./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ --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 a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:10,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:10,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 05:06:10,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:10,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:10,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:10,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:10,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:10,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:10,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:10,566 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:10,567 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:10,567 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:10,568 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:10,569 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:10,569 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:10,570 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:10,571 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:10,571 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:10,572 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:10,573 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:10,574 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:10,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:10,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:10,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:10,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:10,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:10,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:10,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:10,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:10,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:10,580 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:06:10,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:06:10,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:10,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:10,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:10,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:10,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:10,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:10,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:10,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:10,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:10,589 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:10,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:10,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:10,590 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:10,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:10,590 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_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2023-11-19 05:06:10,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:10,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:10,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:10,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:10,977 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:10,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2023-11-19 05:06:14,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:14,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:14,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2023-11-19 05:06:15,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/data/20663f4f2/cbda7b3fe7be46ba8b267472223ee7df/FLAGa261dd157 [2023-11-19 05:06:15,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/data/20663f4f2/cbda7b3fe7be46ba8b267472223ee7df [2023-11-19 05:06:15,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:15,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:15,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:15,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:15,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:15,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:15" (1/1) ... [2023-11-19 05:06:15,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a45a2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:15, skipping insertion in model container [2023-11-19 05:06:15,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:15" (1/1) ... [2023-11-19 05:06:15,160 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:15,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:16,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:16,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:16,224 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:16,234 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:16,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16 WrapperNode [2023-11-19 05:06:16,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:16,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:16,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:16,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:16,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,452 INFO L138 Inliner]: procedures = 177, calls = 287, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1367 [2023-11-19 05:06:16,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:16,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:16,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:16,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:16,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:16,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:16,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:16,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:16,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:16,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:16,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:16,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 05:06:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 05:06:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:06:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 05:06:16,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 05:06:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:06:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:06:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:06:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:06:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:06:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:06:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:06:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:06:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:06:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:17,056 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:17,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:19,055 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:21,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:21,142 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 05:06:21,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:21 BoogieIcfgContainer [2023-11-19 05:06:21,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:21,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:21,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:21,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:21,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:15" (1/3) ... [2023-11-19 05:06:21,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d7e130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:21, skipping insertion in model container [2023-11-19 05:06:21,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16" (2/3) ... [2023-11-19 05:06:21,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d7e130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:21, skipping insertion in model container [2023-11-19 05:06:21,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:21" (3/3) ... [2023-11-19 05:06:21,162 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2023-11-19 05:06:21,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:21,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 05:06:21,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:21,258 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;@1e2d39e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:21,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 05:06:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 125 states have (on average 1.752) internal successors, (219), 140 states have internal predecessors, (219), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 05:06:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:06:21,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:21,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:06:21,273 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:06:21,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:21,280 INFO L85 PathProgramCache]: Analyzing trace with hash 47200479, now seen corresponding path program 1 times [2023-11-19 05:06:21,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:21,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706637353] [2023-11-19 05:06:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:21,483 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:06:21,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953524732] [2023-11-19 05:06:21,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:21,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:06:21,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:21,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:06:21,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:06:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:21,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 05:06:21,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:21,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 05:06:21,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 05:06:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:06:21,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 05:06:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:06:21,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:21,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:06:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706637353] [2023-11-19 05:06:21,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:06:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953524732] [2023-11-19 05:06:21,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953524732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:21,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:21,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:06:21,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867502408] [2023-11-19 05:06:21,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:21,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:06:21,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:06:22,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:06:22,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:06:22,037 INFO L87 Difference]: Start difference. First operand has 147 states, 125 states have (on average 1.752) internal successors, (219), 140 states have internal predecessors, (219), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2023-11-19 05:06:24,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:26,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:28,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:29,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:31,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:33,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:35,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:37,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:39,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:41,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:43,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:45,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:47,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:49,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:50,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:52,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:54,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:56,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:06:58,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:01,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:07:01,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:01,543 INFO L93 Difference]: Finished difference Result 365 states and 622 transitions. [2023-11-19 05:07:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:07:01,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 [2023-11-19 05:07:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:01,562 INFO L225 Difference]: With dead ends: 365 [2023-11-19 05:07:01,563 INFO L226 Difference]: Without dead ends: 203 [2023-11-19 05:07:01,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:07:01,571 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 125 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 8 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:01,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 410 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 131 Invalid, 12 Unknown, 0 Unchecked, 39.4s Time] [2023-11-19 05:07:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-19 05:07:01,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 155. [2023-11-19 05:07:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 137 states have (on average 1.2335766423357664) internal successors, (169), 149 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 05:07:01,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2023-11-19 05:07:01,647 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 4 [2023-11-19 05:07:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:01,647 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2023-11-19 05:07:01,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2023-11-19 05:07:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2023-11-19 05:07:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 05:07:01,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:01,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:01,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:01,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:07:01,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:07:01,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:01,864 INFO L85 PathProgramCache]: Analyzing trace with hash -546558084, now seen corresponding path program 1 times [2023-11-19 05:07:01,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:01,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343608226] [2023-11-19 05:07:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:01,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:07:02,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:02,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343608226] [2023-11-19 05:07:02,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343608226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:02,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:02,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:07:02,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085539702] [2023-11-19 05:07:02,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:02,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:07:02,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:02,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:07:02,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:07:02,160 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-19 05:07:04,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:06,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:08,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:10,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:10,280 INFO L93 Difference]: Finished difference Result 163 states and 194 transitions. [2023-11-19 05:07:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:07:10,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-19 05:07:10,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:10,286 INFO L225 Difference]: With dead ends: 163 [2023-11-19 05:07:10,286 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:07:10,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:07:10,290 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:10,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2023-11-19 05:07:10,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:07:10,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:07:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-19 05:07:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:07:10,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2023-11-19 05:07:10,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:10,293 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:07:10,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-19 05:07:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:07:10,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:07:10,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 05:07:10,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 05:07:10,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 05:07:10,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 05:07:10,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 05:07:10,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 05:07:10,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 05:07:10,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 05:07:10,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:07:10,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:07:10,512 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(lines 698 700) no Hoare annotation was computed. [2023-11-19 05:07:10,513 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 698 700) the Hoare annotation is: true [2023-11-19 05:07:10,513 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:07:10,513 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 05:07:10,513 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 05:07:10,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 735) no Hoare annotation was computed. [2023-11-19 05:07:10,514 INFO L899 garLoopResultBuilder]: For program point L708(line 708) no Hoare annotation was computed. [2023-11-19 05:07:10,514 INFO L899 garLoopResultBuilder]: For program point L708-1(line 708) no Hoare annotation was computed. [2023-11-19 05:07:10,515 INFO L899 garLoopResultBuilder]: For program point L708-2(lines 708 724) no Hoare annotation was computed. [2023-11-19 05:07:10,515 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-19 05:07:10,515 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-19 05:07:10,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 744) no Hoare annotation was computed. [2023-11-19 05:07:10,516 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-19 05:07:10,516 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-19 05:07:10,517 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-19 05:07:10,517 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-19 05:07:10,517 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-19 05:07:10,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:07:10,518 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-19 05:07:10,518 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-19 05:07:10,518 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-19 05:07:10,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 741) no Hoare annotation was computed. [2023-11-19 05:07:10,519 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 743) no Hoare annotation was computed. [2023-11-19 05:07:10,519 INFO L899 garLoopResultBuilder]: For program point L735-3(lines 735 743) no Hoare annotation was computed. [2023-11-19 05:07:10,520 INFO L899 garLoopResultBuilder]: For program point L735-4(line 735) no Hoare annotation was computed. [2023-11-19 05:07:10,520 INFO L899 garLoopResultBuilder]: For program point L735-5(line 735) no Hoare annotation was computed. [2023-11-19 05:07:10,521 INFO L895 garLoopResultBuilder]: At program point L735-6(lines 735 743) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~#i~0#1.base|) 1)) [2023-11-19 05:07:10,521 INFO L899 garLoopResultBuilder]: For program point L735-7(lines 735 743) no Hoare annotation was computed. [2023-11-19 05:07:10,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 735) no Hoare annotation was computed. [2023-11-19 05:07:10,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2023-11-19 05:07:10,522 INFO L899 garLoopResultBuilder]: For program point L741(line 741) no Hoare annotation was computed. [2023-11-19 05:07:10,522 INFO L899 garLoopResultBuilder]: For program point L741-1(line 741) no Hoare annotation was computed. [2023-11-19 05:07:10,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 744) no Hoare annotation was computed. [2023-11-19 05:07:10,523 INFO L899 garLoopResultBuilder]: For program point L744-1(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:07:10,523 INFO L899 garLoopResultBuilder]: For program point L744-3(line 744) no Hoare annotation was computed. [2023-11-19 05:07:10,523 INFO L899 garLoopResultBuilder]: For program point L744-4(line 744) no Hoare annotation was computed. [2023-11-19 05:07:10,523 INFO L895 garLoopResultBuilder]: At program point L744-5(lines 744 752) the Hoare annotation is: false [2023-11-19 05:07:10,524 INFO L899 garLoopResultBuilder]: For program point L742-68(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,524 INFO L899 garLoopResultBuilder]: For program point L744-6(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:07:10,524 INFO L902 garLoopResultBuilder]: At program point L742-69(line 742) the Hoare annotation is: true [2023-11-19 05:07:10,525 INFO L899 garLoopResultBuilder]: For program point L742-70(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,525 INFO L902 garLoopResultBuilder]: At program point L742-71(line 742) the Hoare annotation is: true [2023-11-19 05:07:10,525 INFO L899 garLoopResultBuilder]: For program point L747-3(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,525 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,526 INFO L895 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~#i~0#1.base|) 1)) (= |ULTIMATE.start_main_#t~mem11#1| 0)) [2023-11-19 05:07:10,526 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,526 INFO L899 garLoopResultBuilder]: For program point L747-8(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,527 INFO L895 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~#i~0#1.base|) 1)) [2023-11-19 05:07:10,527 INFO L899 garLoopResultBuilder]: For program point L747-11(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,527 INFO L895 garLoopResultBuilder]: At program point L747-12(line 747) the Hoare annotation is: false [2023-11-19 05:07:10,528 INFO L899 garLoopResultBuilder]: For program point L747-13(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,528 INFO L899 garLoopResultBuilder]: For program point L742-170(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,528 INFO L902 garLoopResultBuilder]: At program point L742-171(line 742) the Hoare annotation is: true [2023-11-19 05:07:10,528 INFO L899 garLoopResultBuilder]: For program point L742-172(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,529 INFO L899 garLoopResultBuilder]: For program point L742-173(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,529 INFO L902 garLoopResultBuilder]: At program point L742-174(line 742) the Hoare annotation is: true [2023-11-19 05:07:10,529 INFO L899 garLoopResultBuilder]: For program point L742-175(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,529 INFO L902 garLoopResultBuilder]: At program point L742-176(line 742) the Hoare annotation is: true [2023-11-19 05:07:10,530 INFO L899 garLoopResultBuilder]: For program point L747-22(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,530 INFO L899 garLoopResultBuilder]: For program point L742-178(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,530 INFO L895 garLoopResultBuilder]: At program point L747-23(line 747) the Hoare annotation is: false [2023-11-19 05:07:10,531 INFO L899 garLoopResultBuilder]: For program point L742-180(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,531 INFO L895 garLoopResultBuilder]: At program point L742-182(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,531 INFO L899 garLoopResultBuilder]: For program point L742-183(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,531 INFO L899 garLoopResultBuilder]: For program point L742-184(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,532 INFO L895 garLoopResultBuilder]: At program point L742-186(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,532 INFO L899 garLoopResultBuilder]: For program point L742-187(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,532 INFO L899 garLoopResultBuilder]: For program point L742-188(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,532 INFO L895 garLoopResultBuilder]: At program point L742-189(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,533 INFO L899 garLoopResultBuilder]: For program point L747-34(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,533 INFO L899 garLoopResultBuilder]: For program point L742-190(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,533 INFO L895 garLoopResultBuilder]: At program point L747-35(line 747) the Hoare annotation is: false [2023-11-19 05:07:10,533 INFO L899 garLoopResultBuilder]: For program point L747-36(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,534 INFO L899 garLoopResultBuilder]: For program point L747-37(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,534 INFO L899 garLoopResultBuilder]: For program point L742-193(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,534 INFO L899 garLoopResultBuilder]: For program point L747-38(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,534 INFO L895 garLoopResultBuilder]: At program point L742-194(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,535 INFO L895 garLoopResultBuilder]: At program point L747-39(line 747) the Hoare annotation is: false [2023-11-19 05:07:10,535 INFO L899 garLoopResultBuilder]: For program point L747-40(line 747) no Hoare annotation was computed. [2023-11-19 05:07:10,535 INFO L899 garLoopResultBuilder]: For program point L742-202(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,536 INFO L895 garLoopResultBuilder]: At program point L742-203(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,536 INFO L899 garLoopResultBuilder]: For program point L742-210(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,536 INFO L899 garLoopResultBuilder]: For program point L742-212(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,536 INFO L895 garLoopResultBuilder]: At program point L742-214(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,537 INFO L899 garLoopResultBuilder]: For program point L742-215(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,537 INFO L899 garLoopResultBuilder]: For program point L742-225(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,537 INFO L899 garLoopResultBuilder]: For program point L742-235(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,538 INFO L895 garLoopResultBuilder]: At program point L742-236(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,538 INFO L899 garLoopResultBuilder]: For program point L742-237(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,538 INFO L895 garLoopResultBuilder]: At program point L742-246(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,538 INFO L895 garLoopResultBuilder]: At program point L742-248(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,539 INFO L895 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: (= |ULTIMATE.start_main_#t~mem11#1| 0) [2023-11-19 05:07:10,539 INFO L899 garLoopResultBuilder]: For program point L742-249(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,539 INFO L899 garLoopResultBuilder]: For program point L750-1(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:07:10,540 INFO L899 garLoopResultBuilder]: For program point L742-255(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,540 INFO L899 garLoopResultBuilder]: For program point L742-256(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,540 INFO L895 garLoopResultBuilder]: At program point L742-257(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,540 INFO L899 garLoopResultBuilder]: For program point L742-259(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,541 INFO L899 garLoopResultBuilder]: For program point L742-260(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,541 INFO L895 garLoopResultBuilder]: At program point L742-261(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,541 INFO L899 garLoopResultBuilder]: For program point L742-262(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,541 INFO L899 garLoopResultBuilder]: For program point L742-263(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,542 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,542 INFO L895 garLoopResultBuilder]: At program point L742-264(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,542 INFO L895 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~#i~0#1.base|) 1)) [2023-11-19 05:07:10,543 INFO L899 garLoopResultBuilder]: For program point L742-265(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,543 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,543 INFO L895 garLoopResultBuilder]: At program point L742-266(line 742) the Hoare annotation is: false [2023-11-19 05:07:10,544 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,544 INFO L899 garLoopResultBuilder]: For program point L742-267(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,544 INFO L895 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~#i~0#1.base|) 1)) [2023-11-19 05:07:10,544 INFO L899 garLoopResultBuilder]: For program point L742-268(line 742) no Hoare annotation was computed. [2023-11-19 05:07:10,545 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,545 INFO L902 garLoopResultBuilder]: At program point L742-269(line 742) the Hoare annotation is: true [2023-11-19 05:07:10,545 INFO L895 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~#i~0#1.base|) 1)) [2023-11-19 05:07:10,546 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,546 INFO L899 garLoopResultBuilder]: For program point L745-185(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,546 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-19 05:07:10,547 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,547 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,547 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,547 INFO L895 garLoopResultBuilder]: At program point L745-191(line 745) the Hoare annotation is: false [2023-11-19 05:07:10,548 INFO L899 garLoopResultBuilder]: For program point L745-197(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,548 INFO L899 garLoopResultBuilder]: For program point L745-198(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,548 INFO L899 garLoopResultBuilder]: For program point L745-201(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,548 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,549 INFO L899 garLoopResultBuilder]: For program point L745-204(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,549 INFO L895 garLoopResultBuilder]: At program point L745-205(line 745) the Hoare annotation is: false [2023-11-19 05:07:10,549 INFO L895 garLoopResultBuilder]: At program point L745-207(line 745) the Hoare annotation is: false [2023-11-19 05:07:10,549 INFO L899 garLoopResultBuilder]: For program point L745-208(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,550 INFO L895 garLoopResultBuilder]: At program point L745-209(line 745) the Hoare annotation is: false [2023-11-19 05:07:10,550 INFO L899 garLoopResultBuilder]: For program point L745-211(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,550 INFO L899 garLoopResultBuilder]: For program point L745-213(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,550 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-19 05:07:10,551 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,551 INFO L899 garLoopResultBuilder]: For program point L745-216(line 745) no Hoare annotation was computed. [2023-11-19 05:07:10,551 INFO L895 garLoopResultBuilder]: At program point L745-217(line 745) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~#i~0#1.base|) 1)) [2023-11-19 05:07:10,552 INFO L899 garLoopResultBuilder]: For program point L745-218(lines 744 752) no Hoare annotation was computed. [2023-11-19 05:07:10,552 INFO L895 garLoopResultBuilder]: At program point L753-3(lines 753 755) the Hoare annotation is: false [2023-11-19 05:07:10,552 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 708) no Hoare annotation was computed. [2023-11-19 05:07:10,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 741) no Hoare annotation was computed. [2023-11-19 05:07:10,553 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:07:10,553 INFO L902 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: true [2023-11-19 05:07:10,553 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-19 05:07:10,554 INFO L899 garLoopResultBuilder]: For program point L702-1(lines 701 705) no Hoare annotation was computed. [2023-11-19 05:07:10,554 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-19 05:07:10,554 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-19 05:07:10,559 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:07:10,561 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:10,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:10,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-19 05:07:10,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:10,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-19 05:07:10,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:10,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-19 05:07:10,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:10,584 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-19 05:07:10,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:10,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-19 05:07:10,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:10,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-19 05:07:10,587 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 05:07:10,587 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated [2023-11-19 05:07:10,588 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-11-19 05:07:10,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:10 BoogieIcfgContainer [2023-11-19 05:07:10,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:10,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:10,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:10,590 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:10,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:21" (3/4) ... [2023-11-19 05:07:10,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:07:10,598 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-19 05:07:10,598 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 05:07:10,599 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 05:07:10,634 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 224 nodes and edges [2023-11-19 05:07:10,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-19 05:07:10,641 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 05:07:10,644 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 05:07:10,883 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:07:10,884 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:07:10,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:10,885 INFO L158 Benchmark]: Toolchain (without parser) took 55835.04ms. Allocated memory was 146.8MB in the beginning and 312.5MB in the end (delta: 165.7MB). Free memory was 111.7MB in the beginning and 229.8MB in the end (delta: -118.1MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-19 05:07:10,886 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:10,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.95ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 78.5MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 05:07:10,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.75ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 78.5MB in the beginning and 153.0MB in the end (delta: -74.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-19 05:07:10,888 INFO L158 Benchmark]: Boogie Preprocessor took 166.39ms. Allocated memory is still 188.7MB. Free memory was 153.0MB in the beginning and 144.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:07:10,888 INFO L158 Benchmark]: RCFGBuilder took 4530.19ms. Allocated memory was 188.7MB in the beginning and 232.8MB in the end (delta: 44.0MB). Free memory was 144.6MB in the beginning and 175.4MB in the end (delta: -30.9MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:10,889 INFO L158 Benchmark]: TraceAbstraction took 49434.85ms. Allocated memory was 232.8MB in the beginning and 312.5MB in the end (delta: 79.7MB). Free memory was 174.4MB in the beginning and 245.6MB in the end (delta: -71.2MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2023-11-19 05:07:10,890 INFO L158 Benchmark]: Witness Printer took 295.10ms. Allocated memory is still 312.5MB. Free memory was 245.6MB in the beginning and 229.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:07:10,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1179.95ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 78.5MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.75ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 78.5MB in the beginning and 153.0MB in the end (delta: -74.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.39ms. Allocated memory is still 188.7MB. Free memory was 153.0MB in the beginning and 144.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4530.19ms. Allocated memory was 188.7MB in the beginning and 232.8MB in the end (delta: 44.0MB). Free memory was 144.6MB in the beginning and 175.4MB in the end (delta: -30.9MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. * TraceAbstraction took 49434.85ms. Allocated memory was 232.8MB in the beginning and 312.5MB in the end (delta: 79.7MB). Free memory was 174.4MB in the beginning and 245.6MB in the end (delta: -71.2MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. * Witness Printer took 295.10ms. Allocated memory is still 312.5MB. Free memory was 245.6MB in the beginning and 229.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#i~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 741]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 741]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 147 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 49.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 47.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 429 SdHoareTripleChecker+Invalid, 47.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 181 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 80 PreInvPairs, 98 NumberOfFragments, 139 HoareAnnotationTreeSize, 80 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 4 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 05:07:11,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c356808d-fa40-4244-85cf-d3f477ae454c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE