./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx --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 8becd73bde3c2499375e6716861018ae79859e1a3a008768b6efacb4472324e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:37,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:37,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 21:02:37,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:37,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:38,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:38,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:38,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:38,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:38,027 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:38,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:38,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:38,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:38,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:38,030 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:38,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:38,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:38,032 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:02:38,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:38,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:02:38,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:38,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:38,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:38,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:38,036 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 21:02:38,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:02:38,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:02:38,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:38,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:38,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:38,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:38,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:38,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:38,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:38,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:38,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:38,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:38,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:38,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:38,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:38,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:38,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:38,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:38,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:38,044 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_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8becd73bde3c2499375e6716861018ae79859e1a3a008768b6efacb4472324e4 [2023-11-21 21:02:38,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:38,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:38,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:38,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:38,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:38,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo3.c [2023-11-21 21:02:41,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:41,878 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:41,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/sv-benchmarks/c/recursified_nla-digbench/recursified_geo3.c [2023-11-21 21:02:41,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/data/a2f210e05/4bb5cd5b0f6346ce8a0bdc7e4151891d/FLAG3a1d22f19 [2023-11-21 21:02:41,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/data/a2f210e05/4bb5cd5b0f6346ce8a0bdc7e4151891d [2023-11-21 21:02:41,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:41,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:41,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:41,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:41,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:41,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603a383e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41, skipping insertion in model container [2023-11-21 21:02:41,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:42,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:42,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:42,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:42,332 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:42,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42 WrapperNode [2023-11-21 21:02:42,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:42,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:42,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:42,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:42,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,382 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-21 21:02:42,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:42,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:42,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:42,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:42,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,421 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,441 INFO L187 HeapSplitter]: Split 42 memory accesses to 8 slices as follows [2, 7, 2, 8, 7, 5, 4, 7] [2023-11-21 21:02:42,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:42,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:42,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:42,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:42,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (1/1) ... [2023-11-21 21:02:42,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:42,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:42,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:02:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:02:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:02:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:02:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:02:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 21:02:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 21:02:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_29_to_37_0 [2023-11-21 21:02:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_29_to_37_0 [2023-11-21 21:02:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:02:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:02:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:02:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:02:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:02:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:02:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 21:02:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 21:02:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:02:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:02:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:02:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:02:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:02:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:02:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 21:02:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 21:02:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 21:02:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 21:02:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:42,781 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:42,783 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:43,243 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:43,323 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:43,323 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:02:43,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:43 BoogieIcfgContainer [2023-11-21 21:02:43,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:43,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:43,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:43,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:43,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:41" (1/3) ... [2023-11-21 21:02:43,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e88d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:43, skipping insertion in model container [2023-11-21 21:02:43,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:42" (2/3) ... [2023-11-21 21:02:43,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e88d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:43, skipping insertion in model container [2023-11-21 21:02:43,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:43" (3/3) ... [2023-11-21 21:02:43,340 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo3.c [2023-11-21 21:02:43,363 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:43,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-21 21:02:43,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:43,434 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=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;@7cb29e06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:43,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2023-11-21 21:02:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 41 states have (on average 1.829268292682927) internal successors, (75), 74 states have internal predecessors, (75), 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) [2023-11-21 21:02:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 21:02:43,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:43,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-21 21:02:43,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_29_to_37_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_29_to_37_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_29_to_37_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2023-11-21 21:02:43,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:43,456 INFO L85 PathProgramCache]: Analyzing trace with hash 133344613, now seen corresponding path program 1 times [2023-11-21 21:02:43,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:43,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977179575] [2023-11-21 21:02:43,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:43,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:43,721 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 21:02:43,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1093607820] [2023-11-21 21:02:43,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:43,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:43,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:43,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:43,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:02:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:02:43,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:02:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:02:44,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:02:44,022 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 21:02:44,023 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_29_to_37_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2023-11-21 21:02:44,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2023-11-21 21:02:44,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2023-11-21 21:02:44,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2023-11-21 21:02:44,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2023-11-21 21:02:44,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2023-11-21 21:02:44,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2023-11-21 21:02:44,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2023-11-21 21:02:44,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2023-11-21 21:02:44,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2023-11-21 21:02:44,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2023-11-21 21:02:44,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2023-11-21 21:02:44,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2023-11-21 21:02:44,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2023-11-21 21:02:44,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2023-11-21 21:02:44,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2023-11-21 21:02:44,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2023-11-21 21:02:44,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2023-11-21 21:02:44,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2023-11-21 21:02:44,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_29_to_37_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2023-11-21 21:02:44,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2023-11-21 21:02:44,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2023-11-21 21:02:44,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2023-11-21 21:02:44,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2023-11-21 21:02:44,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2023-11-21 21:02:44,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2023-11-21 21:02:44,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2023-11-21 21:02:44,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2023-11-21 21:02:44,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2023-11-21 21:02:44,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2023-11-21 21:02:44,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2023-11-21 21:02:44,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2023-11-21 21:02:44,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:44,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:44,261 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 21:02:44,265 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:02:44,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-21 21:02:44,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-21 21:02:44,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-21 21:02:44,285 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-21 21:02:44,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:02:44 BoogieIcfgContainer [2023-11-21 21:02:44,294 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:02:44,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:02:44,295 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:02:44,295 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:02:44,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:43" (3/4) ... [2023-11-21 21:02:44,297 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 21:02:44,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-21 21:02:44,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-21 21:02:44,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-21 21:02:44,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-21 21:02:44,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:02:44,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:02:44,348 INFO L158 Benchmark]: Toolchain (without parser) took 2418.91ms. Allocated memory is still 153.1MB. Free memory was 112.9MB in the beginning and 82.2MB in the end (delta: 30.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-21 21:02:44,349 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:02:44,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.53ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 101.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 21:02:44,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.42ms. Allocated memory is still 153.1MB. Free memory was 101.5MB in the beginning and 99.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:44,350 INFO L158 Benchmark]: Boogie Preprocessor took 100.41ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 97.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:44,351 INFO L158 Benchmark]: RCFGBuilder took 840.95ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 115.8MB in the end (delta: -18.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-21 21:02:44,352 INFO L158 Benchmark]: TraceAbstraction took 966.37ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 84.3MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 21:02:44,353 INFO L158 Benchmark]: Witness Printer took 52.26ms. Allocated memory is still 153.1MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:44,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.53ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 101.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.42ms. Allocated memory is still 153.1MB. Free memory was 101.5MB in the beginning and 99.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.41ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 97.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 840.95ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 115.8MB in the end (delta: -18.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 966.37ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 84.3MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 52.26ms. Allocated memory is still 153.1MB. Free memory was 84.3MB in the beginning and 82.2MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 56]: integer overflow possible integer overflow possible We found a FailurePath: [L77] int z; [L78] int a; [L79] int k; [L80] int x; [L81] int y; [L82] int c; [L83] z = __VERIFIER_nondet_int() [L84] a = __VERIFIER_nondet_int() [L85] k = __VERIFIER_nondet_int() [L86] EXPR \read(a) [L86] x = a [L87] y = 1 [L88] c = 1 [L89] CALL func_to_recursive_line_29_to_37_0(&k, &c, &y, &x, &z, &a) VAL [a={4:0}, c={9:0}, k={5:0}, x={8:0}, y={7:0}, z={6:0}] [L56] EXPR \read(*z) [L56] EXPR \read(*x) VAL [a={4:0}, a={4:0}, c={9:0}, c={9:0}, k={5:0}, k={5:0}, x={8:0}, x={8:0}, y={7:0}, y={7:0}, z={6:0}, z={6:0}] [L56] (*z) * (*x) VAL [a={4:0}, a={4:0}, c={9:0}, c={9:0}, k={5:0}, k={5:0}, x={8:0}, x={8:0}, y={7:0}, y={7:0}, z={6:0}, z={6:0}] - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: 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: 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: 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. - 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. - 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, 80 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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=80occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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! [2023-11-21 21:02:44,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46eb1ee-761e-4cf7-8fd7-7fe88e180cbb/bin/uautomizer-verify-bycVGegfSx/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)