./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/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_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/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_74be7c44-fdd5-4d25-83d6-64dc66266c4a/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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:45:28,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:45:28,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:45:28,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:45:28,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:45:29,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:45:29,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:45:29,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:45:29,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:45:29,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:45:29,009 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:45:29,010 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:45:29,010 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:45:29,011 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:45:29,011 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:45:29,012 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:45:29,012 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:45:29,013 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:45:29,013 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:45:29,014 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:45:29,014 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:45:29,015 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:45:29,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:45:29,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:45:29,017 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:45:29,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:45:29,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:45:29,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:45:29,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:45:29,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:45:29,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:45:29,019 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:45:29,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:45:29,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:45:29,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:45:29,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:45:29,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:45:29,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:45:29,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:45:29,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:45:29,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:45:29,021 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:45:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:45:29,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:45:29,021 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:45:29,022 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:45:29,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:45:29,022 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_74be7c44-fdd5-4d25-83d6-64dc66266c4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2023-12-02 14:45:29,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:45:29,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:45:29,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:45:29,283 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:45:29,283 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:45:29,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-12-02 14:45:32,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:45:32,360 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:45:32,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2023-12-02 14:45:32,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/data/401f0670b/f3aca8155dd74ca58af223d1afbdbd22/FLAG93e635d27 [2023-12-02 14:45:32,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/data/401f0670b/f3aca8155dd74ca58af223d1afbdbd22 [2023-12-02 14:45:32,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:45:32,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:45:32,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:45:32,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:45:32,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:45:32,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:45:32" (1/1) ... [2023-12-02 14:45:32,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426f5462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:32, skipping insertion in model container [2023-12-02 14:45:32,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:45:32" (1/1) ... [2023-12-02 14:45:32,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:45:32,871 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_74be7c44-fdd5-4d25-83d6-64dc66266c4a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2023-12-02 14:45:32,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:45:32,964 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:45:32,995 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_74be7c44-fdd5-4d25-83d6-64dc66266c4a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2023-12-02 14:45:33,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:45:33,083 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:45:33,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33 WrapperNode [2023-12-02 14:45:33,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:45:33,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:45:33,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:45:33,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:45:33,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,173 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 955 [2023-12-02 14:45:33,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:45:33,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:45:33,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:45:33,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:45:33,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:45:33,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:45:33,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:45:33,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:45:33,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (1/1) ... [2023-12-02 14:45:33,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:45:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:45:33,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:45:33,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:45:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:45:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 14:45:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 14:45:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:45:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 14:45:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 14:45:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:45:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:45:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:45:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:45:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:45:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:45:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:45:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:45:33,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:45:33,540 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:45:33,542 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:45:34,504 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:45:35,413 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:45:35,413 INFO L309 CfgBuilder]: Removed 40 assume(true) statements. [2023-12-02 14:45:35,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:45:35 BoogieIcfgContainer [2023-12-02 14:45:35,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:45:35,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:45:35,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:45:35,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:45:35,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:45:32" (1/3) ... [2023-12-02 14:45:35,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745ed2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:45:35, skipping insertion in model container [2023-12-02 14:45:35,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:45:33" (2/3) ... [2023-12-02 14:45:35,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745ed2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:45:35, skipping insertion in model container [2023-12-02 14:45:35,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:45:35" (3/3) ... [2023-12-02 14:45:35,423 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2023-12-02 14:45:35,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:45:35,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:45:35,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:45:35,500 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;@7e53a851, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:45:35,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:45:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 83 states have (on average 1.7349397590361446) internal successors, (144), 94 states have internal predecessors, (144), 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 14:45:35,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 14:45:35,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:45:35,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:45:35,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:45:35,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:45:35,519 INFO L85 PathProgramCache]: Analyzing trace with hash -692235053, now seen corresponding path program 1 times [2023-12-02 14:45:35,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:45:35,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108712058] [2023-12-02 14:45:35,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:45:35,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:45:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:45:35,714 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 14:45:35,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:45:35,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108712058] [2023-12-02 14:45:35,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108712058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:45:35,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:45:35,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:45:35,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631505679] [2023-12-02 14:45:35,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:45:35,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:45:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:45:35,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:45:35,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:45:35,752 INFO L87 Difference]: Start difference. First operand has 100 states, 83 states have (on average 1.7349397590361446) internal successors, (144), 94 states have internal predecessors, (144), 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 14:45:37,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:45:39,815 WARN L539 Checker$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 14:45:41,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:45:43,935 WARN L539 Checker$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 14:45:45,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:45:47,962 WARN L539 Checker$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 14:45:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:45:48,508 INFO L93 Difference]: Finished difference Result 251 states and 440 transitions. [2023-12-02 14:45:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:45:48,513 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 14:45:48,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:45:48,522 INFO L225 Difference]: With dead ends: 251 [2023-12-02 14:45:48,522 INFO L226 Difference]: Without dead ends: 136 [2023-12-02 14:45:48,524 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 14:45:48,527 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 53 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:45:48,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 214 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 6 Unknown, 0 Unchecked, 12.7s Time] [2023-12-02 14:45:48,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-02 14:45:48,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 85. [2023-12-02 14:45:48,566 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 14:45:48,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 113 transitions. [2023-12-02 14:45:48,569 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 113 transitions. Word has length 8 [2023-12-02 14:45:48,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:45:48,570 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 113 transitions. [2023-12-02 14:45:48,570 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 14:45:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2023-12-02 14:45:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 14:45:48,573 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:45:48,573 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 14:45:48,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:45:48,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:45:48,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:45:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2032290299, now seen corresponding path program 1 times [2023-12-02 14:45:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:45:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503612612] [2023-12-02 14:45:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:45:48,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:45:48,639 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:45:48,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995817464] [2023-12-02 14:45:48,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:45:48,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:45:48,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:45:48,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:45:48,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:45:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:45:48,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:45:48,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:45:49,026 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 14:45:49,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:45:49,082 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 14:45:49,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:45:49,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503612612] [2023-12-02 14:45:49,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:45:49,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995817464] [2023-12-02 14:45:49,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995817464] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:45:49,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [402736765] [2023-12-02 14:45:49,103 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2023-12-02 14:45:49,103 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:45:49,106 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:45:49,111 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:45:49,112 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:45:54,960 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:45:55,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [402736765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:45:55,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:45:55,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3] total 12 [2023-12-02 14:45:55,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906055463] [2023-12-02 14:45:55,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:45:55,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 14:45:55,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:45:55,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 14:45:55,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=87, Unknown=0, NotChecked=0, Total=156 [2023-12-02 14:45:55,664 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 14:45:57,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:45:59,772 WARN L539 Checker$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 14:46:01,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:46:03,788 WARN L539 Checker$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 14:46:06,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:46:08,905 WARN L539 Checker$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 14:46:12,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:46:14,443 WARN L539 Checker$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 14:46:16,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:46:18,461 WARN L539 Checker$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 14:46:20,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:46:22,492 WARN L539 Checker$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 14:46:24,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:46:26,511 WARN L539 Checker$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 14:46:28,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:46:30,551 WARN L539 Checker$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 14:46:32,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:46:34,569 WARN L539 Checker$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 14:46:36,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:46:38,597 WARN L539 Checker$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 14:46:40,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:46:42,618 WARN L539 Checker$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 14:46:45,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 14:46:46,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:46:47,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:46:47,120 INFO L93 Difference]: Finished difference Result 188 states and 248 transitions. [2023-12-02 14:46:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 14:46:47,127 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 14:46:47,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:46:47,129 INFO L225 Difference]: With dead ends: 188 [2023-12-02 14:46:47,129 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 14:46:47,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=103, Invalid=137, Unknown=0, NotChecked=0, Total=240 [2023-12-02 14:46:47,132 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 13 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 5 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:46:47,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 327 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 152 Invalid, 26 Unknown, 0 Unchecked, 51.1s Time] [2023-12-02 14:46:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 14:46:47,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2023-12-02 14:46:47,149 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 14:46:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2023-12-02 14:46:47,151 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 124 transitions. Word has length 35 [2023-12-02 14:46:47,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:46:47,151 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 124 transitions. [2023-12-02 14:46:47,151 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 14:46:47,151 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2023-12-02 14:46:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 14:46:47,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:46:47,153 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 14:46:47,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:46:47,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:46:47,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:46:47,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:46:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1153930200, now seen corresponding path program 1 times [2023-12-02 14:46:47,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:46:47,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039756184] [2023-12-02 14:46:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:46:47,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:46:47,438 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:46:47,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224585003] [2023-12-02 14:46:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:46:47,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:46:47,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:46:47,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:46:47,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:46:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:46:47,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:46:47,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:46:47,856 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 14:46:47,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:46:47,936 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 14:46:47,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:46:47,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039756184] [2023-12-02 14:46:47,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:46:47,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224585003] [2023-12-02 14:46:47,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224585003] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:46:47,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [705820311] [2023-12-02 14:46:47,940 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-12-02 14:46:47,940 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:46:47,941 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:46:47,941 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:46:47,942 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:46:53,492 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 206 for LOIs [2023-12-02 14:46:53,661 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:47:18,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [705820311] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:47:18,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:47:18,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4] total 18 [2023-12-02 14:47:18,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901730319] [2023-12-02 14:47:18,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:47:18,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 14:47:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:47:18,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 14:47:18,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=205, Unknown=6, NotChecked=0, Total=306 [2023-12-02 14:47:18,860 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 14:47:21,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:47:23,162 WARN L539 Checker$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 14:47:25,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:47:27,184 WARN L539 Checker$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 14:47:29,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:47:31,199 WARN L539 Checker$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 14:47:33,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:47:35,225 WARN L539 Checker$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 14:47:37,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:47:39,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:47:41,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:47:47,654 WARN L539 Checker$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 14:48:02,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:03,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:25,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:48:27,306 WARN L539 Checker$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 14:48:29,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:31,321 WARN L539 Checker$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 14:48:33,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:35,341 WARN L539 Checker$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 14:48:37,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:39,358 WARN L539 Checker$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 14:48:41,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:43,374 WARN L539 Checker$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 14:48:45,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:48:47,395 WARN L539 Checker$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 14:48:49,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:51,423 WARN L539 Checker$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 14:48:53,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:55,436 WARN L539 Checker$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 14:48:57,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:48:59,455 WARN L539 Checker$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 14:49:01,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:49:03,472 WARN L539 Checker$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 14:49:05,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:49:07,490 WARN L539 Checker$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 14:49:09,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:49:11,523 WARN L539 Checker$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 14:49:13,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:49:15,539 WARN L539 Checker$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 14:49:19,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 14:49:21,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:49:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:49:22,941 INFO L93 Difference]: Finished difference Result 190 states and 250 transitions. [2023-12-02 14:49:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 14:49:22,951 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 14:49:22,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:49:22,953 INFO L225 Difference]: With dead ends: 190 [2023-12-02 14:49:22,953 INFO L226 Difference]: Without dead ends: 107 [2023-12-02 14:49:22,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 50.4s TimeCoverageRelationStatistics Valid=143, Invalid=347, Unknown=16, NotChecked=0, Total=506 [2023-12-02 14:49:22,955 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 10 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 4 mSolverCounterUnsat, 46 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 46 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:49:22,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 605 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 339 Invalid, 46 Unknown, 0 Unchecked, 98.8s Time] [2023-12-02 14:49:22,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-02 14:49:22,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 101. [2023-12-02 14:49:22,978 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 14:49:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2023-12-02 14:49:22,979 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 48 [2023-12-02 14:49:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:49:22,980 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2023-12-02 14:49:22,980 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 14:49:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2023-12-02 14:49:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 14:49:22,982 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:49:22,982 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 14:49:22,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 14:49:23,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:49:23,183 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:49:23,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:49:23,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2029962856, now seen corresponding path program 1 times [2023-12-02 14:49:23,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:49:23,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372447116] [2023-12-02 14:49:23,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:49:23,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:49:23,226 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:49:23,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787425904] [2023-12-02 14:49:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:49:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:49:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:49:23,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:49:23,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 14:49:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:49:23,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:49:23,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:49:23,602 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 14:49:23,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:49:23,685 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 14:49:23,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:49:23,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372447116] [2023-12-02 14:49:23,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:49:23,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787425904] [2023-12-02 14:49:23,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787425904] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:49:23,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [100390259] [2023-12-02 14:49:23,690 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-12-02 14:49:23,690 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:49:23,690 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:49:23,691 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:49:23,691 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:49:53,571 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2023-12-02 14:49:53,587 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 206 for LOIs [2023-12-02 14:49:54,034 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:50:07,792 WARN L293 SmtUtils]: Spent 9.94s 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 14:51:15,311 WARN L293 SmtUtils]: Spent 28.16s 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 14:52:26,095 WARN L293 SmtUtils]: Spent 26.19s 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 14:53:25,565 WARN L293 SmtUtils]: Spent 27.94s 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 14:53:27,589 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (exists ((|v_#memory_int_429| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_416| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_416| (Array Int (Array Int Int)))) (let ((.cse1 (+ 12 (select (select |v_#memory_$Pointer$.offset_416| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (.cse0 (select (select |v_#memory_$Pointer$.base_416| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_416| .cse0 (store (select |v_#memory_$Pointer$.offset_416| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1)))) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_416| .cse0 (store (select |v_#memory_$Pointer$.base_416| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= (store |v_#memory_int_429| .cse0 (let ((.cse2 (select |v_#memory_int_429| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_13| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_13| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_13|))) (exists ((|v_#memory_int_40| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_415| (Array Int (Array Int Int))) (|v_#memory_int_428| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_415| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_28| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.base_27| (Array Int (Array Int Int))) (|v_#memory_int_39| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_29| (Array Int (Array Int Int))) (|v_#length_40| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_27| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_29| (Array Int (Array Int Int)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 16 (select (select |v_#memory_$Pointer$.offset_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse19 (select (select |v_#memory_$Pointer$.base_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (select (select |v_#memory_$Pointer$.offset_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse23 (store |v_#memory_$Pointer$.offset_27| .cse19 (store (select |v_#memory_$Pointer$.offset_27| .cse19) .cse20 0))) (.cse5 (store |v_#memory_$Pointer$.base_27| .cse19 (store (select |v_#memory_$Pointer$.base_27| .cse19) .cse20 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse8 (store |v_#memory_$Pointer$.offset_415| .cse16 (store (select |v_#memory_$Pointer$.offset_415| .cse16) .cse17 8))) (.cse13 (store |v_#memory_$Pointer$.base_415| .cse16 (store (select |v_#memory_$Pointer$.base_415| .cse16) .cse17 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse9 (select (select .cse13 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse14 (select (select |v_#memory_$Pointer$.base_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ (select (select |v_#memory_$Pointer$.offset_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse11 (select (select |v_#memory_$Pointer$.base_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select |v_#memory_$Pointer$.offset_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse3) .cse4) 0)))) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse6) .cse7)))) (= (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_28| .cse9) .cse10))) |v_#memory_$Pointer$.offset_28|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#length_40| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_28| .cse11 (store (select |v_#memory_$Pointer$.base_28| .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_29| .cse11) .cse12))) |v_#memory_$Pointer$.base_29|) (= (store .cse13 .cse9 (store (select .cse13 .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_28| .cse9) .cse10))) |v_#memory_$Pointer$.base_28|) (= (store |v_#memory_$Pointer$.base_29| .cse14 (store (select |v_#memory_$Pointer$.base_29| .cse14) .cse15 (select (select |v_#memory_$Pointer$.base_27| .cse14) .cse15))) |v_#memory_$Pointer$.base_27|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_#memory_int_40| (store |v_#memory_int_428| .cse16 (store (select |v_#memory_int_428| .cse16) .cse17 (select (select |v_#memory_int_40| .cse16) .cse17)))) (= |v_#memory_int_39| (let ((.cse18 (let ((.cse21 (let ((.cse22 (store |v_#memory_int_40| .cse9 (store (select |v_#memory_int_40| .cse9) .cse10 32)))) (store .cse22 .cse11 (store (select .cse22 .cse11) .cse12 5))))) (store .cse21 .cse14 (store (select .cse21 .cse14) .cse15 8))))) (store .cse18 .cse19 (store (select .cse18 .cse19) .cse20 (select (select |v_#memory_int_39| .cse19) .cse20))))) (= (store |v_#memory_$Pointer$.offset_29| .cse14 (store (select |v_#memory_$Pointer$.offset_29| .cse14) .cse15 (select (select |v_#memory_$Pointer$.offset_27| .cse14) .cse15))) |v_#memory_$Pointer$.offset_27|) (= (store |v_#memory_$Pointer$.offset_28| .cse11 (store (select |v_#memory_$Pointer$.offset_28| .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_29| .cse11) .cse12))) |v_#memory_$Pointer$.offset_29|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse23 .cse6 (store (select .cse23 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse6) .cse7)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_14| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_14| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_14|))) (exists ((|v_#memory_int_40| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_415| (Array Int (Array Int Int))) (|v_#memory_int_428| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_415| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_28| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.base_27| (Array Int (Array Int Int))) (|v_#memory_int_39| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_29| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#length_40| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.offset_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_27| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_29| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse35 (select (select |v_#memory_$Pointer$.base_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ 16 (select (select |v_#memory_$Pointer$.offset_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse38 (select (select |v_#memory_$Pointer$.base_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.offset_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse24 (store |v_#memory_$Pointer$.offset_27| .cse38 (store (select |v_#memory_$Pointer$.offset_27| .cse38) .cse39 0))) (.cse44 (store |v_#memory_$Pointer$.base_27| .cse38 (store (select |v_#memory_$Pointer$.base_27| .cse38) .cse39 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse27 (store |v_#memory_$Pointer$.offset_415| .cse35 (store (select |v_#memory_$Pointer$.offset_415| .cse35) .cse36 8))) (.cse32 (store |v_#memory_$Pointer$.base_415| .cse35 (store (select |v_#memory_$Pointer$.base_415| .cse35) .cse36 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse28 (select (select .cse32 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select .cse27 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse33 (select (select |v_#memory_$Pointer$.base_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ (select (select |v_#memory_$Pointer$.offset_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse30 (select (select |v_#memory_$Pointer$.base_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select |v_#memory_$Pointer$.offset_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse25 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ 40 (select (select .cse24 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse25) .cse26)))) (= (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_28| .cse28) .cse29))) |v_#memory_$Pointer$.offset_28|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#length_40| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_28| .cse30 (store (select |v_#memory_$Pointer$.base_28| .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_29| .cse30) .cse31))) |v_#memory_$Pointer$.base_29|) (= (store .cse32 .cse28 (store (select .cse32 .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_28| .cse28) .cse29))) |v_#memory_$Pointer$.base_28|) (= (store |v_#memory_$Pointer$.base_29| .cse33 (store (select |v_#memory_$Pointer$.base_29| .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_27| .cse33) .cse34))) |v_#memory_$Pointer$.base_27|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_#memory_int_40| (store |v_#memory_int_428| .cse35 (store (select |v_#memory_int_428| .cse35) .cse36 (select (select |v_#memory_int_40| .cse35) .cse36)))) (= |v_#memory_int_39| (let ((.cse37 (let ((.cse40 (let ((.cse41 (store |v_#memory_int_40| .cse28 (store (select |v_#memory_int_40| .cse28) .cse29 32)))) (store .cse41 .cse30 (store (select .cse41 .cse30) .cse31 5))))) (store .cse40 .cse33 (store (select .cse40 .cse33) .cse34 8))))) (store .cse37 .cse38 (store (select .cse37 .cse38) .cse39 (select (select |v_#memory_int_39| .cse38) .cse39))))) (let ((.cse42 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse43 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse42) .cse43) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse42) .cse43) 0)))) (= (store |v_#memory_$Pointer$.offset_29| .cse33 (store (select |v_#memory_$Pointer$.offset_29| .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_27| .cse33) .cse34))) |v_#memory_$Pointer$.offset_27|) (= (store |v_#memory_$Pointer$.offset_28| .cse30 (store (select |v_#memory_$Pointer$.offset_28| .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_29| .cse30) .cse31))) |v_#memory_$Pointer$.offset_29|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse44 .cse25 (store (select .cse44 .cse25) .cse26 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse25) .cse26)))) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0)))))))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 14:53:29,639 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (exists ((|v_#memory_int_429| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_416| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_416| (Array Int (Array Int Int)))) (let ((.cse1 (+ 12 (select (select |v_#memory_$Pointer$.offset_416| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (.cse0 (select (select |v_#memory_$Pointer$.base_416| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_416| .cse0 (store (select |v_#memory_$Pointer$.offset_416| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1)))) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_416| .cse0 (store (select |v_#memory_$Pointer$.base_416| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= (store |v_#memory_int_429| .cse0 (let ((.cse2 (select |v_#memory_int_429| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_13| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_13| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_13|))) (exists ((|v_#memory_int_40| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_415| (Array Int (Array Int Int))) (|v_#memory_int_428| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_415| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_28| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.base_27| (Array Int (Array Int Int))) (|v_#memory_int_39| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_29| (Array Int (Array Int Int))) (|v_#length_40| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_27| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_29| (Array Int (Array Int Int)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 16 (select (select |v_#memory_$Pointer$.offset_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse19 (select (select |v_#memory_$Pointer$.base_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (select (select |v_#memory_$Pointer$.offset_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse23 (store |v_#memory_$Pointer$.offset_27| .cse19 (store (select |v_#memory_$Pointer$.offset_27| .cse19) .cse20 0))) (.cse5 (store |v_#memory_$Pointer$.base_27| .cse19 (store (select |v_#memory_$Pointer$.base_27| .cse19) .cse20 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse8 (store |v_#memory_$Pointer$.offset_415| .cse16 (store (select |v_#memory_$Pointer$.offset_415| .cse16) .cse17 8))) (.cse13 (store |v_#memory_$Pointer$.base_415| .cse16 (store (select |v_#memory_$Pointer$.base_415| .cse16) .cse17 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse9 (select (select .cse13 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse14 (select (select |v_#memory_$Pointer$.base_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ (select (select |v_#memory_$Pointer$.offset_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse11 (select (select |v_#memory_$Pointer$.base_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select |v_#memory_$Pointer$.offset_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse6 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse3) .cse4) 0)))) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse6) .cse7)))) (= (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_28| .cse9) .cse10))) |v_#memory_$Pointer$.offset_28|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#length_40| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_28| .cse11 (store (select |v_#memory_$Pointer$.base_28| .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_29| .cse11) .cse12))) |v_#memory_$Pointer$.base_29|) (= (store .cse13 .cse9 (store (select .cse13 .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_28| .cse9) .cse10))) |v_#memory_$Pointer$.base_28|) (= (store |v_#memory_$Pointer$.base_29| .cse14 (store (select |v_#memory_$Pointer$.base_29| .cse14) .cse15 (select (select |v_#memory_$Pointer$.base_27| .cse14) .cse15))) |v_#memory_$Pointer$.base_27|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_#memory_int_40| (store |v_#memory_int_428| .cse16 (store (select |v_#memory_int_428| .cse16) .cse17 (select (select |v_#memory_int_40| .cse16) .cse17)))) (= |v_#memory_int_39| (let ((.cse18 (let ((.cse21 (let ((.cse22 (store |v_#memory_int_40| .cse9 (store (select |v_#memory_int_40| .cse9) .cse10 32)))) (store .cse22 .cse11 (store (select .cse22 .cse11) .cse12 5))))) (store .cse21 .cse14 (store (select .cse21 .cse14) .cse15 8))))) (store .cse18 .cse19 (store (select .cse18 .cse19) .cse20 (select (select |v_#memory_int_39| .cse19) .cse20))))) (= (store |v_#memory_$Pointer$.offset_29| .cse14 (store (select |v_#memory_$Pointer$.offset_29| .cse14) .cse15 (select (select |v_#memory_$Pointer$.offset_27| .cse14) .cse15))) |v_#memory_$Pointer$.offset_27|) (= (store |v_#memory_$Pointer$.offset_28| .cse11 (store (select |v_#memory_$Pointer$.offset_28| .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_29| .cse11) .cse12))) |v_#memory_$Pointer$.offset_29|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| (store .cse23 .cse6 (store (select .cse23 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_17| .cse6) .cse7)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0))))))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_14| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_14| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_14|))) (exists ((|v_#memory_int_40| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_415| (Array Int (Array Int Int))) (|v_#memory_int_428| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_415| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_28| (Array Int (Array Int Int))) (|v_#valid_71| (Array Int Int)) (|v_#memory_$Pointer$.base_27| (Array Int (Array Int Int))) (|v_#memory_int_39| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_29| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (Array Int (Array Int Int))) (|v_#length_40| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.offset_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_27| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_29| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (Array Int (Array Int Int)))) (let ((.cse35 (select (select |v_#memory_$Pointer$.base_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ 16 (select (select |v_#memory_$Pointer$.offset_415| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse38 (select (select |v_#memory_$Pointer$.base_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.offset_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse24 (store |v_#memory_$Pointer$.offset_27| .cse38 (store (select |v_#memory_$Pointer$.offset_27| .cse38) .cse39 0))) (.cse44 (store |v_#memory_$Pointer$.base_27| .cse38 (store (select |v_#memory_$Pointer$.base_27| .cse38) .cse39 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse27 (store |v_#memory_$Pointer$.offset_415| .cse35 (store (select |v_#memory_$Pointer$.offset_415| .cse35) .cse36 8))) (.cse32 (store |v_#memory_$Pointer$.base_415| .cse35 (store (select |v_#memory_$Pointer$.base_415| .cse35) .cse36 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse28 (select (select .cse32 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select .cse27 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse33 (select (select |v_#memory_$Pointer$.base_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ (select (select |v_#memory_$Pointer$.offset_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse30 (select (select |v_#memory_$Pointer$.base_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select |v_#memory_$Pointer$.offset_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse25 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ 40 (select (select .cse24 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse25) .cse26)))) (= (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_28| .cse28) .cse29))) |v_#memory_$Pointer$.offset_28|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#length_40| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (= (store |v_#memory_$Pointer$.base_28| .cse30 (store (select |v_#memory_$Pointer$.base_28| .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_29| .cse30) .cse31))) |v_#memory_$Pointer$.base_29|) (= (store .cse32 .cse28 (store (select .cse32 .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_28| .cse28) .cse29))) |v_#memory_$Pointer$.base_28|) (= (store |v_#memory_$Pointer$.base_29| .cse33 (store (select |v_#memory_$Pointer$.base_29| .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_27| .cse33) .cse34))) |v_#memory_$Pointer$.base_27|) (= |c_#valid| (store |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_#memory_int_40| (store |v_#memory_int_428| .cse35 (store (select |v_#memory_int_428| .cse35) .cse36 (select (select |v_#memory_int_40| .cse35) .cse36)))) (= |v_#memory_int_39| (let ((.cse37 (let ((.cse40 (let ((.cse41 (store |v_#memory_int_40| .cse28 (store (select |v_#memory_int_40| .cse28) .cse29 32)))) (store .cse41 .cse30 (store (select .cse41 .cse30) .cse31 5))))) (store .cse40 .cse33 (store (select .cse40 .cse33) .cse34 8))))) (store .cse37 .cse38 (store (select .cse37 .cse38) .cse39 (select (select |v_#memory_int_39| .cse38) .cse39))))) (let ((.cse42 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse43 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse42) .cse43) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_18| .cse42) .cse43) 0)))) (= (store |v_#memory_$Pointer$.offset_29| .cse33 (store (select |v_#memory_$Pointer$.offset_29| .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_27| .cse33) .cse34))) |v_#memory_$Pointer$.offset_27|) (= (store |v_#memory_$Pointer$.offset_28| .cse30 (store (select |v_#memory_$Pointer$.offset_28| .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_29| .cse30) .cse31))) |v_#memory_$Pointer$.offset_29|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| (store .cse44 .cse25 (store (select .cse44 .cse25) .cse26 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_18| .cse25) .cse26)))) (= (select |v_#valid_71| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0)))))))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse49 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse50 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse45 (= .cse50 0)) (.cse46 (= .cse49 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse45 .cse46)) (and (not .cse45) (let ((.cse47 (= .cse49 .cse50))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse47) (let ((.cse48 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse47) (<= .cse48 .cse49) (<= .cse48 .cse50))))) (not .cse46)))))) is different from false [2023-12-02 14:53:50,592 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2221#(and (<= 1 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (exists ((|v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_16| Int)) (and (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_16|) 4) 0)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_16|) 0) 0))) (not (= |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_16| 0)))) (= ~count_int_int~0 1))' at error location [2023-12-02 14:53:50,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:53:50,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:53:50,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-02 14:53:50,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978292647] [2023-12-02 14:53:50,593 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:53:50,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:53:50,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:53:50,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:53:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=779, Unknown=47, NotChecked=118, Total=1056 [2023-12-02 14:53:50,595 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 14:53:52,625 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 14:53:54,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:56,722 WARN L539 Checker$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 14:53:58,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:00,760 WARN L539 Checker$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 14:54:02,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:04,923 WARN L539 Checker$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 14:54:06,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:08,946 WARN L539 Checker$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 14:54:10,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:12,976 WARN L539 Checker$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 14:54:15,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:17,066 WARN L539 Checker$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 14:54:19,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:21,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:23,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:25,134 WARN L539 Checker$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 14:54:27,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:29,159 WARN L539 Checker$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 14:54:32,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:54:34,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:54:34,784 INFO L93 Difference]: Finished difference Result 266 states and 338 transitions. [2023-12-02 14:54:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:54:34,785 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 14:54:34,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:54:34,787 INFO L225 Difference]: With dead ends: 266 [2023-12-02 14:54:34,787 INFO L226 Difference]: Without dead ends: 238 [2023-12-02 14:54:34,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 236.6s TimeCoverageRelationStatistics Valid=112, Invalid=779, Unknown=47, NotChecked=118, Total=1056 [2023-12-02 14:54:34,789 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 153 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:54:34,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 406 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 19 Unknown, 0 Unchecked, 44.2s Time] [2023-12-02 14:54:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-12-02 14:54:34,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-12-02 14:54:34,818 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 14:54:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2023-12-02 14:54:34,821 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 49 [2023-12-02 14:54:34,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:54:34,821 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2023-12-02 14:54:34,821 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 14:54:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2023-12-02 14:54:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 14:54:34,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:54:34,827 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 14:54:34,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 14:54:35,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:54:35,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:54:35,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:54:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1799086160, now seen corresponding path program 1 times [2023-12-02 14:54:35,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:54:35,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117017631] [2023-12-02 14:54:35,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:35,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:54:35,181 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:54:35,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556653414] [2023-12-02 14:54:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:35,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:54:35,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:54:35,183 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:54:35,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74be7c44-fdd5-4d25-83d6-64dc66266c4a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 14:54:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:35,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 14:54:35,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:36,096 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 14:54:36,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:36,372 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 14:54:36,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:54:36,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117017631] [2023-12-02 14:54:36,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:54:36,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556653414] [2023-12-02 14:54:36,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556653414] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:54:36,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1006567072] [2023-12-02 14:54:36,377 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2023-12-02 14:54:36,377 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:54:36,377 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:54:36,378 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:54:36,378 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:55:04,910 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2023-12-02 14:55:04,920 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 206 for LOIs [2023-12-02 14:55:05,128 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:55:19,993 WARN L293 SmtUtils]: Spent 9.75s 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 14:55:28,797 WARN L293 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:56:39,815 WARN L293 SmtUtils]: Spent 28.33s 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 14:56:41,834 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (or (and (exists ((|v_#memory_int_40| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_539| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_539| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_27| (Array Int (Array Int Int))) (|v_#valid_92| (Array Int Int)) (|v_#memory_int_39| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_29| (Array Int (Array Int Int))) (|v_#length_61| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_32| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.offset_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_27| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_29| (Array Int (Array Int Int))) (|v_#memory_int_570| (Array Int (Array Int Int)))) (let ((.cse17 (select (select |v_#memory_$Pointer$.base_539| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 16 (select (select |v_#memory_$Pointer$.offset_539| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse9 (select (select |v_#memory_$Pointer$.base_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (select (select |v_#memory_$Pointer$.offset_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_27| .cse9 (store (select |v_#memory_$Pointer$.offset_27| .cse9) .cse10 0))) (.cse0 (store |v_#memory_$Pointer$.base_27| .cse9 (store (select |v_#memory_$Pointer$.base_27| .cse9) .cse10 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse3 (store |v_#memory_$Pointer$.offset_539| .cse17 (store (select |v_#memory_$Pointer$.offset_539| .cse17) .cse18 8))) (.cse19 (store |v_#memory_$Pointer$.base_539| .cse17 (store (select |v_#memory_$Pointer$.base_539| .cse17) .cse18 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse4 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 40 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse12 (select (select |v_#memory_$Pointer$.base_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select |v_#memory_$Pointer$.offset_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse15 (select (select |v_#memory_$Pointer$.base_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ (select (select |v_#memory_$Pointer$.offset_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (= (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse1) .cse2))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_32|) (= (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_28| .cse4) .cse5))) |v_#memory_$Pointer$.offset_28|) (let ((.cse6 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse6) .cse7) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_32| .cse6) .cse7) 0)))) (= |v_#memory_int_39| (let ((.cse8 (let ((.cse11 (let ((.cse14 (store |v_#memory_int_40| .cse4 (store (select |v_#memory_int_40| .cse4) .cse5 32)))) (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 5))))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 8))))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 (select (select |v_#memory_int_39| .cse9) .cse10))))) (= (select |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store |v_#memory_int_570| .cse17 (store (select |v_#memory_int_570| .cse17) .cse18 (select (select |v_#memory_int_40| .cse17) .cse18))) |v_#memory_int_40|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store .cse19 .cse4 (store (select .cse19 .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_28| .cse4) .cse5))) |v_#memory_$Pointer$.base_28|) (= (store |v_#memory_$Pointer$.base_28| .cse15 (store (select |v_#memory_$Pointer$.base_28| .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_29| .cse15) .cse16))) |v_#memory_$Pointer$.base_29|) (= (store |v_#memory_$Pointer$.base_29| .cse12 (store (select |v_#memory_$Pointer$.base_29| .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_27| .cse12) .cse13))) |v_#memory_$Pointer$.base_27|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| (store .cse20 .cse1 (store (select .cse20 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_32| .cse1) .cse2)))) (= (store |v_#memory_$Pointer$.offset_29| .cse12 (store (select |v_#memory_$Pointer$.offset_29| .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_27| .cse12) .cse13))) |v_#memory_$Pointer$.offset_27|) (= (store |v_#memory_$Pointer$.offset_28| .cse15 (store (select |v_#memory_$Pointer$.offset_28| .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_29| .cse15) .cse16))) |v_#memory_$Pointer$.offset_29|) (= (store |v_#length_61| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_26| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_26|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_26| 4294967296))))) (and (exists ((|v_#memory_int_40| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_539| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_539| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_27| (Array Int (Array Int Int))) (|v_#valid_92| (Array Int Int)) (|v_#memory_int_39| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_29| (Array Int (Array Int Int))) (|v_#length_61| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_31| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_28| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_27| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_29| (Array Int (Array Int Int))) (|v_#memory_int_570| (Array Int (Array Int Int)))) (let ((.cse38 (select (select |v_#memory_$Pointer$.base_539| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (+ 16 (select (select |v_#memory_$Pointer$.offset_539| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse30 (select (select |v_#memory_$Pointer$.base_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (select (select |v_#memory_$Pointer$.offset_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse23 (store |v_#memory_$Pointer$.offset_27| .cse30 (store (select |v_#memory_$Pointer$.offset_27| .cse30) .cse31 0))) (.cse41 (store |v_#memory_$Pointer$.base_27| .cse30 (store (select |v_#memory_$Pointer$.base_27| .cse30) .cse31 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse26 (store |v_#memory_$Pointer$.offset_539| .cse38 (store (select |v_#memory_$Pointer$.offset_539| .cse38) .cse39 8))) (.cse40 (store |v_#memory_$Pointer$.base_539| .cse38 (store (select |v_#memory_$Pointer$.base_539| .cse38) .cse39 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse27 (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse33 (select (select |v_#memory_$Pointer$.base_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ (select (select |v_#memory_$Pointer$.offset_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse24 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse36 (select (select |v_#memory_$Pointer$.base_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (+ (select (select |v_#memory_$Pointer$.offset_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8))) (and (let ((.cse21 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse21) .cse22) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse21) .cse22) 0)))) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_31| .cse24) .cse25)))) (= (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_28| .cse27) .cse28))) |v_#memory_$Pointer$.offset_28|) (= |v_#memory_int_39| (let ((.cse29 (let ((.cse32 (let ((.cse35 (store |v_#memory_int_40| .cse27 (store (select |v_#memory_int_40| .cse27) .cse28 32)))) (store .cse35 .cse36 (store (select .cse35 .cse36) .cse37 5))))) (store .cse32 .cse33 (store (select .cse32 .cse33) .cse34 8))))) (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 (select (select |v_#memory_int_39| .cse30) .cse31))))) (= (select |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store |v_#memory_int_570| .cse38 (store (select |v_#memory_int_570| .cse38) .cse39 (select (select |v_#memory_int_40| .cse38) .cse39))) |v_#memory_int_40|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store .cse40 .cse27 (store (select .cse40 .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_28| .cse27) .cse28))) |v_#memory_$Pointer$.base_28|) (= (store |v_#memory_$Pointer$.base_28| .cse36 (store (select |v_#memory_$Pointer$.base_28| .cse36) .cse37 (select (select |v_#memory_$Pointer$.base_29| .cse36) .cse37))) |v_#memory_$Pointer$.base_29|) (= (store |v_#memory_$Pointer$.base_29| .cse33 (store (select |v_#memory_$Pointer$.base_29| .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_27| .cse33) .cse34))) |v_#memory_$Pointer$.base_27|) (= (store |v_#memory_$Pointer$.offset_29| .cse33 (store (select |v_#memory_$Pointer$.offset_29| .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_27| .cse33) .cse34))) |v_#memory_$Pointer$.offset_27|) (= (store .cse41 .cse24 (store (select .cse41 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_31| .cse24) .cse25))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_31|) (= (store |v_#memory_$Pointer$.offset_28| .cse36 (store (select |v_#memory_$Pointer$.offset_28| .cse36) .cse37 (select (select |v_#memory_$Pointer$.offset_29| .cse36) .cse37))) |v_#memory_$Pointer$.offset_29|) (= (store |v_#length_61| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_25| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_25|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr210_BEFORE_RETURN_25| 4294967296)))))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 14:57:37,970 WARN L293 SmtUtils]: Spent 16.58s 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 14:57:49,227 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3740#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_31| Int)) (and (not (= |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_31| 0)) (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_31|) 0) 0)) (not (= 0 (select (select |#memory_int| |v_ULTIMATE.start_main_~users~0#1.base_BEFORE_CALL_31|) 4)))))) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (= ~count_int_int~0 1))' at error location [2023-12-02 14:57:49,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:57:49,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:57:49,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-12-02 14:57:49,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003583800] [2023-12-02 14:57:49,228 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:57:49,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 14:57:49,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:57:49,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 14:57:49,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1269, Unknown=46, NotChecked=74, Total=1560 [2023-12-02 14:57:49,232 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 14:57:51,292 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 14:57:53,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:57:55,433 WARN L539 Checker$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 14:57:57,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:57:59,482 WARN L539 Checker$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 14:58:01,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:03,595 WARN L539 Checker$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 14:58:05,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:07,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:09,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:11,677 WARN L539 Checker$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 14:58:13,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:15,799 WARN L539 Checker$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 14:58:17,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:19,816 WARN L539 Checker$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 14:58:21,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:23,843 WARN L539 Checker$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 14:58:25,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:27,856 WARN L539 Checker$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 14:58:29,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:31,939 WARN L539 Checker$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 14:58:33,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:35,968 WARN L539 Checker$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 14:58:37,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:40,006 WARN L539 Checker$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 14:58:42,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:44,040 WARN L539 Checker$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 14:58:46,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:48,075 WARN L539 Checker$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 14:58:50,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:52,230 WARN L539 Checker$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 14:58:54,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:58:56,253 WARN L539 Checker$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 14:58:58,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:00,290 WARN L539 Checker$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 14:59:02,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:04,337 WARN L539 Checker$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 14:59:06,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:08,378 WARN L539 Checker$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 14:59:10,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:12,404 WARN L539 Checker$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 14:59:14,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:16,500 WARN L539 Checker$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 14:59:18,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:20,527 WARN L539 Checker$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 14:59:22,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:24,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:26,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:28,604 WARN L539 Checker$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 14:59:30,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:32,628 WARN L539 Checker$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 14:59:34,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:36,656 WARN L539 Checker$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 14:59:38,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:40,677 WARN L539 Checker$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 14:59:42,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:44,787 WARN L539 Checker$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 14:59:46,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:48,811 WARN L539 Checker$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 14:59:50,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:52,848 WARN L539 Checker$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 14:59:54,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:59:56,875 WARN L539 Checker$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 14:59:58,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:00,913 WARN L539 Checker$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 15:00:02,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:04,941 WARN L539 Checker$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 15:00:06,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:08,966 WARN L539 Checker$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 15:00:10,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:12,985 WARN L539 Checker$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 15:00:15,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:17,083 WARN L539 Checker$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 15:00:19,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:21,106 WARN L539 Checker$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 15:00:23,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:25,137 WARN L539 Checker$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 15:00:27,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:29,164 WARN L539 Checker$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 15:00:31,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:33,204 WARN L539 Checker$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 15:00:35,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:00:37,221 WARN L539 Checker$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 15:00:39,229 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 []