./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/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_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/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_4c77cde9-cc3a-48c7-8d19-07643ef34901/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 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:56:54,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:56:54,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:56:54,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:56:54,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:56:54,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:56:54,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:56:54,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:56:54,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:56:54,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:56:54,543 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:56:54,544 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:56:54,544 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:56:54,545 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:56:54,545 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:56:54,546 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:56:54,546 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:56:54,547 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:56:54,547 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:56:54,548 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:56:54,548 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:56:54,553 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:56:54,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:56:54,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:56:54,555 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:56:54,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:56:54,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:56:54,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:56:54,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:56:54,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:56:54,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:56:54,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:56:54,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:56:54,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:56:54,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:56:54,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:56:54,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:56:54,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:56:54,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:56:54,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:56:54,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:56:54,560 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:56:54,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:56:54,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:56:54,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:56:54,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:56:54,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:56:54,561 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_4c77cde9-cc3a-48c7-8d19-07643ef34901/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2023-12-02 19:56:54,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:56:54,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:56:54,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:56:54,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:56:54,803 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:56:54,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2023-12-02 19:56:57,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:56:57,872 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:56:57,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2023-12-02 19:56:57,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/data/6c5ee141e/eede704c0611443a97d0173020a118f2/FLAGb80d08eaa [2023-12-02 19:56:57,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/data/6c5ee141e/eede704c0611443a97d0173020a118f2 [2023-12-02 19:56:57,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:56:57,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:56:57,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:56:57,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:56:57,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:56:57,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:57" (1/1) ... [2023-12-02 19:56:57,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@917e257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:57, skipping insertion in model container [2023-12-02 19:56:57,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:57" (1/1) ... [2023-12-02 19:56:57,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:56:58,279 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_4c77cde9-cc3a-48c7-8d19-07643ef34901/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2023-12-02 19:56:58,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:56:58,369 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:56:58,402 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_4c77cde9-cc3a-48c7-8d19-07643ef34901/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2023-12-02 19:56:58,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:56:58,482 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:56:58,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58 WrapperNode [2023-12-02 19:56:58,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:56:58,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:56:58,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:56:58,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:56:58,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,572 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 790 [2023-12-02 19:56:58,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:56:58,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:56:58,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:56:58,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:56:58,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:56:58,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:56:58,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:56:58,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:56:58,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (1/1) ... [2023-12-02 19:56:58,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:56:58,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:56:58,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:56:58,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:56:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:56:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 19:56:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 19:56:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:56:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 19:56:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 19:56:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 19:56:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:56:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:56:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 19:56:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 19:56:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:56:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:56:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:56:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:56:58,900 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:56:58,902 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:56:59,883 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:57:00,772 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:57:00,773 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-02 19:57:00,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:57:00 BoogieIcfgContainer [2023-12-02 19:57:00,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:57:00,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:57:00,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:57:00,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:57:00,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:56:57" (1/3) ... [2023-12-02 19:57:00,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ba0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:57:00, skipping insertion in model container [2023-12-02 19:57:00,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:58" (2/3) ... [2023-12-02 19:57:00,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ba0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:57:00, skipping insertion in model container [2023-12-02 19:57:00,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:57:00" (3/3) ... [2023-12-02 19:57:00,784 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2023-12-02 19:57:00,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:57:00,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:57:00,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:57:00,863 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;@3c423b41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:57:00,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:57:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 19:57:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 19:57:00,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:00,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:00,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:57:00,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:00,884 INFO L85 PathProgramCache]: Analyzing trace with hash -934467417, now seen corresponding path program 1 times [2023-12-02 19:57:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:00,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601958868] [2023-12-02 19:57:00,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:00,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:01,088 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 19:57:01,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:01,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601958868] [2023-12-02 19:57:01,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601958868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:01,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:01,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:57:01,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402355472] [2023-12-02 19:57:01,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:01,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:57:01,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:01,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:57:01,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:57:01,128 INFO L87 Difference]: Start difference. First operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:57:03,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:05,222 WARN L539 Checker$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 19:57:07,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:09,314 WARN L539 Checker$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 19:57:11,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:13,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:14,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 19:57:14,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:14,980 INFO L93 Difference]: Finished difference Result 221 states and 388 transitions. [2023-12-02 19:57:14,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:57:14,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-12-02 19:57:14,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:14,997 INFO L225 Difference]: With dead ends: 221 [2023-12-02 19:57:14,997 INFO L226 Difference]: Without dead ends: 136 [2023-12-02 19:57:15,000 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 19:57:15,004 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 53 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:15,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 192 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 6 Unknown, 0 Unchecked, 13.8s Time] [2023-12-02 19:57:15,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-02 19:57:15,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 85. [2023-12-02 19:57:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 79 states have internal predecessors, (87), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 19:57:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 113 transitions. [2023-12-02 19:57:15,054 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 113 transitions. Word has length 8 [2023-12-02 19:57:15,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:15,054 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 113 transitions. [2023-12-02 19:57:15,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:57:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2023-12-02 19:57:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 19:57:15,057 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:15,057 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, 1, 1, 1] [2023-12-02 19:57:15,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:57:15,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:57:15,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:15,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1399065638, now seen corresponding path program 1 times [2023-12-02 19:57:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:15,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754431879] [2023-12-02 19:57:15,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:15,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:15,133 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:57:15,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519212663] [2023-12-02 19:57:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:15,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:57:15,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:57:15,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:57:15,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:57:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:15,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 19:57:15,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:57:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:15,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:57:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:15,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:15,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754431879] [2023-12-02 19:57:15,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 19:57:15,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519212663] [2023-12-02 19:57:15,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519212663] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:57:15,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1058387140] [2023-12-02 19:57:15,621 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2023-12-02 19:57:15,621 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:57:15,625 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:57:15,630 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:57:15,630 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:57:21,630 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:57:22,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1058387140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:22,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 19:57:22,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3] total 12 [2023-12-02 19:57:22,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082467283] [2023-12-02 19:57:22,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:22,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 19:57:22,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:22,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 19:57:22,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2023-12-02 19:57:22,484 INFO L87 Difference]: Start difference. First operand 85 states and 113 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:57:24,579 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 19:57:26,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:57:28,600 WARN L539 Checker$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 19:57:30,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:57:33,774 WARN L539 Checker$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 19:57:36,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:38,328 WARN L539 Checker$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 19:57:40,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:57:42,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:44,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:46,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:57:48,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:57:50,405 WARN L539 Checker$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 19:57:52,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:57:54,433 WARN L539 Checker$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 19:57:56,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:57:58,448 WARN L539 Checker$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 19:58:00,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:58:02,465 WARN L539 Checker$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 19:58:04,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:58:06,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:58:09,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 19:58:11,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 19:58:11,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:58:11,184 INFO L93 Difference]: Finished difference Result 188 states and 248 transitions. [2023-12-02 19:58:11,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 19:58:11,193 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-12-02 19:58:11,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:58:11,195 INFO L225 Difference]: With dead ends: 188 [2023-12-02 19:58:11,195 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 19:58:11,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=103, Invalid=136, Unknown=1, NotChecked=0, Total=240 [2023-12-02 19:58:11,197 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:58:11,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 391 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 25 Unknown, 0 Unchecked, 48.3s Time] [2023-12-02 19:58:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 19:58:11,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2023-12-02 19:58:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 80 states have (on average 1.225) internal successors, (98), 90 states have internal predecessors, (98), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 19:58:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2023-12-02 19:58:11,213 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 124 transitions. Word has length 35 [2023-12-02 19:58:11,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:58:11,213 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 124 transitions. [2023-12-02 19:58:11,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:58:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2023-12-02 19:58:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 19:58:11,216 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:58:11,216 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, 1, 1] [2023-12-02 19:58:11,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:58:11,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-02 19:58:11,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:58:11,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:58:11,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1214448193, now seen corresponding path program 1 times [2023-12-02 19:58:11,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:58:11,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77317236] [2023-12-02 19:58:11,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:58:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:58:11,481 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:58:11,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164200285] [2023-12-02 19:58:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:58:11,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:58:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:58:11,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:58:11,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 19:58:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:58:11,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 19:58:11,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:58:11,831 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 19:58:11,831 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:58:11,901 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 19:58:11,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:58:11,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77317236] [2023-12-02 19:58:11,902 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 19:58:11,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164200285] [2023-12-02 19:58:11,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164200285] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:58:11,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1930606228] [2023-12-02 19:58:11,906 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-12-02 19:58:11,906 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 19:58:11,906 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 19:58:11,906 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 19:58:11,907 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 19:58:17,243 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 206 for LOIs [2023-12-02 19:58:17,376 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 19:58:39,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1930606228] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:58:39,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 19:58:39,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4] total 18 [2023-12-02 19:58:39,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829321506] [2023-12-02 19:58:39,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:58:39,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 19:58:39,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:58:39,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 19:58:39,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=204, Unknown=7, NotChecked=0, Total=306 [2023-12-02 19:58:39,199 INFO L87 Difference]: Start difference. First operand 96 states and 124 transitions. Second operand has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 19:58:41,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:58:43,461 WARN L539 Checker$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 19:58:45,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:58:47,479 WARN L539 Checker$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 19:58:49,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:58:51,500 WARN L539 Checker$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 19:58:53,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:58:55,518 WARN L539 Checker$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 19:58:57,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:59:01,019 WARN L539 Checker$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 19:59:07,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:59:20,218 WARN L539 Checker$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 19:59:22,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:59:37,830 WARN L539 Checker$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 19:59:39,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:59:43,746 WARN L539 Checker$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 19:59:45,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:47,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:59:49,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:59:51,816 WARN L539 Checker$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 19:59:53,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:59:55,838 WARN L539 Checker$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 19:59:57,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:59:59,863 WARN L539 Checker$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 20:00:01,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:00:03,892 WARN L539 Checker$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 20:00:05,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:07,910 WARN L539 Checker$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 20:00:09,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:11,930 WARN L539 Checker$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 20:00:13,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:00:15,949 WARN L539 Checker$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 20:00:17,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:00:19,965 WARN L539 Checker$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 20:00:21,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:00:23,987 WARN L539 Checker$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 20:00:25,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:00:28,007 WARN L539 Checker$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 20:00:30,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:00:32,025 WARN L539 Checker$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 20:00:34,032 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 20:00:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:00:35,929 INFO L93 Difference]: Finished difference Result 190 states and 250 transitions. [2023-12-02 20:00:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:00:35,933 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2023-12-02 20:00:35,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:00:35,935 INFO L225 Difference]: With dead ends: 190 [2023-12-02 20:00:35,935 INFO L226 Difference]: Without dead ends: 107 [2023-12-02 20:00:35,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 47.5s TimeCoverageRelationStatistics Valid=143, Invalid=346, Unknown=17, NotChecked=0, Total=506 [2023-12-02 20:00:35,937 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 15 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 48 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 48 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.0s IncrementalHoareTripleChecker+Time [2023-12-02 20:00:35,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 340 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 48 Unknown, 0 Unchecked, 91.0s Time] [2023-12-02 20:00:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-02 20:00:35,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 101. [2023-12-02 20:00:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 94 states have internal predecessors, (102), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 20:00:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2023-12-02 20:00:35,954 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 48 [2023-12-02 20:00:35,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:00:35,955 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2023-12-02 20:00:35,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 20:00:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2023-12-02 20:00:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 20:00:35,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:00:35,956 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, 1, 1, 1] [2023-12-02 20:00:35,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 20:00:36,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:00:36,157 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:00:36,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:00:36,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2033913897, now seen corresponding path program 1 times [2023-12-02 20:00:36,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:00:36,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194778178] [2023-12-02 20:00:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:00:36,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:00:36,212 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:00:36,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993796799] [2023-12-02 20:00:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:00:36,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:00:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:00:36,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:00:36,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:00:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:00:36,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:00:36,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:00:36,551 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 20:00:36,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:00:36,633 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 20:00:36,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:00:36,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194778178] [2023-12-02 20:00:36,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:00:36,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993796799] [2023-12-02 20:00:36,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993796799] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:00:36,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1474210852] [2023-12-02 20:00:36,637 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-12-02 20:00:36,638 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 20:00:36,638 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 20:00:36,638 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 20:00:36,638 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 20:01:06,587 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 26 for LOIs [2023-12-02 20:01:06,598 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 203 for LOIs [2023-12-02 20:01:06,855 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 20:01:22,161 WARN L293 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 203 DAG size of output: 200 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:02:03,763 WARN L293 SmtUtils]: Spent 14.81s on a formula simplification that was a NOOP. DAG size: 239 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:02:05,780 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| 4294967296)))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse1 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_325| .cse11 (store (select |v_#memory_$Pointer$.offset_325| .cse11) .cse12 8))) (.cse19 (store |v_#memory_$Pointer$.base_325| .cse11 (store (select |v_#memory_$Pointer$.base_325| .cse11) .cse12 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse16 (store |v_#memory_$Pointer$.offset_85| .cse1 (store (select |v_#memory_$Pointer$.offset_85| .cse1) .cse2 0))) (.cse13 (store |v_#memory_$Pointer$.base_87| .cse1 (store (select |v_#memory_$Pointer$.base_87| .cse1) .cse2 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse14 (select (select .cse13 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ 40 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse4 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse7 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse9 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ 4 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse0 (let ((.cse3 (let ((.cse6 (store |v_#memory_int_97| .cse9 (store (select |v_#memory_int_97| .cse9) .cse10 32)))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 5))))) (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 8))))) (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_#memory_int_96| .cse1) .cse2)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse11 (store (select |v_#memory_int_373| .cse11) .cse12 (select (select |v_#memory_int_97| .cse11) .cse12)))) (= (store |v_#memory_$Pointer$.offset_87| .cse4 (store (select |v_#memory_$Pointer$.offset_87| .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_85| .cse4) .cse5))) |v_#memory_$Pointer$.offset_85|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse14) .cse15)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (store .cse16 .cse14 (store (select .cse16 .cse14) .cse15 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse14) .cse15)))) (= (store |v_#memory_$Pointer$.base_86| .cse4 (store (select |v_#memory_$Pointer$.base_86| .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_87| .cse4) .cse5))) |v_#memory_$Pointer$.base_87|) (let ((.cse17 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse17) .cse18) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse17) .cse18) 0)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse7 (store (select |v_#memory_$Pointer$.base_85| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_86| .cse7) .cse8))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse19 .cse9 (store (select .cse19 .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_85| .cse9) .cse10))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse7 (store (select |v_#memory_$Pointer$.offset_86| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_87| .cse7) .cse8)))) (= (store .cse20 .cse9 (store (select .cse20 .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_86| .cse9) .cse10))) |v_#memory_$Pointer$.offset_86|))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22|))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse22 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_325| .cse32 (store (select |v_#memory_$Pointer$.offset_325| .cse32) .cse33 8))) (.cse40 (store |v_#memory_$Pointer$.base_325| .cse32 (store (select |v_#memory_$Pointer$.base_325| .cse32) .cse33 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse36 (store |v_#memory_$Pointer$.offset_85| .cse22 (store (select |v_#memory_$Pointer$.offset_85| .cse22) .cse23 0))) (.cse39 (store |v_#memory_$Pointer$.base_87| .cse22 (store (select |v_#memory_$Pointer$.base_87| .cse22) .cse23 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse25 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse37 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ 40 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse28 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse30 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ 4 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse21 (let ((.cse24 (let ((.cse27 (store |v_#memory_int_97| .cse30 (store (select |v_#memory_int_97| .cse30) .cse31 32)))) (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 5))))) (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 8))))) (store .cse21 .cse22 (store (select .cse21 .cse22) .cse23 (select (select |v_#memory_int_96| .cse22) .cse23)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse32 (store (select |v_#memory_int_373| .cse32) .cse33 (select (select |v_#memory_int_97| .cse32) .cse33)))) (= (store |v_#memory_$Pointer$.offset_87| .cse25 (store (select |v_#memory_$Pointer$.offset_87| .cse25) .cse26 (select (select |v_#memory_$Pointer$.offset_85| .cse25) .cse26))) |v_#memory_$Pointer$.offset_85|) (let ((.cse34 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse34) .cse35) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse34) .cse35) 0)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= (store |v_#memory_$Pointer$.base_86| .cse25 (store (select |v_#memory_$Pointer$.base_86| .cse25) .cse26 (select (select |v_#memory_$Pointer$.base_87| .cse25) .cse26))) |v_#memory_$Pointer$.base_87|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse37) .cse38)))) (= (store .cse39 .cse37 (store (select .cse39 .cse37) .cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse37) .cse38))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_26|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse28 (store (select |v_#memory_$Pointer$.base_85| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_86| .cse28) .cse29))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse40 .cse30 (store (select .cse40 .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_85| .cse30) .cse31))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse28 (store (select |v_#memory_$Pointer$.offset_86| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_87| .cse28) .cse29)))) (= (store .cse41 .cse30 (store (select .cse41 .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_86| .cse30) .cse31))) |v_#memory_$Pointer$.offset_86|)))))))) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 20:02:54,076 WARN L293 SmtUtils]: Spent 12.19s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:02:56,087 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (exists ((|v_#memory_$Pointer$.offset_326| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_326| (Array Int (Array Int Int))) (|v_#memory_int_374| (Array Int (Array Int Int)))) (let ((.cse1 (+ 12 (select (select |v_#memory_$Pointer$.offset_326| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (.cse0 (select (select |v_#memory_$Pointer$.base_326| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_326| .cse0 (store (select |v_#memory_$Pointer$.base_326| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_326| .cse0 (store (select |v_#memory_$Pointer$.offset_326| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1)))) (= (store |v_#memory_int_374| .cse0 (let ((.cse2 (select |v_#memory_int_374| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_21| 4294967296)))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse4 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse23 (store |v_#memory_$Pointer$.offset_325| .cse14 (store (select |v_#memory_$Pointer$.offset_325| .cse14) .cse15 8))) (.cse22 (store |v_#memory_$Pointer$.base_325| .cse14 (store (select |v_#memory_$Pointer$.base_325| .cse14) .cse15 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse19 (store |v_#memory_$Pointer$.offset_85| .cse4 (store (select |v_#memory_$Pointer$.offset_85| .cse4) .cse5 0))) (.cse16 (store |v_#memory_$Pointer$.base_87| .cse4 (store (select |v_#memory_$Pointer$.base_87| .cse4) .cse5 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse17 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 40 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse7 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse12 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 4 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse3 (let ((.cse6 (let ((.cse9 (store |v_#memory_int_97| .cse12 (store (select |v_#memory_int_97| .cse12) .cse13 32)))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 5))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 8))))) (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_int_96| .cse4) .cse5)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse14 (store (select |v_#memory_int_373| .cse14) .cse15 (select (select |v_#memory_int_97| .cse14) .cse15)))) (= (store |v_#memory_$Pointer$.offset_87| .cse7 (store (select |v_#memory_$Pointer$.offset_87| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_85| .cse7) .cse8))) |v_#memory_$Pointer$.offset_85|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| (store .cse16 .cse17 (store (select .cse16 .cse17) .cse18 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse17) .cse18)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| (store .cse19 .cse17 (store (select .cse19 .cse17) .cse18 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse17) .cse18)))) (= (store |v_#memory_$Pointer$.base_86| .cse7 (store (select |v_#memory_$Pointer$.base_86| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_87| .cse7) .cse8))) |v_#memory_$Pointer$.base_87|) (let ((.cse20 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse21 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_25| .cse20) .cse21) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_25| .cse20) .cse21) 0)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse10 (store (select |v_#memory_$Pointer$.base_85| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_86| .cse10) .cse11))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse22 .cse12 (store (select .cse22 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_85| .cse12) .cse13))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse10 (store (select |v_#memory_$Pointer$.offset_86| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_87| .cse10) .cse11)))) (= (store .cse23 .cse12 (store (select .cse23 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_86| .cse12) .cse13))) |v_#memory_$Pointer$.offset_86|))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr164_BEFORE_RETURN_22|))) (exists ((|v_#memory_$Pointer$.base_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_325| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_85| (Array Int (Array Int Int))) (|v_#memory_int_96| (Array Int (Array Int Int))) (|v_#memory_int_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_87| (Array Int (Array Int Int))) (|v_#valid_60| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_5| Int) (|v_#memory_$Pointer$.offset_86| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_85| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_87| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_#memory_$Pointer$.base_325| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (Array Int (Array Int Int))) (|v_#memory_int_373| (Array Int (Array Int Int)))) (let ((.cse25 (select (select |v_#memory_$Pointer$.base_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (select (select |v_#memory_$Pointer$.offset_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (select (select |v_#memory_$Pointer$.base_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ 16 (select (select |v_#memory_$Pointer$.offset_325| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_325| .cse35 (store (select |v_#memory_$Pointer$.offset_325| .cse35) .cse36 8))) (.cse43 (store |v_#memory_$Pointer$.base_325| .cse35 (store (select |v_#memory_$Pointer$.base_325| .cse35) .cse36 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse39 (store |v_#memory_$Pointer$.offset_85| .cse25 (store (select |v_#memory_$Pointer$.offset_85| .cse25) .cse26 0))) (.cse42 (store |v_#memory_$Pointer$.base_87| .cse25 (store (select |v_#memory_$Pointer$.base_87| .cse25) .cse26 |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)))) (let ((.cse28 (select (select |v_#memory_$Pointer$.base_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_87| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse40 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 40 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse31 (select (select |v_#memory_$Pointer$.base_85| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_86| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse33 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ 4 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |c_#valid| (store |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1)) (= (let ((.cse24 (let ((.cse27 (let ((.cse30 (store |v_#memory_int_97| .cse33 (store (select |v_#memory_int_97| .cse33) .cse34 32)))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 5))))) (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 8))))) (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_int_96| .cse25) .cse26)))) |v_#memory_int_96|) (= |v_#memory_int_97| (store |v_#memory_int_373| .cse35 (store (select |v_#memory_int_373| .cse35) .cse36 (select (select |v_#memory_int_97| .cse35) .cse36)))) (= (store |v_#memory_$Pointer$.offset_87| .cse28 (store (select |v_#memory_$Pointer$.offset_87| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_85| .cse28) .cse29))) |v_#memory_$Pointer$.offset_85|) (let ((.cse37 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse37) .cse38) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse37) .cse38) 0)))) (= 0 (select |v_#valid_60| |v_ULTIMATE.start_main_#t~malloc58#1.base_5|)) (= (store |v_#memory_$Pointer$.base_86| .cse28 (store (select |v_#memory_$Pointer$.base_86| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_87| .cse28) .cse29))) |v_#memory_$Pointer$.base_87|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| (store .cse39 .cse40 (store (select .cse39 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_26| .cse40) .cse41)))) (= (store .cse42 .cse40 (store (select .cse42 .cse40) .cse41 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_26| .cse40) .cse41))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_26|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 0)) (= (store |v_#memory_$Pointer$.base_85| .cse31 (store (select |v_#memory_$Pointer$.base_85| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_86| .cse31) .cse32))) |v_#memory_$Pointer$.base_86|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 1) |c_#StackHeapBarrier|) (= (store .cse43 .cse33 (store (select .cse43 .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_85| .cse33) .cse34))) |v_#memory_$Pointer$.base_85|) (= (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_5| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_87| (store |v_#memory_$Pointer$.offset_86| .cse31 (store (select |v_#memory_$Pointer$.offset_86| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_87| .cse31) .cse32)))) (= (store .cse44 .cse33 (store (select .cse44 .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_86| .cse33) .cse34))) |v_#memory_$Pointer$.offset_86|)))))))) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 20:04:45,278 WARN L293 SmtUtils]: Spent 1.37m on a formula simplification that was a NOOP. DAG size: 278 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:05:13,662 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2166#(and (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24| Int)) (and (not (= |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24| 0)) (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24|) 0) 0)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_24|) 4) 0))))) (= ~count_int_int~0 1))' at error location [2023-12-02 20:05:13,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 20:05:13,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:05:13,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-02 20:05:13,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553472413] [2023-12-02 20:05:13,663 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:05:13,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:05:13,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:05:13,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:05:13,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=816, Unknown=47, NotChecked=122, Total=1122 [2023-12-02 20:05:13,664 INFO L87 Difference]: Start difference. First operand 101 states and 130 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 20:05:15,706 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 20:05:17,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:19,826 WARN L539 Checker$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 20:05:21,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:23,851 WARN L539 Checker$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 20:05:25,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:27,938 WARN L539 Checker$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 20:05:29,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:31,970 WARN L539 Checker$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 20:05:34,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:36,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:38,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:40,160 WARN L539 Checker$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 20:05:42,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:44,173 WARN L539 Checker$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 20:05:46,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:48,202 WARN L539 Checker$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 20:05:50,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:05:52,217 WARN L539 Checker$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 20:05:55,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:05:55,362 INFO L93 Difference]: Finished difference Result 266 states and 338 transitions. [2023-12-02 20:05:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:05:55,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2023-12-02 20:05:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:05:55,365 INFO L225 Difference]: With dead ends: 266 [2023-12-02 20:05:55,365 INFO L226 Difference]: Without dead ends: 238 [2023-12-02 20:05:55,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 246.8s TimeCoverageRelationStatistics Valid=137, Invalid=816, Unknown=47, NotChecked=122, Total=1122 [2023-12-02 20:05:55,367 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 168 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2023-12-02 20:05:55,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 331 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 19 Unknown, 0 Unchecked, 41.7s Time] [2023-12-02 20:05:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-02 20:05:55,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-12-02 20:05:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 213 states have (on average 1.1455399061032865) internal successors, (244), 222 states have internal predecessors, (244), 22 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 20:05:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2023-12-02 20:05:55,397 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 49 [2023-12-02 20:05:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:05:55,398 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2023-12-02 20:05:55,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 20:05:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2023-12-02 20:05:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 20:05:55,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:05:55,404 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, 1, 1, 1] [2023-12-02 20:05:55,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:05:55,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:05:55,607 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 20:05:55,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:05:55,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1638155196, now seen corresponding path program 1 times [2023-12-02 20:05:55,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:05:55,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590908352] [2023-12-02 20:05:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:05:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:05:55,763 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:05:55,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409593797] [2023-12-02 20:05:55,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:05:55,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:05:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:05:55,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:05:55,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c77cde9-cc3a-48c7-8d19-07643ef34901/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:05:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:05:56,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:05:56,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:05:56,597 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 20:05:56,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:05:56,901 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 20:05:56,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:05:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590908352] [2023-12-02 20:05:56,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:05:56,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409593797] [2023-12-02 20:05:56,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409593797] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:05:56,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1942410709] [2023-12-02 20:05:56,905 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2023-12-02 20:05:56,905 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 20:05:56,905 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 20:05:56,906 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 20:05:56,906 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 20:06:20,401 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2023-12-02 20:06:20,415 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 206 for LOIs [2023-12-02 20:06:20,921 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 20:06:34,349 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 206 DAG size of output: 203 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:07:57,473 WARN L293 SmtUtils]: Spent 26.58s on a formula simplification that was a NOOP. DAG size: 244 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:08:59,032 WARN L293 SmtUtils]: Spent 23.56s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:09:49,225 WARN L293 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 175 DAG size of output: 162 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 20:10:03,965 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3686#(and (<= 1 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39| Int)) (and (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39|) 0) 0)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39|) 4) 0))) (not (= |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_39| 0)))) (= ~count_int_int~0 1))' at error location [2023-12-02 20:10:03,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 20:10:03,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:10:03,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-12-02 20:10:03,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954447092] [2023-12-02 20:10:03,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:10:03,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 20:10:03,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:10:03,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 20:10:03,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1332, Unknown=56, NotChecked=0, Total=1560 [2023-12-02 20:10:03,967 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand has 12 states, 12 states have (on average 19.833333333333332) internal successors, (238), 12 states have internal predecessors, (238), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 20:10:05,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:08,098 WARN L539 Checker$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 20:10:10,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:12,127 WARN L539 Checker$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 20:10:14,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:16,240 WARN L539 Checker$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 20:10:18,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:20,254 WARN L539 Checker$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 20:10:22,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:24,288 WARN L539 Checker$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 20:10:26,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:28,357 WARN L539 Checker$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 20:10:30,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:32,377 WARN L539 Checker$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 20:10:34,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:36,399 WARN L539 Checker$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 20:10:38,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:40,416 WARN L539 Checker$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 20:10:42,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:44,504 WARN L539 Checker$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 20:10:46,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:48,520 WARN L539 Checker$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 20:10:50,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:52,547 WARN L539 Checker$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 20:10:54,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:10:56,692 WARN L539 Checker$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 20:10:58,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:00,716 WARN L539 Checker$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 20:11:02,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:04,796 WARN L539 Checker$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 20:11:06,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:08,817 WARN L539 Checker$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 20:11:10,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:12,840 WARN L539 Checker$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 20:11:14,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:16,874 WARN L539 Checker$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 20:11:18,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:20,901 WARN L539 Checker$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 20:11:22,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:24,927 WARN L539 Checker$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 20:11:26,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:29,004 WARN L539 Checker$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 20:11:31,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:33,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:35,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:37,030 WARN L539 Checker$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 20:11:39,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:41,049 WARN L539 Checker$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 20:11:43,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:45,074 WARN L539 Checker$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 20:11:47,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:49,088 WARN L539 Checker$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 20:11:51,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:53,105 WARN L539 Checker$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 20:11:55,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:11:57,193 WARN L539 Checker$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 20:11:59,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:12:01,210 WARN L539 Checker$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 20:12:03,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:12:05,237 WARN L539 Checker$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 20:12:07,250 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 []