./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:57:00,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:00,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 21:57:00,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:00,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:00,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:00,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:00,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:00,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:57:00,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:57:00,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:57:00,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:57:00,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:00,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:00,570 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:00,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:00,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:57:00,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:57:00,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:00,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:57:00,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:00,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:57:00,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:57:00,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:57:00,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:00,589 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:57:00,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:57:00,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:57:00,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:00,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:00,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:00,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:00,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:57:00,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:57:00,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:00,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:00,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:57:00,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:57:00,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:00,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:57:00,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:57:00,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:57:00,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:57:00,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:57:00,601 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba87ab61cc50ccb52aece6219e7fc9da23076f2342241139ee756008f0599342 [2024-10-31 21:57:00,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:00,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:00,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:00,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:00,934 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:00,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c Unable to find full path for "g++" [2024-10-31 21:57:02,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:03,207 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:03,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1.c [2024-10-31 21:57:03,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/data/d4db22673/aa3c868e40144862841ef0047d43e55f/FLAG631846b79 [2024-10-31 21:57:03,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/data/d4db22673/aa3c868e40144862841ef0047d43e55f [2024-10-31 21:57:03,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:03,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:03,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:03,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:03,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:03,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e03e6c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03, skipping insertion in model container [2024-10-31 21:57:03,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:03,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:03,796 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:03,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:03,835 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:03,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03 WrapperNode [2024-10-31 21:57:03,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:03,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:03,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:03,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:03,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,876 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2024-10-31 21:57:03,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:03,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:03,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:03,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:03,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,913 INFO L175 MemorySlicer]: Split 34 memory accesses to 7 slices as follows [2, 5, 8, 7, 2, 6, 4]. 24 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 0, 0, 7, 0, 0, 0]. The 9 writes are split as follows [0, 2, 3, 0, 1, 1, 2]. [2024-10-31 21:57:03,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:03,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:03,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:03,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:03,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:03,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:03,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2024-10-31 21:57:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2024-10-31 21:57:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:57:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:57:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:57:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:57:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:57:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:57:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:57:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:57:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:57:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:57:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:57:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:57:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:57:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:57:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:57:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:57:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:57:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:57:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:57:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:57:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:57:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:57:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:57:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:57:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:57:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:57:04,108 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:04,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:04,495 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-10-31 21:57:04,495 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:04,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:04,513 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:57:04,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:04 BoogieIcfgContainer [2024-10-31 21:57:04,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:04,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:57:04,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:57:04,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:57:04,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:57:03" (1/3) ... [2024-10-31 21:57:04,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffc4c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:04, skipping insertion in model container [2024-10-31 21:57:04,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (2/3) ... [2024-10-31 21:57:04,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffc4c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:04, skipping insertion in model container [2024-10-31 21:57:04,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:04" (3/3) ... [2024-10-31 21:57:04,524 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo1.c [2024-10-31 21:57:04,538 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:57:04,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-31 21:57:04,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:04,618 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@33458418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:04,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-10-31 21:57:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 40 states have (on average 1.675) internal successors, (67), 65 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-31 21:57:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:57:04,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:04,631 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:04,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-10-31 21:57:04,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:04,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2013989493, now seen corresponding path program 1 times [2024-10-31 21:57:04,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:04,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677991957] [2024-10-31 21:57:04,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:04,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:57:04,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1026383305] [2024-10-31 21:57:04,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:04,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:04,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:04,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:57:04,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:57:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:05,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-31 21:57:05,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:05,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 21:57:05,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-31 21:57:05,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-10-31 21:57:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:05,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:05,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:05,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677991957] [2024-10-31 21:57:05,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:57:05,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026383305] [2024-10-31 21:57:05,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026383305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:05,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:05,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:05,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024328116] [2024-10-31 21:57:05,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:05,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:05,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:05,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:57:05,411 INFO L87 Difference]: Start difference. First operand has 71 states, 40 states have (on average 1.675) internal successors, (67), 65 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:05,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:05,762 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2024-10-31 21:57:05,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:57:05,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 21:57:05,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:05,774 INFO L225 Difference]: With dead ends: 173 [2024-10-31 21:57:05,774 INFO L226 Difference]: Without dead ends: 99 [2024-10-31 21:57:05,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:57:05,781 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 71 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:57:05,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 265 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:57:05,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-31 21:57:05,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 79. [2024-10-31 21:57:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.6666666666666667) internal successors, (80), 72 states have internal predecessors, (80), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-31 21:57:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2024-10-31 21:57:05,833 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 6 [2024-10-31 21:57:05,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:05,834 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2024-10-31 21:57:05,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2024-10-31 21:57:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 21:57:05,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:05,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:05,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 21:57:06,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:06,037 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-10-31 21:57:06,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:06,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1990835194, now seen corresponding path program 1 times [2024-10-31 21:57:06,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:06,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627537244] [2024-10-31 21:57:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:57:06,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39988507] [2024-10-31 21:57:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:06,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:57:06,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:57:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:06,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-31 21:57:06,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:06,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 21:57:06,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-31 21:57:06,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-31 21:57:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:06,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:57:06,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627537244] [2024-10-31 21:57:06,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:57:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39988507] [2024-10-31 21:57:06,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39988507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:06,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:06,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:06,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725955624] [2024-10-31 21:57:06,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:06,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:06,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:06,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:06,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:57:06,428 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:06,706 INFO L93 Difference]: Finished difference Result 99 states and 102 transitions. [2024-10-31 21:57:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:57:06,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 21:57:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:57:06,709 INFO L225 Difference]: With dead ends: 99 [2024-10-31 21:57:06,709 INFO L226 Difference]: Without dead ends: 98 [2024-10-31 21:57:06,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:57:06,712 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 68 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:57:06,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 234 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:57:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-31 21:57:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 79. [2024-10-31 21:57:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 72 states have internal predecessors, (79), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-31 21:57:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions. [2024-10-31 21:57:06,729 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 7 [2024-10-31 21:57:06,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:57:06,729 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions. [2024-10-31 21:57:06,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2024-10-31 21:57:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 21:57:06,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:06,730 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:06,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:06,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:06,931 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_28_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2024-10-31 21:57:06,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:06,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1586348909, now seen corresponding path program 1 times [2024-10-31 21:57:06,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:06,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148623688] [2024-10-31 21:57:06,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:57:06,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760551087] [2024-10-31 21:57:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:06,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:06,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:06,983 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:57:06,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 21:57:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:07,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:07,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:07,198 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:57:07,203 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_28_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-10-31 21:57:07,205 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-10-31 21:57:07,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-10-31 21:57:07,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-10-31 21:57:07,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-10-31 21:57:07,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-10-31 21:57:07,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-10-31 21:57:07,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-10-31 21:57:07,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-10-31 21:57:07,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-10-31 21:57:07,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-10-31 21:57:07,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-10-31 21:57:07,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-10-31 21:57:07,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-10-31 21:57:07,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-10-31 21:57:07,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_28_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-10-31 21:57:07,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-10-31 21:57:07,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-10-31 21:57:07,209 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-10-31 21:57:07,210 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-10-31 21:57:07,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-10-31 21:57:07,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-10-31 21:57:07,214 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-10-31 21:57:07,215 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-10-31 21:57:07,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 21:57:07,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:57:07,423 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 21:57:07,454 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:57:07,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:57:07 BoogieIcfgContainer [2024-10-31 21:57:07,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:57:07,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:57:07,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:57:07,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:57:07,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:04" (3/4) ... [2024-10-31 21:57:07,461 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-31 21:57:07,505 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:57:07,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:57:07,506 INFO L158 Benchmark]: Toolchain (without parser) took 3982.05ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 99.9MB in the beginning and 147.4MB in the end (delta: -47.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-10-31 21:57:07,506 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 132.1MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:07,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.59ms. Allocated memory is still 132.1MB. Free memory was 99.5MB in the beginning and 86.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:57:07,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.73ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 85.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:57:07,507 INFO L158 Benchmark]: Boogie Preprocessor took 51.99ms. Allocated memory is still 132.1MB. Free memory was 85.1MB in the beginning and 82.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:57:07,507 INFO L158 Benchmark]: RCFGBuilder took 583.49ms. Allocated memory is still 132.1MB. Free memory was 82.9MB in the beginning and 63.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 21:57:07,508 INFO L158 Benchmark]: TraceAbstraction took 2942.18ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 62.9MB in the beginning and 149.5MB in the end (delta: -86.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:07,508 INFO L158 Benchmark]: Witness Printer took 45.95ms. Allocated memory is still 195.0MB. Free memory was 149.5MB in the beginning and 147.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:57:07,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 132.1MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.59ms. Allocated memory is still 132.1MB. Free memory was 99.5MB in the beginning and 86.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.73ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 85.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.99ms. Allocated memory is still 132.1MB. Free memory was 85.1MB in the beginning and 82.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.49ms. Allocated memory is still 132.1MB. Free memory was 82.9MB in the beginning and 63.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2942.18ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 62.9MB in the beginning and 149.5MB in the end (delta: -86.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.95ms. Allocated memory is still 195.0MB. Free memory was 149.5MB in the beginning and 147.4MB 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: 57]: integer overflow possible integer overflow possible We found a FailurePath: [L78] int z; [L79] int k; [L80] int x; [L81] int y; [L82] int c; [L83] z = __VERIFIER_nondet_int() [L84] k = __VERIFIER_nondet_int() [L85] x = 1 [L86] EXPR \read(z) [L86] y = z [L87] c = 1 [L88] CALL func_to_recursive_line_28_to_36_0(&y, &k, &x, &c, &z) VAL [\old(c)={5:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={6:0}] [L57] EXPR \read(*x) [L57] EXPR \read(*z) VAL [\old(c)={5:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={6:0}, c={5:0}, k={7:0}, x={8:0}, y={4:0}, z={6:0}] [L57] EXPR (*x) * (*z) [L57] EXPR \read(*x) VAL [\old(c)={5:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={6:0}, c={5:0}, k={7:0}, x={8:0}, y={4:0}, z={6:0}] [L57] ((*x) * (*z)) - (*x) VAL [\old(c)={5:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={6:0}, c={5:0}, k={7:0}, x={8:0}, y={4:0}, z={6:0}] - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: 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 3 procedures, 71 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 499 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 96 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 39 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 22 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-31 21:57:07,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513eceb2-911d-4039-8168-7cd1d2fe7216/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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)