./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5 --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 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:51:43,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:51:43,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-21 19:51:43,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:51:43,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:51:43,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:51:43,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:51:43,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:51:43,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:51:43,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:51:43,994 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:51:43,995 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:51:43,996 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:51:43,997 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:51:43,998 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:51:43,998 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:51:43,999 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:51:43,999 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:51:44,000 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:51:44,001 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:51:44,001 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:51:44,002 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:51:44,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:51:44,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:51:44,004 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:51:44,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:51:44,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:51:44,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:51:44,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:51:44,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:51:44,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:51:44,008 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:51:44,008 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:51:44,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:51:44,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:51:44,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:51:44,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:51:44,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:51:44,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:51:44,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:51:44,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:51:44,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:51:44,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:51:44,035 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:51:44,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:51:44,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:51:44,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:51:44,036 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:51:44,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:51:44,037 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_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8374eced2cbda6aab489eb004cb8e41f23aad88b98cd5c6913f13583171f2c3f [2023-11-21 19:51:44,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:51:44,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:51:44,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:51:44,414 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:51:44,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:51:44,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-21 19:51:47,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:51:47,859 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:51:47,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-1.i [2023-11-21 19:51:47,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/data/bc31003a3/d8de4ff343d646af873c2ee3ec0f35af/FLAG5e178cc86 [2023-11-21 19:51:47,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/data/bc31003a3/d8de4ff343d646af873c2ee3ec0f35af [2023-11-21 19:51:47,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:51:47,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:51:47,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:51:47,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:51:47,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:51:47,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:51:47" (1/1) ... [2023-11-21 19:51:47,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efe6ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:47, skipping insertion in model container [2023-11-21 19:51:47,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:51:47" (1/1) ... [2023-11-21 19:51:48,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:51:48,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:51:48,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:51:48,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:51:49,027 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:51:49,035 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:51:49,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49 WrapperNode [2023-11-21 19:51:49,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:51:49,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:51:49,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:51:49,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:51:49,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,225 INFO L138 Inliner]: procedures = 282, calls = 298, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1383 [2023-11-21 19:51:49,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:51:49,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:51:49,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:51:49,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:51:49,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:51:49,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:51:49,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:51:49,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:51:49,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (1/1) ... [2023-11-21 19:51:49,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:51:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:51:49,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:51:49,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:51:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 19:51:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 19:51:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:51:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 19:51:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:51:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:51:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-21 19:51:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-21 19:51:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:51:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 19:51:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 19:51:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:51:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:51:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:51:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-21 19:51:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-21 19:51:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:51:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-21 19:51:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-21 19:51:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:51:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:51:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:51:49,775 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:51:49,781 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:51:51,405 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:51:53,018 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:51:53,018 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 19:51:53,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:51:53 BoogieIcfgContainer [2023-11-21 19:51:53,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:51:53,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:51:53,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:51:53,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:51:53,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:51:47" (1/3) ... [2023-11-21 19:51:53,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4b250f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:51:53, skipping insertion in model container [2023-11-21 19:51:53,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:49" (2/3) ... [2023-11-21 19:51:53,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4b250f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:51:53, skipping insertion in model container [2023-11-21 19:51:53,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:51:53" (3/3) ... [2023-11-21 19:51:53,029 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-1.i [2023-11-21 19:51:53,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:51:53,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-11-21 19:51:53,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:51:53,110 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;@660818b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:51:53,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-21 19:51:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 140 states have (on average 1.6857142857142857) internal successors, (236), 157 states have internal predecessors, (236), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-21 19:51:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 19:51:53,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:51:53,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 19:51:53,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-21 19:51:53,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:51:53,128 INFO L85 PathProgramCache]: Analyzing trace with hash 48544582, now seen corresponding path program 1 times [2023-11-21 19:51:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:51:53,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107275546] [2023-11-21 19:51:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:51:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:51:53,267 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 19:51:53,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657077271] [2023-11-21 19:51:53,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:51:53,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:51:53,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:51:53,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 19:51:53,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 19:51:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:51:53,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 19:51:53,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:51:53,712 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-21 19:51:53,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-21 19:51:53,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-21 19:51:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 19:51:53,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 19:51:53,791 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 19:51:53,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 21 treesize of output 5 [2023-11-21 19:51:53,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-21 19:51:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 19:51:53,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 19:51:53,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 84 [2023-11-21 19:51:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 19:51:54,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-21 19:51:54,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 7 [2023-11-21 19:51:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:51:54,029 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:51:54,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:51:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107275546] [2023-11-21 19:51:54,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 19:51:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657077271] [2023-11-21 19:51:54,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657077271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:51:54,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:51:54,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:51:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627394465] [2023-11-21 19:51:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:51:54,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:51:54,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:51:54,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:51:54,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:51:54,077 INFO L87 Difference]: Start difference. First operand has 177 states, 140 states have (on average 1.6857142857142857) internal successors, (236), 157 states have internal predecessors, (236), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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) [2023-11-21 19:51:56,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:51:58,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:52:00,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:52:02,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:52:04,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:52:05,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:52:08,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:52:10,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:52:12,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:52:14,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:52:16,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:52:18,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-21 19:52:20,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-21 19:52:20,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:52:20,728 INFO L93 Difference]: Finished difference Result 423 states and 682 transitions. [2023-11-21 19:52:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 19:52:20,732 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 [2023-11-21 19:52:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:52:20,744 INFO L225 Difference]: With dead ends: 423 [2023-11-21 19:52:20,744 INFO L226 Difference]: Without dead ends: 224 [2023-11-21 19:52:20,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:52:20,753 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 76 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2023-11-21 19:52:20,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 450 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 154 Invalid, 8 Unknown, 0 Unchecked, 26.5s Time] [2023-11-21 19:52:20,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-21 19:52:20,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 166. [2023-11-21 19:52:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 138 states have (on average 1.2246376811594204) internal successors, (169), 152 states have internal predecessors, (169), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 19:52:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 189 transitions. [2023-11-21 19:52:20,845 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 189 transitions. Word has length 4 [2023-11-21 19:52:20,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:52:20,845 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 189 transitions. [2023-11-21 19:52:20,846 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) [2023-11-21 19:52:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 189 transitions. [2023-11-21 19:52:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 19:52:20,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:52:20,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:52:20,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 19:52:21,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 19:52:21,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-21 19:52:21,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:52:21,057 INFO L85 PathProgramCache]: Analyzing trace with hash 203376575, now seen corresponding path program 1 times [2023-11-21 19:52:21,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:52:21,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221461461] [2023-11-21 19:52:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:52:21,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:52:21,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 19:52:21,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1364632913] [2023-11-21 19:52:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:52:21,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:52:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:52:21,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 19:52:21,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 19:52:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:52:21,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 19:52:21,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:52:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:52:21,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:52:21,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:52:21,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221461461] [2023-11-21 19:52:21,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 19:52:21,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364632913] [2023-11-21 19:52:21,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364632913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:52:21,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:52:21,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:52:21,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112606914] [2023-11-21 19:52:21,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:52:21,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:52:21,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:52:21,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:52:21,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:52:21,539 INFO L87 Difference]: Start difference. First operand 166 states and 189 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:52:23,582 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 [] [2023-11-21 19:52:25,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:52:27,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:52:29,613 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 [] [2023-11-21 19:52:29,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:52:29,619 INFO L93 Difference]: Finished difference Result 175 states and 198 transitions. [2023-11-21 19:52:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:52:29,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-21 19:52:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:52:29,627 INFO L225 Difference]: With dead ends: 175 [2023-11-21 19:52:29,627 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:52:29,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:52:29,630 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 12 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:52:29,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 32 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2023-11-21 19:52:29,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:52:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:52:29,631 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) [2023-11-21 19:52:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:52:29,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-21 19:52:29,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:52:29,632 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:52:29,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:52:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:52:29,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:52:29,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2023-11-21 19:52:29,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2023-11-21 19:52:29,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2023-11-21 19:52:29,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2023-11-21 19:52:29,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2023-11-21 19:52:29,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2023-11-21 19:52:29,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2023-11-21 19:52:29,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2023-11-21 19:52:29,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2023-11-21 19:52:29,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2023-11-21 19:52:29,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2023-11-21 19:52:29,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2023-11-21 19:52:29,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2023-11-21 19:52:29,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2023-11-21 19:52:29,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 19:52:29,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:52:29,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:52:30,070 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(lines 934 936) no Hoare annotation was computed. [2023-11-21 19:52:30,070 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 934 936) the Hoare annotation is: true [2023-11-21 19:52:30,071 INFO L902 garLoopResultBuilder]: At program point L953(line 953) the Hoare annotation is: true [2023-11-21 19:52:30,071 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 954) no Hoare annotation was computed. [2023-11-21 19:52:30,071 INFO L899 garLoopResultBuilder]: For program point alt_mallocEXIT(lines 949 956) no Hoare annotation was computed. [2023-11-21 19:52:30,071 INFO L899 garLoopResultBuilder]: For program point L951(line 951) no Hoare annotation was computed. [2023-11-21 19:52:30,071 INFO L899 garLoopResultBuilder]: For program point L952-1(lines 952 954) no Hoare annotation was computed. [2023-11-21 19:52:30,072 INFO L899 garLoopResultBuilder]: For program point L951-1(line 951) no Hoare annotation was computed. [2023-11-21 19:52:30,072 INFO L899 garLoopResultBuilder]: For program point alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 951) no Hoare annotation was computed. [2023-11-21 19:52:30,072 INFO L899 garLoopResultBuilder]: For program point alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 951) no Hoare annotation was computed. [2023-11-21 19:52:30,072 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 949 956) the Hoare annotation is: true [2023-11-21 19:52:30,073 INFO L902 garLoopResultBuilder]: At program point L961(line 961) the Hoare annotation is: true [2023-11-21 19:52:30,073 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 962) no Hoare annotation was computed. [2023-11-21 19:52:30,073 INFO L899 garLoopResultBuilder]: For program point L959(line 959) no Hoare annotation was computed. [2023-11-21 19:52:30,073 INFO L899 garLoopResultBuilder]: For program point L960-1(lines 960 962) no Hoare annotation was computed. [2023-11-21 19:52:30,073 INFO L899 garLoopResultBuilder]: For program point L959-1(line 959) no Hoare annotation was computed. [2023-11-21 19:52:30,073 INFO L899 garLoopResultBuilder]: For program point alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 959) no Hoare annotation was computed. [2023-11-21 19:52:30,074 INFO L899 garLoopResultBuilder]: For program point alt_freeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 959) no Hoare annotation was computed. [2023-11-21 19:52:30,074 INFO L899 garLoopResultBuilder]: For program point alt_freeEXIT(lines 957 964) no Hoare annotation was computed. [2023-11-21 19:52:30,074 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 964) the Hoare annotation is: true [2023-11-21 19:52:30,074 INFO L899 garLoopResultBuilder]: For program point alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 974) no Hoare annotation was computed. [2023-11-21 19:52:30,074 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 19:52:30,075 INFO L899 garLoopResultBuilder]: For program point alt_bzeroEXIT(lines 972 976) no Hoare annotation was computed. [2023-11-21 19:52:30,075 INFO L899 garLoopResultBuilder]: For program point L974(line 974) no Hoare annotation was computed. [2023-11-21 19:52:30,075 INFO L899 garLoopResultBuilder]: For program point L974-1(line 974) no Hoare annotation was computed. [2023-11-21 19:52:30,075 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 972 976) the Hoare annotation is: true [2023-11-21 19:52:30,075 INFO L899 garLoopResultBuilder]: For program point alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 974) no Hoare annotation was computed. [2023-11-21 19:52:30,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 989) no Hoare annotation was computed. [2023-11-21 19:52:30,076 INFO L899 garLoopResultBuilder]: For program point L968(line 968) no Hoare annotation was computed. [2023-11-21 19:52:30,076 INFO L899 garLoopResultBuilder]: For program point L968-1(line 968) no Hoare annotation was computed. [2023-11-21 19:52:30,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 968) no Hoare annotation was computed. [2023-11-21 19:52:30,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:52:30,077 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 995) no Hoare annotation was computed. [2023-11-21 19:52:30,077 INFO L899 garLoopResultBuilder]: For program point L989-1(lines 989 997) no Hoare annotation was computed. [2023-11-21 19:52:30,077 INFO L899 garLoopResultBuilder]: For program point L989-3(lines 989 997) no Hoare annotation was computed. [2023-11-21 19:52:30,077 INFO L899 garLoopResultBuilder]: For program point L989-4(line 989) no Hoare annotation was computed. [2023-11-21 19:52:30,077 INFO L899 garLoopResultBuilder]: For program point L989-5(line 989) no Hoare annotation was computed. [2023-11-21 19:52:30,087 INFO L895 garLoopResultBuilder]: At program point L989-6(lines 989 997) the Hoare annotation is: (and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (exists ((|~#alt_malloc_sizes~0.base| Int)) (= (store (select |#memory_int| |~#alt_malloc_sizes~0.base|) |ULTIMATE.start_main_~#i~0#1.offset| 0) (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|))) (<= 0 ~alt_malloc_balance~0)) [2023-11-21 19:52:30,088 INFO L899 garLoopResultBuilder]: For program point L989-7(lines 989 997) no Hoare annotation was computed. [2023-11-21 19:52:30,089 INFO L899 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2023-11-21 19:52:30,089 INFO L899 garLoopResultBuilder]: For program point L995-1(line 995) no Hoare annotation was computed. [2023-11-21 19:52:30,089 INFO L899 garLoopResultBuilder]: For program point L998-1(lines 998 1006) no Hoare annotation was computed. [2023-11-21 19:52:30,089 INFO L899 garLoopResultBuilder]: For program point L998-3(line 998) no Hoare annotation was computed. [2023-11-21 19:52:30,089 INFO L899 garLoopResultBuilder]: For program point L998-4(line 998) no Hoare annotation was computed. [2023-11-21 19:52:30,090 INFO L895 garLoopResultBuilder]: At program point L998-5(lines 998 1006) the Hoare annotation is: (<= 0 ~alt_malloc_balance~0) [2023-11-21 19:52:30,090 INFO L899 garLoopResultBuilder]: For program point L996-68(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,090 INFO L899 garLoopResultBuilder]: For program point L998-6(lines 998 1006) no Hoare annotation was computed. [2023-11-21 19:52:30,090 INFO L902 garLoopResultBuilder]: At program point L996-69(line 996) the Hoare annotation is: true [2023-11-21 19:52:30,090 INFO L899 garLoopResultBuilder]: For program point L996-70(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,091 INFO L895 garLoopResultBuilder]: At program point L996-71(line 996) the Hoare annotation is: (and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (exists ((|~#alt_malloc_sizes~0.base| Int)) (= (store (select |#memory_int| |~#alt_malloc_sizes~0.base|) |ULTIMATE.start_main_~#i~0#1.offset| 0) (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|))) (<= 0 ~alt_malloc_balance~0)) [2023-11-21 19:52:30,091 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 989) no Hoare annotation was computed. [2023-11-21 19:52:30,091 INFO L899 garLoopResultBuilder]: For program point L1001-3(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,091 INFO L895 garLoopResultBuilder]: At program point L1001-4(line 1001) the Hoare annotation is: false [2023-11-21 19:52:30,091 INFO L899 garLoopResultBuilder]: For program point L1001-5(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,091 INFO L899 garLoopResultBuilder]: For program point L999-68(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,092 INFO L895 garLoopResultBuilder]: At program point L1001-6(line 1001) the Hoare annotation is: false [2023-11-21 19:52:30,092 INFO L902 garLoopResultBuilder]: At program point L999-69(line 999) the Hoare annotation is: true [2023-11-21 19:52:30,092 INFO L899 garLoopResultBuilder]: For program point L1001-7(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,092 INFO L899 garLoopResultBuilder]: For program point L999-70(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,092 INFO L895 garLoopResultBuilder]: At program point L999-71(line 999) the Hoare annotation is: (<= 0 ~alt_malloc_balance~0) [2023-11-21 19:52:30,093 INFO L899 garLoopResultBuilder]: For program point L1001-12(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,093 INFO L899 garLoopResultBuilder]: For program point L996-170(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,093 INFO L899 garLoopResultBuilder]: For program point L1001-15(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,093 INFO L895 garLoopResultBuilder]: At program point L996-171(line 996) the Hoare annotation is: (<= 0 ~alt_malloc_balance~0) [2023-11-21 19:52:30,093 INFO L895 garLoopResultBuilder]: At program point L1001-16(line 1001) the Hoare annotation is: false [2023-11-21 19:52:30,094 INFO L899 garLoopResultBuilder]: For program point L996-172(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,095 INFO L899 garLoopResultBuilder]: For program point L1001-17(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,098 INFO L899 garLoopResultBuilder]: For program point L996-173(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,101 INFO L895 garLoopResultBuilder]: At program point L996-174(line 996) the Hoare annotation is: (and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (exists ((|~#alt_malloc_sizes~0.base| Int)) (= (store (select |#memory_int| |~#alt_malloc_sizes~0.base|) |ULTIMATE.start_main_~#i~0#1.offset| 0) (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|))) (<= 0 ~alt_malloc_balance~0)) [2023-11-21 19:52:30,101 INFO L899 garLoopResultBuilder]: For program point L996-175(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,101 INFO L895 garLoopResultBuilder]: At program point L996-176(line 996) the Hoare annotation is: (and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (exists ((|~#alt_malloc_sizes~0.base| Int)) (= (store (select |#memory_int| |~#alt_malloc_sizes~0.base|) |ULTIMATE.start_main_~#i~0#1.offset| 0) (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|))) (<= 0 ~alt_malloc_balance~0)) [2023-11-21 19:52:30,101 INFO L899 garLoopResultBuilder]: For program point L996-178(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,102 INFO L899 garLoopResultBuilder]: For program point L996-180(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,102 INFO L899 garLoopResultBuilder]: For program point L996-181(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,102 INFO L899 garLoopResultBuilder]: For program point L1001-26(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,104 INFO L895 garLoopResultBuilder]: At program point L1001-27(line 1001) the Hoare annotation is: false [2023-11-21 19:52:30,104 INFO L895 garLoopResultBuilder]: At program point L996-183(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,105 INFO L899 garLoopResultBuilder]: For program point L996-184(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,105 INFO L895 garLoopResultBuilder]: At program point L996-185(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,105 INFO L899 garLoopResultBuilder]: For program point L996-186(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,105 INFO L899 garLoopResultBuilder]: For program point L996-187(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,105 INFO L895 garLoopResultBuilder]: At program point L996-188(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 998) no Hoare annotation was computed. [2023-11-21 19:52:30,106 INFO L899 garLoopResultBuilder]: For program point L996-189(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,107 INFO L895 garLoopResultBuilder]: At program point L996-191(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,107 INFO L899 garLoopResultBuilder]: For program point L996-192(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,107 INFO L899 garLoopResultBuilder]: For program point L996-193(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,107 INFO L899 garLoopResultBuilder]: For program point L1001-38(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,108 INFO L895 garLoopResultBuilder]: At program point L996-194(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,108 INFO L895 garLoopResultBuilder]: At program point L1001-39(line 1001) the Hoare annotation is: false [2023-11-21 19:52:30,108 INFO L899 garLoopResultBuilder]: For program point L996-195(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,108 INFO L899 garLoopResultBuilder]: For program point L1001-40(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,108 INFO L899 garLoopResultBuilder]: For program point L1001-41(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,108 INFO L899 garLoopResultBuilder]: For program point L1001-42(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,109 INFO L899 garLoopResultBuilder]: For program point L996-198(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,109 INFO L895 garLoopResultBuilder]: At program point L1001-43(line 1001) the Hoare annotation is: false [2023-11-21 19:52:30,109 INFO L895 garLoopResultBuilder]: At program point L996-199(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,109 INFO L899 garLoopResultBuilder]: For program point L1001-44(line 1001) no Hoare annotation was computed. [2023-11-21 19:52:30,109 INFO L899 garLoopResultBuilder]: For program point L996-207(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,110 INFO L895 garLoopResultBuilder]: At program point L996-208(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,110 INFO L899 garLoopResultBuilder]: For program point L996-215(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,110 INFO L895 garLoopResultBuilder]: At program point L996-217(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,110 INFO L899 garLoopResultBuilder]: For program point L996-218(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,110 INFO L899 garLoopResultBuilder]: For program point L996-219(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,110 INFO L895 garLoopResultBuilder]: At program point L996-221(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,111 INFO L899 garLoopResultBuilder]: For program point L996-222(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,111 INFO L899 garLoopResultBuilder]: For program point L996-232(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,111 INFO L899 garLoopResultBuilder]: For program point L996-242(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,114 INFO L895 garLoopResultBuilder]: At program point L996-243(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,114 INFO L899 garLoopResultBuilder]: For program point L996-244(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,114 INFO L902 garLoopResultBuilder]: At program point L1004(line 1004) the Hoare annotation is: true [2023-11-21 19:52:30,116 INFO L899 garLoopResultBuilder]: For program point L1004-1(lines 998 1006) no Hoare annotation was computed. [2023-11-21 19:52:30,117 INFO L895 garLoopResultBuilder]: At program point L996-253(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,117 INFO L895 garLoopResultBuilder]: At program point L996-255(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,117 INFO L899 garLoopResultBuilder]: For program point L996-256(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,117 INFO L895 garLoopResultBuilder]: At program point L996-257(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,117 INFO L899 garLoopResultBuilder]: For program point L996-258(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,118 INFO L899 garLoopResultBuilder]: For program point L999-170(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,118 INFO L899 garLoopResultBuilder]: For program point L996-264(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,118 INFO L895 garLoopResultBuilder]: At program point L999-171(line 999) the Hoare annotation is: (<= 0 ~alt_malloc_balance~0) [2023-11-21 19:52:30,118 INFO L899 garLoopResultBuilder]: For program point L996-265(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,118 INFO L899 garLoopResultBuilder]: For program point L999-172(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,119 INFO L895 garLoopResultBuilder]: At program point L996-266(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,119 INFO L899 garLoopResultBuilder]: For program point L999-173(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,123 INFO L895 garLoopResultBuilder]: At program point L999-174(line 999) the Hoare annotation is: (<= 0 ~alt_malloc_balance~0) [2023-11-21 19:52:30,123 INFO L899 garLoopResultBuilder]: For program point L996-268(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,123 INFO L899 garLoopResultBuilder]: For program point L999-175(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,123 INFO L899 garLoopResultBuilder]: For program point L996-269(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,124 INFO L895 garLoopResultBuilder]: At program point L999-176(line 999) the Hoare annotation is: (<= 0 ~alt_malloc_balance~0) [2023-11-21 19:52:30,124 INFO L895 garLoopResultBuilder]: At program point L996-270(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,124 INFO L899 garLoopResultBuilder]: For program point L996-271(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,124 INFO L899 garLoopResultBuilder]: For program point L999-178(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,124 INFO L899 garLoopResultBuilder]: For program point L996-272(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,124 INFO L895 garLoopResultBuilder]: At program point L996-273(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,126 INFO L899 garLoopResultBuilder]: For program point L996-274(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,126 INFO L895 garLoopResultBuilder]: At program point L996-275(line 996) the Hoare annotation is: false [2023-11-21 19:52:30,126 INFO L899 garLoopResultBuilder]: For program point L996-276(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,126 INFO L899 garLoopResultBuilder]: For program point L996-277(line 996) no Hoare annotation was computed. [2023-11-21 19:52:30,127 INFO L895 garLoopResultBuilder]: At program point L996-278(line 996) the Hoare annotation is: (and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#i~0#1.base|) (exists ((|~#alt_malloc_sizes~0.base| Int)) (= (store (select |#memory_int| |~#alt_malloc_sizes~0.base|) |ULTIMATE.start_main_~#i~0#1.offset| 0) (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|))) (<= 0 ~alt_malloc_balance~0)) [2023-11-21 19:52:30,127 INFO L899 garLoopResultBuilder]: For program point L999-185(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,127 INFO L895 garLoopResultBuilder]: At program point L999-186(line 999) the Hoare annotation is: false [2023-11-21 19:52:30,127 INFO L899 garLoopResultBuilder]: For program point L999-187(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,127 INFO L899 garLoopResultBuilder]: For program point L999-188(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,128 INFO L899 garLoopResultBuilder]: For program point L999-190(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,128 INFO L895 garLoopResultBuilder]: At program point L999-191(line 999) the Hoare annotation is: false [2023-11-21 19:52:30,128 INFO L899 garLoopResultBuilder]: For program point L999-197(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,128 INFO L899 garLoopResultBuilder]: For program point L999-198(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,128 INFO L899 garLoopResultBuilder]: For program point L999-201(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,128 INFO L899 garLoopResultBuilder]: For program point L999-202(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,129 INFO L899 garLoopResultBuilder]: For program point L999-204(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,129 INFO L895 garLoopResultBuilder]: At program point L999-205(line 999) the Hoare annotation is: false [2023-11-21 19:52:30,129 INFO L895 garLoopResultBuilder]: At program point L999-207(line 999) the Hoare annotation is: false [2023-11-21 19:52:30,129 INFO L899 garLoopResultBuilder]: For program point L999-208(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,129 INFO L895 garLoopResultBuilder]: At program point L999-209(line 999) the Hoare annotation is: false [2023-11-21 19:52:30,129 INFO L899 garLoopResultBuilder]: For program point L999-211(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,130 INFO L899 garLoopResultBuilder]: For program point L999-213(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,130 INFO L895 garLoopResultBuilder]: At program point L999-214(line 999) the Hoare annotation is: false [2023-11-21 19:52:30,130 INFO L899 garLoopResultBuilder]: For program point L999-215(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,130 INFO L899 garLoopResultBuilder]: For program point L999-216(line 999) no Hoare annotation was computed. [2023-11-21 19:52:30,130 INFO L895 garLoopResultBuilder]: At program point L999-217(line 999) the Hoare annotation is: (<= 0 ~alt_malloc_balance~0) [2023-11-21 19:52:30,130 INFO L899 garLoopResultBuilder]: For program point L999-218(lines 998 1006) no Hoare annotation was computed. [2023-11-21 19:52:30,131 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 968) no Hoare annotation was computed. [2023-11-21 19:52:30,131 INFO L902 garLoopResultBuilder]: At program point L1007-2(lines 1007 1009) the Hoare annotation is: true [2023-11-21 19:52:30,131 INFO L902 garLoopResultBuilder]: At program point L1007-3(lines 1007 1009) the Hoare annotation is: true [2023-11-21 19:52:30,131 INFO L902 garLoopResultBuilder]: At program point L1008(line 1008) the Hoare annotation is: true [2023-11-21 19:52:30,131 INFO L899 garLoopResultBuilder]: For program point L1008-1(lines 1007 1009) no Hoare annotation was computed. [2023-11-21 19:52:30,132 INFO L902 garLoopResultBuilder]: At program point L1010(line 1010) the Hoare annotation is: true [2023-11-21 19:52:30,132 INFO L902 garLoopResultBuilder]: At program point L1011(line 1011) the Hoare annotation is: true [2023-11-21 19:52:30,132 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2023-11-21 19:52:30,132 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 998) no Hoare annotation was computed. [2023-11-21 19:52:30,132 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 995) no Hoare annotation was computed. [2023-11-21 19:52:30,132 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:52:30,133 INFO L902 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: true [2023-11-21 19:52:30,133 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 940) no Hoare annotation was computed. [2023-11-21 19:52:30,133 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 937 941) no Hoare annotation was computed. [2023-11-21 19:52:30,133 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 941) the Hoare annotation is: true [2023-11-21 19:52:30,134 INFO L899 garLoopResultBuilder]: For program point L938-1(lines 937 941) no Hoare annotation was computed. [2023-11-21 19:52:30,138 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 19:52:30,141 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:52:30,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated [2023-11-21 19:52:30,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated [2023-11-21 19:52:30,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated [2023-11-21 19:52:30,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated [2023-11-21 19:52:30,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated [2023-11-21 19:52:30,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:52:30 BoogieIcfgContainer [2023-11-21 19:52:30,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:52:30,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:52:30,171 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:52:30,171 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:52:30,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:51:53" (3/4) ... [2023-11-21 19:52:30,173 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:52:30,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-21 19:52:30,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_malloc [2023-11-21 19:52:30,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 19:52:30,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_free [2023-11-21 19:52:30,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_bzero [2023-11-21 19:52:30,220 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 247 nodes and edges [2023-11-21 19:52:30,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-21 19:52:30,225 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 19:52:30,229 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 19:52:30,509 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:52:30,510 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:52:30,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:52:30,511 INFO L158 Benchmark]: Toolchain (without parser) took 42595.92ms. Allocated memory was 174.1MB in the beginning and 276.8MB in the end (delta: 102.8MB). Free memory was 143.2MB in the beginning and 217.3MB in the end (delta: -74.1MB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. [2023-11-21 19:52:30,511 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 134.2MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:52:30,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1099.23ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 103.4MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 19:52:30,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.87ms. Allocated memory is still 174.1MB. Free memory was 103.4MB in the beginning and 94.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 19:52:30,512 INFO L158 Benchmark]: Boogie Preprocessor took 204.20ms. Allocated memory is still 174.1MB. Free memory was 94.3MB in the beginning and 136.5MB in the end (delta: -42.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 19:52:30,513 INFO L158 Benchmark]: RCFGBuilder took 3577.01ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 136.5MB in the beginning and 128.6MB in the end (delta: 7.9MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2023-11-21 19:52:30,513 INFO L158 Benchmark]: TraceAbstraction took 37147.49ms. Allocated memory was 218.1MB in the beginning and 276.8MB in the end (delta: 58.7MB). Free memory was 128.6MB in the beginning and 109.0MB in the end (delta: 19.6MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-11-21 19:52:30,514 INFO L158 Benchmark]: Witness Printer took 339.41ms. Allocated memory is still 276.8MB. Free memory was 109.0MB in the beginning and 217.3MB in the end (delta: -108.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-21 19:52:30,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 134.2MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1099.23ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 103.4MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.87ms. Allocated memory is still 174.1MB. Free memory was 103.4MB in the beginning and 94.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 204.20ms. Allocated memory is still 174.1MB. Free memory was 94.3MB in the beginning and 136.5MB in the end (delta: -42.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3577.01ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 136.5MB in the beginning and 128.6MB in the end (delta: 7.9MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. * TraceAbstraction took 37147.49ms. Allocated memory was 218.1MB in the beginning and 276.8MB in the end (delta: 58.7MB). Free memory was 128.6MB in the beginning and 109.0MB in the end (delta: 19.6MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Witness Printer took 339.41ms. Allocated memory is still 276.8MB. Free memory was 109.0MB in the beginning and 217.3MB in the end (delta: -108.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~#alt_malloc_sizes~0.base : int :: #memory_int[~#alt_malloc_sizes~0.base][~#i~0!offset := 0] == #memory_int[~#i~0!base]) 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: 951]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 951]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 959]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 959]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 974]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 974]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 995]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 995]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 989]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 989]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 968]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 968]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 998]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 998]: 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 6 procedures, 177 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 37.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 34.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 482 SdHoareTripleChecker+Invalid, 34.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 304 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 178 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 119 PreInvPairs, 147 NumberOfFragments, 167 HoareAnnotationTreeSize, 119 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 210 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 2 QuantifiedInterpolants, 175 SizeOfPredicates, 9 NumberOfNonLiveVariables, 332 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1007]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (0 <= alt_malloc_balance) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-21 19:52:30,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe6f1a6-c26c-4988-8250-f9ad6d295360/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE