./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91 --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 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:18:32,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:18:32,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:18:32,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:18:32,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:18:32,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:18:32,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:18:32,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:18:32,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:18:32,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:18:32,700 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:18:32,701 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:18:32,702 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:18:32,704 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:18:32,704 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:18:32,705 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:18:32,705 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:18:32,706 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:18:32,706 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:18:32,707 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:18:32,707 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:18:32,708 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:18:32,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:18:32,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:18:32,710 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:18:32,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:18:32,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:18:32,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:18:32,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:18:32,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:18:32,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:18:32,714 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:18:32,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:18:32,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:18:32,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:18:32,715 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:18:32,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:18:32,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:18:32,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:18:32,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:32,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:18:32,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:18:32,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:18:32,718 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:18:32,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:18:32,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:18:32,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:18:32,719 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:18:32,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:18:32,720 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_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2023-11-24 23:18:33,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:18:33,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:18:33,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:18:33,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:18:33,050 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:18:33,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-24 23:18:36,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:18:36,438 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:18:36,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-24 23:18:36,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data/51b1f4ce9/57570290aec1497c82099af2d00a7e64/FLAGce28f72b3 [2023-11-24 23:18:36,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data/51b1f4ce9/57570290aec1497c82099af2d00a7e64 [2023-11-24 23:18:36,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:18:36,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:18:36,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:36,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:18:36,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:18:36,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480b03e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36, skipping insertion in model container [2023-11-24 23:18:36,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:18:36,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:36,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:18:36,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:36,744 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:18:36,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36 WrapperNode [2023-11-24 23:18:36,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:36,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:36,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:18:36,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:18:36,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,808 INFO L138 Inliner]: procedures = 18, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-24 23:18:36,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:36,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:18:36,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:18:36,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:18:36,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:18:36,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:18:36,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:18:36,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:18:36,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (1/1) ... [2023-11-24 23:18:36,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:36,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:36,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:18:36,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:18:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:18:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2023-11-24 23:18:36,926 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2023-11-24 23:18:36,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:18:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:18:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:18:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:18:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:18:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2023-11-24 23:18:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2023-11-24 23:18:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2023-11-24 23:18:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2023-11-24 23:18:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:18:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:18:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:18:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:18:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:18:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:18:37,025 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:18:37,027 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:18:37,792 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:18:37,833 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:18:37,833 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:18:37,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:37 BoogieIcfgContainer [2023-11-24 23:18:37,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:18:37,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:18:37,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:18:37,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:18:37,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:18:36" (1/3) ... [2023-11-24 23:18:37,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b971960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:37, skipping insertion in model container [2023-11-24 23:18:37,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:36" (2/3) ... [2023-11-24 23:18:37,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b971960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:37, skipping insertion in model container [2023-11-24 23:18:37,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:37" (3/3) ... [2023-11-24 23:18:37,845 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_fermat1.c [2023-11-24 23:18:37,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:18:37,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2023-11-24 23:18:37,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:18:37,925 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;@3750af93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:18:37,925 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2023-11-24 23:18:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 224 states, 114 states have (on average 1.8596491228070176) internal successors, (212), 209 states have internal predecessors, (212), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:18:37,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:18:37,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:37,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-24 23:18:37,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_38_to_43_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_38_to_43_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 90 more)] === [2023-11-24 23:18:37,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:37,940 INFO L85 PathProgramCache]: Analyzing trace with hash 10125, now seen corresponding path program 1 times [2023-11-24 23:18:37,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:18:37,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311290675] [2023-11-24 23:18:37,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:37,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:18:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:18:38,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:18:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:18:38,161 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:18:38,163 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:18:38,164 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 92 remaining) [2023-11-24 23:18:38,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 92 remaining) [2023-11-24 23:18:38,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 92 remaining) [2023-11-24 23:18:38,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 92 remaining) [2023-11-24 23:18:38,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 92 remaining) [2023-11-24 23:18:38,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 92 remaining) [2023-11-24 23:18:38,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 92 remaining) [2023-11-24 23:18:38,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 92 remaining) [2023-11-24 23:18:38,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 92 remaining) [2023-11-24 23:18:38,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 92 remaining) [2023-11-24 23:18:38,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 92 remaining) [2023-11-24 23:18:38,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 92 remaining) [2023-11-24 23:18:38,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 92 remaining) [2023-11-24 23:18:38,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 92 remaining) [2023-11-24 23:18:38,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 92 remaining) [2023-11-24 23:18:38,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 92 remaining) [2023-11-24 23:18:38,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 92 remaining) [2023-11-24 23:18:38,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 92 remaining) [2023-11-24 23:18:38,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 92 remaining) [2023-11-24 23:18:38,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 92 remaining) [2023-11-24 23:18:38,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 92 remaining) [2023-11-24 23:18:38,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 92 remaining) [2023-11-24 23:18:38,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 92 remaining) [2023-11-24 23:18:38,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 92 remaining) [2023-11-24 23:18:38,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 92 remaining) [2023-11-24 23:18:38,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 92 remaining) [2023-11-24 23:18:38,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 92 remaining) [2023-11-24 23:18:38,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 92 remaining) [2023-11-24 23:18:38,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 92 remaining) [2023-11-24 23:18:38,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 92 remaining) [2023-11-24 23:18:38,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 92 remaining) [2023-11-24 23:18:38,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 92 remaining) [2023-11-24 23:18:38,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 92 remaining) [2023-11-24 23:18:38,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 92 remaining) [2023-11-24 23:18:38,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 92 remaining) [2023-11-24 23:18:38,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 92 remaining) [2023-11-24 23:18:38,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 92 remaining) [2023-11-24 23:18:38,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 92 remaining) [2023-11-24 23:18:38,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 92 remaining) [2023-11-24 23:18:38,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 92 remaining) [2023-11-24 23:18:38,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 92 remaining) [2023-11-24 23:18:38,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 92 remaining) [2023-11-24 23:18:38,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 92 remaining) [2023-11-24 23:18:38,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 92 remaining) [2023-11-24 23:18:38,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 92 remaining) [2023-11-24 23:18:38,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 92 remaining) [2023-11-24 23:18:38,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 92 remaining) [2023-11-24 23:18:38,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 92 remaining) [2023-11-24 23:18:38,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 92 remaining) [2023-11-24 23:18:38,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 92 remaining) [2023-11-24 23:18:38,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 92 remaining) [2023-11-24 23:18:38,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 92 remaining) [2023-11-24 23:18:38,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 92 remaining) [2023-11-24 23:18:38,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 92 remaining) [2023-11-24 23:18:38,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 92 remaining) [2023-11-24 23:18:38,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 92 remaining) [2023-11-24 23:18:38,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 92 remaining) [2023-11-24 23:18:38,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 92 remaining) [2023-11-24 23:18:38,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 92 remaining) [2023-11-24 23:18:38,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 92 remaining) [2023-11-24 23:18:38,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 92 remaining) [2023-11-24 23:18:38,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 92 remaining) [2023-11-24 23:18:38,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 92 remaining) [2023-11-24 23:18:38,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 92 remaining) [2023-11-24 23:18:38,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 92 remaining) [2023-11-24 23:18:38,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 92 remaining) [2023-11-24 23:18:38,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 92 remaining) [2023-11-24 23:18:38,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 92 remaining) [2023-11-24 23:18:38,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 92 remaining) [2023-11-24 23:18:38,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 92 remaining) [2023-11-24 23:18:38,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 92 remaining) [2023-11-24 23:18:38,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 92 remaining) [2023-11-24 23:18:38,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 92 remaining) [2023-11-24 23:18:38,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 92 remaining) [2023-11-24 23:18:38,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 92 remaining) [2023-11-24 23:18:38,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 92 remaining) [2023-11-24 23:18:38,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 92 remaining) [2023-11-24 23:18:38,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 92 remaining) [2023-11-24 23:18:38,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 92 remaining) [2023-11-24 23:18:38,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 92 remaining) [2023-11-24 23:18:38,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 92 remaining) [2023-11-24 23:18:38,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 92 remaining) [2023-11-24 23:18:38,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 92 remaining) [2023-11-24 23:18:38,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 92 remaining) [2023-11-24 23:18:38,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 92 remaining) [2023-11-24 23:18:38,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 92 remaining) [2023-11-24 23:18:38,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 92 remaining) [2023-11-24 23:18:38,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 92 remaining) [2023-11-24 23:18:38,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 92 remaining) [2023-11-24 23:18:38,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 92 remaining) [2023-11-24 23:18:38,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 92 remaining) [2023-11-24 23:18:38,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 92 remaining) [2023-11-24 23:18:38,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:18:38,233 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:18:38,239 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:18:38,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:18:38 BoogieIcfgContainer [2023-11-24 23:18:38,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:18:38,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:18:38,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:18:38,279 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:18:38,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:37" (3/4) ... [2023-11-24 23:18:38,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:18:38,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:18:38,284 INFO L158 Benchmark]: Toolchain (without parser) took 1817.95ms. Allocated memory is still 211.8MB. Free memory was 163.6MB in the beginning and 89.1MB in the end (delta: 74.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-11-24 23:18:38,284 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:18:38,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.74ms. Allocated memory is still 211.8MB. Free memory was 163.6MB in the beginning and 151.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:18:38,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.15ms. Allocated memory is still 211.8MB. Free memory was 151.0MB in the beginning and 148.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:18:38,285 INFO L158 Benchmark]: Boogie Preprocessor took 42.67ms. Allocated memory is still 211.8MB. Free memory was 148.9MB in the beginning and 147.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:18:38,285 INFO L158 Benchmark]: RCFGBuilder took 983.70ms. Allocated memory is still 211.8MB. Free memory was 147.9MB in the beginning and 112.2MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:18:38,286 INFO L158 Benchmark]: TraceAbstraction took 431.62ms. Allocated memory is still 211.8MB. Free memory was 111.2MB in the beginning and 89.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:18:38,286 INFO L158 Benchmark]: Witness Printer took 9.24ms. Allocated memory is still 211.8MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:18:38,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.74ms. Allocated memory is still 211.8MB. Free memory was 163.6MB in the beginning and 151.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.15ms. Allocated memory is still 211.8MB. Free memory was 151.0MB in the beginning and 148.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.67ms. Allocated memory is still 211.8MB. Free memory was 148.9MB in the beginning and 147.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 983.70ms. Allocated memory is still 211.8MB. Free memory was 147.9MB in the beginning and 112.2MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 431.62ms. Allocated memory is still 211.8MB. Free memory was 111.2MB in the beginning and 89.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 9.24ms. Allocated memory is still 211.8MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 126]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 124. Possible FailurePath: [L119] int A; [L120] int R; [L121] int u; [L122] int v; [L123] int r; [L124] A = __VERIFIER_nondet_double() [L125] R = __VERIFIER_nondet_double() [L126] R - 1 VAL [A={5:0}, R=-2147483648, r={6:0}, u={8:0}, v={7:0}] - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 126]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 126]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 126]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 126]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 126]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 128]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 128]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 128]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 128]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 130]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 130]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 130]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 130]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 224 locations, 92 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:18:38,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91 --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 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:18:40,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:18:41,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-24 23:18:41,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:18:41,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:18:41,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:18:41,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:18:41,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:18:41,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:18:41,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:18:41,165 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:18:41,166 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:18:41,166 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:18:41,167 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:18:41,168 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:18:41,168 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:18:41,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:18:41,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:18:41,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:18:41,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:18:41,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:18:41,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:18:41,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:18:41,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:18:41,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:18:41,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:18:41,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:18:41,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:18:41,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:18:41,177 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:18:41,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:18:41,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:18:41,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:18:41,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:18:41,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:18:41,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:18:41,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:41,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:18:41,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:18:41,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:18:41,182 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:18:41,183 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:18:41,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:18:41,183 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:18:41,184 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:18:41,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:18:41,184 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2023-11-24 23:18:41,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:18:41,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:18:41,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:18:41,610 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:18:41,612 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:18:41,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-24 23:18:44,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:18:45,097 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:18:45,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-24 23:18:45,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data/4af08304d/bf98124f1c9d4f0bb8f0abfe9d5cdd06/FLAG95b4ae353 [2023-11-24 23:18:45,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/data/4af08304d/bf98124f1c9d4f0bb8f0abfe9d5cdd06 [2023-11-24 23:18:45,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:18:45,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:18:45,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:45,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:18:45,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:18:45,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d9b771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45, skipping insertion in model container [2023-11-24 23:18:45,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:18:45,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:45,457 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:18:45,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:45,547 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:18:45,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45 WrapperNode [2023-11-24 23:18:45,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:45,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:45,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:18:45,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:18:45,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,596 INFO L138 Inliner]: procedures = 21, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-24 23:18:45,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:45,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:18:45,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:18:45,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:18:45,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:18:45,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:18:45,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:18:45,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:18:45,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:45" (1/1) ... [2023-11-24 23:18:45,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:45,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:45,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:18:45,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:18:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:18:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2023-11-24 23:18:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2023-11-24 23:18:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:18:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:18:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:18:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:18:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2023-11-24 23:18:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2023-11-24 23:18:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:18:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2023-11-24 23:18:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2023-11-24 23:18:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:18:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:18:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:18:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:18:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:18:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:18:45,858 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:18:45,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:19:21,428 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-24 23:19:21,430 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:175) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:735) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:742) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 25 more [2023-11-24 23:19:21,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2023-11-24 23:19:21,438 INFO L158 Benchmark]: Toolchain (without parser) took 36295.59ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 45.5MB in the beginning and 65.9MB in the end (delta: -20.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-24 23:19:21,438 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:21,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.16ms. Allocated memory is still 73.4MB. Free memory was 45.3MB in the beginning and 51.2MB in the end (delta: -5.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:19:21,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.79ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 49.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:21,440 INFO L158 Benchmark]: Boogie Preprocessor took 53.23ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 46.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:21,444 INFO L158 Benchmark]: RCFGBuilder took 35782.74ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 65.9MB in the end (delta: -19.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-24 23:19:21,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.16ms. Allocated memory is still 73.4MB. Free memory was 45.3MB in the beginning and 51.2MB in the end (delta: -5.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.79ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 49.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.23ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 46.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 35782.74ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 65.9MB in the end (delta: -19.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9af40a-44b4-4bee-a0a0-c47df45d4c2c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")