./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme --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 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:06,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:06,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 10:43:06,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:06,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:06,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:06,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:06,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:06,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:06,816 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:06,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:06,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:06,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:06,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:06,819 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:06,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:06,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:06,820 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:43:06,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:06,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:43:06,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:06,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:06,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:06,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:06,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:43:06,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:43:06,830 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:43:06,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:06,831 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:06,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:06,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:06,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:06,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:06,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:06,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:06,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:06,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:06,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:06,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:06,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:06,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:06,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:06,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:06,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:06,837 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_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 [2023-11-26 10:43:07,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:07,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:07,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:07,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:07,143 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:07,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2023-11-26 10:43:10,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:10,633 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:10,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2023-11-26 10:43:10,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/data/94c768af1/ee941804d8734d1099c8f3a4260ac7c0/FLAG180c65f70 [2023-11-26 10:43:10,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/data/94c768af1/ee941804d8734d1099c8f3a4260ac7c0 [2023-11-26 10:43:10,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:10,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:10,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:10,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:10,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:10,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:10,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b7fd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10, skipping insertion in model container [2023-11-26 10:43:10,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:10,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:10,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:10,947 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:10,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:10,986 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:10,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10 WrapperNode [2023-11-26 10:43:10,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:10,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:10,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:10,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:11,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,048 INFO L138 Inliner]: procedures = 16, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-26 10:43:11,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:11,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:11,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:11,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:11,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,088 INFO L175 MemorySlicer]: Split 38 memory accesses to 6 slices as follows [2, 8, 6, 8, 7, 7]. 21 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 3, 2, 1, 2, 1]. [2023-11-26 10:43:11,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:11,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:11,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:11,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:11,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (1/1) ... [2023-11-26 10:43:11,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:11,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:11,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:11,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:43:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:43:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:43:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:43:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:43:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:43:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:43:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:43:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:43:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:43:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:43:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:43:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:43:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_39_0 [2023-11-26 10:43:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_39_0 [2023-11-26 10:43:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:43:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:43:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:43:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:43:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:43:11,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:43:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 10:43:11,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 10:43:11,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:43:11,312 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:11,315 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:11,915 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:11,963 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:11,965 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:43:11,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:11 BoogieIcfgContainer [2023-11-26 10:43:11,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:11,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:11,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:11,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:11,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:10" (1/3) ... [2023-11-26 10:43:11,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486d5819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:11, skipping insertion in model container [2023-11-26 10:43:11,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:10" (2/3) ... [2023-11-26 10:43:11,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486d5819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:11, skipping insertion in model container [2023-11-26 10:43:11,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:11" (3/3) ... [2023-11-26 10:43:11,982 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_bresenham.c [2023-11-26 10:43:12,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:12,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2023-11-26 10:43:12,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:12,067 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;@6431020d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:12,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2023-11-26 10:43:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 71 states have (on average 1.8732394366197183) internal successors, (133), 130 states have internal predecessors, (133), 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) [2023-11-26 10:43:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-26 10:43:12,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:12,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-26 10:43:12,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_27_to_39_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_27_to_39_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 56 more)] === [2023-11-26 10:43:12,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:12,083 INFO L85 PathProgramCache]: Analyzing trace with hash 6289, now seen corresponding path program 1 times [2023-11-26 10:43:12,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:12,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582242993] [2023-11-26 10:43:12,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:12,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:12,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:12,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:12,341 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:43:12,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2023-11-26 10:43:12,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2023-11-26 10:43:12,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2023-11-26 10:43:12,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2023-11-26 10:43:12,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2023-11-26 10:43:12,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2023-11-26 10:43:12,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2023-11-26 10:43:12,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2023-11-26 10:43:12,349 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2023-11-26 10:43:12,350 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2023-11-26 10:43:12,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2023-11-26 10:43:12,351 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2023-11-26 10:43:12,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2023-11-26 10:43:12,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2023-11-26 10:43:12,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2023-11-26 10:43:12,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2023-11-26 10:43:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2023-11-26 10:43:12,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2023-11-26 10:43:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2023-11-26 10:43:12,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2023-11-26 10:43:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2023-11-26 10:43:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2023-11-26 10:43:12,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2023-11-26 10:43:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2023-11-26 10:43:12,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2023-11-26 10:43:12,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2023-11-26 10:43:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2023-11-26 10:43:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err26ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2023-11-26 10:43:12,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err27ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2023-11-26 10:43:12,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err28ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2023-11-26 10:43:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err29ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2023-11-26 10:43:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err30ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2023-11-26 10:43:12,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err31ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2023-11-26 10:43:12,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2023-11-26 10:43:12,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2023-11-26 10:43:12,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2023-11-26 10:43:12,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2023-11-26 10:43:12,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2023-11-26 10:43:12,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2023-11-26 10:43:12,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2023-11-26 10:43:12,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2023-11-26 10:43:12,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2023-11-26 10:43:12,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2023-11-26 10:43:12,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2023-11-26 10:43:12,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2023-11-26 10:43:12,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2023-11-26 10:43:12,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2023-11-26 10:43:12,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2023-11-26 10:43:12,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2023-11-26 10:43:12,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2023-11-26 10:43:12,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2023-11-26 10:43:12,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2023-11-26 10:43:12,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2023-11-26 10:43:12,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2023-11-26 10:43:12,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2023-11-26 10:43:12,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2023-11-26 10:43:12,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2023-11-26 10:43:12,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2023-11-26 10:43:12,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:43:12,390 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-26 10:43:12,395 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:43:12,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-26 10:43:12,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:43:12 BoogieIcfgContainer [2023-11-26 10:43:12,428 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:43:12,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:12,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:12,431 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:12,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:11" (3/4) ... [2023-11-26 10:43:12,433 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-26 10:43:12,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-26 10:43:12,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:43:12,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:12,485 INFO L158 Benchmark]: Toolchain (without parser) took 1814.56ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 64.9MB in the end (delta: 68.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:12,486 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 107.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:12,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.71ms. Allocated memory is still 169.9MB. Free memory was 132.7MB in the beginning and 121.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:43:12,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.10ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 119.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:12,488 INFO L158 Benchmark]: Boogie Preprocessor took 58.81ms. Allocated memory is still 169.9MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:12,488 INFO L158 Benchmark]: RCFGBuilder took 846.07ms. Allocated memory is still 169.9MB. Free memory was 117.4MB in the beginning and 88.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-26 10:43:12,489 INFO L158 Benchmark]: TraceAbstraction took 458.93ms. Allocated memory is still 169.9MB. Free memory was 87.3MB in the beginning and 67.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:43:12,495 INFO L158 Benchmark]: Witness Printer took 53.86ms. Allocated memory is still 169.9MB. Free memory was 67.0MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:12,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 107.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.71ms. Allocated memory is still 169.9MB. Free memory was 132.7MB in the beginning and 121.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.10ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 119.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.81ms. Allocated memory is still 169.9MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 846.07ms. Allocated memory is still 169.9MB. Free memory was 117.4MB in the beginning and 88.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 458.93ms. Allocated memory is still 169.9MB. Free memory was 87.3MB in the beginning and 67.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 53.86ms. Allocated memory is still 169.9MB. Free memory was 67.0MB in the beginning and 64.9MB 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~mem25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 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: 90]: integer overflow possible integer overflow possible We found a FailurePath: [L83] int X; [L84] int Y; [L85] int v; [L86] int x; [L87] int y; [L88] X = __VERIFIER_nondet_int() [L89] Y = __VERIFIER_nondet_int() [L90] EXPR \read(Y) [L90] 2 * Y VAL [X={7:0}, Y={9:0}, v={5:0}, x={6:0}, y={8:0}] - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: 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: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: 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: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: 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, 136 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:43:12,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65bcdb87-5f81-4761-8196-e548d49704a5/bin/uautomizer-verify-VRDe98Ueme/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)