./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire --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 b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:55,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:56,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:17:56,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:56,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:56,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:56,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:56,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:56,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:56,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:56,062 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:56,062 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:56,063 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:56,064 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:56,065 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:56,065 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:56,066 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:56,066 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:56,067 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:56,067 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:56,067 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:56,068 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:56,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:56,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:56,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:17:56,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:56,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:17:56,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:56,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:56,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:56,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:56,074 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:17:56,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:17:56,074 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:17:56,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:56,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:56,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:56,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:56,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:56,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:56,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:56,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:56,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:56,077 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:56,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:56,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:56,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:56,078 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:56,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:56,079 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_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 [2023-11-23 21:17:56,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:56,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:56,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:56,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:56,424 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:56,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2023-11-23 21:17:59,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:00,169 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:00,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2023-11-23 21:18:00,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/data/931efe9fd/4f2e953496d84d169c130e64632dd5f1/FLAGb42a50f0f [2023-11-23 21:18:00,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/data/931efe9fd/4f2e953496d84d169c130e64632dd5f1 [2023-11-23 21:18:00,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:00,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:00,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:00,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:00,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:00,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:00" (1/1) ... [2023-11-23 21:18:00,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8d80d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:00, skipping insertion in model container [2023-11-23 21:18:00,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:00" (1/1) ... [2023-11-23 21:18:00,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:01,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:01,051 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:01,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:01,289 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:01,297 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:01,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01 WrapperNode [2023-11-23 21:18:01,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:01,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:01,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:01,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:01,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,453 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1380 [2023-11-23 21:18:01,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:01,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:01,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:01,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:01,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:01,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:01,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:01,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:01,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (1/1) ... [2023-11-23 21:18:01,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:01,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:01,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:01,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 21:18:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 21:18:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:18:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:18:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:18:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:18:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:18:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:18:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:18:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:18:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:18:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:18:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:01,964 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:01,968 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:03,483 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:04,981 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:04,981 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 21:18:04,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:04 BoogieIcfgContainer [2023-11-23 21:18:04,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:04,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:04,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:04,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:04,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:00" (1/3) ... [2023-11-23 21:18:04,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ade140e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:04, skipping insertion in model container [2023-11-23 21:18:04,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:01" (2/3) ... [2023-11-23 21:18:04,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ade140e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:04, skipping insertion in model container [2023-11-23 21:18:04,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:04" (3/3) ... [2023-11-23 21:18:04,997 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-2.i [2023-11-23 21:18:05,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:05,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-23 21:18:05,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:05,093 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;@72b5bdb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:05,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-23 21:18:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 125 states have (on average 1.752) internal successors, (219), 140 states have internal predecessors, (219), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:18:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:18:05,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:05,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:18:05,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:18:05,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:05,117 INFO L85 PathProgramCache]: Analyzing trace with hash 47675213, now seen corresponding path program 1 times [2023-11-23 21:18:05,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:05,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015337207] [2023-11-23 21:18:05,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:05,265 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:18:05,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [807527258] [2023-11-23 21:18:05,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:05,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:05,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:05,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:05,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:18:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:05,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:18:05,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:05,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 21:18:05,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:18:05,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 21:18:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:05,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:18:05,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:05,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015337207] [2023-11-23 21:18:05,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:18:05,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807527258] [2023-11-23 21:18:05,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807527258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:05,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:18:05,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207598348] [2023-11-23 21:18:05,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:05,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:18:05,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:05,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:18:05,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:18:05,791 INFO L87 Difference]: Start difference. First operand has 147 states, 125 states have (on average 1.752) internal successors, (219), 140 states have internal predecessors, (219), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:18:07,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:09,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:14,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:15,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:17,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:19,557 INFO L93 Difference]: Finished difference Result 374 states and 630 transitions. [2023-11-23 21:18:19,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:18:19,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-23 21:18:19,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:19,579 INFO L225 Difference]: With dead ends: 374 [2023-11-23 21:18:19,579 INFO L226 Difference]: Without dead ends: 200 [2023-11-23 21:18:19,583 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 [2023-11-23 21:18:19,588 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 87 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:19,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 380 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 4 Unknown, 0 Unchecked, 13.6s Time] [2023-11-23 21:18:19,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-23 21:18:19,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 130. [2023-11-23 21:18:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 112 states have (on average 1.25) internal successors, (140), 124 states have internal predecessors, (140), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:18:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 156 transitions. [2023-11-23 21:18:19,671 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 156 transitions. Word has length 4 [2023-11-23 21:18:19,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:19,672 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 156 transitions. [2023-11-23 21:18:19,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:18:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 156 transitions. [2023-11-23 21:18:19,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:18:19,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:19,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:19,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:19,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:18:19,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:18:19,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash -284718222, now seen corresponding path program 1 times [2023-11-23 21:18:19,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:19,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916220258] [2023-11-23 21:18:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:19,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:20,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:20,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916220258] [2023-11-23 21:18:20,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916220258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:20,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:20,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:20,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728815460] [2023-11-23 21:18:20,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:20,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:18:20,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:18:20,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:18:20,636 INFO L87 Difference]: Start difference. First operand 130 states and 156 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:18:22,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:24,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:25,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:27,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:29,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:31,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:33,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:35,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:37,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:39,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:41,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:43,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:43,263 INFO L93 Difference]: Finished difference Result 149 states and 177 transitions. [2023-11-23 21:18:43,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:18:43,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-23 21:18:43,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:43,269 INFO L225 Difference]: With dead ends: 149 [2023-11-23 21:18:43,269 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:18:43,270 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 [2023-11-23 21:18:43,271 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:43,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 180 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 7 Unknown, 0 Unchecked, 22.6s Time] [2023-11-23 21:18:43,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:18:43,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69. [2023-11-23 21:18:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 64 states have internal predecessors, (71), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:18:43,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2023-11-23 21:18:43,282 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 22 [2023-11-23 21:18:43,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:43,282 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2023-11-23 21:18:43,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:18:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-11-23 21:18:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:18:43,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:43,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:43,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:18:43,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:18:43,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash -154993763, now seen corresponding path program 1 times [2023-11-23 21:18:43,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:43,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344634263] [2023-11-23 21:18:43,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:43,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:43,362 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:18:43,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854497591] [2023-11-23 21:18:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:43,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:43,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:43,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:43,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:18:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:43,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:18:43,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:43,872 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:18:43,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:43,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344634263] [2023-11-23 21:18:43,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:18:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854497591] [2023-11-23 21:18:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854497591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:43,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:43,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:18:43,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491957968] [2023-11-23 21:18:43,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:43,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:43,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:43,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:43,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:43,877 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2023-11-23 21:18:45,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:47,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:47,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:47,916 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2023-11-23 21:18:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:47,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-23 21:18:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:47,920 INFO L225 Difference]: With dead ends: 75 [2023-11-23 21:18:47,920 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:18:47,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:47,922 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:47,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 21:18:47,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:18:47,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:18:47,924 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) [2023-11-23 21:18:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:18:47,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-11-23 21:18:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:47,925 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:18:47,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2023-11-23 21:18:47,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:18:47,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:18:47,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-23 21:18:47,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-23 21:18:47,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-23 21:18:47,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-23 21:18:47,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-23 21:18:47,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-23 21:18:47,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-23 21:18:47,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-23 21:18:47,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:48,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:48,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:18:48,243 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(lines 777 779) no Hoare annotation was computed. [2023-11-23 21:18:48,244 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 777 779) the Hoare annotation is: true [2023-11-23 21:18:48,244 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:18:48,244 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-23 21:18:48,245 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-23 21:18:48,245 INFO L899 garLoopResultBuilder]: For program point L821-212(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,245 INFO L895 garLoopResultBuilder]: At program point L821-214(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 814) no Hoare annotation was computed. [2023-11-23 21:18:48,245 INFO L899 garLoopResultBuilder]: For program point L821-215(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,245 INFO L902 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: true [2023-11-23 21:18:48,246 INFO L899 garLoopResultBuilder]: For program point L828-1(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:18:48,246 INFO L899 garLoopResultBuilder]: For program point L821-225(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,246 INFO L899 garLoopResultBuilder]: For program point L821-235(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,246 INFO L895 garLoopResultBuilder]: At program point L821-236(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,246 INFO L899 garLoopResultBuilder]: For program point L821-237(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,247 INFO L895 garLoopResultBuilder]: At program point L821-246(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,247 INFO L895 garLoopResultBuilder]: At program point L821-248(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,247 INFO L899 garLoopResultBuilder]: For program point L821-249(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,247 INFO L899 garLoopResultBuilder]: For program point L821-255(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,247 INFO L899 garLoopResultBuilder]: For program point L821-256(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,247 INFO L895 garLoopResultBuilder]: At program point L821-257(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,248 INFO L899 garLoopResultBuilder]: For program point L821-259(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,248 INFO L899 garLoopResultBuilder]: For program point L821-260(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,248 INFO L895 garLoopResultBuilder]: At program point L821-261(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,248 INFO L899 garLoopResultBuilder]: For program point L821-262(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,248 INFO L899 garLoopResultBuilder]: For program point L821-263(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,248 INFO L899 garLoopResultBuilder]: For program point L824-170(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,249 INFO L895 garLoopResultBuilder]: At program point L821-264(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,249 INFO L895 garLoopResultBuilder]: At program point L824-171(line 824) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:18:48,249 INFO L899 garLoopResultBuilder]: For program point L821-265(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,249 INFO L899 garLoopResultBuilder]: For program point L824-172(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,250 INFO L895 garLoopResultBuilder]: At program point L821-266(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,250 INFO L899 garLoopResultBuilder]: For program point L824-173(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,250 INFO L899 garLoopResultBuilder]: For program point L821-267(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,250 INFO L895 garLoopResultBuilder]: At program point L824-174(line 824) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:18:48,250 INFO L899 garLoopResultBuilder]: For program point L821-268(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,251 INFO L899 garLoopResultBuilder]: For program point L824-175(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,251 INFO L895 garLoopResultBuilder]: At program point L821-269(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:18:48,251 INFO L895 garLoopResultBuilder]: At program point L824-176(line 824) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:18:48,251 INFO L899 garLoopResultBuilder]: For program point L824-178(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,251 INFO L899 garLoopResultBuilder]: For program point L824-185(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,251 INFO L895 garLoopResultBuilder]: At program point L824-186(line 824) the Hoare annotation is: false [2023-11-23 21:18:48,252 INFO L899 garLoopResultBuilder]: For program point L824-187(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,252 INFO L899 garLoopResultBuilder]: For program point L824-188(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,252 INFO L899 garLoopResultBuilder]: For program point L824-190(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,252 INFO L895 garLoopResultBuilder]: At program point L824-191(line 824) the Hoare annotation is: false [2023-11-23 21:18:48,253 INFO L899 garLoopResultBuilder]: For program point L824-197(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,253 INFO L899 garLoopResultBuilder]: For program point L824-198(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,253 INFO L899 garLoopResultBuilder]: For program point L824-201(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,253 INFO L899 garLoopResultBuilder]: For program point L824-202(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,253 INFO L899 garLoopResultBuilder]: For program point L824-204(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,253 INFO L895 garLoopResultBuilder]: At program point L824-205(line 824) the Hoare annotation is: false [2023-11-23 21:18:48,254 INFO L895 garLoopResultBuilder]: At program point L824-207(line 824) the Hoare annotation is: false [2023-11-23 21:18:48,254 INFO L899 garLoopResultBuilder]: For program point L824-208(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,254 INFO L895 garLoopResultBuilder]: At program point L824-209(line 824) the Hoare annotation is: false [2023-11-23 21:18:48,254 INFO L899 garLoopResultBuilder]: For program point L824-211(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,254 INFO L899 garLoopResultBuilder]: For program point L824-213(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,255 INFO L895 garLoopResultBuilder]: At program point L824-214(line 824) the Hoare annotation is: false [2023-11-23 21:18:48,255 INFO L899 garLoopResultBuilder]: For program point L824-215(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,255 INFO L899 garLoopResultBuilder]: For program point L824-216(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,255 INFO L895 garLoopResultBuilder]: At program point L824-217(line 824) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:18:48,255 INFO L899 garLoopResultBuilder]: For program point L824-218(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:18:48,255 INFO L902 garLoopResultBuilder]: At program point L832-9(lines 832 835) the Hoare annotation is: true [2023-11-23 21:18:48,256 INFO L899 garLoopResultBuilder]: For program point L833-3(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,256 INFO L899 garLoopResultBuilder]: For program point L833-8(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,256 INFO L899 garLoopResultBuilder]: For program point L833-11(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,256 INFO L902 garLoopResultBuilder]: At program point L833-12(line 833) the Hoare annotation is: true [2023-11-23 21:18:48,256 INFO L899 garLoopResultBuilder]: For program point L833-13(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,256 INFO L899 garLoopResultBuilder]: For program point L833-22(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,257 INFO L902 garLoopResultBuilder]: At program point L833-23(line 833) the Hoare annotation is: true [2023-11-23 21:18:48,257 INFO L899 garLoopResultBuilder]: For program point L833-34(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,257 INFO L902 garLoopResultBuilder]: At program point L833-35(line 833) the Hoare annotation is: true [2023-11-23 21:18:48,257 INFO L899 garLoopResultBuilder]: For program point L833-36(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,257 INFO L899 garLoopResultBuilder]: For program point L833-37(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,258 INFO L899 garLoopResultBuilder]: For program point L833-38(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,258 INFO L902 garLoopResultBuilder]: At program point L833-39(line 833) the Hoare annotation is: true [2023-11-23 21:18:48,258 INFO L899 garLoopResultBuilder]: For program point L833-40(line 833) no Hoare annotation was computed. [2023-11-23 21:18:48,258 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 787) no Hoare annotation was computed. [2023-11-23 21:18:48,258 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:18:48,258 INFO L899 garLoopResultBuilder]: For program point L787(line 787) no Hoare annotation was computed. [2023-11-23 21:18:48,259 INFO L899 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2023-11-23 21:18:48,259 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 803) no Hoare annotation was computed. [2023-11-23 21:18:48,259 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2023-11-23 21:18:48,259 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 820) no Hoare annotation was computed. [2023-11-23 21:18:48,259 INFO L895 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: false [2023-11-23 21:18:48,260 INFO L899 garLoopResultBuilder]: For program point L791(line 791) no Hoare annotation was computed. [2023-11-23 21:18:48,260 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: false [2023-11-23 21:18:48,260 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-11-23 21:18:48,260 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: false [2023-11-23 21:18:48,260 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-11-23 21:18:48,260 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: false [2023-11-23 21:18:48,261 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-11-23 21:18:48,261 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: false [2023-11-23 21:18:48,261 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 814) no Hoare annotation was computed. [2023-11-23 21:18:48,261 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2023-11-23 21:18:48,261 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 787) no Hoare annotation was computed. [2023-11-23 21:18:48,261 INFO L899 garLoopResultBuilder]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2023-11-23 21:18:48,262 INFO L899 garLoopResultBuilder]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2023-11-23 21:18:48,262 INFO L899 garLoopResultBuilder]: For program point L814-4(line 814) no Hoare annotation was computed. [2023-11-23 21:18:48,262 INFO L899 garLoopResultBuilder]: For program point L814-5(line 814) no Hoare annotation was computed. [2023-11-23 21:18:48,262 INFO L895 garLoopResultBuilder]: At program point L814-6(lines 814 822) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:18:48,262 INFO L899 garLoopResultBuilder]: For program point L814-7(lines 814 822) no Hoare annotation was computed. [2023-11-23 21:18:48,263 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2023-11-23 21:18:48,263 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-11-23 21:18:48,263 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-11-23 21:18:48,263 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 820) no Hoare annotation was computed. [2023-11-23 21:18:48,263 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:18:48,264 INFO L899 garLoopResultBuilder]: For program point L823-1(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:18:48,264 INFO L899 garLoopResultBuilder]: For program point L823-3(line 823) no Hoare annotation was computed. [2023-11-23 21:18:48,264 INFO L899 garLoopResultBuilder]: For program point L823-4(line 823) no Hoare annotation was computed. [2023-11-23 21:18:48,264 INFO L895 garLoopResultBuilder]: At program point L823-5(lines 823 830) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:18:48,264 INFO L899 garLoopResultBuilder]: For program point L821-68(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,265 INFO L899 garLoopResultBuilder]: For program point L823-6(lines 823 830) no Hoare annotation was computed. [2023-11-23 21:18:48,265 INFO L895 garLoopResultBuilder]: At program point L821-69(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:18:48,265 INFO L899 garLoopResultBuilder]: For program point L821-70(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,265 INFO L895 garLoopResultBuilder]: At program point L821-71(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:18:48,265 INFO L899 garLoopResultBuilder]: For program point L824-68(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,265 INFO L895 garLoopResultBuilder]: At program point L824-69(line 824) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:18:48,266 INFO L899 garLoopResultBuilder]: For program point L824-70(line 824) no Hoare annotation was computed. [2023-11-23 21:18:48,266 INFO L895 garLoopResultBuilder]: At program point L824-71(line 824) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-23 21:18:48,266 INFO L899 garLoopResultBuilder]: For program point L821-170(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,266 INFO L895 garLoopResultBuilder]: At program point L821-171(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:18:48,266 INFO L899 garLoopResultBuilder]: For program point L821-172(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,266 INFO L899 garLoopResultBuilder]: For program point L821-173(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,267 INFO L895 garLoopResultBuilder]: At program point L821-174(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:18:48,267 INFO L899 garLoopResultBuilder]: For program point L821-175(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,267 INFO L895 garLoopResultBuilder]: At program point L821-176(line 821) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-23 21:18:48,267 INFO L899 garLoopResultBuilder]: For program point L821-178(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,267 INFO L899 garLoopResultBuilder]: For program point L821-180(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,268 INFO L895 garLoopResultBuilder]: At program point L821-182(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,268 INFO L899 garLoopResultBuilder]: For program point L821-183(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,268 INFO L899 garLoopResultBuilder]: For program point L821-184(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,268 INFO L895 garLoopResultBuilder]: At program point L821-186(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,268 INFO L899 garLoopResultBuilder]: For program point L821-187(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,268 INFO L899 garLoopResultBuilder]: For program point L821-188(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,269 INFO L895 garLoopResultBuilder]: At program point L821-189(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,269 INFO L899 garLoopResultBuilder]: For program point L821-190(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,269 INFO L899 garLoopResultBuilder]: For program point L821-193(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,269 INFO L895 garLoopResultBuilder]: At program point L821-194(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,269 INFO L899 garLoopResultBuilder]: For program point L821-202(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,269 INFO L895 garLoopResultBuilder]: At program point L821-203(line 821) the Hoare annotation is: false [2023-11-23 21:18:48,270 INFO L899 garLoopResultBuilder]: For program point L821-210(line 821) no Hoare annotation was computed. [2023-11-23 21:18:48,270 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2023-11-23 21:18:48,270 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 783) no Hoare annotation was computed. [2023-11-23 21:18:48,270 INFO L899 garLoopResultBuilder]: For program point L781-1(lines 780 784) no Hoare annotation was computed. [2023-11-23 21:18:48,270 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 780 784) no Hoare annotation was computed. [2023-11-23 21:18:48,270 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 780 784) the Hoare annotation is: true [2023-11-23 21:18:48,274 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 21:18:48,277 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:48,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,295 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,299 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 21:18:48,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:48 BoogieIcfgContainer [2023-11-23 21:18:48,300 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:48,300 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:48,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:48,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:48,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:04" (3/4) ... [2023-11-23 21:18:48,304 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:18:48,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-23 21:18:48,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 21:18:48,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:18:48,336 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 245 nodes and edges [2023-11-23 21:18:48,339 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-23 21:18:48,341 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 21:18:48,344 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:18:48,519 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:18:48,520 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:18:48,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:48,521 INFO L158 Benchmark]: Toolchain (without parser) took 48308.68ms. Allocated memory was 117.4MB in the beginning and 255.9MB in the end (delta: 138.4MB). Free memory was 67.0MB in the beginning and 134.2MB in the end (delta: -67.2MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2023-11-23 21:18:48,521 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:48,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1084.91ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 67.0MB in the beginning and 120.7MB in the end (delta: -53.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:48,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.97ms. Allocated memory is still 169.9MB. Free memory was 120.7MB in the beginning and 111.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:18:48,523 INFO L158 Benchmark]: Boogie Preprocessor took 140.24ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 102.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:18:48,523 INFO L158 Benchmark]: RCFGBuilder took 3388.54ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 102.6MB in the beginning and 120.9MB in the end (delta: -18.3MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:48,524 INFO L158 Benchmark]: TraceAbstraction took 43311.32ms. Allocated memory was 205.5MB in the beginning and 255.9MB in the end (delta: 50.3MB). Free memory was 119.9MB in the beginning and 151.0MB in the end (delta: -31.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:48,524 INFO L158 Benchmark]: Witness Printer took 219.76ms. Allocated memory is still 255.9MB. Free memory was 151.0MB in the beginning and 134.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:18:48,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1084.91ms. Allocated memory was 117.4MB in the beginning and 169.9MB in the end (delta: 52.4MB). Free memory was 67.0MB in the beginning and 120.7MB in the end (delta: -53.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.97ms. Allocated memory is still 169.9MB. Free memory was 120.7MB in the beginning and 111.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.24ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 102.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3388.54ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 102.6MB in the beginning and 120.9MB in the end (delta: -18.3MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * TraceAbstraction took 43311.32ms. Allocated memory was 205.5MB in the beginning and 255.9MB in the end (delta: 50.3MB). Free memory was 119.9MB in the beginning and 151.0MB in the end (delta: -31.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Witness Printer took 219.76ms. Allocated memory is still 255.9MB. Free memory was 151.0MB in the beginning and 134.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] 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: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 147 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 43.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 40.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 40.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 567 SdHoareTripleChecker+Invalid, 40.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 357 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 210 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 78 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 81 PreInvPairs, 104 NumberOfFragments, 145 HoareAnnotationTreeSize, 81 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 5 NumberOfNonLiveVariables, 397 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-23 21:18:48,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb000569-e4c6-4f1f-bf66-3c965bc42a5b/bin/utaipan-verify-mE87zJ7Ire/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