./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/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_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:30:46,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:30:46,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 08:30:46,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:30:46,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:30:46,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:30:46,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:30:46,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:30:46,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:30:46,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:30:46,321 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:30:46,322 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:30:46,322 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:30:46,322 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:30:46,323 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:30:46,323 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:30:46,324 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:30:46,324 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:30:46,325 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:30:46,325 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:30:46,326 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:30:46,327 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:30:46,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:30:46,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:30:46,328 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 08:30:46,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:30:46,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 08:30:46,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:30:46,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:30:46,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:30:46,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:30:46,331 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 08:30:46,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 08:30:46,332 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 08:30:46,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:30:46,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:30:46,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:30:46,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:30:46,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:30:46,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:30:46,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:30:46,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:30:46,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:30:46,335 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:30:46,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:30:46,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:30:46,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:30:46,335 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:30:46,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:30:46,336 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_5f6e4589-fd32-40cf-beec-fe05ee810e9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2023-12-02 08:30:46,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:30:46,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:30:46,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:30:46,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:30:46,588 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:30:46,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2023-12-02 08:30:49,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:30:49,675 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:30:49,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2023-12-02 08:30:49,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/data/dfddc92a5/097cd4cebc754be4b2329e38149e0b97/FLAG62c9b3dd2 [2023-12-02 08:30:49,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/data/dfddc92a5/097cd4cebc754be4b2329e38149e0b97 [2023-12-02 08:30:49,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:30:49,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:30:49,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:30:49,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:30:49,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:30:49,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:30:49" (1/1) ... [2023-12-02 08:30:49,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71042bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:49, skipping insertion in model container [2023-12-02 08:30:49,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:30:49" (1/1) ... [2023-12-02 08:30:49,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:30:50,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:30:50,303 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:30:50,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:30:50,436 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:30:50,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50 WrapperNode [2023-12-02 08:30:50,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:30:50,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:30:50,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:30:50,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:30:50,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,546 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1817 [2023-12-02 08:30:50,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:30:50,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:30:50,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:30:50,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:30:50,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:30:50,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:30:50,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:30:50,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:30:50,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (1/1) ... [2023-12-02 08:30:50,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:30:50,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:30:50,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:30:50,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:30:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 08:30:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 08:30:50,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 08:30:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 08:30:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 08:30:50,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 08:30:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 08:30:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:30:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 08:30:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 08:30:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 08:30:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 08:30:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:30:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:30:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:30:51,030 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:30:51,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:30:52,862 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:30:54,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:30:54,426 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 08:30:54,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:30:54 BoogieIcfgContainer [2023-12-02 08:30:54,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:30:54,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:30:54,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:30:54,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:30:54,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:30:49" (1/3) ... [2023-12-02 08:30:54,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52543ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:30:54, skipping insertion in model container [2023-12-02 08:30:54,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:30:50" (2/3) ... [2023-12-02 08:30:54,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52543ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:30:54, skipping insertion in model container [2023-12-02 08:30:54,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:30:54" (3/3) ... [2023-12-02 08:30:54,436 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-3.i [2023-12-02 08:30:54,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:30:54,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-12-02 08:30:54,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:30:54,516 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;@79f5dd70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:30:54,516 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-12-02 08:30:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 162 states have internal predecessors, (256), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 08:30:54,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 08:30:54,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:30:54,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-02 08:30:54,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:30:54,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:30:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1856523, now seen corresponding path program 1 times [2023-12-02 08:30:54,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:30:54,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995950285] [2023-12-02 08:30:54,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:30:54,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:30:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:30:54,713 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 08:30:54,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:30:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995950285] [2023-12-02 08:30:54,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995950285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:30:54,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:30:54,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 08:30:54,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040636490] [2023-12-02 08:30:54,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:30:54,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 08:30:54,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:30:54,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 08:30:54,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 08:30:54,751 INFO L87 Difference]: Start difference. First operand has 171 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 162 states have internal predecessors, (256), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:30:56,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:30:58,834 WARN L539 Checker$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 08:31:00,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:02,996 WARN L539 Checker$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 08:31:04,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:31:04,443 INFO L93 Difference]: Finished difference Result 340 states and 575 transitions. [2023-12-02 08:31:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 08:31:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-12-02 08:31:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:31:04,459 INFO L225 Difference]: With dead ends: 340 [2023-12-02 08:31:04,459 INFO L226 Difference]: Without dead ends: 141 [2023-12-02 08:31:04,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 08:31:04,466 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-12-02 08:31:04,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 4 Unknown, 0 Unchecked, 9.6s Time] [2023-12-02 08:31:04,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-12-02 08:31:04,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-12-02 08:31:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 118 states have (on average 1.228813559322034) internal successors, (145), 132 states have internal predecessors, (145), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 08:31:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 177 transitions. [2023-12-02 08:31:04,518 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 177 transitions. Word has length 3 [2023-12-02 08:31:04,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:31:04,518 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 177 transitions. [2023-12-02 08:31:04,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:31:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2023-12-02 08:31:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 08:31:04,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:31:04,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 08:31:04,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 08:31:04,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:31:04,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:31:04,520 INFO L85 PathProgramCache]: Analyzing trace with hash 57552272, now seen corresponding path program 1 times [2023-12-02 08:31:04,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:31:04,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774356151] [2023-12-02 08:31:04,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:31:04,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:31:04,548 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:31:04,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014275262] [2023-12-02 08:31:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:31:04,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:31:04,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:31:04,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:31:04,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 08:31:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:31:04,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:31:04,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:31:04,825 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 08:31:04,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:31:04,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:31:04,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774356151] [2023-12-02 08:31:04,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 08:31:04,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014275262] [2023-12-02 08:31:04,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014275262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:31:04,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:31:04,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 08:31:04,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372337877] [2023-12-02 08:31:04,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:31:04,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:31:04,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:31:04,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:31:04,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:31:04,830 INFO L87 Difference]: Start difference. First operand 141 states and 177 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:31:06,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:08,901 WARN L539 Checker$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 08:31:10,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:12,987 WARN L539 Checker$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 08:31:15,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:17,063 WARN L539 Checker$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 08:31:19,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:21,084 WARN L539 Checker$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 08:31:23,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:25,185 WARN L539 Checker$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 08:31:27,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:29,214 WARN L539 Checker$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 08:31:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:31:30,930 INFO L93 Difference]: Finished difference Result 278 states and 350 transitions. [2023-12-02 08:31:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:31:30,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-02 08:31:30,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:31:30,936 INFO L225 Difference]: With dead ends: 278 [2023-12-02 08:31:30,936 INFO L226 Difference]: Without dead ends: 249 [2023-12-02 08:31:30,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:31:30,937 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 109 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-12-02 08:31:30,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 306 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 12 Unknown, 0 Unchecked, 26.1s Time] [2023-12-02 08:31:30,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-12-02 08:31:30,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 144. [2023-12-02 08:31:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 121 states have (on average 1.2231404958677685) internal successors, (148), 135 states have internal predecessors, (148), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 08:31:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 180 transitions. [2023-12-02 08:31:30,952 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 180 transitions. Word has length 4 [2023-12-02 08:31:30,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:31:30,952 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 180 transitions. [2023-12-02 08:31:30,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:31:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 180 transitions. [2023-12-02 08:31:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 08:31:30,955 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:31:30,955 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:31:30,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 08:31:31,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:31:31,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:31:31,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:31:31,157 INFO L85 PathProgramCache]: Analyzing trace with hash 204401566, now seen corresponding path program 1 times [2023-12-02 08:31:31,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:31:31,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069355177] [2023-12-02 08:31:31,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:31:31,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:31:31,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:31:31,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974570506] [2023-12-02 08:31:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:31:31,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:31:31,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:31:31,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:31:31,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 08:31:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:31:31,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:31:31,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:31:31,896 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 08:31:31,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:31:31,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:31:31,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069355177] [2023-12-02 08:31:31,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 08:31:31,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974570506] [2023-12-02 08:31:31,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974570506] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:31:31,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:31:31,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 08:31:31,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87661387] [2023-12-02 08:31:31,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:31:31,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:31:31,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:31:31,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:31:31,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:31:31,899 INFO L87 Difference]: Start difference. First operand 144 states and 180 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:31:33,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:35,933 WARN L539 Checker$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 08:31:37,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:39,954 WARN L539 Checker$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 08:31:42,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:44,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:46,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:48,070 WARN L539 Checker$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 08:31:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:31:49,681 INFO L93 Difference]: Finished difference Result 144 states and 180 transitions. [2023-12-02 08:31:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:31:49,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2023-12-02 08:31:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:31:49,685 INFO L225 Difference]: With dead ends: 144 [2023-12-02 08:31:49,685 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 08:31:49,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 08:31:49,687 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 87 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-12-02 08:31:49,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 304 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 8 Unknown, 0 Unchecked, 17.8s Time] [2023-12-02 08:31:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 08:31:49,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-12-02 08:31:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 134 states have internal predecessors, (147), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 08:31:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 179 transitions. [2023-12-02 08:31:49,702 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 179 transitions. Word has length 56 [2023-12-02 08:31:49,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:31:49,703 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 179 transitions. [2023-12-02 08:31:49,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:31:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions. [2023-12-02 08:31:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 08:31:49,706 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:31:49,706 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, 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 08:31:49,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 08:31:49,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:31:49,907 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:31:49,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:31:49,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2041482715, now seen corresponding path program 1 times [2023-12-02 08:31:49,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:31:49,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794375181] [2023-12-02 08:31:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:31:49,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:31:50,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:31:50,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843705327] [2023-12-02 08:31:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:31:50,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:31:50,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:31:50,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:31:50,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 08:31:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:31:50,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 08:31:50,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:31:50,608 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 08:31:50,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:31:50,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:31:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794375181] [2023-12-02 08:31:50,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 08:31:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843705327] [2023-12-02 08:31:50,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843705327] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:31:50,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:31:50,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 08:31:50,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072710475] [2023-12-02 08:31:50,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:31:50,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:31:50,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:31:50,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:31:50,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:31:50,611 INFO L87 Difference]: Start difference. First operand 143 states and 179 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:31:52,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:54,642 WARN L539 Checker$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 08:31:56,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:31:58,661 WARN L539 Checker$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 08:32:00,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:02,795 WARN L539 Checker$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 08:32:04,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:06,819 WARN L539 Checker$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 08:32:08,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:10,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:12,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:14,946 WARN L539 Checker$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 08:32:16,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:18,960 WARN L539 Checker$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 08:32:21,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:23,031 WARN L539 Checker$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 08:32:25,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:27,053 WARN L539 Checker$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 08:32:29,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:31,072 WARN L539 Checker$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 08:32:34,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 08:32:36,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 08:32:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:32:37,549 INFO L93 Difference]: Finished difference Result 247 states and 299 transitions. [2023-12-02 08:32:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:32:37,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-02 08:32:37,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:32:37,559 INFO L225 Difference]: With dead ends: 247 [2023-12-02 08:32:37,559 INFO L226 Difference]: Without dead ends: 246 [2023-12-02 08:32:37,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 08:32:37,560 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 56 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2023-12-02 08:32:37,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 466 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 20 Unknown, 0 Unchecked, 46.9s Time] [2023-12-02 08:32:37,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-12-02 08:32:37,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2023-12-02 08:32:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 218 states have (on average 1.165137614678899) internal successors, (254), 231 states have internal predecessors, (254), 22 states have call successors, (22), 2 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 08:32:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 298 transitions. [2023-12-02 08:32:37,575 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 298 transitions. Word has length 57 [2023-12-02 08:32:37,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:32:37,575 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 298 transitions. [2023-12-02 08:32:37,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:32:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 298 transitions. [2023-12-02 08:32:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 08:32:37,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:32:37,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:32:37,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 08:32:37,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:32:37,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:32:37,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:32:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1076851799, now seen corresponding path program 1 times [2023-12-02 08:32:37,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:32:37,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189107031] [2023-12-02 08:32:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:32:37,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:32:37,895 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:32:37,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303169136] [2023-12-02 08:32:37,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:32:37,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:32:37,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:32:37,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:32:37,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 08:32:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:32:38,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 08:32:38,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:32:38,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 08:32:38,419 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:32:38,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:32:38,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189107031] [2023-12-02 08:32:38,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 08:32:38,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303169136] [2023-12-02 08:32:38,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303169136] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:32:38,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:32:38,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 08:32:38,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18318718] [2023-12-02 08:32:38,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:32:38,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:32:38,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:32:38,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:32:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:32:38,422 INFO L87 Difference]: Start difference. First operand 246 states and 298 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:32:40,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:42,460 WARN L539 Checker$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 08:32:44,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:46,561 WARN L539 Checker$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 08:32:48,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:50,582 WARN L539 Checker$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 08:32:52,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:54,701 WARN L539 Checker$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 08:32:56,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:32:58,725 WARN L539 Checker$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 08:33:00,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:33:00,458 INFO L93 Difference]: Finished difference Result 463 states and 563 transitions. [2023-12-02 08:33:00,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:33:00,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2023-12-02 08:33:00,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:33:00,464 INFO L225 Difference]: With dead ends: 463 [2023-12-02 08:33:00,464 INFO L226 Difference]: Without dead ends: 244 [2023-12-02 08:33:00,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 08:33:00,466 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:33:00,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 10 Unknown, 0 Unchecked, 22.0s Time] [2023-12-02 08:33:00,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-12-02 08:33:00,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2023-12-02 08:33:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 216 states have (on average 1.162037037037037) internal successors, (251), 229 states have internal predecessors, (251), 22 states have call successors, (22), 2 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 08:33:00,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 295 transitions. [2023-12-02 08:33:00,484 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 295 transitions. Word has length 60 [2023-12-02 08:33:00,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:33:00,484 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 295 transitions. [2023-12-02 08:33:00,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 08:33:00,485 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 295 transitions. [2023-12-02 08:33:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 08:33:00,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:33:00,488 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:33:00,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 08:33:00,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:33:00,688 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:33:00,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:33:00,689 INFO L85 PathProgramCache]: Analyzing trace with hash 283583612, now seen corresponding path program 1 times [2023-12-02 08:33:00,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:33:00,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399389994] [2023-12-02 08:33:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:00,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:33:00,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:33:00,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968410562] [2023-12-02 08:33:00,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:00,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:33:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:33:00,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:33:00,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 08:33:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:33:01,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 08:33:01,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:33:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 08:33:01,512 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:33:01,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:33:01,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399389994] [2023-12-02 08:33:01,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 08:33:01,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968410562] [2023-12-02 08:33:01,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968410562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:33:01,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:33:01,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 08:33:01,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152783703] [2023-12-02 08:33:01,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:33:01,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 08:33:01,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:33:01,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 08:33:01,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 08:33:01,516 INFO L87 Difference]: Start difference. First operand 244 states and 295 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 08:33:03,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:33:05,565 WARN L539 Checker$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 08:33:07,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:33:09,665 WARN L539 Checker$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 08:33:12,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:33:14,273 WARN L539 Checker$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 08:33:16,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:33:18,298 WARN L539 Checker$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 08:33:20,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:33:22,343 WARN L539 Checker$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 08:33:24,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:33:26,362 WARN L539 Checker$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 08:33:27,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:33:27,845 INFO L93 Difference]: Finished difference Result 411 states and 502 transitions. [2023-12-02 08:33:27,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 08:33:27,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2023-12-02 08:33:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:33:27,851 INFO L225 Difference]: With dead ends: 411 [2023-12-02 08:33:27,851 INFO L226 Difference]: Without dead ends: 242 [2023-12-02 08:33:27,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 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 08:33:27,852 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 30 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2023-12-02 08:33:27,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 286 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 12 Unknown, 0 Unchecked, 26.3s Time] [2023-12-02 08:33:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-12-02 08:33:27,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2023-12-02 08:33:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 214 states have (on average 1.158878504672897) internal successors, (248), 227 states have internal predecessors, (248), 22 states have call successors, (22), 2 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 08:33:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 292 transitions. [2023-12-02 08:33:27,868 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 292 transitions. Word has length 73 [2023-12-02 08:33:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:33:27,869 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 292 transitions. [2023-12-02 08:33:27,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 08:33:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 292 transitions. [2023-12-02 08:33:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 08:33:27,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:33:27,871 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 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 08:33:27,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 08:33:28,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:33:28,072 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:33:28,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:33:28,072 INFO L85 PathProgramCache]: Analyzing trace with hash 568750599, now seen corresponding path program 1 times [2023-12-02 08:33:28,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:33:28,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145096322] [2023-12-02 08:33:28,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:28,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:33:28,186 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:33:28,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547631966] [2023-12-02 08:33:28,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:33:28,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:33:28,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:33:28,188 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:33:28,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 08:38:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:38:14,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 08:38:14,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:38:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 08:38:14,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 08:38:14,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:38:14,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145096322] [2023-12-02 08:38:14,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 08:38:14,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547631966] [2023-12-02 08:38:14,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547631966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:38:14,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:38:14,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 08:38:14,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8816320] [2023-12-02 08:38:14,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:38:14,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 08:38:14,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:38:14,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 08:38:14,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 08:38:14,593 INFO L87 Difference]: Start difference. First operand 242 states and 292 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:38:16,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:18,633 WARN L539 Checker$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 08:38:20,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:22,653 WARN L539 Checker$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 08:38:24,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:26,677 WARN L539 Checker$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 08:38:28,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:30,846 WARN L539 Checker$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 08:38:32,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:34,871 WARN L539 Checker$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 08:38:36,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 08:38:38,889 WARN L539 Checker$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 08:38:41,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 08:38:42,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 08:38:44,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 08:38:46,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:38:46,174 INFO L93 Difference]: Finished difference Result 465 states and 575 transitions. [2023-12-02 08:38:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 08:38:46,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2023-12-02 08:38:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:38:46,182 INFO L225 Difference]: With dead ends: 465 [2023-12-02 08:38:46,182 INFO L226 Difference]: Without dead ends: 244 [2023-12-02 08:38:46,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 08:38:46,183 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2023-12-02 08:38:46,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 14 Unknown, 0 Unchecked, 31.5s Time] [2023-12-02 08:38:46,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-12-02 08:38:46,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2023-12-02 08:38:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 215 states have (on average 1.1627906976744187) internal successors, (250), 229 states have internal predecessors, (250), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2023-12-02 08:38:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 298 transitions. [2023-12-02 08:38:46,203 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 298 transitions. Word has length 86 [2023-12-02 08:38:46,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:38:46,203 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 298 transitions. [2023-12-02 08:38:46,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 08:38:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 298 transitions. [2023-12-02 08:38:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 08:38:46,205 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:38:46,206 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 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 08:38:46,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 08:38:46,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 08:38:46,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-12-02 08:38:46,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:38:46,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1174906391, now seen corresponding path program 1 times [2023-12-02 08:38:46,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:38:46,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250738448] [2023-12-02 08:38:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:38:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:38:46,532 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:38:46,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220882233] [2023-12-02 08:38:46,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:38:46,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:38:46,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:38:46,534 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:38:46,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6e4589-fd32-40cf-beec-fe05ee810e9f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 08:41:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:41:12,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 08:41:12,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 08:41:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 08:41:12,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 08:41:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 08:41:12,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:41:12,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250738448] [2023-12-02 08:41:12,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 08:41:12,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220882233] [2023-12-02 08:41:12,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220882233] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 08:41:12,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [553088017] [2023-12-02 08:41:12,720 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2023-12-02 08:41:12,720 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 08:41:12,724 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 08:41:12,729 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 08:41:12,729 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 08:42:18,333 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 87 for LOIs [2023-12-02 08:42:18,368 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 08:43:41,110 WARN L293 SmtUtils]: Spent 54.88s on a formula simplification that was a NOOP. DAG size: 282 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:44:40,703 WARN L293 SmtUtils]: Spent 45.82s on a formula simplification that was a NOOP. DAG size: 291 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 08:44:42,721 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse5 (exists ((|v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_17| Int)) (and (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_17| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_17|)))) (.cse8 (exists ((|v_#memory_int_858| (Array Int (Array Int Int))) (|v_#memory_int_111| (Array Int (Array Int Int))) (|v_#memory_int_859| (Array Int (Array Int Int))) (|v_#memory_int_BEFORE_CALL_34| (Array Int (Array Int Int)))) (let ((.cse57 (select |v_#memory_int_859| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse56 (select |v_#memory_int_111| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_111| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse56 12 (select .cse57 12))) |v_#memory_int_859|) (= |v_#memory_int_BEFORE_CALL_34| (store |v_#memory_int_859| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse57 8 (select (select |v_#memory_int_BEFORE_CALL_34| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (= (store |v_#memory_int_858| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_int_858| |c_ULTIMATE.start_main_~user~0#1.base|) 16 (select .cse56 16))) |v_#memory_int_111|))))) (.cse9 (exists ((|v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_18| Int)) (and (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_18| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_18|)))) (.cse11 (exists ((|v_#memory_int_858| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_28| (Array Int (Array Int Int))) (|v_#memory_int_111| (Array Int (Array Int Int))) (|v_#memory_int_859| (Array Int (Array Int Int)))) (let ((.cse55 (select |v_#memory_int_859| |c_ULTIMATE.start_main_~user~0#1.base|)) (.cse54 (select |v_#memory_int_111| |c_ULTIMATE.start_main_~user~0#1.base|))) (and (= (store |v_#memory_int_111| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse54 12 (select .cse55 12))) |v_#memory_int_859|) (= |v_old(#memory_int)_AFTER_CALL_28| (store |v_#memory_int_859| |c_ULTIMATE.start_main_~user~0#1.base| (store .cse55 8 (select (select |v_old(#memory_int)_AFTER_CALL_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (= (store |v_#memory_int_858| |c_ULTIMATE.start_main_~user~0#1.base| (store (select |v_#memory_int_858| |c_ULTIMATE.start_main_~user~0#1.base|) 16 (select .cse54 16))) |v_#memory_int_111|))))) (.cse0 (= |c_ULTIMATE.start_main_#t~mem64#1.base| |c_ULTIMATE.start_main_#t~memset~res65#1.base|)) (.cse1 (= |c_ULTIMATE.start_main_#t~memset~res65#1.offset| |c_ULTIMATE.start_main_#t~mem64#1.offset|))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_19| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_19| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_19|))) .cse0 .cse1 (exists ((|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~mem51#1.base_18| Int) (|v_#memory_$Pointer$.offset_116| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_755| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_755| (Array Int (Array Int Int))) (|v_#valid_92| (Array Int Int)) (|v_ULTIMATE.start_main_#t~memset~res52#1.base_19| Int) (|v_#length_44| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_29| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_116| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_int_123| (Array Int (Array Int Int))) (|v_#memory_int_124| (Array Int (Array Int Int))) (|v_#memory_int_860| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_29| (Array Int (Array Int Int)))) (let ((.cse21 (select (select |v_#memory_$Pointer$.base_755| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (+ (select (select |v_#memory_$Pointer$.offset_755| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse25 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse2 (store |v_#memory_$Pointer$.offset_114| .cse25 (store (select |v_#memory_$Pointer$.offset_114| .cse25) .cse26 0))) (.cse29 (store |v_#memory_$Pointer$.base_114| .cse25 (store (select |v_#memory_$Pointer$.base_114| .cse25) .cse26 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse16 (store |v_#memory_$Pointer$.offset_755| .cse21 (store (select |v_#memory_$Pointer$.offset_755| .cse21) .cse22 8))) (.cse20 (store |v_#memory_$Pointer$.base_755| .cse21 (store (select |v_#memory_$Pointer$.base_755| .cse21) .cse22 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse14 (select (select |v_#memory_$Pointer$.base_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse12 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select |v_#memory_$Pointer$.offset_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse17 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (+ 4 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse23 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_29| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (select (select .cse29 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ 40 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_29| (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_29| .cse3) .cse4)))) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_29| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (select |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (let ((.cse7 (= |v_ULTIMATE.start_main_#t~memset~res52#1.base_19| |v_ULTIMATE.start_main_#t~mem51#1.base_18|))) (or (and .cse5 (exists ((|v_#memory_$Pointer$.base_753| (Array Int (Array Int Int))) (|v_#length_43| (Array Int Int)) (|v_#valid_91| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_27| (Array Int (Array Int Int)))) (let ((.cse6 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (<= (+ .cse6 1) |c_#StackHeapBarrier|) (= (store |v_#valid_91| .cse6 1) |v_#valid_92|) (= (store |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store (select |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base|) 16 0) 12 0) 8 .cse6)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_27|) (not (= .cse6 0)) (= (store |v_#length_43| .cse6 44) |v_#length_44|) (= (select |v_#valid_91| .cse6) 0) (= .cse6 |v_ULTIMATE.start_main_#t~mem51#1.base_18|)))) .cse7 .cse8) (and .cse9 (exists ((|v_#memory_$Pointer$.base_753| (Array Int (Array Int Int))) (|v_#length_43| (Array Int Int)) (|v_#valid_91| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_28| (Array Int (Array Int Int)))) (let ((.cse10 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_28| (store |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store (select |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base|) 16 0) 12 0) 8 .cse10))) (= |v_#length_44| (store |v_#length_43| .cse10 44)) (= (select |v_#valid_91| .cse10) 0) (= |v_ULTIMATE.start_main_#t~mem51#1.base_18| .cse10) (= |v_#valid_92| (store |v_#valid_91| .cse10 1)) (not (= .cse10 0)) (<= (+ .cse10 1) |c_#StackHeapBarrier|)))) .cse7 .cse11))) (= |v_#memory_$Pointer$.base_116| (store |v_#memory_$Pointer$.base_115| .cse12 (store (select |v_#memory_$Pointer$.base_115| .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_116| .cse12) .cse13)))) (= |v_#memory_$Pointer$.base_114| (store |v_#memory_$Pointer$.base_116| .cse14 (store (select |v_#memory_$Pointer$.base_116| .cse14) .cse15 (select (select |v_#memory_$Pointer$.base_114| .cse14) .cse15)))) (= |v_#memory_$Pointer$.offset_114| (store |v_#memory_$Pointer$.offset_115| .cse14 (store (select |v_#memory_$Pointer$.offset_115| .cse14) .cse15 (select (select |v_#memory_$Pointer$.offset_114| .cse14) .cse15)))) (= (store .cse16 .cse17 (store (select .cse16 .cse17) .cse18 (select (select |v_#memory_$Pointer$.offset_116| .cse17) .cse18))) |v_#memory_$Pointer$.offset_116|) (= |v_#memory_$Pointer$.offset_115| (store |v_#memory_$Pointer$.offset_116| .cse12 (store (select |v_#memory_$Pointer$.offset_116| .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_115| .cse12) .cse13)))) (= |c_ULTIMATE.start_main_#t~mem64#1.base| (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_29| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|)) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse19) (= (store .cse20 .cse17 (store (select .cse20 .cse17) .cse18 (select (select |v_#memory_$Pointer$.base_115| .cse17) .cse18))) |v_#memory_$Pointer$.base_115|) (= (store |v_#memory_int_860| .cse21 (store (select |v_#memory_int_860| .cse21) .cse22 (select (select |v_#memory_int_124| .cse21) .cse22))) |v_#memory_int_124|) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse23) (= (store |v_#length_44| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= (let ((.cse24 (let ((.cse27 (let ((.cse28 (store |v_#memory_int_124| .cse17 (store (select |v_#memory_int_124| .cse17) .cse18 32)))) (store .cse28 .cse12 (store (select .cse28 .cse12) .cse13 5))))) (store .cse27 .cse14 (store (select .cse27 .cse14) .cse15 8))))) (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_int_123| .cse25) .cse26)))) |v_#memory_int_123|) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_29| .cse23) .cse19) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_29| .cse23) .cse19) 0))) (= (store .cse29 .cse3 (store (select .cse29 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_29| .cse3) .cse4))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_29|) (= |c_#valid| (store |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)))))))) (and (exists ((|v_#memory_$Pointer$.offset_115| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~mem51#1.base_18| Int) (|v_#memory_$Pointer$.offset_116| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_30| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_755| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_755| (Array Int (Array Int Int))) (|v_#valid_92| (Array Int Int)) (|v_ULTIMATE.start_main_#t~memset~res52#1.base_19| Int) (|v_#length_44| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_30| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_116| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_115| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_114| (Array Int (Array Int Int))) (|v_#memory_int_123| (Array Int (Array Int Int))) (|v_#memory_int_124| (Array Int (Array Int Int))) (|v_#memory_int_860| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_114| (Array Int (Array Int Int)))) (let ((.cse50 (select (select |v_#memory_$Pointer$.base_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse51 (select (select |v_#memory_$Pointer$.offset_114| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse47 (select (select |v_#memory_$Pointer$.base_755| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse48 (+ (select (select |v_#memory_$Pointer$.offset_755| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16))) (let ((.cse41 (store |v_#memory_$Pointer$.offset_755| .cse47 (store (select |v_#memory_$Pointer$.offset_755| .cse47) .cse48 8))) (.cse45 (store |v_#memory_$Pointer$.base_755| .cse47 (store (select |v_#memory_$Pointer$.base_755| .cse47) .cse48 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse30 (store |v_#memory_$Pointer$.offset_114| .cse50 (store (select |v_#memory_$Pointer$.offset_114| .cse50) .cse51 0))) (.cse36 (store |v_#memory_$Pointer$.base_114| .cse50 (store (select |v_#memory_$Pointer$.base_114| .cse50) .cse51 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse31 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ 40 (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse44 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_30| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse46 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_30| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.base_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (+ (select (select |v_#memory_$Pointer$.offset_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse37 (select (select |v_#memory_$Pointer$.base_115| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select |v_#memory_$Pointer$.offset_116| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse42 (select (select .cse45 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse43 (+ 4 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= (select |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_30| (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_30| .cse31) .cse32)))) (let ((.cse34 (= |v_ULTIMATE.start_main_#t~memset~res52#1.base_19| |v_ULTIMATE.start_main_#t~mem51#1.base_18|))) (or (and .cse5 (exists ((|v_#memory_$Pointer$.base_753| (Array Int (Array Int Int))) (|v_#length_43| (Array Int Int)) (|v_#valid_91| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_27| (Array Int (Array Int Int)))) (let ((.cse33 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_27| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (<= (+ .cse33 1) |c_#StackHeapBarrier|) (= (store |v_#valid_91| .cse33 1) |v_#valid_92|) (= (store |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store (select |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base|) 16 0) 12 0) 8 .cse33)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_27|) (not (= .cse33 0)) (= (store |v_#length_43| .cse33 44) |v_#length_44|) (= (select |v_#valid_91| .cse33) 0) (= .cse33 |v_ULTIMATE.start_main_#t~mem51#1.base_18|)))) .cse34 .cse8) (and .cse9 (exists ((|v_#memory_$Pointer$.base_753| (Array Int (Array Int Int))) (|v_#length_43| (Array Int Int)) (|v_#valid_91| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_28| (Array Int (Array Int Int)))) (let ((.cse35 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_28| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_28| (store |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base| (store (store (store (select |v_#memory_$Pointer$.base_753| |c_ULTIMATE.start_main_~user~0#1.base|) 16 0) 12 0) 8 .cse35))) (= |v_#length_44| (store |v_#length_43| .cse35 44)) (= (select |v_#valid_91| .cse35) 0) (= |v_ULTIMATE.start_main_#t~mem51#1.base_18| .cse35) (= |v_#valid_92| (store |v_#valid_91| .cse35 1)) (not (= .cse35 0)) (<= (+ .cse35 1) |c_#StackHeapBarrier|)))) .cse34 .cse11))) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_30| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (store .cse36 .cse31 (store (select .cse36 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_30| .cse31) .cse32))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_30|) (= |v_#memory_$Pointer$.base_116| (store |v_#memory_$Pointer$.base_115| .cse37 (store (select |v_#memory_$Pointer$.base_115| .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_116| .cse37) .cse38)))) (= |v_#memory_$Pointer$.base_114| (store |v_#memory_$Pointer$.base_116| .cse39 (store (select |v_#memory_$Pointer$.base_116| .cse39) .cse40 (select (select |v_#memory_$Pointer$.base_114| .cse39) .cse40)))) (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_30| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.base|) (= |v_#memory_$Pointer$.offset_114| (store |v_#memory_$Pointer$.offset_115| .cse39 (store (select |v_#memory_$Pointer$.offset_115| .cse39) .cse40 (select (select |v_#memory_$Pointer$.offset_114| .cse39) .cse40)))) (= (store .cse41 .cse42 (store (select .cse41 .cse42) .cse43 (select (select |v_#memory_$Pointer$.offset_116| .cse42) .cse43))) |v_#memory_$Pointer$.offset_116|) (= |v_#memory_$Pointer$.offset_115| (store |v_#memory_$Pointer$.offset_116| .cse37 (store (select |v_#memory_$Pointer$.offset_116| .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_115| .cse37) .cse38)))) (= .cse44 |c_ULTIMATE.start_main_#t~mem63#1.offset|) (= (store .cse45 .cse42 (store (select .cse45 .cse42) .cse43 (select (select |v_#memory_$Pointer$.base_115| .cse42) .cse43))) |v_#memory_$Pointer$.base_115|) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_30| .cse46) .cse44) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_30| .cse46) .cse44) 0))) (= (store |v_#memory_int_860| .cse47 (store (select |v_#memory_int_860| .cse47) .cse48 (select (select |v_#memory_int_124| .cse47) .cse48))) |v_#memory_int_124|) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse46) (= (store |v_#length_44| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384) |c_#length|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= (let ((.cse49 (let ((.cse52 (let ((.cse53 (store |v_#memory_int_124| .cse42 (store (select |v_#memory_int_124| .cse42) .cse43 32)))) (store .cse53 .cse37 (store (select .cse53 .cse37) .cse38 5))))) (store .cse52 .cse39 (store (select .cse52 .cse39) .cse40 8))))) (store .cse49 .cse50 (store (select .cse49 .cse50) .cse51 (select (select |v_#memory_int_123| .cse50) .cse51)))) |v_#memory_int_123|) (= |c_#valid| (store |v_#valid_92| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_20| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_20|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr405_BEFORE_RETURN_20| 4294967296)))) .cse0 .cse1))) (<= |c_ULTIMATE.start_main_~i~0#1| 9) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false