./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/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_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/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_fb9adbf9-1297-46b8-8148-b633151b57ac/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 d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:47,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:48,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:09:48,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:48,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:09:48,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:48,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:09:48,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:09:48,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:48,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:09:48,102 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:09:48,102 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:09:48,103 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:09:48,104 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:09:48,104 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:09:48,107 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:09:48,107 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:09:48,108 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:09:48,109 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:09:48,112 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:09:48,113 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:09:48,115 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:09:48,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:48,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:48,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:48,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:48,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:48,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:48,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:48,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:48,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:48,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:09:48,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:09:48,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:48,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:48,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:48,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:48,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:09:48,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:09:48,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:48,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:48,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:48,127 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:09:48,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:48,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:48,128 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:09:48,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:48,129 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_fb9adbf9-1297-46b8-8148-b633151b57ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff [2023-11-19 04:09:48,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:48,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:48,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:48,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:48,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:48,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-regression/test22-3.c [2023-11-19 04:09:51,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:51,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:51,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/sv-benchmarks/c/ldv-regression/test22-3.c [2023-11-19 04:09:51,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/data/657d5d8d6/b03a79075b994151a2cd41a47278177d/FLAG055173943 [2023-11-19 04:09:51,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/data/657d5d8d6/b03a79075b994151a2cd41a47278177d [2023-11-19 04:09:51,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:51,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:51,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:51,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:51,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:51,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:51" (1/1) ... [2023-11-19 04:09:51,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e977cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:51, skipping insertion in model container [2023-11-19 04:09:51,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:51" (1/1) ... [2023-11-19 04:09:51,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:52,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:52,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:52,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:52,176 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:52,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52 WrapperNode [2023-11-19 04:09:52,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:52,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:52,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:52,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:52,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,238 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2023-11-19 04:09:52,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:52,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:52,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:52,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:52,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:52,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:52,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:52,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:52,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (1/1) ... [2023-11-19 04:09:52,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:09:52,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:09:52,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:52,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:09:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:09:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:09:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2023-11-19 04:09:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2023-11-19 04:09:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:09:52,412 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:52,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:52,640 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:52,719 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:52,720 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:52,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:52 BoogieIcfgContainer [2023-11-19 04:09:52,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:52,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:09:52,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:09:52,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:09:52,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:09:51" (1/3) ... [2023-11-19 04:09:52,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce55f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:09:52, skipping insertion in model container [2023-11-19 04:09:52,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:52" (2/3) ... [2023-11-19 04:09:52,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce55f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:09:52, skipping insertion in model container [2023-11-19 04:09:52,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:52" (3/3) ... [2023-11-19 04:09:52,735 INFO L112 eAbstractionObserver]: Analyzing ICFG test22-3.c [2023-11-19 04:09:52,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:09:52,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 04:09:52,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:09:52,815 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;@5055f05f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:09:52,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-19 04:09:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:09:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:52,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:09:52,830 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:09:52,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-19 04:09:52,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:52,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1107121594, now seen corresponding path program 1 times [2023-11-19 04:09:52,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:09:52,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489132161] [2023-11-19 04:09:52,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:09:52,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:54,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:09:54,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489132161] [2023-11-19 04:09:54,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489132161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:09:54,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:09:54,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 04:09:54,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099397623] [2023-11-19 04:09:54,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:09:54,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 04:09:54,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:09:54,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 04:09:54,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:09:54,588 INFO L87 Difference]: Start difference. First operand has 31 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 11 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-19 04:09:54,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:09:54,932 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2023-11-19 04:09:54,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 04:09:54,935 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 23 [2023-11-19 04:09:54,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:09:54,943 INFO L225 Difference]: With dead ends: 38 [2023-11-19 04:09:54,943 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 04:09:54,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-19 04:09:54,950 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 57 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:09:54,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 101 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:09:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 04:09:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 04:09:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:09:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2023-11-19 04:09:54,992 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 23 [2023-11-19 04:09:54,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:09:54,993 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2023-11-19 04:09:54,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-19 04:09:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-11-19 04:09:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:09:54,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:09:54,996 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:09:54,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:09:54,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-19 04:09:54,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:54,997 INFO L85 PathProgramCache]: Analyzing trace with hash -38968895, now seen corresponding path program 1 times [2023-11-19 04:09:54,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:09:54,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237230126] [2023-11-19 04:09:54,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:09:54,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:55,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:09:55,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237230126] [2023-11-19 04:09:55,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237230126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:09:55,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:09:55,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 04:09:55,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122076866] [2023-11-19 04:09:55,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:09:55,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 04:09:55,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:09:55,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 04:09:55,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:09:55,523 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 8 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 04:09:55,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:09:55,686 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2023-11-19 04:09:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:09:55,687 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2023-11-19 04:09:55,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:09:55,688 INFO L225 Difference]: With dead ends: 27 [2023-11-19 04:09:55,688 INFO L226 Difference]: Without dead ends: 26 [2023-11-19 04:09:55,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:09:55,690 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 27 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:09:55,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 50 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:09:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-19 04:09:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-19 04:09:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:09:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2023-11-19 04:09:55,700 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 24 [2023-11-19 04:09:55,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:09:55,701 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2023-11-19 04:09:55,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 04:09:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2023-11-19 04:09:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:55,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:09:55,703 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:09:55,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:09:55,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-19 04:09:55,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:55,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1281117311, now seen corresponding path program 1 times [2023-11-19 04:09:55,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:09:55,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193279799] [2023-11-19 04:09:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:09:55,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:09:55,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:09:55,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193279799] [2023-11-19 04:09:55,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193279799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:09:55,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:09:55,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:09:55,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477414793] [2023-11-19 04:09:55,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:09:55,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:09:55,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:09:55,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:09:55,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:09:55,759 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 04:09:55,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:09:55,795 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-11-19 04:09:55,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:09:55,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 27 [2023-11-19 04:09:55,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:09:55,797 INFO L225 Difference]: With dead ends: 26 [2023-11-19 04:09:55,797 INFO L226 Difference]: Without dead ends: 25 [2023-11-19 04:09:55,797 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 04:09:55,799 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:09:55,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 43 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:09:55,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-19 04:09:55,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-19 04:09:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:09:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-11-19 04:09:55,809 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 27 [2023-11-19 04:09:55,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:09:55,810 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-19 04:09:55,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 04:09:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-19 04:09:55,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:09:55,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:09:55,812 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:09:55,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:09:55,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-19 04:09:55,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:55,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1059930904, now seen corresponding path program 1 times [2023-11-19 04:09:55,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:09:55,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191377128] [2023-11-19 04:09:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:09:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:56,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:09:56,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191377128] [2023-11-19 04:09:56,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191377128] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:09:56,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014891599] [2023-11-19 04:09:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:09:56,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:09:56,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:09:56,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:09:56,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:09:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:56,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 04:09:56,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:56,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-19 04:09:56,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2023-11-19 04:09:57,856 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-19 04:09:57,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 47 [2023-11-19 04:09:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:09:57,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:09:58,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014891599] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:09:58,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1445741697] [2023-11-19 04:09:58,741 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2023-11-19 04:09:58,741 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:09:58,745 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:09:58,751 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:09:58,751 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:10:03,784 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 18 for LOIs [2023-11-19 04:10:03,787 INFO L197 IcfgInterpreter]: Interpreting procedure get_dummy with input of size 15 for LOIs [2023-11-19 04:10:03,797 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:10:16,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1445741697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:16,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:10:16,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [13, 10] total 40 [2023-11-19 04:10:16,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671078149] [2023-11-19 04:10:16,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:16,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-19 04:10:16,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:16,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-19 04:10:16,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=1852, Unknown=4, NotChecked=0, Total=2256 [2023-11-19 04:10:16,039 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:10:17,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:17,221 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2023-11-19 04:10:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 04:10:17,223 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 28 [2023-11-19 04:10:17,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:17,224 INFO L225 Difference]: With dead ends: 30 [2023-11-19 04:10:17,224 INFO L226 Difference]: Without dead ends: 29 [2023-11-19 04:10:17,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=417, Invalid=1931, Unknown=4, NotChecked=0, Total=2352 [2023-11-19 04:10:17,227 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:17,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 4 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 04:10:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-19 04:10:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-19 04:10:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:10:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2023-11-19 04:10:17,242 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 28 [2023-11-19 04:10:17,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:17,242 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2023-11-19 04:10:17,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:10:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-11-19 04:10:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:10:17,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:17,244 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-19 04:10:17,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:10:17,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:10:17,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-19 04:10:17,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:17,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1844980879, now seen corresponding path program 1 times [2023-11-19 04:10:17,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:17,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679145705] [2023-11-19 04:10:17,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:17,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:10:17,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:10:17,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679145705] [2023-11-19 04:10:17,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679145705] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:10:17,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177666821] [2023-11-19 04:10:17,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:17,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:10:17,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:17,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:10:17,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:10:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:17,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 04:10:17,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:17,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-19 04:10:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:10:18,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2023-11-19 04:10:19,181 INFO L349 Elim1Store]: treesize reduction 29, result has 49.1 percent of original size [2023-11-19 04:10:19,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 64 [2023-11-19 04:10:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:10:19,303 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:10:19,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177666821] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:10:19,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1657562409] [2023-11-19 04:10:19,994 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2023-11-19 04:10:19,995 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:10:19,995 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:10:19,995 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:10:19,996 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:10:23,470 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 21 for LOIs [2023-11-19 04:10:23,474 INFO L197 IcfgInterpreter]: Interpreting procedure get_dummy with input of size 15 for LOIs [2023-11-19 04:10:23,486 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:10:31,867 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '797#(and (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|)) (<= 2147483647 |ULTIMATE.start_main_~i~0#1|) (= |~#d1~0.offset| 0))' at error location [2023-11-19 04:10:31,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-19 04:10:31,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:10:31,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2023-11-19 04:10:31,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848432157] [2023-11-19 04:10:31,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 04:10:31,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 04:10:31,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:31,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 04:10:31,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=1937, Unknown=6, NotChecked=0, Total=2256 [2023-11-19 04:10:31,874 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 19 states, 16 states have (on average 2.5) internal successors, (40), 17 states have internal predecessors, (40), 5 states have call successors, (10), 4 states have call predecessors, (10), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2023-11-19 04:10:33,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:33,754 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2023-11-19 04:10:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 04:10:33,754 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 2.5) internal successors, (40), 17 states have internal predecessors, (40), 5 states have call successors, (10), 4 states have call predecessors, (10), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) Word has length 32 [2023-11-19 04:10:33,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:33,755 INFO L225 Difference]: With dead ends: 31 [2023-11-19 04:10:33,755 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:10:33,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=544, Invalid=2872, Unknown=6, NotChecked=0, Total=3422 [2023-11-19 04:10:33,758 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 85 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:33,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 47 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:10:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:10:33,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:10:33,760 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 04:10:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:10:33,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-11-19 04:10:33,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:33,760 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:10:33,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 2.5) internal successors, (40), 17 states have internal predecessors, (40), 5 states have call successors, (10), 4 states have call predecessors, (10), 6 states have return successors, (10), 7 states have call predecessors, (10), 5 states have call successors, (10) [2023-11-19 04:10:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:10:33,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:10:33,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-19 04:10:33,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-19 04:10:33,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-19 04:10:33,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-19 04:10:33,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:10:33,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:10:33,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:10:35,751 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 28 31) the Hoare annotation is: true [2023-11-19 04:10:35,751 INFO L899 garLoopResultBuilder]: For program point get_dummyEXIT(lines 28 31) no Hoare annotation was computed. [2023-11-19 04:10:35,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-19 04:10:35,752 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 38 58) no Hoare annotation was computed. [2023-11-19 04:10:35,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 04:10:35,752 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 51) no Hoare annotation was computed. [2023-11-19 04:10:35,752 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-19 04:10:35,752 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-19 04:10:35,753 INFO L895 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (let ((.cse6 (select |#memory_int| 5))) (let ((.cse0 (select .cse6 4))) (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (<= 0 (+ .cse0 2147483648)) (= (select |#valid| 3) 1) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (exists ((|v_#memory_int_23| (Array Int (Array Int Int))) (|v_#memory_int_24| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet7#1_4| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_9| Int)) (let ((.cse5 (select |v_#memory_int_24| 4))) (let ((.cse1 (select |v_#memory_int_23| 4)) (.cse3 (select |v_#memory_int_23| 5)) (.cse2 (select .cse5 4)) (.cse4 (select |v_#memory_int_23| 1))) (and (= |v_#memory_int_24| (store |v_#memory_int_23| 4 (store (store .cse1 0 |v_ULTIMATE.start_init_#t~nondet4#1_9|) 4 .cse2))) (<= .cse2 2147483647) (= (select .cse3 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet4#1_9| 2147483647) (= (select .cse1 0) 0) (= (select .cse1 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet7#1_4| 2147483647) (= (select .cse4 0) 48) (= (select .cse3 0) 0) (= |#memory_int| (store |v_#memory_int_24| 5 (store (store (select |v_#memory_int_24| 5) 0 |v_ULTIMATE.start_init_#t~nondet7#1_4|) 4 .cse0))) (<= 0 (+ 2147483638 (select .cse5 0))) (<= 0 (+ .cse2 2147483648)) (= (select .cse4 1) 0))))) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (<= .cse0 2147483647) (= 8 (select |#length| 5)) (<= 0 (+ (select .cse6 0) 2147483638))))) [2023-11-19 04:10:35,753 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-19 04:10:35,754 INFO L895 garLoopResultBuilder]: At program point L41-2(line 41) the Hoare annotation is: (let ((.cse7 (select |#memory_int| 5))) (let ((.cse1 (select .cse7 4))) (and (exists ((|v_get_dummy_#t~nondet10_5| Int)) (and (let ((.cse0 (= (mod |v_get_dummy_#t~nondet10_5| 256) 0))) (or (and (= 4 |ULTIMATE.start_main_~pd1~0#1.base|) (not .cse0)) (and (= 5 |ULTIMATE.start_main_~pd1~0#1.base|) .cse0))) (= |ULTIMATE.start_main_~pd1~0#1.offset| 0))) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (<= 0 (+ .cse1 2147483648)) (= (select |#valid| 3) 1) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (exists ((|v_#memory_int_23| (Array Int (Array Int Int))) (|v_#memory_int_24| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet7#1_4| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_9| Int)) (let ((.cse6 (select |v_#memory_int_24| 4))) (let ((.cse2 (select |v_#memory_int_23| 4)) (.cse4 (select |v_#memory_int_23| 5)) (.cse3 (select .cse6 4)) (.cse5 (select |v_#memory_int_23| 1))) (and (= |v_#memory_int_24| (store |v_#memory_int_23| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_9|) 4 .cse3))) (<= .cse3 2147483647) (= (select .cse4 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet4#1_9| 2147483647) (= (select .cse2 0) 0) (= (select .cse2 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet7#1_4| 2147483647) (= (select .cse5 0) 48) (= (select .cse4 0) 0) (= |#memory_int| (store |v_#memory_int_24| 5 (store (store (select |v_#memory_int_24| 5) 0 |v_ULTIMATE.start_init_#t~nondet7#1_4|) 4 .cse1))) (<= 0 (+ 2147483638 (select .cse6 0))) (<= 0 (+ .cse3 2147483648)) (= (select .cse5 1) 0))))) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (<= .cse1 2147483647) (= 8 (select |#length| 5)) (<= 0 (+ (select .cse7 0) 2147483638))))) [2023-11-19 04:10:35,754 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2023-11-19 04:10:35,755 INFO L895 garLoopResultBuilder]: At program point L41-4(line 41) the Hoare annotation is: (let ((.cse8 (select |#memory_int| 5))) (let ((.cse1 (select .cse8 4))) (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (exists ((|v_get_dummy_#t~nondet10_37| Int)) (and (let ((.cse0 (= (mod |v_get_dummy_#t~nondet10_37| 256) 0))) (or (and (= 5 |ULTIMATE.start_main_~pd1~0#1.base|) .cse0) (and (= 4 |ULTIMATE.start_main_~pd1~0#1.base|) (not .cse0)))) (= |ULTIMATE.start_main_~pd1~0#1.offset| 0))) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (<= 0 (+ .cse1 2147483648)) (= (select |#valid| 3) 1) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (exists ((|v_#memory_int_23| (Array Int (Array Int Int))) (|v_#memory_int_24| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet7#1_4| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_9| Int)) (let ((.cse6 (select |v_#memory_int_24| 4))) (let ((.cse2 (select |v_#memory_int_23| 4)) (.cse4 (select |v_#memory_int_23| 5)) (.cse3 (select .cse6 4)) (.cse5 (select |v_#memory_int_23| 1))) (and (= |v_#memory_int_24| (store |v_#memory_int_23| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_9|) 4 .cse3))) (<= .cse3 2147483647) (= (select .cse4 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet4#1_9| 2147483647) (= (select .cse2 0) 0) (= (select .cse2 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet7#1_4| 2147483647) (= (select .cse5 0) 48) (= (select .cse4 0) 0) (= |#memory_int| (store |v_#memory_int_24| 5 (store (store (select |v_#memory_int_24| 5) 0 |v_ULTIMATE.start_init_#t~nondet7#1_4|) 4 .cse1))) (<= 0 (+ 2147483638 (select .cse6 0))) (<= 0 (+ .cse3 2147483648)) (= (select .cse5 1) 0))))) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (exists ((|v_get_dummy_#t~nondet10_5| Int)) (and (= |ULTIMATE.start_main_~pd2~0#1.offset| 0) (let ((.cse7 (= (mod |v_get_dummy_#t~nondet10_5| 256) 0))) (or (and (= 5 |ULTIMATE.start_main_~pd2~0#1.base|) .cse7) (and (not .cse7) (= 4 |ULTIMATE.start_main_~pd2~0#1.base|)))))) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (<= .cse1 2147483647) (= 8 (select |#length| 5)) (<= 0 (+ (select .cse8 0) 2147483638))))) [2023-11-19 04:10:35,755 INFO L899 garLoopResultBuilder]: For program point L41-5(line 41) no Hoare annotation was computed. [2023-11-19 04:10:35,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 04:10:35,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:10:35,756 INFO L895 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 5))) (let ((.cse1 (select .cse0 4))) (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (= (select .cse0 0) |ULTIMATE.start_init_#t~mem9#1|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (<= 0 (+ .cse1 2147483648)) (= (select |#valid| 3) 1) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (exists ((|v_#memory_int_23| (Array Int (Array Int Int))) (|v_#memory_int_24| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet7#1_4| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_9| Int)) (let ((.cse6 (select |v_#memory_int_24| 4))) (let ((.cse2 (select |v_#memory_int_23| 4)) (.cse4 (select |v_#memory_int_23| 5)) (.cse3 (select .cse6 4)) (.cse5 (select |v_#memory_int_23| 1))) (and (= |v_#memory_int_24| (store |v_#memory_int_23| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_9|) 4 .cse3))) (<= .cse3 2147483647) (= (select .cse4 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet4#1_9| 2147483647) (= (select .cse2 0) 0) (= (select .cse2 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet7#1_4| 2147483647) (= (select .cse5 0) 48) (= (select .cse4 0) 0) (= |#memory_int| (store |v_#memory_int_24| 5 (store (store (select |v_#memory_int_24| 5) 0 |v_ULTIMATE.start_init_#t~nondet7#1_4|) 4 .cse1))) (<= 0 (+ 2147483638 (select .cse6 0))) (<= 0 (+ .cse3 2147483648)) (= (select .cse5 1) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet7#1_4| 2147483648)))))) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (<= .cse1 2147483647) (= 8 (select |#length| 5))))) [2023-11-19 04:10:35,757 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2023-11-19 04:10:35,757 INFO L895 garLoopResultBuilder]: At program point L21(line 21) the Hoare annotation is: (let ((.cse4 (select |#memory_int| 4))) (let ((.cse0 (select .cse4 4))) (and (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= 0 (+ .cse0 2147483648)) (<= .cse0 2147483647) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (= 8 (select |#length| 5)) (exists ((|v_#memory_int_23| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet4#1_9| Int)) (let ((.cse2 (select |v_#memory_int_23| 4)) (.cse1 (select |v_#memory_int_23| 5)) (.cse3 (select |v_#memory_int_23| 1))) (and (= (select .cse1 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet4#1_9| 2147483647) (= (select .cse2 0) 0) (<= 0 (+ |v_ULTIMATE.start_init_#t~nondet4#1_9| 2147483648)) (= |#memory_int| (store |v_#memory_int_23| 4 (store (store .cse2 0 |v_ULTIMATE.start_init_#t~nondet4#1_9|) 4 .cse0))) (= (select .cse2 4) 0) (= (select .cse3 0) 48) (= (select .cse1 0) 0) (= (select .cse3 1) 0)))) (= |ULTIMATE.start_init_#t~mem6#1| (select .cse4 0))))) [2023-11-19 04:10:35,757 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-19 04:10:35,758 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 48) no Hoare annotation was computed. [2023-11-19 04:10:35,758 INFO L895 garLoopResultBuilder]: At program point L46-3(lines 46 48) the Hoare annotation is: (let ((.cse11 (select |#memory_int| 5))) (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~pd3~0#1.base|) |ULTIMATE.start_main_~pd3~0#1.offset|)) (.cse2 (select .cse11 4))) (and (<= 0 (+ .cse0 2147483638)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (exists ((|v_get_dummy_#t~nondet10_37| Int)) (and (let ((.cse1 (= (mod |v_get_dummy_#t~nondet10_37| 256) 0))) (or (and (= 5 |ULTIMATE.start_main_~pd1~0#1.base|) .cse1) (and (= 4 |ULTIMATE.start_main_~pd1~0#1.base|) (not .cse1)))) (= |ULTIMATE.start_main_~pd1~0#1.offset| 0))) (= 5 |~#d2~0.base|) (= 11 (select |#length| 2)) (= 2 (select |#length| 1)) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 0 (+ .cse2 2147483648)) (<= .cse0 2147483647) (= (select |#valid| 3) 1) (= (select |#length| 4) 8) (= (select |#valid| 4) 1) (exists ((|v_#memory_int_23| (Array Int (Array Int Int))) (|v_#memory_int_24| (Array Int (Array Int Int))) (|v_ULTIMATE.start_init_#t~nondet7#1_4| Int) (|v_ULTIMATE.start_init_#t~nondet4#1_9| Int)) (let ((.cse7 (select |v_#memory_int_24| 4))) (let ((.cse3 (select |v_#memory_int_23| 4)) (.cse5 (select |v_#memory_int_23| 5)) (.cse4 (select .cse7 4)) (.cse6 (select |v_#memory_int_23| 1))) (and (= |v_#memory_int_24| (store |v_#memory_int_23| 4 (store (store .cse3 0 |v_ULTIMATE.start_init_#t~nondet4#1_9|) 4 .cse4))) (<= .cse4 2147483647) (= (select .cse5 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet4#1_9| 2147483647) (= (select .cse3 0) 0) (= (select .cse3 4) 0) (<= |v_ULTIMATE.start_init_#t~nondet7#1_4| 2147483647) (= (select .cse6 0) 48) (= (select .cse5 0) 0) (= |#memory_int| (store |v_#memory_int_24| 5 (store (store (select |v_#memory_int_24| 5) 0 |v_ULTIMATE.start_init_#t~nondet7#1_4|) 4 .cse2))) (<= 0 (+ 2147483638 (select .cse7 0))) (<= 0 (+ .cse4 2147483648)) (= (select .cse6 1) 0))))) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (exists ((|v_get_dummy_#t~nondet10_5| Int)) (and (= |ULTIMATE.start_main_~pd2~0#1.offset| 0) (let ((.cse8 (= (mod |v_get_dummy_#t~nondet10_5| 256) 0))) (or (and (= 5 |ULTIMATE.start_main_~pd2~0#1.base|) .cse8) (and (not .cse8) (= 4 |ULTIMATE.start_main_~pd2~0#1.base|)))))) (= |~#d1~0.offset| 0) (= (select |#valid| 2) 1) (let ((.cse9 (= |ULTIMATE.start_main_~pa~0#1.offset| 0))) (or (and (<= 1 (select (select |#memory_int| 4) 0)) .cse9 (= |ULTIMATE.start_main_~pa~0#1.base| 4)) (let ((.cse10 (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) 0))) (and .cse9 (<= 5 |ULTIMATE.start_main_~pa~0#1.base|) (<= 1 .cse10) (<= .cse10 2147483647))))) (<= .cse2 2147483647) (= 8 (select |#length| 5)) (<= 0 (+ (select .cse11 0) 2147483638)) (or (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~pd1~0#1.base|) 0)) (not |ULTIMATE.start_main_#t~short17#1|))))) [2023-11-19 04:10:35,759 INFO L899 garLoopResultBuilder]: For program point L46-4(lines 46 48) no Hoare annotation was computed. [2023-11-19 04:10:35,759 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:10:35,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-19 04:10:35,759 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-19 04:10:35,759 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2023-11-19 04:10:35,759 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 52) no Hoare annotation was computed. [2023-11-19 04:10:35,760 INFO L899 garLoopResultBuilder]: For program point L43-4(lines 43 52) no Hoare annotation was computed. [2023-11-19 04:10:35,760 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2023-11-19 04:10:35,760 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2023-11-19 04:10:35,763 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 04:10:35,765 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:10:35,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd3~0!base][~pd3~0!offset] could not be translated [2023-11-19 04:10:35,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated [2023-11-19 04:10:35,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-19 04:10:35,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet10_37 : int :: ((5 == ~pd1~0!base && v_get_dummy_#t~nondet10_37 % 256 == 0) || (4 == ~pd1~0!base && !(v_get_dummy_#t~nondet10_37 % 256 == 0))) && ~pd1~0!offset == 0) could not be translated [2023-11-19 04:10:35,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 04:10:35,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 04:10:35,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][4] could not be translated [2023-11-19 04:10:35,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd3~0!base][~pd3~0!offset] could not be translated [2023-11-19 04:10:35,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-19 04:10:35,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated [2023-11-19 04:10:35,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated [2023-11-19 04:10:35,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_23 : [int,int]int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet7#1_4 : int, v_ULTIMATE.start_init_#t~nondet4#1_9 : int :: (((((((((((v_#memory_int_24 == v_#memory_int_23[4 := v_#memory_int_23[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_9][4 := v_#memory_int_24[4][4]]] && v_#memory_int_24[4][4] <= 2147483647) && v_#memory_int_23[5][4] == 0) && v_ULTIMATE.start_init_#t~nondet4#1_9 <= 2147483647) && v_#memory_int_23[4][0] == 0) && v_#memory_int_23[4][4] == 0) && v_ULTIMATE.start_init_#t~nondet7#1_4 <= 2147483647) && v_#memory_int_23[1][0] == 48) && v_#memory_int_23[5][0] == 0) && #memory_int == v_#memory_int_24[5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet7#1_4][4 := #memory_int[5][4]]]) && 0 <= 2147483638 + v_#memory_int_24[4][0]) && 0 <= v_#memory_int_24[4][4] + 2147483648) && v_#memory_int_23[1][1] == 0) could not be translated [2023-11-19 04:10:35,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 04:10:35,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 04:10:35,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet10_5 : int :: ~pd2~0!offset == 0 && ((5 == ~pd2~0!base && v_get_dummy_#t~nondet10_5 % 256 == 0) || (!(v_get_dummy_#t~nondet10_5 % 256 == 0) && 4 == ~pd2~0!base))) could not be translated [2023-11-19 04:10:35,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 04:10:35,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[4][0] could not be translated [2023-11-19 04:10:35,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][0] could not be translated [2023-11-19 04:10:35,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][0] could not be translated [2023-11-19 04:10:35,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][4] could not be translated [2023-11-19 04:10:35,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated [2023-11-19 04:10:35,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][0] could not be translated [2023-11-19 04:10:35,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd1~0!base][0] could not be translated [2023-11-19 04:10:35,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-19 04:10:35,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:10:35 BoogieIcfgContainer [2023-11-19 04:10:35,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:10:35,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:10:35,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:10:35,792 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:10:35,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:52" (3/4) ... [2023-11-19 04:10:35,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:10:35,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2023-11-19 04:10:35,798 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:10:35,803 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 04:10:35,804 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 04:10:35,804 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:10:35,805 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:10:35,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:10:35,902 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:10:35,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:10:35,903 INFO L158 Benchmark]: Toolchain (without parser) took 44087.04ms. Allocated memory was 163.6MB in the beginning and 576.7MB in the end (delta: 413.1MB). Free memory was 131.2MB in the beginning and 275.5MB in the end (delta: -144.2MB). Peak memory consumption was 269.4MB. Max. memory is 16.1GB. [2023-11-19 04:10:35,903 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:10:35,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.76ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 133.5MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:10:35,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.54ms. Allocated memory is still 163.6MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:10:35,904 INFO L158 Benchmark]: Boogie Preprocessor took 29.70ms. Allocated memory is still 163.6MB. Free memory was 131.4MB in the beginning and 130.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:10:35,905 INFO L158 Benchmark]: RCFGBuilder took 454.81ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 113.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:10:35,905 INFO L158 Benchmark]: TraceAbstraction took 43062.82ms. Allocated memory was 163.6MB in the beginning and 576.7MB in the end (delta: 413.1MB). Free memory was 112.5MB in the beginning and 280.7MB in the end (delta: -168.2MB). Peak memory consumption was 329.9MB. Max. memory is 16.1GB. [2023-11-19 04:10:35,906 INFO L158 Benchmark]: Witness Printer took 110.88ms. Allocated memory is still 576.7MB. Free memory was 280.7MB in the beginning and 275.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:10:35,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.76ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 133.5MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.54ms. Allocated memory is still 163.6MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.70ms. Allocated memory is still 163.6MB. Free memory was 131.4MB in the beginning and 130.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.81ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 113.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 43062.82ms. Allocated memory was 163.6MB in the beginning and 576.7MB in the end (delta: 413.1MB). Free memory was 112.5MB in the beginning and 280.7MB in the end (delta: -168.2MB). Peak memory consumption was 329.9MB. Max. memory is 16.1GB. * Witness Printer took 110.88ms. Allocated memory is still 576.7MB. Free memory was 280.7MB in the beginning and 275.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd3~0!base][~pd3~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet10_37 : int :: ((5 == ~pd1~0!base && v_get_dummy_#t~nondet10_37 % 256 == 0) || (4 == ~pd1~0!base && !(v_get_dummy_#t~nondet10_37 % 256 == 0))) && ~pd1~0!offset == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd3~0!base][~pd3~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_23 : [int,int]int, v_#memory_int_24 : [int,int]int, v_ULTIMATE.start_init_#t~nondet7#1_4 : int, v_ULTIMATE.start_init_#t~nondet4#1_9 : int :: (((((((((((v_#memory_int_24 == v_#memory_int_23[4 := v_#memory_int_23[4][0 := v_ULTIMATE.start_init_#t~nondet4#1_9][4 := v_#memory_int_24[4][4]]] && v_#memory_int_24[4][4] <= 2147483647) && v_#memory_int_23[5][4] == 0) && v_ULTIMATE.start_init_#t~nondet4#1_9 <= 2147483647) && v_#memory_int_23[4][0] == 0) && v_#memory_int_23[4][4] == 0) && v_ULTIMATE.start_init_#t~nondet7#1_4 <= 2147483647) && v_#memory_int_23[1][0] == 48) && v_#memory_int_23[5][0] == 0) && #memory_int == v_#memory_int_24[5 := v_#memory_int_24[5][0 := v_ULTIMATE.start_init_#t~nondet7#1_4][4 := #memory_int[5][4]]]) && 0 <= 2147483638 + v_#memory_int_24[4][0]) && 0 <= v_#memory_int_24[4][4] + 2147483648) && v_#memory_int_23[1][1] == 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_get_dummy_#t~nondet10_5 : int :: ~pd2~0!offset == 0 && ((5 == ~pd2~0!base && v_get_dummy_#t~nondet10_5 % 256 == 0) || (!(v_get_dummy_#t~nondet10_5 % 256 == 0) && 4 == ~pd2~0!base))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[4][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pa~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~pd1~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 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: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: 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 3 procedures, 31 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 43.0s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 187 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 722 IncrementalHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 69 mSDtfsCounter, 722 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 102 SyntacticMatches, 9 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1728 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 60, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 13 NumberOfFragments, 1396 HoareAnnotationTreeSize, 11 FomulaSimplifications, 439 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 8 FomulaSimplificationsInter, 3087 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 187 ConstructedInterpolants, 13 QuantifiedInterpolants, 2881 SizeOfPredicates, 24 NumberOfNonLiveVariables, 309 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 47/64 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: OVERALL_TIME: 5.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 25, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME: 2.8s, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME: 0.8s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 42, TOOLS_QUANTIFIERELIM_TIME: 4.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 62, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 393, DAG_COMPRESSION_RETAINED_NODES: 65, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) RESULT: Ultimate proved your program to be correct! [2023-11-19 04:10:35,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9adbf9-1297-46b8-8148-b633151b57ac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE