pointer$.offset_113| .cse7) .cse8 0))) (.cse15 (store |v_#memory_$Pointer$.base_114| .cse7 (store (select |v_#memory_$Pointer$.base_114| .cse7) .cse8 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse5 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (select (select |v_#memory_$Pointer$.base_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 20 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse16 (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 40 (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse13 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse2 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ 4 (select (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse4 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (= |v_#memory_$Pointer$.offset_115| (store .cse1 .cse2 (store (select .cse1 .cse2) .cse3 (select (select |v_#memory_$Pointer$.offset_115| .cse2) .cse3)))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse4) .cse5) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse4) .cse5) 0))) (= |c_ULTIMATE.start_main_#t~mem65#1.offset| (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| |c_ULTIMATE.start_main_#t~mem64#1.base|) |c_ULTIMATE.start_main_#t~mem64#1.offset|)) (= |v_#memory_int_113| (let ((.cse6 (let ((.cse9 (let ((.cse12 (store |v_#memory_int_114| .cse2 (store (select |v_#memory_int_114| .cse2) .cse3 32)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 5))))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 8))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (select (select |v_#memory_int_113| .cse7) .cse8))))) (= (store |v_#memory_$Pointer$.offset_115| .cse13 (store (select |v_#memory_$Pointer$.offset_115| .cse13) .cse14 (select (select |v_#memory_$Pointer$.offset_114| .cse13) .cse14))) |v_#memory_$Pointer$.offset_114|) (= (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse16) .cse17))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_20|) (= |v_#memory_$Pointer$.offset_113| (store |v_#memory_$Pointer$.offset_114| .cse10 (store (select |v_#memory_$Pointer$.offset_114| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_113| .cse10) .cse11)))) (= (select |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= .cse5 |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (store |v_#memory_$Pointer$.base_113| .cse10 (store (select |v_#memory_$Pointer$.base_113| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_114| .cse10) .cse11))) |v_#memory_$Pointer$.base_114|) (= (store .cse18 .cse16 (store (select .cse18 .cse16) .cse17 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse16) .cse17))) |v_#memory_$Pointer$.offset_BEFORE_CALL_33|) (= (store |v_#memory_int_414| .cse19 (store (select |v_#memory_int_414| .cse19) .cse20 (select (select |v_#memory_int_114| .cse19) .cse20))) |v_#memory_int_114|) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_115| .cse13 (store (select |v_#memory_$Pointer$.base_115| .cse13) .cse14 (select (select |v_#memory_$Pointer$.base_113| .cse13) .cse14))) |v_#memory_$Pointer$.base_113|) (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| |c_ULTIMATE.start_main_#t~mem64#1.base|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) |c_ULTIMATE.start_main_#t~mem65#1.base|) (= (store .cse21 .cse2 (store (select .cse21 .cse2) .cse3 (select (select |v_#memory_$Pointer$.base_115| .cse2) .cse3))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= |c_ULTIMATE.start_main_#t~mem64#1.base| .cse4)))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_16| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_16|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_16| 4294967296)))) .cse22) (and .cse0 (exists ((|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_404| (Array Int (Array Int Int))) (|v_#memory_int_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_#valid_73| (Array Int Int)) (|v_#memory_int_414| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.base_BEFORE_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_113| (Array Int (Array Int Int))) (|v_#memory_int_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_113| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse40 (select (select |v_#memory_$Pointer$.base_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 16 (select (select |v_#memory_$Pointer$.offset_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse29 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (select (select |v_#memory_$Pointer$.offset_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse43 (store |v_#memory_$Pointer$.offset_113| .cse29 (store (select |v_#memory_$Pointer$.offset_113| .cse29) .cse30 0))) (.cse37 (store |v_#memory_$Pointer$.base_114| .cse29 (store (select |v_#memory_$Pointer$.base_114| .cse29) .cse30 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|))) (.cse23 (store |v_#memory_$Pointer$.offset_404| .cse40 (store (select |v_#memory_$Pointer$.offset_404| .cse40) .cse41 8))) (.cse42 (store |v_#memory_$Pointer$.base_404| .cse40 (store (select |v_#memory_$Pointer$.base_404| .cse40) .cse41 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse26 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (select (select |v_#memory_$Pointer$.base_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ 20 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse27 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse24 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 4 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse38 (select (select .cse37 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (+ 40 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (= |v_#memory_$Pointer$.offset_115| (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_115| .cse24) .cse25)))) (= |c_ULTIMATE.start_main_#t~mem64#1.base| .cse26) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse26) .cse27) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse26) .cse27) 0))) (= |v_#memory_int_113| (let ((.cse28 (let ((.cse31 (let ((.cse34 (store |v_#memory_int_114| .cse24 (store (select |v_#memory_int_114| .cse24) .cse25 32)))) (store .cse34 .cse35 (store (select .cse34 .cse35) .cse36 5))))) (store .cse31 .cse32 (store (select .cse31 .cse32) .cse33 8))))) (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_#memory_int_113| .cse29) .cse30))))) (= (store |v_#memory_$Pointer$.offset_115| .cse35 (store (select |v_#memory_$Pointer$.offset_115| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_114| .cse35) .cse36))) |v_#memory_$Pointer$.offset_114|) (= |v_#memory_$Pointer$.offset_113| (store |v_#memory_$Pointer$.offset_114| .cse32 (store (select |v_#memory_$Pointer$.offset_114| .cse32) .cse33 (select (select |v_#memory_$Pointer$.offset_113| .cse32) .cse33)))) (= |c_ULTIMATE.start_main_#t~mem65#1.offset| (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| |c_ULTIMATE.start_main_#t~mem64#1.base|) |c_ULTIMATE.start_main_#t~mem64#1.offset|)) (= (select |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= |v_#memory_$Pointer$.base_BEFORE_CALL_31| (store .cse37 .cse38 (store (select .cse37 .cse38) .cse39 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse38) .cse39)))) (= (store |v_#memory_$Pointer$.base_113| .cse32 (store (select |v_#memory_$Pointer$.base_113| .cse32) .cse33 (select (select |v_#memory_$Pointer$.base_114| .cse32) .cse33))) |v_#memory_$Pointer$.base_114|) (= .cse27 |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| |c_ULTIMATE.start_main_#t~mem64#1.base|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) |c_ULTIMATE.start_main_#t~mem65#1.base|) (= (store |v_#memory_int_414| .cse40 (store (select |v_#memory_int_414| .cse40) .cse41 (select (select |v_#memory_int_114| .cse40) .cse41))) |v_#memory_int_114|) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_115| .cse35 (store (select |v_#memory_$Pointer$.base_115| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_113| .cse35) .cse36))) |v_#memory_$Pointer$.base_113|) (= (store .cse42 .cse24 (store (select .cse42 .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_115| .cse24) .cse25))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (store .cse43 .cse38 (store (select .cse43 .cse38) .cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse38) .cse39))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_15| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_15| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_15|))) .cse22)))) is different from false [2023-12-02 13:08:06,120 WARN L293 SmtUtils]: Spent 19.57s on a formula simplification that was a NOOP. DAG size: 218 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:09:02,541 WARN L293 SmtUtils]: Spent 16.67s on a formula simplification that was a NOOP. DAG size: 218 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:09:04,554 WARN L854 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~i~0#1| 9) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_404| (Array Int (Array Int Int))) (|v_#memory_int_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_#valid_73| (Array Int Int)) (|v_#memory_int_414| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_20| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_113| (Array Int (Array Int Int))) (|v_#memory_int_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_33| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse6 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (select (select |v_#memory_$Pointer$.offset_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (select (select |v_#memory_$Pointer$.base_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ 16 (select (select |v_#memory_$Pointer$.offset_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse0 (store |v_#memory_$Pointer$.offset_404| .cse18 (store (select |v_#memory_$Pointer$.offset_404| .cse18) .cse19 8))) (.cse20 (store |v_#memory_$Pointer$.base_404| .cse18 (store (select |v_#memory_$Pointer$.base_404| .cse18) .cse19 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse17 (store |v_#memory_$Pointer$.offset_113| .cse6 (store (select |v_#memory_$Pointer$.offset_113| .cse6) .cse7 0))) (.cse14 (store |v_#memory_$Pointer$.base_114| .cse6 (store (select |v_#memory_$Pointer$.base_114| .cse6) .cse7 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|)))) (let ((.cse9 (select (select |v_#memory_$Pointer$.base_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ 20 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse15 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ 40 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse12 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse1 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 4 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (= |v_#memory_$Pointer$.offset_115| (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_#memory_$Pointer$.offset_115| .cse1) .cse2)))) (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse3) .cse4) 0)))) (= |v_#memory_int_113| (let ((.cse5 (let ((.cse8 (let ((.cse11 (store |v_#memory_int_114| .cse1 (store (select |v_#memory_int_114| .cse1) .cse2 32)))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 5))))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 8))))) (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_#memory_int_113| .cse6) .cse7))))) (= (store |v_#memory_$Pointer$.offset_115| .cse12 (store (select |v_#memory_$Pointer$.offset_115| .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_114| .cse12) .cse13))) |v_#memory_$Pointer$.offset_114|) (= (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_20| .cse15) .cse16))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_20|) (= |v_#memory_$Pointer$.offset_113| (store |v_#memory_$Pointer$.offset_114| .cse9 (store (select |v_#memory_$Pointer$.offset_114| .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_113| .cse9) .cse10)))) (= (select |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= (store |v_#memory_$Pointer$.base_113| .cse9 (store (select |v_#memory_$Pointer$.base_113| .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_114| .cse9) .cse10))) |v_#memory_$Pointer$.base_114|) (= (store .cse17 .cse15 (store (select .cse17 .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_33| .cse15) .cse16))) |v_#memory_$Pointer$.offset_BEFORE_CALL_33|) (= (store |v_#memory_int_414| .cse18 (store (select |v_#memory_int_414| .cse18) .cse19 (select (select |v_#memory_int_114| .cse18) .cse19))) |v_#memory_int_114|) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_115| .cse12 (store (select |v_#memory_$Pointer$.base_115| .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_113| .cse12) .cse13))) |v_#memory_$Pointer$.base_113|) (= (store .cse20 .cse1 (store (select .cse20 .cse1) .cse2 (select (select |v_#memory_$Pointer$.base_115| .cse1) .cse2))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_16| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_16|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_16| 4294967296))))) (and (exists ((|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_404| (Array Int (Array Int Int))) (|v_#memory_int_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_#valid_73| (Array Int Int)) (|v_#memory_int_414| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc59#1.base_5| Int) (|v_#length_38| (Array Int Int)) (|v_#memory_$Pointer$.base_BEFORE_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_113| (Array Int (Array Int Int))) (|v_#memory_int_113| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_113| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse38 (select (select |v_#memory_$Pointer$.base_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (+ 16 (select (select |v_#memory_$Pointer$.offset_404| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse27 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (select (select |v_#memory_$Pointer$.offset_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_113| .cse27 (store (select |v_#memory_$Pointer$.offset_113| .cse27) .cse28 0))) (.cse35 (store |v_#memory_$Pointer$.base_114| .cse27 (store (select |v_#memory_$Pointer$.base_114| .cse27) .cse28 |v_ULTIMATE.start_main_#t~malloc59#1.base_5|))) (.cse21 (store |v_#memory_$Pointer$.offset_404| .cse38 (store (select |v_#memory_$Pointer$.offset_404| .cse38) .cse39 8))) (.cse40 (store |v_#memory_$Pointer$.base_404| .cse38 (store (select |v_#memory_$Pointer$.base_404| .cse38) .cse39 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse30 (select (select |v_#memory_$Pointer$.base_113| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ 20 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse33 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse22 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ 4 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse36 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (+ 40 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (not (= |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 0)) (= |v_#memory_$Pointer$.offset_115| (store .cse21 .cse22 (store (select .cse21 .cse22) .cse23 (select (select |v_#memory_$Pointer$.offset_115| .cse22) .cse23)))) (let ((.cse24 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse24) .cse25) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse24) .cse25) 0)))) (= |v_#memory_int_113| (let ((.cse26 (let ((.cse29 (let ((.cse32 (store |v_#memory_int_114| .cse22 (store (select |v_#memory_int_114| .cse22) .cse23 32)))) (store .cse32 .cse33 (store (select .cse32 .cse33) .cse34 5))))) (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 8))))) (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_#memory_int_113| .cse27) .cse28))))) (= (store |v_#memory_$Pointer$.offset_115| .cse33 (store (select |v_#memory_$Pointer$.offset_115| .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_114| .cse33) .cse34))) |v_#memory_$Pointer$.offset_114|) (= |v_#memory_$Pointer$.offset_113| (store |v_#memory_$Pointer$.offset_114| .cse30 (store (select |v_#memory_$Pointer$.offset_114| .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_113| .cse30) .cse31)))) (= (select |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5|) 0) (= |v_#memory_$Pointer$.base_BEFORE_CALL_31| (store .cse35 .cse36 (store (select .cse35 .cse36) .cse37 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_31| .cse36) .cse37)))) (= (store |v_#memory_$Pointer$.base_113| .cse30 (store (select |v_#memory_$Pointer$.base_113| .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_114| .cse30) .cse31))) |v_#memory_$Pointer$.base_114|) (= (store |v_#memory_int_414| .cse38 (store (select |v_#memory_int_414| .cse38) .cse39 (select (select |v_#memory_int_114| .cse38) .cse39))) |v_#memory_int_114|) (= (store |v_#length_38| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_115| .cse33 (store (select |v_#memory_$Pointer$.base_115| .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_113| .cse33) .cse34))) |v_#memory_$Pointer$.base_113|) (= (store .cse40 .cse22 (store (select .cse40 .cse22) .cse23 (select (select |v_#memory_$Pointer$.base_115| .cse22) .cse23))) |v_#memory_$Pointer$.base_115|) (<= (+ |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_73| |v_ULTIMATE.start_main_#t~malloc59#1.base_5| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| (store .cse41 .cse36 (store (select .cse41 .cse36) .cse37 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_19| .cse36) .cse37))))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_15| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_15| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_15|))))) (exists ((|v_#memory_int_415| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_405| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_405| (Array Int (Array Int Int)))) (let ((.cse43 (+ (select (select |v_#memory_$Pointer$.offset_405| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12)) (.cse42 (select (select |v_#memory_$Pointer$.base_405| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= (store |v_#memory_$Pointer$.base_405| .cse42 (store (select |v_#memory_$Pointer$.base_405| .cse42) .cse43 (select (select |c_#memory_$Pointer$.base| .cse42) .cse43))) |c_#memory_$Pointer$.base|) (= (store |v_#memory_$Pointer$.offset_405| .cse42 (store (select |v_#memory_$Pointer$.offset_405| .cse42) .cse43 (select (select |c_#memory_$Pointer$.offset| .cse42) .cse43))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_int_415| .cse42 (let ((.cse44 (select |v_#memory_int_415| .cse42))) (store .cse44 .cse43 (+ (select .cse44 .cse43) 1)))) |c_#memory_int|)))) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 13:10:22,279 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1632#(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 13:10:22,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:10:22,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:10:22,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-12-02 13:10:22,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144849919] [2023-12-02 13:10:22,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:10:22,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:10:22,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:10:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:10:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=719, Unknown=63, NotChecked=174, Total=1056 [2023-12-02 13:10:22,282 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 13:10:24,308 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 13:10:26,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:28,563 WARN L539 Checker$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 13:10:30,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:32,599 WARN L539 Checker$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 13:10:34,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:36,675 WARN L539 Checker$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 13:10:38,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:40,695 WARN L539 Checker$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 13:10:42,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:44,734 WARN L539 Checker$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 13:10:46,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:48,800 WARN L539 Checker$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 13:10:50,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:52,813 WARN L539 Checker$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 13:10:54,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:10:56,835 WARN L539 Checker$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 13:10:58,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:11:00,852 WARN L539 Checker$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 13:11:03,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:11:03,893 INFO L93 Difference]: Finished difference Result 218 states and 252 transitions. [2023-12-02 13:11:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:11:03,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2023-12-02 13:11:03,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:11:03,895 INFO L225 Difference]: With dead ends: 218 [2023-12-02 13:11:03,895 INFO L226 Difference]: Without dead ends: 214 [2023-12-02 13:11:03,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 586.2s TimeCoverageRelationStatistics Valid=100, Invalid=719, Unknown=63, NotChecked=174, Total=1056 [2023-12-02 13:11:03,897 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 175 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:11:03,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 209 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 19 Unknown, 0 Unchecked, 41.6s Time] [2023-12-02 13:11:03,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-12-02 13:11:03,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2023-12-02 13:11:03,914 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 13:11:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 245 transitions. [2023-12-02 13:11:03,915 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 245 transitions. Word has length 46 [2023-12-02 13:11:03,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:11:03,916 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 245 transitions. [2023-12-02 13:11:03,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 13:11:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 245 transitions. [2023-12-02 13:11:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 13:11:03,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:11:03,919 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 13:11:03,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 13:11:04,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:11:04,119 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:11:04,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:11:04,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1143957926, now seen corresponding path program 1 times [2023-12-02 13:11:04,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:11:04,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756847899] [2023-12-02 13:11:04,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:11:04,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:11:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:11:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-02 13:11:05,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:11:05,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756847899] [2023-12-02 13:11:05,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756847899] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:11:05,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543265866] [2023-12-02 13:11:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:11:05,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:11:05,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:11:05,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:11:05,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f986f8b-8229-4f15-aadb-facb14187769/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 13:11:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:11:05,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:11:05,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:11:05,993 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 13:11:05,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:11:06,209 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 13:11:06,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543265866] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:11:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [47312670] [2023-12-02 13:11:06,213 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2023-12-02 13:11:06,213 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:11:06,214 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:11:06,214 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:11:06,214 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:11:30,217 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 303 for LOIs [2023-12-02 13:11:35,241 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:11:41,898 WARN L293 SmtUtils]: Spent 6.19s 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) [2023-12-02 13:12:23,140 WARN L293 SmtUtils]: Spent 38.12s on a formula simplification. DAG size of input: 308 DAG size of output: 308 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)