./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:16,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:16,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:18:16,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:16,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:16,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:16,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:16,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:16,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:16,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:16,768 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:16,769 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:16,769 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:16,770 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:16,771 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:16,772 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:16,772 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:16,773 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:16,773 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:16,774 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:16,775 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:16,775 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:16,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:16,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:16,777 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:16,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:16,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:16,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:16,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:16,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:16,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:16,781 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:18:16,781 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:18:16,782 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:16,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:16,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:16,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:16,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:16,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:16,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:16,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:16,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:16,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:16,791 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:16,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:16,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:16,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:16,792 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:16,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:16,793 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_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2023-11-23 21:18:17,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:17,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:17,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:17,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:17,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:17,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-23 21:18:20,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:20,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:20,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-23 21:18:20,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data/9a8fab830/d1339b2d39a540a2b79380130340f9ba/FLAGfca347c20 [2023-11-23 21:18:20,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data/9a8fab830/d1339b2d39a540a2b79380130340f9ba [2023-11-23 21:18:20,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:20,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:20,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:20,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:20,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:20,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:20" (1/1) ... [2023-11-23 21:18:20,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e36e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:20, skipping insertion in model container [2023-11-23 21:18:20,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:20" (1/1) ... [2023-11-23 21:18:21,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:21,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:21,338 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:21,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:21,401 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:21,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21 WrapperNode [2023-11-23 21:18:21,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:21,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:21,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:21,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:21,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,478 INFO L138 Inliner]: procedures = 18, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-23 21:18:21,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:21,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:21,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:21,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:21,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:21,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:21,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:21,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:21,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:21,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:21,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2023-11-23 21:18:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2023-11-23 21:18:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:21,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:18:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2023-11-23 21:18:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2023-11-23 21:18:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2023-11-23 21:18:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2023-11-23 21:18:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:18:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:18:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:18:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:21,832 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:21,839 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:22,625 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:22,726 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:22,728 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:18:22,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:22 BoogieIcfgContainer [2023-11-23 21:18:22,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:22,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:22,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:22,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:22,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:20" (1/3) ... [2023-11-23 21:18:22,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d93a3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:22, skipping insertion in model container [2023-11-23 21:18:22,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21" (2/3) ... [2023-11-23 21:18:22,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d93a3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:22, skipping insertion in model container [2023-11-23 21:18:22,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:22" (3/3) ... [2023-11-23 21:18:22,747 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_fermat1.c [2023-11-23 21:18:22,770 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:22,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2023-11-23 21:18:22,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:22,853 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;@2b4b786, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:22,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2023-11-23 21:18:22,862 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) [2023-11-23 21:18:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 21:18:22,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:22,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-23 21:18:22,872 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)] === [2023-11-23 21:18:22,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash 10125, now seen corresponding path program 1 times [2023-11-23 21:18:22,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:22,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025026815] [2023-11-23 21:18:22,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:22,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:23,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:18:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:23,151 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:18:23,154 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:18:23,156 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 92 remaining) [2023-11-23 21:18:23,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 92 remaining) [2023-11-23 21:18:23,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 92 remaining) [2023-11-23 21:18:23,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 92 remaining) [2023-11-23 21:18:23,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 92 remaining) [2023-11-23 21:18:23,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 92 remaining) [2023-11-23 21:18:23,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 92 remaining) [2023-11-23 21:18:23,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 92 remaining) [2023-11-23 21:18:23,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 92 remaining) [2023-11-23 21:18:23,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 92 remaining) [2023-11-23 21:18:23,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 92 remaining) [2023-11-23 21:18:23,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 92 remaining) [2023-11-23 21:18:23,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 92 remaining) [2023-11-23 21:18:23,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 92 remaining) [2023-11-23 21:18:23,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 92 remaining) [2023-11-23 21:18:23,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 92 remaining) [2023-11-23 21:18:23,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 92 remaining) [2023-11-23 21:18:23,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 92 remaining) [2023-11-23 21:18:23,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 92 remaining) [2023-11-23 21:18:23,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 92 remaining) [2023-11-23 21:18:23,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 92 remaining) [2023-11-23 21:18:23,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 92 remaining) [2023-11-23 21:18:23,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 92 remaining) [2023-11-23 21:18:23,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 92 remaining) [2023-11-23 21:18:23,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 92 remaining) [2023-11-23 21:18:23,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 92 remaining) [2023-11-23 21:18:23,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 92 remaining) [2023-11-23 21:18:23,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 92 remaining) [2023-11-23 21:18:23,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 92 remaining) [2023-11-23 21:18:23,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 92 remaining) [2023-11-23 21:18:23,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 92 remaining) [2023-11-23 21:18:23,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 92 remaining) [2023-11-23 21:18:23,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 92 remaining) [2023-11-23 21:18:23,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 92 remaining) [2023-11-23 21:18:23,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 92 remaining) [2023-11-23 21:18:23,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 92 remaining) [2023-11-23 21:18:23,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 92 remaining) [2023-11-23 21:18:23,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 92 remaining) [2023-11-23 21:18:23,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 92 remaining) [2023-11-23 21:18:23,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 92 remaining) [2023-11-23 21:18:23,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 92 remaining) [2023-11-23 21:18:23,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 92 remaining) [2023-11-23 21:18:23,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 92 remaining) [2023-11-23 21:18:23,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 92 remaining) [2023-11-23 21:18:23,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 92 remaining) [2023-11-23 21:18:23,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 92 remaining) [2023-11-23 21:18:23,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 92 remaining) [2023-11-23 21:18:23,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 92 remaining) [2023-11-23 21:18:23,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 92 remaining) [2023-11-23 21:18:23,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 92 remaining) [2023-11-23 21:18:23,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 92 remaining) [2023-11-23 21:18:23,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 92 remaining) [2023-11-23 21:18:23,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 92 remaining) [2023-11-23 21:18:23,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 92 remaining) [2023-11-23 21:18:23,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 92 remaining) [2023-11-23 21:18:23,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 92 remaining) [2023-11-23 21:18:23,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 92 remaining) [2023-11-23 21:18:23,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 92 remaining) [2023-11-23 21:18:23,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 92 remaining) [2023-11-23 21:18:23,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 92 remaining) [2023-11-23 21:18:23,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 92 remaining) [2023-11-23 21:18:23,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 92 remaining) [2023-11-23 21:18:23,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 92 remaining) [2023-11-23 21:18:23,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 92 remaining) [2023-11-23 21:18:23,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 92 remaining) [2023-11-23 21:18:23,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 92 remaining) [2023-11-23 21:18:23,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 92 remaining) [2023-11-23 21:18:23,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 92 remaining) [2023-11-23 21:18:23,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 92 remaining) [2023-11-23 21:18:23,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 92 remaining) [2023-11-23 21:18:23,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 92 remaining) [2023-11-23 21:18:23,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 92 remaining) [2023-11-23 21:18:23,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 92 remaining) [2023-11-23 21:18:23,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 92 remaining) [2023-11-23 21:18:23,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 92 remaining) [2023-11-23 21:18:23,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 92 remaining) [2023-11-23 21:18:23,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 92 remaining) [2023-11-23 21:18:23,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 92 remaining) [2023-11-23 21:18:23,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 92 remaining) [2023-11-23 21:18:23,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 92 remaining) [2023-11-23 21:18:23,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 92 remaining) [2023-11-23 21:18:23,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 92 remaining) [2023-11-23 21:18:23,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 92 remaining) [2023-11-23 21:18:23,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 92 remaining) [2023-11-23 21:18:23,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 92 remaining) [2023-11-23 21:18:23,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 92 remaining) [2023-11-23 21:18:23,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 92 remaining) [2023-11-23 21:18:23,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 92 remaining) [2023-11-23 21:18:23,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 92 remaining) [2023-11-23 21:18:23,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 92 remaining) [2023-11-23 21:18:23,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 92 remaining) [2023-11-23 21:18:23,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 92 remaining) [2023-11-23 21:18:23,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:18:23,224 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:18:23,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:23,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:23 BoogieIcfgContainer [2023-11-23 21:18:23,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:23,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:23,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:23,261 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:23,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:22" (3/4) ... [2023-11-23 21:18:23,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:18:23,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:23,267 INFO L158 Benchmark]: Toolchain (without parser) took 2310.10ms. Allocated memory is still 140.5MB. Free memory was 103.8MB in the beginning and 56.0MB in the end (delta: 47.7MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,268 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:23,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.14ms. Allocated memory is still 140.5MB. Free memory was 103.5MB in the beginning and 91.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.47ms. Allocated memory is still 140.5MB. Free memory was 91.8MB in the beginning and 90.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,270 INFO L158 Benchmark]: Boogie Preprocessor took 63.25ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 88.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,271 INFO L158 Benchmark]: RCFGBuilder took 1186.99ms. Allocated memory is still 140.5MB. Free memory was 88.2MB in the beginning and 79.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,271 INFO L158 Benchmark]: TraceAbstraction took 525.13ms. Allocated memory is still 140.5MB. Free memory was 79.1MB in the beginning and 56.3MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,272 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 140.5MB. Free memory was 56.3MB in the beginning and 56.0MB in the end (delta: 256.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:23,276 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.14ms. Allocated memory is still 140.5MB. Free memory was 103.5MB in the beginning and 91.8MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.47ms. Allocated memory is still 140.5MB. Free memory was 91.8MB in the beginning and 90.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.25ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 88.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1186.99ms. Allocated memory is still 140.5MB. Free memory was 88.2MB in the beginning and 79.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 525.13ms. Allocated memory is still 140.5MB. Free memory was 79.1MB in the beginning and 56.3MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 140.5MB. Free memory was 56.3MB in the beginning and 56.0MB in the end (delta: 256.9kB). 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: 0.4s, 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 [2023-11-23 21:18:23,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:26,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:26,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-23 21:18:26,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:26,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:26,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:26,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:26,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:26,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:26,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:26,959 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:26,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:26,960 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:26,963 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:26,964 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:26,964 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:26,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:26,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:26,967 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:26,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:26,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:26,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:26,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:26,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:26,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:18:26,974 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:18:26,974 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:18:26,975 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:18:26,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:18:26,976 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:26,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:26,979 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:26,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:26,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:18:26,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:26,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:26,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:26,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:26,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:26,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:26,985 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:18:26,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:18:26,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:26,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:26,988 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:26,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:26,989 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_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2023-11-23 21:18:27,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:27,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:27,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:27,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:27,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:27,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-23 21:18:31,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:31,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:31,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-23 21:18:31,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data/030e32e84/a169e541f5cf4e96bda7683aa59fc1ab/FLAG783a9230f [2023-11-23 21:18:31,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/data/030e32e84/a169e541f5cf4e96bda7683aa59fc1ab [2023-11-23 21:18:31,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:31,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:31,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:31,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:31,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:31,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:31" (1/1) ... [2023-11-23 21:18:31,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691bbc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:31, skipping insertion in model container [2023-11-23 21:18:31,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:31" (1/1) ... [2023-11-23 21:18:32,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:32,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:32,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:32,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:32,339 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:32,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32 WrapperNode [2023-11-23 21:18:32,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:32,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:32,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:32,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:32,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,397 INFO L138 Inliner]: procedures = 21, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-23 21:18:32,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:32,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:32,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:32,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:32,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:32,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:32,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:32,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:32,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (1/1) ... [2023-11-23 21:18:32,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:32,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:32,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:32,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:32,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2023-11-23 21:18:32,569 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2023-11-23 21:18:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:18:32,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:32,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:32,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:32,570 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2023-11-23 21:18:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2023-11-23 21:18:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:18:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2023-11-23 21:18:32,575 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2023-11-23 21:18:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:32,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:18:32,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:18:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:18:32,736 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:32,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:45,737 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:45,789 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:45,793 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 21:18:45,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:45 BoogieIcfgContainer [2023-11-23 21:18:45,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:45,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:45,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:45,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:45,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:31" (1/3) ... [2023-11-23 21:18:45,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dae2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:45, skipping insertion in model container [2023-11-23 21:18:45,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:32" (2/3) ... [2023-11-23 21:18:45,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dae2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:45, skipping insertion in model container [2023-11-23 21:18:45,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:45" (3/3) ... [2023-11-23 21:18:45,806 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_fermat1.c [2023-11-23 21:18:45,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:45,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2023-11-23 21:18:45,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:45,894 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;@7c07773b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:45,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2023-11-23 21:18:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 118 states have (on average 1.847457627118644) internal successors, (218), 213 states have internal predecessors, (218), 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) [2023-11-23 21:18:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 21:18:45,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:45,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-23 21:18:45,906 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)] === [2023-11-23 21:18:45,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:45,911 INFO L85 PathProgramCache]: Analyzing trace with hash 10125, now seen corresponding path program 1 times [2023-11-23 21:18:45,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:45,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231678971] [2023-11-23 21:18:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:45,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:45,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:45,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:18:45,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:18:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:46,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:18:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:46,119 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:18:46,121 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:18:46,122 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 92 remaining) [2023-11-23 21:18:46,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 92 remaining) [2023-11-23 21:18:46,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 92 remaining) [2023-11-23 21:18:46,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 92 remaining) [2023-11-23 21:18:46,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 92 remaining) [2023-11-23 21:18:46,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 92 remaining) [2023-11-23 21:18:46,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 92 remaining) [2023-11-23 21:18:46,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 92 remaining) [2023-11-23 21:18:46,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 92 remaining) [2023-11-23 21:18:46,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 92 remaining) [2023-11-23 21:18:46,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 92 remaining) [2023-11-23 21:18:46,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 92 remaining) [2023-11-23 21:18:46,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 92 remaining) [2023-11-23 21:18:46,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 92 remaining) [2023-11-23 21:18:46,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 92 remaining) [2023-11-23 21:18:46,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 92 remaining) [2023-11-23 21:18:46,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 92 remaining) [2023-11-23 21:18:46,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 92 remaining) [2023-11-23 21:18:46,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 92 remaining) [2023-11-23 21:18:46,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 92 remaining) [2023-11-23 21:18:46,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 92 remaining) [2023-11-23 21:18:46,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 92 remaining) [2023-11-23 21:18:46,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_38_to_43_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 92 remaining) [2023-11-23 21:18:46,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 92 remaining) [2023-11-23 21:18:46,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 92 remaining) [2023-11-23 21:18:46,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 92 remaining) [2023-11-23 21:18:46,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 92 remaining) [2023-11-23 21:18:46,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 92 remaining) [2023-11-23 21:18:46,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 92 remaining) [2023-11-23 21:18:46,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 92 remaining) [2023-11-23 21:18:46,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 92 remaining) [2023-11-23 21:18:46,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 92 remaining) [2023-11-23 21:18:46,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 92 remaining) [2023-11-23 21:18:46,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 92 remaining) [2023-11-23 21:18:46,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 92 remaining) [2023-11-23 21:18:46,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 92 remaining) [2023-11-23 21:18:46,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 92 remaining) [2023-11-23 21:18:46,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 92 remaining) [2023-11-23 21:18:46,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 92 remaining) [2023-11-23 21:18:46,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 92 remaining) [2023-11-23 21:18:46,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 92 remaining) [2023-11-23 21:18:46,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 92 remaining) [2023-11-23 21:18:46,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 92 remaining) [2023-11-23 21:18:46,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 92 remaining) [2023-11-23 21:18:46,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_46_to_51_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 92 remaining) [2023-11-23 21:18:46,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 92 remaining) [2023-11-23 21:18:46,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 92 remaining) [2023-11-23 21:18:46,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 92 remaining) [2023-11-23 21:18:46,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 92 remaining) [2023-11-23 21:18:46,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 92 remaining) [2023-11-23 21:18:46,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 92 remaining) [2023-11-23 21:18:46,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 92 remaining) [2023-11-23 21:18:46,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 92 remaining) [2023-11-23 21:18:46,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 92 remaining) [2023-11-23 21:18:46,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 92 remaining) [2023-11-23 21:18:46,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 92 remaining) [2023-11-23 21:18:46,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 92 remaining) [2023-11-23 21:18:46,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 92 remaining) [2023-11-23 21:18:46,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 92 remaining) [2023-11-23 21:18:46,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 92 remaining) [2023-11-23 21:18:46,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 92 remaining) [2023-11-23 21:18:46,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 92 remaining) [2023-11-23 21:18:46,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_36_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 92 remaining) [2023-11-23 21:18:46,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 92 remaining) [2023-11-23 21:18:46,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 92 remaining) [2023-11-23 21:18:46,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 92 remaining) [2023-11-23 21:18:46,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 92 remaining) [2023-11-23 21:18:46,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 92 remaining) [2023-11-23 21:18:46,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 92 remaining) [2023-11-23 21:18:46,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 92 remaining) [2023-11-23 21:18:46,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 92 remaining) [2023-11-23 21:18:46,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 92 remaining) [2023-11-23 21:18:46,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 92 remaining) [2023-11-23 21:18:46,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 92 remaining) [2023-11-23 21:18:46,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 92 remaining) [2023-11-23 21:18:46,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 92 remaining) [2023-11-23 21:18:46,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 92 remaining) [2023-11-23 21:18:46,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 92 remaining) [2023-11-23 21:18:46,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 92 remaining) [2023-11-23 21:18:46,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 92 remaining) [2023-11-23 21:18:46,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 92 remaining) [2023-11-23 21:18:46,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 92 remaining) [2023-11-23 21:18:46,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 92 remaining) [2023-11-23 21:18:46,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 92 remaining) [2023-11-23 21:18:46,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 92 remaining) [2023-11-23 21:18:46,163 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 92 remaining) [2023-11-23 21:18:46,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 92 remaining) [2023-11-23 21:18:46,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 92 remaining) [2023-11-23 21:18:46,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 92 remaining) [2023-11-23 21:18:46,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 92 remaining) [2023-11-23 21:18:46,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 92 remaining) [2023-11-23 21:18:46,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 92 remaining) [2023-11-23 21:18:46,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:46,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:46,374 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:18:46,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:46,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:46 BoogieIcfgContainer [2023-11-23 21:18:46,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:46,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:46,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:46,431 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:46,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:45" (3/4) ... [2023-11-23 21:18:46,433 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:18:46,480 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:18:46,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:46,482 INFO L158 Benchmark]: Toolchain (without parser) took 14515.87ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 58.4MB in the end (delta: -11.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:46,482 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:46,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.41ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 33.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:46,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.92ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 33.8MB in the beginning and 68.5MB in the end (delta: -34.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:46,488 INFO L158 Benchmark]: Boogie Preprocessor took 77.73ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:46,489 INFO L158 Benchmark]: RCFGBuilder took 13318.25ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 54.1MB in the end (delta: 11.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:46,489 INFO L158 Benchmark]: TraceAbstraction took 623.55ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 60.5MB in the end (delta: -6.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-23 21:18:46,490 INFO L158 Benchmark]: Witness Printer took 56.12ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:46,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.41ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 33.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.92ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 33.8MB in the beginning and 68.5MB in the end (delta: -34.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.73ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13318.25ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 54.1MB in the end (delta: 11.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * TraceAbstraction took 623.55ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 60.5MB in the end (delta: -6.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Witness Printer took 56.12ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 126]: integer overflow possible integer overflow possible We found a 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={7:0}, R=-2147483648, r={5:0}, u={6:0}, v={4:0}] - 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, 228 locations, 92 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=228occurred 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 proved your program to be incorrect! [2023-11-23 21:18:46,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da0bded-6e78-4c86-b306-14f73a3dc599/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)